GE GFK0579B User Manual

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GE Fanuc Automation

Programmable Control Products

Series 90t-70 Remote I/O Scanner

User’s Manual

GFK–0579B July 1992

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Warnings, Cautions, and Notes as Used in this Publication

Warning notices are used in this publication to emphasize that hazardous voltages, currents, temperatures, or other conditions that could cause personal injury exist in this equipment or may be associated with its use.

In situations where inattention could cause either personal injury or damage to equipment, a Warning notice is used.

Caution notices are used where equipment might be damaged if care is not taken.

GFL–002

Warning

Caution

Note

Notes merely call attention to information that is especially significant to understanding and operating the equipment.

This document is based on information available at the time of its publication. While efforts have been made to be accurate, the information contained herein does not purport to cover all details or variations in hardware or software, nor to provide for every possible contingency in connection with installation, operation, or maintenance. Features may be described herein which are not present in all hardware and software systems. GE Fanuc Automation assumes no obligation of notice to holders of this document with respect to changes subsequently made.

GE Fanuc Automation makes no representation or warranty, expressed, implied, or statutory with respect to, and assumes no responsibility for the accuracy, completeness, sufficiency, or usefulness of the information contained herein. No warranties of merchantability or fitness for purpose shall apply.

The following are trademarks of GE Fanuc Automation North America, Inc.

Alar m Master CIMST AR Helpmate PROMA CRO Series Six CIMPLICITY GEnet Logicmaster Series One Series 90 CIMPLICITY 90–ADS Genius Modelmaster Series Three VuMaster CIMPLICITY PowerTRA C Genius PowerTRA C ProLoop Series Five Workmaster

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Content of this Manual

This book is a reference to installing, configuring, and using a GE Fanuc Series 90t–70 Remote I/O Scanner (IC697BEM733).

Chapter 1. Introduction: This chapter describes the Remote I/O Scanner and other equipment that may be used with it. It discusses Geniust bus operation as it relates to the Remote I/O Scanner, and describes how the Remote I/O Scanner can be used in redundancy systems. Chapter 1 also describes configurable features of a remote drop, and explains configuration methods.

Chapter 2. Installation: Explains how to properly install the components of a remote drop, including Series 90–70 racks, a Remote I/O Scanner, and other Series 90–70 modules. Chapter 2 also explains how to complete the Genius bus connections and how to connect a programmer to the Remote I/O Scanner.

Chapter 3. Remote I/O Scanner Operation: Describes the memory and operating modes of the Remote I/O Scanner, and explains its operation. This chapter also explains how option modules such as the Programmable Coprocessor Module (PCM) could be used in a remote drop.

Preface

Chapter 4. Configuration with Logicmastert 90–70: Explains configuration steps using Release 4 of the Logicmaster 90–70 configuration software.

Chapter 5. Logicmaster 90 Operation with a Remote Drop: Explains how to set up a Logicmaster 90 programmer to communicate with a remote drop. This chapter also describes functional differences in LM90 when it communicates with a remote drop.

Chapter 6. Remote Drop Configuration with a Hand–held Monitor: Explains how to configure a remote drop using a Genius Hand–held Monitor.

Chapter 7. Monitoring and Controlling Remote Drop Data: Explains how the I/O data for a remote drop can be displayed on a Hand–held Monitor or programmer. Chapter 7 also describes how I/O circuits can be forced, toggled, or overwritten.

Chapter 8. Diagnostics and Fault Clearing: Explains how diagnostic information from a remote drop can be displayed on a Hand–held Monitor or programmer, and how faults can be cleared.

Chapter 9. Remote I/O Scanner Datagrams: Describes datagrams that can be sent to a Remote I/O Scanner. Chapter 9 also shows the format of the Remote I/O Scanner’s Report Fault datagrams.

Appendix A. Estimating the Maximum Number of Remote Drops for a Bus: Shows how to roughly estimate how many remote drops can be on a bus with one Bus Controller, one Hand–held Monitor, no Genius blocks, and no programmed communications.

Appendix B. Finding the I/O Configuration Data Total of a Remote Drop: Gives instructions for finding the amount of configuration data needed for the I/O modules in a remote drop.

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Preface

Appendix C. Logicmaster 90–70, Release 3, Series 90–70 PLC Configuration Instructions: Explains how to complete the PLC portion of the configuration if you are

using Release 3 of the Logicmaster 90–70 software.

Appendix D. Logicmaster 90–70, Release 3, Remote Drop Configuration Instructions:

Explains how to configure a remote drop if you are using Release 3 of the Logicmaster 90–70 software.

Related Publications

For more information, refer to these publications: Genius I/O System User’s Manual (GEK–90486–1). Reference manual for system

designers, programmers, and others involved in integrating Genius I/O products in a PLC or host computer environment. This book provides a system overview, and describes the types of systems that can be created using Genius products. Datagrams, Global Data, and data formats are defined.

Series 90–70 PLC Installation and Operation Manual (GFK–0262). This book describes the modules of a Series 90–70 PLC system, and explains system setup and operation.

Logicmaster 90–70 User’s Manual (GFK–0263). Reference manual for system operators and others using the Logicmaster 90–70 software to program, configure, monitor, or control a Series 90–70 PLC and/or a remote drop.

Logicmaster 90 Software Reference Manual (GFK–0265). Reference manual which describes program str ucture and defines program instructions for the Series 90–70 PLC.

Series Sixt

Controller, which interfaces a Genius bus to a Series Six PLC. This book describes the installation and operation of the Bus Controller. It also contains the programming information needed to interface Genius I/O devices to a Series Six PLC.

Series Five Bus Controller User’s Manual (GFK–0248). Reference manual for the Bus Controller, which interfaces a Genius bus to a Series Five PLC. This book describes the installation and operation of the Bus Controller. It also contains the programming information needed to interface Genius I/O devices to a Series Five PLC.

Genius I/O PCIM User’s Manual (GFK–0074). Reference manual for the PCIM, which interfaces a Genius bus to a suitable host computer. This book describes the installation and operation of the PCIM. It also contains the programming information needed to interface Genius I/O devices to a host computer.

Bus Controller User’s Manual (GFK–0171). Reference manual for the Bus

We Welcome Your Comments and Suggestions

At GE Fanuc automation, we strive to produce quality technical documentation. After you have used this manual, please take a few moments to complete and return the Reader’s Comment Card located on the next page.

Jeanne Grimsby

Senior technical writer

Series 90–70 Genius Bus Controller User’s Manual – July 1992iv

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Contents

Chapter 1 Introduction 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Overview 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Module Description 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Required Equipment 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts of a Remote Drop 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Genius Bus 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Timing 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Redundancy 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Configuration 18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 2 Installation 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Hardware Packaging 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Preinstallation Check 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

System Grounding Procedures 22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rack Installation 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

P ower Supply Installation 26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Module Locations 27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Module Installation and Removal 28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Field Wiring to I/O Modules 29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Multiple Racks in a Remote Drop 31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Genius Bus Connections: Single Bus Cable 32 . . . . . . . . . . . . . . . . . . . . . . . . . . .

Genius Bus Connections: Dual Bus Cables 33 . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Programmer Connection at the Remote I/O Scanner 35 . . . . . . . . . . . . . . . . . . .

Multidrop Connections 38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 3 Remote I/O Scanner Operation 43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Overview 43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

I/O Scan 44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

I/O Scanner Memory 45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Data Transfer with the Host 46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Using Option Modules in a Remote Drop 50 . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 4 Configuration with Logicmaster 90–70 53 . . . . . . . . . . . . . . . . . . . . . . .

Configuration Limits 53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Filenames for Configuration Files 53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Using Release 3 Configuration Files with Release 4 Software 54 . . . . . . . . . . . .

“Attaching” Configuration Files 54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Configuring a Remote Drop 55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Configure the Modules in the Remote Drop 65 . . . . . . . . . . . . . . . . . . . . . . . . . .

Completing the Remote Drop Configuration 68 . . . . . . . . . . . . . . . . . . . . . . . . .

Displaying Configured References 71 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Copying, Deleting, and Undeleting 73 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Selecting an Existing Configuration File 74 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storing the Configuration 75 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

GFK–0579B Series 90–70 Remote I?O Scanner User ’s Manual – July 1992

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Contents

Chapter 5 Logicmaster 90 Operation with a Remote Drop 77 . . . . . . . . . . . . . . . .

Overview 77 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setting Up Programmer Communications with a Remote Drop 78 . . . . . . . . .

Status Display for a Remote Drop 79 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Logicmaster 90 Software,

Programmer Differences for a Remote Drop 80 . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 6 Remote Drop Configuration

with a Hand–held Monitor 83 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Overview 84 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Set Up the Hand–held Monitor 86 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Display the Configuration Main Menu 87 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Select the Device Number 88 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Select a Series Six or Series Five PLC Reference Address 89 . . . . . . . . . . . . . . . .

Select the Baud Rate 90 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Select Series 90–70 Data Lengths 91 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Select the Remote Drop ID 93 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Display I/O Modules in Remote Drop 94 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Select Genius Bus Redundancy 95 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Select BSM Control 95 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Select CPU Redundancy 96 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Select Configuration Protection 97 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 7 Monitoring and Controlling

Remote Drop Data 99 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Overview 99 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Monitoring/Controlling I/O Data:

Genius Hand–held Monitor 102 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Monitoring/Controlling I/O Data:

Logicmaster 90–70 107 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Monitoring/Controlling I/O Data:

Series Six PLC or Series Five PLC 109 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Monitoring/Controlling I/O Data:

Computer 112 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 8 Diagnostics and Fault Clearing 113 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Overview 113 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Display and Clear Faults from a Genius Hand–held Monitor 114 . . . . . . . . . . .

Display and Clear Faults from Logicmaster 90–70 116 . . . . . . . . . . . . . . . . . . . . .

Display and Clear Faults from Logicmaster 5 or Logicmaster 6 121 . . . . . . . . . .

GFK–0579B Series 90–70 Remote I?O Scanner User ’s Manual – July 1992

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Contents

Chapter 9 Remote I/O Scanner Datagrams 123 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Datagram Types 124 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Read Map 125 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Read Map Reply 125 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Write Map 125 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Report Fault Datagram Format 126 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Appendix A Estimating the Number of Remote Drops for a Bus 129 . . . . . . . . . . . . .

Appendix B Finding the I/O Configuration Data Total

for a Remote Drop 131 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Appendix C Logicmaster 90–70, Release 3:

Series 90–70 PLC Configuration

for Remote Drops 133 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Overview 133 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Step 1: Create or Select a PLC Program Folder 134 . . . . . . . . . . . . . . . . . . . . . . . .

Step 2: Add the Remote I/O Scanner to the Genius Bus 134 . . . . . . . . . . . . . . . . .

Step 3: Configure the Remote I/O Scanner 137 . . . . . . . . . . . . . . . . . . . . . . . . . . .

Step 4: Store the Configuration to the PLC 140 . . . . . . . . . . . . . . . . . . . . . . . . . . .

Appendix D Logicmaster 90–70, Release 3:

Remote Drop Configuration Instructions 141 . . . . . . . . . . . . . . . . . .

Overview 141 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Remote Drop Configuration Summary 142 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Step 1: Create a Folder 143 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Step 2: Configure the Remote I/O Scanner 144 . . . . . . . . . . . . . . . . . . . . . . . . . . .

Step 3: Configure the Modules in the Remote Drop 148 . . . . . . . . . . . . . . . . . . . .

Step 4: Store the Configuration to the Remote Drop 150 . . . . . . . . . . . . . . . . . . .

GFK–0579B Series 90–70 Remote I?O Scanner User ’s Manual – July 1992

vii

Page 8

restart lowapp ARestart oddapp: ARestarts for autonumbers that do not restart in

each chapter . figure bi level 1, reset table_big level 1, reset chap_big level 1, reset1 Lowapp Alwbox restart evenap:A1app_big level 1, resetA figure_ap level 1, reset table_ap level 1, reset figure level 1, reset Figure 1. table level 1, reset Table 1. these restarts oddbox reset: 1evenbox reset: 1must be in the header frame of chapter 1. a:ebx, l 1 resetA a:obx:l 1, resetA a:bigbx level 1 resetA a:ftr level 1 resetA c:ebx, l 1 reset1 c:obx:l 1, reset1 c:bigbx level 1 reset1 c:ftr level 1 reset1 Reminders for autonumbers that need to be restarted manually (first instance will always be 4) let_in level 1: A. B. C. letter level 1:A.B.C. num level 1: 1. 2. 3. num_in level 1: 1. 2. 3. rom_in level 1: I. II. III. roman level 1: I. II. III. steps level 1:

1. 2. 3.

Chapter 1 Introduction

section level 1 1

This chapter describes the Series 90t–70 Remote I/O Scanner (IC697BEM733) and other equipment that may be used with it. It discusses Genius bus operation as it relates to the Remote I/O Scanner, and describes how the Remote I/O Scanner can be used in Genius redundancy systems.

Overview

The Remote I/O Scanner is an intelligent module which mounts in a remote Series 90–70 rack, and inter faces Series 90–70 modules to a Genius bus.

figure bi level 1 table_big level 1

The Genius bus connects the Remote I/O Scanner to a Bus Controller in the host PLC or computer. A dditional remote drops, Genius blocks, Bus Controllers, and Hand–held Monitors can be attached to the same bus.

a42453

A N N E R

REMOTE DROP

CPU

BUS

CONTROLLER

COMMUNICATIONS

BUS

I/O BLOCKS

HAND–HELD

MONITOR

The Remote I/O Scanner can send up to 128 bytes of inputs from input boards in its remote drop to the CPU, and can provide up to 128 bytes of outputs from the CPU to output boards in the remote drop. The amount of data transferred is configurable. Individual I/O circuits in the remote drop can be:

Forced and unforced from a Hand–held Monitor or the application program logic.

Overridden from a PLC application program.

Toggled from a Logicmaster 90–70 programmer.

The Remote I/O Scanner can be used in CPU redundancy (dual controller) and bus redundancy (dual bus) systems.

The Host CPU

The Remote I/O Scanner is ideally suited for use in a Series 90–70 PLC system. However, any type of PLC or computer capable of controlling a Genius bus can be used as the host. Suitable hosts include Series Six PLCs, Series Five PLCs, and computers equipped with a PCIM (P ersonal Computer Interface Module), QBIM (Q–Bus Interface Module), or a third–party GENI–based interface.

Page 9

Module Description

The Series 90–70 Remote I/O Scanner consists of a single circuit board, with a hinged door which serves as a faceplate. It occupies one slot in a Series 90–70 I/O rack.

MODULE OK LED

I/O ENABLED LED

BUS B ACTIVE LED

a44761

GENIUS

HAND HELD

MONITOR

CONNECTOR

SERIAL

PORT

RS–422/485

COMPATIBLE

GENIUS

BUS

TERMINALS

MODEL 70

BEM 733

MODULE OK I/O ENABLED BUS B ACTIVE

ON = OK, ACTIVE

MODULE FUNCTION

SERIES 90–70 GENIUS BUS REMOTE I/O SCANNER

GENIUS HAND HELD MONITOR

SERIAL PORT

RS–422/485 COMPA TIBLE

SER1

SER2

SER1A

R E D

SER2A

U N D A

SER1B

N C Y

SER2B

MODULE IC697BEM733 LABEL 44A726758–110R02

SHIELD

OUT

SHIELD

IN A

SHIELD

OUT A

SHIELD

IN B

SHIELD

OUT B

BEM 733

The Remote I/O Scanner does not require batteries; the battery holder in the faceplate is not used.

Series 90–70 Remote I/O Scanner User’s Manual – July 19922

Page 10

LEDs

Module OK

I/O Enabled

Bus B Active

The Remote I/O Scanner has three LEDs that show through the transparent portion at the top of the door.

lights to indicate that the module has passed its powerup diagnostic tests. If this LED flashes, it indicates a problem, as shown in the table below . If this LED is off, there is a fatal error, which causes the Remote I/O Scanner to go to stop/faulted mode.

lights when the Remote I/O Scanner is receiving the expected output data from the CPU. If this LED flashes, it indicates either I/O data is forced, or a Device Number conflict.

if the Remote I/O Scanner is installed on a dual (redundant) bus, this LED lights if Bus B of the dual bus pair is the currently–active bus.

The following table summarizes the LED indications.

Module OK I/O Enabled Meaning

On On Normal operation

Blinking On Fault detected

On Blinking I/O data forced

Alter nate blinking Alternate blinking F ault detected, and I/O data forced

Synchronous blinking Synchronous blinking Device Number conflict

On Off Outputs not being updated from CPU Off Off No power or fatal error

Connectors

The front of the module has three connectors:

9–pin male D Connector: the upper connector. Used for attaching a Genius Hand–held Monitor.

15–pin female D Connector: the center connector. This connector is an RS–422 compatible RS–485 serial port. It can be used for communicating with a programmer equipped with the serial version of Logicmaster 90–70, or for connection to a multidrop communications network.

The connector at the bottom of the module attaches the Genius bus terminal strip. Because the terminal strip is removable, it is possible to service or replace the Remote I/O Scanner while the rest of the system is operating, without disrupting bus communications.

3Chapter 1 Introduction

Page 11

Required Equipment

The following equipment is required to use a Remote I/O Scanner.

At least one Series 90–70 5–slot or 9–slot remote rack with Power Supply. A remote drop may include multiple racks and power supplies.

If a Genius Hand–held Monitor will be used to configure or monitor a remote drop, it must be version 4.0 (IC660HHM501G) or later.

If Logicmaster 90–70 configuration software will be used to configure the remote drop, it must be release 3.0 or later:

A. IC641SWP701F (3.5”, 2DD, 5.25” 2S/HD) B. IC641SWP704C (5.25” 2S/2D)

If the parallel version of Logicmaster 90–70 will be used with a remote drop, the remote drop must include a Bus Transmitter Module (IC697BEM713) for connection to the programmer.

If the remote drop will include more than one rack of modules, a Bus Transmitter Module (IC697BEM713) one or more Bus Receiver Modules (IC697BEM711), and appropriate cables are required.

For a Series 90–70 PLC

The Series 90–70 CPU firmware must be release 2.0 or later.

The Logicmastert 90–70 programming and configuration software must be release 3.0 or later. Catalog numbers are given above.

A Series 90–70 Genius Bus Controller, release 3.0 or later. The Bus Controller must be 4.0 or later for full diagnostics display from Logicmaster 90–70 (see chapter 8), or for redundancy applications.

For a Series Sixt PLC

CPU: rev. 105 or later.

Logicmaster 6 Programming Software: release 4.02 or later.

Bus Controllers: IC660CBB902 or 903, version 1.7 or later.

For a Series Fivet PLC

CPU: rev . 3.2 (catalog number with E suffix) or later.

Logicmaster 5 Programming Software: release 2.01 or later.

Bus Controller: any version

For a Host Computer

PCIM: any version

QBIM: any version

Series 90–70 Remote I/O Scanner User’s Manual – July 19924

Page 12

Parts of a Remote Drop

Together, a Remote I/O Scanner and the modules it serves make up a remote drop on the Genius bus. The remote drop may consist of one to eight Series 90–70 racks.

P S

M N N E R

GENIUS BUS

RACK 0

REMOTE DROP

PSB

RACK 7

RACK 1

UP TO 50 FEET

NOTE:

ALL RACKS MUST BE AT THE SAME GROUND POTENTIAL

PSB

RACK 6

a44875

Multiple R acks

When there are multiple racks, the Remote I/O Scanner must be located in the first rack (rack 0). To link multiple racks in a remote drop, a Bus T ransmitter (IC697BEM713) Module in rack 0 is connected to a Bus Receiver Module (IC697BEM711) in the first expansion rack. Additional racks are also linked via Bus Receiver Modules.

All racks in a remote drop must be at the same ground potential.

Distance Between R acks in a Remote Drop

The maximum total cable length from the first Bus Transmitter to the last Bus Receiver in a remote drop is 50 feet (15 meters). Since none of the daisy–chained signals (all at the same ground potential) are broken at a rack, any rack can be independently powered–down without affecting the operation of the rest of the system.

Data Quantities

Regardless of the number of racks used for a remote drop, the maximum amount of data for a remote drop is 128 bytes of inputs and 128 bytes of outputs (8 discrete points represent one byte and 1 analog channel uses 2 bytes).

5Chapter 1 Introduction

Page 13

Series 90–70 Racks

Any of the following racks can be used in a remote drop:

5–slot, panel mount rack (IC697CHS750).

9–slot, panel mount rack (IC697CHS790).

9–slot, rack mount rack (IC697CHS791).

Each of these racks has an additional, wider slot for a P ower Supply. Rack sizes may be mixed in a system installation to suit the requirements of your application.

The rack–mount Series 90–70 rack has flanges on the front for mounting on 19–inch standard instrument rack hardware. The panel–mount racks have rear flanges for mounting on electrical panels.

WITH OPTIONAL VME J2

BACKPLANE KIT

1.00

(25.4)

CONNECTOR

FOR POWER SUPPLY

SPACER

(QTY.4)

SIDE VIEW

I/O TERMINAL RESTRAINING

STRAP

7.25

(184)

9.14

(232)

CABLE

ENTRANCE

FROM

BOTTOM

REMOVABLE

I/O

TERMINAL

BLOCK

HINGED

DOOR

11.50 (292)

6.75

(172)

(19)

3.00 (76)

1.50 (38)

2.24 (57)

.34

(8.64)

.75

ОООООООООООО

GND

STUD

ОООООООООООО

DIMENSIONS FOR 5 SLOT RACK

12.60

19.00 (320)

(483)

18.11 (460)

FRONT VIEW

11.71 (297)

17.04 (433)

10.64 (270)

.25 DIA. (TYPICAL)

DIMENSIONS IN INCHES, MILLIMETERS ARE IN PARENTHESIS

Series 90–70 racks do not require a fan for cooling as long as sufficient space is left around the rack when it is mounted.

GND

STUD

a42984

Series 90–70 Remote I/O Scanner User’s Manual – July 19926

Page 14

Series 90–70 Power Supplies

These Series 90–70 Power Supplies can be used in a remote drop:

IC697PWR710, 120/240 VAC input, +5 VDC output, 55 Watts (shown below)

IC697PWR711, 120/240 VAC input, +5 VDC, +12 VDC, –12 VDC output, 100 Watts

IC697PWR721, 24VDC input, +5 VDC, +12 VDC, –12 VDC output, 90 Watts

IC697PWR731, 125VDC input, +5 VDC, +12 VDC, –12 VDC output, 60 Watts

a42818

LED

MODEL 70

PWR 710

POWER SUPPLY MODULE

INPUT

OUTPUT

BRANCH CIRCUIT FUSING MUST BE PROVIDED EXTERNALLY

RECOMMENDED TIGHTENING TORQUE 1,5Nm (15kg cm)

OFF

SHORT FOR 120 OPEN FOR 240

120/240VAC 50/60HZ

1.5/0.8A 5V

11A

120

SELECT

INPUT

240

WARNING

EVEN IF THE POWER SUPPLY

IS SWITCHED OFF, HAZARDOUS

VOLTAGES FROM USER FIELD

WIRING MAY STILL BE PRESENT

ON THE I/O TERMINAL BOARDS

AS WELL AS THE POWER

SUPPLY TERMINAL BOARD.

CARE SHOULD BE TAKEN WHEN

HANDLING THE POWER SUPPLY

AND I/O MODULES AS WELL AS

ANY WIRING CONNECTED TO

THEM IN ORDER TO PREVENT

PERSONAL INJURY.

WARNING

DO NOT REMOVE OR INSERT

MODULES WITH POWER APPLIED.

PERSONAL INJURY, SYSTEM

MALFUNCTION AND/OR DAMAGE

TO THE EQUIPMENT MAY OCCUR.

MODULE IC697PWR710 LABEL 44A726758–501

Power supply selection will depend on the input power and load requirements of the application. Load specifications for Series 90–70 modules are listed on page 9.

AC power supplies mount in the leftmost slot of a Series 90–70 rack. DC power supplies can be mounted on the side of the rack or used as freestanding modules. The DC power supplies require a power supply adapter, which installs in the power supply slot and is connected to the power supply by a short cable.

7Chapter 1 Introduction

Page 15

Powering Two Racks from a Single Power Source

Except for the 125VDC supply, each of these power supplies can be used to power two racks if the total current requirement for both racks does not exceed the power supply’s load capacity. The rack that does not contain the Power Supply must not have a load greater than 5.2 amps.

Connection from the rack with the power supply to the second rack is made through a cable (catalog number IC697CBL700) three feet (one meter) in length, which is terminated at both ends with 9–pin D–connectors. This cable car ries both +5 volt power and control signals (power sequencing signals only) to the second rack.

INSTALL CABLE

SO THAT THE

INDICATED END

IS SUPPLYING

POWER

TWO

RACK

POWER

CABLE

123456789

POWER SUPPLY

FACE

PLATE

a42134

FIRST RACK

SECOND

RACK

Series 90–70 Remote I/O Scanner User’s Manual – July 19928

Page 16

Series 90–70 Modules for a Remote Drop

The table below lists modules that can be placed in a remote drop, and gives their catalog numbers, I/O capacities, and loads.

Module Catalog

Number

IC697BEM733 Remote I/O Scanner 0.80 IC697BEM713 Bus T ransmitter Module 1.40 IC697BEM711 Bus Receiver Module 0.80

IC697MDL240 16 120 V A C Isolated, Input, 16 points 0.25 IC697MDL241 16 240 V A C Isolated, Input, 16 points 0.25 IC697MDL250 32 120 VAC Input, 32 point 0.35 IC697MDL650 32 24 VDC Input, 32 point 0.30 IC697MDL651 32 Input module, negative logic, TTL 0.525 IC697MDL652 32 12 VDC Pos/Neg Logic Input, 32 points 0.30 IC697MDL653 32 24 VDC Pos/Neg Logic Input, 32 points 0.30 IC697MDL654 32 48 VDC Pos/Neg Logic Input, 32 points 0.30 IC697MDL340 16 120 VAC Output, 16 point 0.25 IC697MDL341 16 120/240 V A C Isolated 2A Output, 16 points 0.25 IC697MDL350 32 120 VAC Output, 32 point 0.50 IC697MDL740 16 24/48 VDC Output, 16 point 0.25 IC697MDL750 32 24/48 VDC Output, 32 point 0.15 IC697MDL752 32 12 VDC 0.5A Output, 32 points 0.50 IC697MDL753 32 5/48 VDC 0.5A Neg Logic Output, 32 points 0.50 IC697MDL940 16 Relay Output 16 points 0.75

IC697ALG230 8 Analog Input Base Converter 0.80 IC697ALG440 16 Analog Input Current Expander 0.40 IC697ALG441 16 Analog Input Voltage Expander 0.40 IC697ALG320 4 High Level Analog Output, V oltage/Current 1.66

I/O Points

Channels

Module Description

Discrete Modules

Analog Modules

Load in

Amps at

+5 VDC

Option Modules

IC697PCM711 Programmable Coprocessor Module 1.00 IC697GDC701 Graphics Display Coprocessor Module 1.20 IC697ADC701 Alphanumeric Display Coprocessor Module 1.00

Remote Drop Capacity

The maximum number of I/O and option modules that can be installed in a remote drop is 63, which requires eight 9–slot racks. There are two limits that cannot be exceeded when locating modules in a remote drop:

There must not be too many option modules in a remote drop. See “Option Modules”, below .

The configuration data for all the I/O modules in a remote drop must not add up to more than 4500 bytes. This amount of configuration data will not be reached in any remote drop where all I/O modules are included in the Remote I/O Scanner’s configured I/O map. However, it is possible to have I/O modules in a remote drop configured to use references outside the I/O map, as explained in chapter 3. If the drop will have some modules configured outside the Remote I/O Scanner’s I/O map, refer to appendix B.

9Chapter 1 Introduction

Page 17

Analog Modules: The maximum number of analog input modules that can provide input data to the host is 8; however, there may be additional modules in the remote drop configured outside the Remote I/O Scanner’s I/O map. The maximum number of analog input modules that can be configured for a remote drop is 29. Similarly, while the maximum number of analog output modules that can receive output data from the host is 16, as many as 54 can be configured for a remote drop.

Option Modules: A remote drop with seven or fewer racks can contain up to 18 GDS (Graphics Display Coprocessor), or ADS (Alphanumeric Display Coprocessor) modules, or up to 9 PCM (Programmable Coprocessor) modules with daughterboards. Each PCM/daughterboard combination counts as two option modules against the total of 18. The following table shows how many GDS and/or ADS modules can be used with 0 to 9 PCMs.

Total Option Modules in a Remote Drop

Number of PCMs and

Daughterboards

0 18 1 16 2 14 3 12 4 10 5 8 6 6 7 4 8 2 9 0

Number of GDS and/

or ADS Modules

If there are 8 racks in the remote drop, one less PCM with daughterboard, or two less GDS or ADS modules are permitted.

Analog Expanders: A remote drop can accommodate up to one analog input module with eight expander modules. However, the maximum number of expanders that can pass inputs to the CPU is three, due to the Remote I/O Scanner’s 128–byte input data limit. If an analog module and three expanders were used, no additional input modules (either analog or discrete) could communicate with the host from the remote drop.

Modules Not Supported: A remote drop cannot have any I/O module interrupts, or bus controllers or other modules that depend on COMREQ instructions for their operations.

Third–party VME modules cannot be used in a remote drop.

Series 90–70 Remote I/O Scanner User’s Manual – July 199210

Page 18

Genius Bus

The Genius bus is an industrially–hardened Local–Area–Network (LAN). It passes I/O (control) data and background information (datagrams) between the Remote I/O Scanner and a Genius bus controller. The communicated data is protected from environmental interference and corruption in several ways. Each byte is triply–encoded during transmission, and each message is checksummed with a cyclic redundancy check (CRC). Embedded intelligence at either end also checks for correct message length and type.

A Genius bus can support up to 32 devices. Each remote drop counts as one device on the bus, regardless of the number or type of modules it includes. A bus can serve any mix of remote drops, I/O blocks, Bus Controllers and Hand–held Monitors, provided the bus scan time does not exceed 400mS. Typical busses reserve one location for a Bus Controller and one for a Hand–held Monitor, leaving 30 for additional devices. The illustration below shows a Bus Controller in a Series 90–70 PLC connected to a Genius bus with I/O blocks and two single–rack remote drops.

PSC

P U

Bus Type

Bus Termination Baud Rate

7500 FEET WITH 16 DEVICES, AT 38.6K BAUD

B C

3500 FEET WITH 32 DEVICES, AT 153.6K BAUD EXT.

MAXIMUM BUS LENGTH

90–70 REMOTE RACK

O N N E R

90–70 REMOTE RACK

O N N E R

a44669

Daisy–chained bus cable; single twisted pair plus shield or Twinax. Fiber optics cable and modems can also be used.

75, 100, 120, or 150 ohm resistor at both ends of electrical bus cable. Configurable. 153.6 Kbaud standard, 153.6 Kbaud extended,

76.8Kbaud, or 38.4 Kbaud.

Maximum Bus Length

Maximum Number of Devices

7500 feet at 38.4 Kbaud, 4500 feet at 76.8 Kbaud, 3500feet at 153.6 Kbaud extended, 2000 feet at 153.6 Kbaud, standard. Maximum length at each baud rate also depends on cable type. The Genius I/O System User’s Manual pro vides a complete list of cable types, showing corresponding bus lengths and baud rates. Greater bus lengths are possible using sections of fiber optics cable with modems.

32 devices at 153.6 Kbaud standard, 153.6 Kbaud extended, or 76.8 Kbaud. 16 devices at 38.4 Kbaud. Includes Bus Controller and Hand– held Monitor.

11Chapter 1 Introduction

Page 19

Total Amount of Input and

Total Amount of Input and Output Data for

Timing

A fully–loaded (128 input bytes and 128 output bytes) remote drop adds at least 20mS to the bus scan. The table below shows the bus scan time contribution, at each baud rate, for remote drops with a total of 16, 32, 64, 128, and 256 bytes (fully–loaded), when the Remote I/O Scanner receives outputs from only one bus controller at a time.

Contribution time in mS at each baud rate *

Remote Drop

16 bytes 2.09 2.16 3.83 7.16 32 bytes 3.24 3.31 6.12 11.74 64 bytes 5.52 5.60 10.69 20.89 128 bytes 10.10 10.17 19.85 39.20 256 bytes (fully–loaded) 19.25 19.32 38.15 75.80

* See below to calculate the exact scan time contribution for the application.

153.6 Kb std

153.6 Kb ext

76.8 Kb 38.4 Kb

Estimating Bus Scan Time for Remote I/O Drops

The scan time contribution for a remote drop depends on its I/O data usage. Follow the procedure below to estimate the the scan time contribution of a remote drop. (Each analog channels is 2 bytes. Eight discrete points are one byte).

1. Find the total number of input bytes and output bytes. number of input bytes = ________

number of output bytes = ________ total bytes = ________

2. With this total, calculate a scan time contribution using the formula below that

corresponds to the Genius bus baud rate.

Formula for 153.6 Kbaud Standar d:

0.943mS + (0.0715 x total bytes) = ________ mS

Formula for 153.6 Kbaud Extended:

1.015mS + (0.0715 x total bytes) = ________ mS

Formula for 76.8 Kbaud:

1.538mS + (0.143 x total bytes) = ________ mS

Formula for 38.4 Kbaud:

2.583mS + (0.286 x total bytes) = ________ mS

Other devices on the bus, including the Bus Controller, Hand–held Monitor, and I/O blocks also add to the bus scan time. The Genius I/O System Manual (Volume 1) shows how to calculate bus scan time based on the devices actually present.

Series 90–70 Remote I/O Scanner User’s Manual – July 199212

Page 20

Number of R emote Drops on a Bus

The number of remote drops on a bus depends on the baud rate and the total number of I/O points in the remote drops.

Since the maximum Genius bus scan time is 400mS, and the bus scan time contribution of one fully–loaded remote drop is 20mS, only twenty fully–loaded remote drops are supported on a single bus that operates at 153.6 Kbaud. If remote drops are not fully–loaded, more may be used on a bus operating at these baud rates.

If some remote drops are not fully–loaded, more than the maximum number given below can be used. The table in appendix A will help you estimate the total number of remote drops and data bytes that can be accommodated on a bus that has one Bus Controller, one Genius Hand–held Monitor, no datagrams or Global Data communications, and no Genius I/O blocks. The Genius I/O System User’s Manual explains how to calculate the bus scan time for a specific bus.

Maximum Number of Drops per Baud Rate

153.6K baud extended: Up to 20 fully–loaded drops, or up to 30 drops with the total

number of I/O bytes less than the limits listed in the table.

153.6K baud standard: Up to 20 fully–loaded drops, or up to 30 drops with the total

number of I/O bytes less than the limits listed in the table.

76.8K baud: Up to 10 fully–loaded drops, or up to 30 drops with the total number of

I/O bytes less than the limits listed in the table.

38.4K baud: Up to 5 fully–loaded drops, or up to 14 drops with the total number of

I/O bytes less than the limits listed in the table.

13Chapter 1 Introduction

Page 21

Redundancy

The Remote I/O Scanner can be used with CPU redundancy, bus redundancy, or both. The suitability of redundancy features for any system depends on the requirements of the application. For Series 90–70 PLC CPUs that are release 3 and earlier, some types of redundancy are not supported.

CPU Redundancy

Genius devices are considered to be controlled by the Bus Controller that sends them outputs. In CPU redundancy, two Bus Controllers on the same bus can send control outputs at the same time. The Bus Controllers must use Device Numbers 30 and 31.

BUS

CONTROLLER

(DEVICE 30)

BUS

CONTROLLER

(DEVICE 31)

A N N E R

REMOTE DROP

a44876

Both Bus Controllers automatically receive inputs and fault reports from all devices on the bus that have been configured as being in “CPU Redundancy“ mode.

How the two sets of outputs are handled by devices that receive them depends on whether the devices are set up for Hot Standby or Duplex redundancy. Both are explained below . If the remote drop contains any analog modules, the only form of CPU

redundancy permitted is Hot Standby .

Hot Standby CPU Redundancy

A device configured to be in Hot Standby redundancy mode is normally controlled by the Bus Controller assigned to Device Number 31. If no outputs are available from that Bus Controller for a period of three bus scans, the device accepts outputs from the Bus Controller assigned to Device Number 30. If outputs are not available from either Bus Controller, outputs go to their configured defaults or hold their last state. In Hot Standby redundancy, Device Number 31 always has priority, so that when that Bus Controller is on–line, it has control of the outputs.

Duplex CPU Redundancy

A device configured to be in Duplex redundancy mode compares the outputs it receives from the two bus controllers, to determine whether they match. If corresponding outputs are the same, the device sets the output to that state. If corresponding outputs are not the same, the device sets the output to its configured ON or OFF Duplex Default State. If either Bus Controller stops sending outputs to a device, its outputs are directly controlled by the remaining device. Only discrete devices

can operate in Duplex redundancy mode; do not use Duplex mode if the analog drop contains any analog modules.

Series 90–70 Remote I/O Scanner User’s Manual – July 199214

Page 22

Genius Bus Redundancy

In Genius bus redundancy, there are two bus cables each connected to a Bus Controller. The device communicates on only one bus at a time. Before the alternate bus can be use for communications, a bus switchover must occur and the device must “log in“ with the Bus Controller(s) on the alternate bus. Bus switching can be handled by a Bus Switching Module attached to a Genius block, or by a Remote I/O Scanner (IC697BEM733 rev. B or later) which contains a built–in bus switching relay. Bus Switching Modules and Remote I/O Scanners are the only devices that can be directly connected to redundant bus cables.

Bus Stubs Connect Other Devices to a Dual Bus

Other Genius devices, such as I/O blocks and additional Remote I/O Scanners, can be interfaced to a dual bus by short lengths of unterminated cable called a bus stubs. Typical arrangements are shown on the following pages. Up to seven devices can be installed on a bus stub (plus the device that is connected to the dual bus). Each device on a bus stub counts toward the total of 32 devices on the Genius bus.

The total length of all bus stubs on a bus should be 100 feet or less. Within each 20% section of the actual bus length, the total maximum stub length is 20 feet. This can be divided into shorter stubs, provided that the total length in each 20% of the bus is 20 ft. or less.

a44976

20% 20% 20% 20% 20%

10’ 10’

20’

COMBINED = 100 FEET MAXIMUM

= REMOTE I/O SCANNER OR BUS SWITCHING MODULE

20’

For example, for a trunk cable 3000 ft. long, 20% of the trunk cable length is 600 ft. Therefore, 20 ft. of bus stub cable can be located within any 600 ft. section of the bus. There might be two 10 ft. stubs with up to 8 devices each, or four 5 ft. stubs, with fewer devices on each.

15Chapter 1 Introduction

Page 23

Redundant Bus Configuations

Many different redundant bus configurations are possible. Three basic ways of using a Remote I/O Scanner with a redundant bus are described below.

A Remote I/O Scanner can be installed directly on both cables of the dual bus pair. The Remote I/O Scanner is configured to operate as a bus switching device in

addition to performing its normal remote drop functions. Here, two single–rack remote drops are installed on a dual bus. The Remote I/O

Scanner in each remote drop would be set up as a bus switching device.

a44974

BUS A

BUS B

RACK 0

C A N N E R

P S

RACK 0

S C A N N E R

A bus stub may be connected to a Remote I/O Scanner that is configured as a bus switching device, allowing up to seven additional devices to utilize its bus switching action. Devices on a bus stub are independent Genius devices. When bus switching is controlled by a Remote I/O Scanner , as shown below, the devices on the bus stub are not part of the remote drop. Their data does not count toward the remote drop’s data total.

a44878 RACK 0 RACK 0

BUS A

A N N

E R

C A N N E R

BUS B

BUS

STUB

UP TO 7 ADDITIONAL DEVICES

Series 90–70 Remote I/O Scanner User’s Manual – July 199216

Page 24

A Remote I/O Scanner can be located on a bus stub. The bus switching device to which the bus stub is connected can be another Remote I/O Scanner, as shown below, or a Genius block with a Bus Switching Module attached.

In this example, there are two remote drops installed directly on a dual bus. A third remote drop and some Genius blocks are installed on a bus stub connected to one of the Remote I/O Scanners. That Remote I/O Scanner acts as the bus switching device. A remote drop on a bus stub can accommodate up to 128 bytes of inputs and 128 bytes of outputs, and may include expansion racks.

RACK 0

C A N N E R

BUS A

BUS B

BUS

STUB

Finally, a remote drop can be located on just one bus of a redundant bus pair, if

RACK 0

S C A N N E R

P S

RACK 0

S C A N N E R

a44880

bus redundancy is not needed for the modules in that remote drop. In this example, the remote drop on the right is connected to both Bus A and Bus

B; the remote drop on the left, which contains non–critical I/O modules, is connected to Bus A only.

RACK 0

a44877

BUS A

BUS B

C A N N E R

17Chapter 1 Introduction

Page 25

Configuration

A remote drop can be fully configured using Logicmaster 90–70, or automatically configured using a Genius Hand–held Monitor. Differences between the two methods are explained below. Optionally, a previously–configured remote drop can be reconfigured using datagrams.

Remote Drop Configuration with Logicmaster 90–70

Logicmaster 90–70, release 3.0 or later can be used to configure a remote drop for any type of host. Either serial or parallel Logicmaster can be used. For serial Logicmaster, the connection to the remote drop can be direct, or via a multidrop network. Direct

connection or a Hand–held Monitor is needed to configure the SNP ID of the remote drop, before multidrop communications with it are possible.

Logicmaster 90–70 release 4.01 or later, which provides reference checking through the use of a common folder, is preferred for configuring a Series 90–70 PLC with remote drops. Chapter 4 explains how to configure a remote drop using Logicmaster 90–70 software which is Release 4 or later.

Appendixes C and D give instructions for configuration using Release 3 Logicmaster 90–70 software.

Remote Drop Configuration with a Genius Hand–held Monitor

A Genius Hand–held Monitor , version 4.0 (IC660HHM501G) or later, can be used to configure a remote drop that does not include Analog Expander modules. If Analog Expanders are present, Logicmaster 90 must be used for configuration.

The I/O modules in the remote drop cannot be individually configured with a Hand–held Monitor; they will operate in default mode. HHM configuration instructions are given in chapter 6.

Configuring a Remote Drop using Datagrams

The configuration of a remote drop can be completed or changed by sending it datagrams, as shown in the table on the following page. The Write Map datagram will supply Series 90–70 data types and lengths, and a Series 90–70 SNP ID for the remote drop.

Series 90–70 Remote I/O Scanner User’s Manual – July 199218

Page 26

Configurable Features

The following table summarizes configuration options for a remote drop, and compares them to the PLC configuration required with a remote drop. The remote drop can be configured, or reconfigured, using Logicmaster 90–70 or a Genius Hand–held Monitor, or datagrams. If the configuration is not protected, as explained on the next page, a reconfiguration will replace part or all of an existing configuration, regardless of the configuration method originally used.

Remote Drop Configuration

Configuration Item

Logicmaster

90–70

Hand–held

Monitor

Datagrams

Device Number (SBA) Series 90–70 References Data Lengths Series Six/Series Five References • Baud Rate

Bus Controller Options:

Input Default Outputs Enabled

I/O Module Options:

Input Filter Time Outputs Default V oltage/Current Range Analog Expander Modules PCM*, GDS*, ADS*

Genius Options:

BSM Controller * BSM Present * Timeout Select * CPU Redundancy * Duple x Default * Configuration Protection

SNP P ort Options:

SNP ID W rite Map Baud Rate Stop Bits Modem TT Idle Time

n[ n

n[ n n[ n

n n

n n n n n

n n n n n n n n n n

] n

n n n n n

W rite Map W rite Map

Remote I/O Scanner Sweep Control:

Programmer Window Communications Window

[

with release 3 software, PLC configuration must match the remote drop configuration.

• Only for a new Remote I/O Scanner , for which no Series Six/Series Five reference has been entered. * Not approved for use with Remote I/O Scanner version IC697BEM733A;

upgrade to IC697BEM733B or later .

]

Automatically supplied.

n n n n

19Chapter 1 Introduction

Page 27

Configuration Protection

After configuring a Remote Drop, it is important to prevent inadvertent change while the system is in operation. For this reason, Logicmaster 90–70 automatically protects any configuration you download to a Remote I/O Scanner.

A configuration done with a Hand–held Monitor should be protected as described in chapter 6.

Any Hand–held Monitor used with the system while it is operating should be set up to prevent undesirable configuration changes:

Protect These Remote Drop Fea -

tures

Device Number (SBA) Change Block ID Disabled Reference Address Data Lengths (%I, %Q, %AI, %AQ) Remote Drop ID Module Options: Output Defaults

Input Filter T ime V oltage Range Baud Rate Change Block Baud Disabled Configuration Protection

Redundancy Options *

By Setting this HHM Option

Change Block Config Disabled

* Not available with Remote I/O Scanner version IC697BEM733A.

To prevent access to restricted HHM configuration options, remove the HHM key.

Caution

If configuration protection is removed from the Remote I/O Scanner and the Hand–held Monitor’s Change Block ID option is ENABLED, the HHM’s automatic configuration capability can overwrite any existing I/O configuration, including one created using Logicmaster 90–70, or downloaded using a Write Map datagram.

This automatic reconfiguration will also set any module options (see the table above) back to their defaults.

Series 90–70 Remote I/O Scanner User’s Manual – July 199220

Page 28

Chapter 2 Installation

section level 1 1

This chapter describes procedures for installing the racks and modules in a remote drop, grounding equipment, connecting the Genius bus, completing SNP connections, and attaching a programmer.

Hardware Packaging

Each Series 90–70 rack is shipped in its own carton, without a power supply. The power supply and all of the Series 90–70 modules are shipped in individual boxes. When multiple modules are included in one shipment, individual module boxes are packaged either two, five or ten boxes to a carton.

Verify that all components of the system have been received and that they agree with your order. If the items received do not agree with your order, call Programmable Control Customer Service, toll free, in Charlottesville, V A at 1–800–432–7521. A Customer Service representative will assist you.

figure bi level 1 table_big level 1

Preinstallation Check

Carefully inspect all shipping containers for damage during shipping. If any part of the system is damaged, notify the carrier immediately. The damaged shipping container should be saved as evidence for inspection by the carrier.

As the consignee, it is your responsibility to register a claim with the carrier for damage incurred during shipment. However , GE F anuc will fully cooperate with you, should such action be necessary.

After unpacking the Series 90–70 PLC racks, modules, and other equipment, record all serial numbers. Serial numbers are required if you should need to contact Product Service during the warranty period of the equipment. Complete all software product registration cards, and return them to to GE Fanuc.

All shipping containers and all packing material be saved should it be necessary to transport or ship any part of the system.

Page 29

System Grounding Procedures

All components of a control system and the devices it is controlling must be properly grounded.

Ground conductors should be connected in a tree fashion with branches routed to a central earth ground point. This ensures that no ground conductor carries current from any other branch. This method is shown in the figure shown below.

Ground conductors should be as short and as large in size as possible. Braided straps or ground cables (typically green insulation with a yellow tracer – AWG #12 or larger) can be used to minimize resistance. Conductors must always be large enough to carry the maximum short circuit current of the path being considered.

SERIES 90–70

PLC CABINET

PROGRAMMING

DEVICE

RACK

MOTOR DRIVES

AND

OTHER

ELECTRICAL

CONTROL

EQUIPMENT

a42942

MACHINERY

EARTH

GROUND

CENTRAL

GROUND POINT

NOTE

SIGNAL AND POWER

CONNECTIONS

NOT SHOWN

Series 90–70 Remote I/O Scanner User’s Manual – July 199222

Page 30

Rack Installation

Install the rack(s) in the orientation shown below. The illustration shows a 9–slot rack, but a 5–slot rack could be used.

Series 90–70 PLC racks may be rack or panel mounted, depending on version ordered. Rack dimensions for installation purposes are shown below.

The Series 90–70 rack does not require a fan as long as sufficient space is left around the rack for cooling airflow .

WITH OPTIONAL VME J2

BACKPLANE KIT

1.00

(25.4)

SPACER

(QTY.4)

9.14 (232)

7.25

(184)

CONNECTOR

FOR POWER SUPPLY

SIDE VIEW

I/O TERMINAL

RESTRAINING

STRAP

DIMENSIONS FOR 5 SLOT RACK

CABLE

ENTRANCE

FROM

BOTTOM

REMOVABLE

I/O

TERMINAL

BLOCK

HINGED

DOOR

DIMENSIONS IN INCHES, MILLIMETERS ARE IN PARENTHESIS

12.60

6.75

(172)

2.24 (57)

6.00

(152.4)

.45 (11)

.75 (19)

GROUND

STUD

SUPPLY

19.00 (483)

123456789POWER

(320)

18.11 (460)

11.71 (297)

17.04 (433)

FRONT VIEW

ALLOW SUFFICIENT HORIZONTAL CLEARANCE FOR ACCESS TO GROUND STUDS

AT EACH END OF THE RACK. IF THE EXTENSION CABLE IS USED, ALLOW APPROXIMATELY 6 INCH HORIZONTAL

CLEARANCE ON THE LEFT SIDE OF THE RACK FOR ACCESS TO THE CONNECTOR. ALLOWANCE FOR COOLING ( If REQUIRED FOR ADDITIONAL COOLING, RACK FAN

***

ASSEMBLY (IC697ACC721 IS AVAILABLE. )

10.64 (264)

GROUND

STUD

.25 DIA.

(TYPICAL)

10.47 (266)

a42139

6.00

***

(152.4)

11.50 (292)

6.00

***

(152.4)

23Chapter 2 Installation

Page 31

Rack Grounding

Complete safety and reference ground connections from the GND terminal on the rack to earth ground using minimum AWG #12 wire and a ring terminal. Use of a nut and star washer for each wire on the GND lug is recommended to ensure adequate grounding.

Warning

If the ground lug on the rack is not connected, the rack is not grounded. The rack must be grounded to minimize electrical shock hazard which may result in severe personal injury or may be fatal.

All racks that are grouped together MUST have a common ground connection. This is especially important for racks which are not mounted in the same cabinet.

Connect the rack frame directly to the control panel or rack on which it is mounted. Attach a ground strap from one of the ground lugs on either side of the rack to the control panel or cabinet following applicable electrical safety codes.

Use the bottom rail of the rack for module shield grounding. Some modules have a ground clip that contacts the conductive bottom rail when the module is fully inserted. Shield connections in the user connector are routed to this ground clip through conductors on the module.

Rack Number Selection

Before installing the power supply or power supply adapter in the rack, set the rack–number jumpers. Each rack in a remote drop must have a rack number between 0 and 7. Rack number 0 must always be present; in the remote drop, it is the rack that contains the Remote I/O Scanner.

To select a rack number, move jumpers X1, X2, and X4 so that the sum of the numbers in the 1 (right) position equals the desired rack number. Jumper X8 must always be in the 0 (left) position. The jumper plug connects the middle post under the 1 or 0 column as shown in the following example, which shows jumper positions for rack 2.

a42823

RACK NUMBER =2

Series 90–70 Remote I/O Scanner User’s Manual – July 199224

Page 32

Do not confuse this rack number with the Device Number used by a Remote I/O Scanner. Rack number refers to a rack’s position within a remote drop. A Device Number is a Remote I/O Scanner’s assigned ID on the Genius bus. These two numbers are not related. The following example shows rack numbering for three remote drops. The Remote I/O Scanners for those remote drops are configured to use Device Numbers 7, 8, and 9.

Do not select duplicate rack numbers in the same remote drop. After selecting the rack number, record it on the inside of the Power Supply hinged door.

DEVICE

GENIUS

BUS

DEVICE

GENIUS

BUS

DEVICE

GENIUS

BUS

a44879 RACK 3

PSB

RACK 1

R M

RACK 0

M N N E R

PSB

RACK 2

PSB R M

R M

RACK CONNECTION CABLE

RACK 0

C A N N E R

PSB

RACK 1

R M

RACK 0

M N N E R

PSB

RACK 2

R M

RACK CONNECTION CABLE

25Chapter 2 Installation

Page 33

Power Supply Installation

After setting the rack number selection jumpers, install the power supply as instructed in its datasheet. An AC power supply installs directly in the leftmost slot of the rack. For DC power supplies, a Power Supply Adapter installs in the leftmost slot. The DC power supply itself can either be installed on the side of the rack or used as a freestanding module up to 20 inches from the adapter module.

Power Supply Switch

On an AC power supply, the switch on the front of the power supply controls power to the rack. With the switch in the up (ON) position, the power supply is on and power flows to the rack. With the switch down (OFF), power is disconnected from the rack.

With a DC power supply, an external switch must be installed to control input power.

Power must be off when installing or removing modules.

Caution

Power Supplied to Two Racks

The 120/240VAC 55–Watt, 24VDC 90–Watt, and 120/240VAC 100–Watt power supplies can be used to supply power to two racks. The 125VDC, 60–Watt supply cannot provide power for two racks.

Connect the rack with the power supply to the second rack using the two–rack power extension cable (catalog number IC697CBL700). Plug the cable into the connectors on the left side of each rack. When using a DC power supply mounted on the side of the rack, the power extension cable must be installed first; the DC power supply will block access to the connector on the side of the rack.

Maximum cable length between two racks that share a power supply is 3 feet (1 meter).

INSTALL CABLE

SO THAT THE

INDICATED END

IS SUPPLYING

POWER

TWO

RACK

POWER

CABLE

123456789

POWER

SUPPLY

FACE

PLATE

a42134

FIRST

RACK

SECOND

RACK

Series 90–70 Remote I/O Scanner User’s Manual – July 199226

Page 34

Module Locations

Follow the guidelines below when planning module locations in a remote drop.

Remote I/O Scanner

Locate the Remote I/O Scanner in rack 0, slot 1, next to the power supply .

Bus Transmitter Module

A Bus Transmitter Module (BTM) can be located in any slot of rack 0; however, there must be no empty slots between the Bus Transmitter and the Remote I/O Scanner. It is recommended that the Bus T ransmitter be located in slot 2, next to the Remote I/O Scanner.

Bus Receiver Module

In a multiple–rack remote drop, locate a Bus Receiver Module (BRM) in slot 1 of each expansion rack, next to the power supply slot.

I/O and Option Modules

Generally , I/O and option modules can be installed in any slot. Some exceptions are noted below.

Analog Expanders

A high–level analog input module and its associated expander modules must be installed in the same rack of a remote drop. Locate the high–level analog input module in the lowest slot position of the group. Locate the expander modules to its right. A second high–level analog input module cannot be located between a high–level analog module and its expander modules. It must either be placed to the left of the first analog module, or to the right of the last expander module.

Analog output modules, discrete I/O modules, and/or special–function modules may be located between the analog input module and any of its expander modules.

Empty Slots in the Rack

Empty slots are permitted between modules, with two exceptions: A. There can be no empty slots to the left of a Bus Transmitter, analog, PCM, GDS, or

ADS module.

B. If, in the future, modules will be placed in the empty slots and a Hand–held

Monitor will be used to automatically reconfigure the remote drop, locate empty slots to the right in the rack. Otherwise, automatic reconfiguration will change the I/O references assigned to the boards already there.

P S

REMOTE DROP

I/I

SCI A

N N E R

OOOOO

I/I

a44753

EMPTY

27Chapter 2 Installation

Page 35

Module Installation and Removal

Always be careful working near the power supply and the wiring to I/O boards in the rack. Be sure a protective faceplate cover is installed on each board. Voltages present on I/O wiring and power supply could cause severe or fatal injury to personnel.

Do not insert or remove a module when power is applied to the rack. This could cause the system to stop. Use care when inserting or removing a module so that the printed circuit board or its components are not damaged.

Warning

Caution

Installing a Module

Install each module with its component side to the right. The LEDs will be at the top front.

1. Be sure the rack in which the module is to be inserted is powered–down.

2. Grasp the module firmly with your hand and insert it into the card guide.

3. Align the module’s printed circuit board with the connector on the rack backplane and slide it towards the connector until it has started to seat.

4. Place one thumb on the left side of the top plastic flange and the other thumb on the left side of the bottom plastic flange. Push the board into the connector until the top and bottom latches click onto the rack rails.

5. Visually inspect the board to be sure it has seated properly.

6. If the rack is in a high–vibration area, use screws to secure the module in the rack.

Removing a Module

1. Be sure the rack is powered–down.

2. Grasp the module firmly at the top and bottom of the board cover with your thumbs on the front of the cover and your fingers on the plastic clips on the back of the cover.

3. Squeeze the rack clips on the back of the cover with your fingers to disengage the clip from the rack rail and pull the board firmly to remove it from the backplane connector.

4. Slide the printed circuit board along the card guide and remove it from the rack.

Series 90–70 Remote I/O Scanner User’s Manual – July 199228

Page 36

Field Wiring to I/O Modules

Basic procedures for completing module wiring are given on the next page. For additional information about installing a specific module, please read the module datasheet.

JACKSCREW JACKSCREW

TERMINAL

BOARD

CORD

TIE

CORD

TIE

CLEAT

STRAP

HINGED

DOOR

CORD

TIE

STRAP

CORD

TIE

CLEAT

STRAP

CLEAT

a43855

29Chapter 2 Installation

Page 37

1. Open the hinged door on the module to access the jackscrew which holds the terminal board securely in place. Remove the terminal board by turning the jackscrew counter–clockwise until it is fully disengaged.

2. Remove the terminal board by grasping the top and swinging it outward.

JACKSCREW

DO NOT

PULL

ON DOOR

a43747

WIRE BUNDLE CABLE TIE CLEAT

Caution

Do not use the hinged door to remove the terminal board. The hinged door could be damaged if this is done.

3. Referring to the wiring information on the module door, complete the field wiring. Use AWG #22 (0.324 mm) through AWG #14 (2.08 mm) wire. When using AWG #14 wire and wiring all points, do not exceed a maximum insulation diameter of .135 inch. To ensure proper connection, two wires may be ter minated on any one terminal only if both wires are the same size.

4. After completing connections to all modules in a rack, secure the wire bundle. Wrap a cable tie around the wire bundle and secure it tightly through the cable tie cleat at the lower right corner of the terminal board. For large wire bundles, use additional cable ties.

5. Record circuit wiring identification on the door label. Insert the label in the door’s slot (crease the scored edge of the label if necessary).

6. Fasten the terminal board to the rack securely . Insert the terminal board strap into the small rectangular slots in the bottom card guide grill on the rack.

7. Leave a ventilation space of at least 6 inches above and below the rack grill. Do not obstruct the grill with wire bundles.

Warning

Ensure that the protective cover is installed over all terminal boards. The cover protects against accidental shock hazard which could cause severe or fatal injury to the operator or maintenance personnel.

Series 90–70 Remote I/O Scanner User’s Manual – July 199230

Page 38

Multiple Racks in a Remote Drop

If the remote drop has more than one rack, rack 0 must contain a Bus Transmitter Module. The Bus T ransmitter should be installed in slot 2, ne xt to the Remote I/O Scanner. Using the appropriate cable (see the table below), attach the bottom connector of the Bus Transmitter to the top connector of a Bus Receiver Module in the next rack. Continue this process to connect all of the racks in the drop. The maximum total cable length from the Bus T ransmitter to the last Bus Receiver is 50 feet (15 meters).

Catalog Number Length

IC600WD005 5 feet (1.5 meters) IC600WD010 10 feet (3.0 meters) IC600WD025 25 feet (7.5 meters) IC600WD050 50 feet (15.0 meters)

Terminator Plug

Each Bus Receiver Module is shipped with a termination resistor pack installed in the lower connector. Only the last Bus Receiver in a remote drop may have the terminator plug installed. If the remote drop has three or more racks, remove the terminator plugs from the intermediate Bus Receivers.

When power is applied, the middle LED on the last Bus Receiver should be on to indicate that the termination resistor is installed. The middle LED on all other Bus Receivers should be off.

RACK 0

A N N E R

7 EXPANSION RACKS (MAXIMUM)

LAST RACK

I/O TERMINATOR PLUG

(IC697ACC702)

a44971

31Chapter 2 Installation

Page 39

ÑÑ

ÓÓ

ÎÎ

Î Î

Genius Bus Connections: Single Bus Cable

To install the Remote I/O Scanner on a single bus cable, use the upper four terminals as described below. Do not use the lower eight terminals.

R E D U

N D A N C Y

SER1

SER2

SER1A

SER2A

SER1B

SER2B

CONNECT

BUS TO

TOP FOUR

TERMINALS

NOT USED

FOR

SINGLE–CABLE

BUS

1. Connect Serial 1 to the Serial 1 terminals of the previous device and the next device.

2. Connect Serial 2 to the Serial 2 terminals of the previous device and the next device.

3. Conn ect the Remote I/O Scanner’s Shield In terminal to Shield Out of the preceding device. Connect Shield Out to Shield In of the next device. If the Remote I/O Scanner is the first device on the bus, Shield In can be left unconnected. If it is the last device on the bus, Shield Out can be left unconnected. When making bus connections, the maximum exposed length of bare wires should be two inches. For added protection, each shield drain wire should be insulated with spaghetti tubing to prevent the Shield In and Shield Out wires from touching each other, or the signal wires.

5 6

a44754

SHIELD

OUT

SHIELD

IN A

SHIELD

OUT A

SHIELD

IN B

SHIELD

OUT B

ÑÑÎ

Note

The Genius bus connections for the Remote I/O Scanner are not the same as for the Series 90–70 Bus Controller, even though the terminals are physically identical.

SHIELD

OUT

SERIES 90–70

CONTROLLER

SER1

SER2

GENIUS

BUS

SHIELD

SER1

SER2

REMOTE

I/O

SCANNER

a44755

SHIELD IN

SHIELD

OUT

Single Bus Termination

If the Scanner is at either end of the bus (electrically), connect a 75, 100, 120, or 150–ohm terminating resistor across the Serial 1 and Serial 2 terminals. Chapter 2 of the Genius I/O System User’s Manual lists the correct impedance to use for each approved type of bus cable.

Note

If the module will be powered up when not connected to a properly–ter minated bus, connect a 75–ohm resistor across its Serial 1 and Serial 2 terminals to assure proper powerup.

Series 90–70 Remote I/O Scanner User’s Manual – July 199232

Page 40

Genius Bus Connections: Dual Bus Cables

To install a Remote I/O Scanner directly on both busses of a redundant bus, use the lower eight terminals as described below. Do not attach an external Bus Switching Module to a Remote I/O Scanner.

5 6

SHIELD

OUT A

SHIELD

OUT B

SER1

SER2

SER1A

R E

SER2A

U N D A

SER1B

N C Y

SER2B

1. Connect bus A to terminals 5 – 8 on the Remote I/O Scanner, marked SER1A, SER2A, SHIELD IN A and SHIELD OUT A.

OUT

IN A

IN B

a44881

TERMINALS

FOR

BUS A

TERMINALS

FOR

BUS B

2. Connect bus B to terminals 9 – 12, marked SER2A, SER2B, SHIELD IN B, and SHIELD OUT B.

3. For each bus, connect Serial 1 to the Serial 1 terminals of the previous device and the next device. Connect Serial 2 to the Serial 2 terminals of the previous device and the next device.

4. For each bus, connect the appropriate Shield In terminal to Shield Out of the preceding device. Connect Shield Out to Shield In of the next device. If the Remote I/O Scanner is the first device on a bus, its Shield In terminal for that bus can be left unconnected. If it is the last device on the bus, its Shield Out terminal for that bus can be left unconnected.

When making bus connections, the maximum exposed length of bare wires should be two inches. For added protection, each shield drain wire should be insulated with spaghetti tubing to prevent the Shield In and Shield Out wires from touching each other or the signal wires.

Dual Bus Termination

If either trunk cable of the dual bus ends at the Remote I/O Scanner, install a terminating resistor across the Serial 1 and Serial 2 terminals where that cable attaches to the module. If both cables terminate at the Remote I/O Scanner, each must have its own terminating resistor. Do not terminate dual bus stubs (see next page).

33Chapter 2 Installation

Page 41

Connecting a Bus Stub to a Remote I/O Scanner

A bus stub must always be Belden 9182 or equivalent cable, regardless of the cable type used for the dual bus trunk.

a44882

BUS

STUB

BELDEN

9182

EQUIVALENT

BUS A

BUS B

TERMINATING RESISTOR NEEDED IF REMOTE I/O SCANNER IS AT END OF A BUS.

NO TERMINATING RESISTOR

The total length of all stubs on a bus should be 100 feet or less. Within each 20% section of the actual bus length, the total maximum stub length is 20 feet. This can be divided into shorter stubs, provided that the total length in each 20% of the bus is 20 ft. or less.

Bus Stub Connections

1. Bus stub cable attaches to the upper four terminals on a Remote I/O Scanner.

a44883

CONNECT

BUS

STUB CABLE

HERE

5 6

SHIELD

OUT

SHIELD

IN A

SHIELD

OUT A

SHIELD

IN B

SHIELD

OUT B

R E D U

N D A N C Y

SER1

SER2

SER1A

SER2A

SER1B

SER2B

2. Connect Serial 1 to Serial 1 of the next device. Connect Serial 2 to Serial 2 of the next device. Connect Shield Out to Shield In of the next device. Connect additional devices in the same way. If the Remote I/O Scanner is the bus switching device (directly connected to the dual bus), its Shield In terminal can be left unconnected. If it is the last device on the bus stub, the Shield Out terminal can be left unconnected. The bus stub does not require a terminating resistor.

Series 90–70 Remote I/O Scanner User’s Manual – July 199234

Page 42

Programmer Connection at the Remote I/O Scanner

A Logicmaster 90–70 programmer can be connected to rack 0 of a remote drop. (Logicmaster 6 or Logicmaster 5 cannot be used with a remote drop).

Refer to the instructions that follow, for the type of equipment you are using.

Logicmaster 90 Parallel version and Workstation Interface Board

Logicmaster 90 Serial version and Workstation Interface Board

Logicmaster 90 Serial version, no Workstation Interface Board

The Workstation Interface Board can be used for either parallel or serial communications with a remote drop. The board provides ground isolation allowing the programmer ground to vary by up to 500V.

Logicmaster 90 Parallel Version and Workstation Interface Board

If the programmer is equipped with the parallel version of Logicmaster 90–70 and a W orkstation Interface Board (IC647WMI920 for W orkmaster II or IBM PS/2 computer , or IC640WMI910 for a Workmaster or IBM PC–XT/AT computer), connection is made to a Bus Transmitter module located in the remote drop.

Grounding

For proper operation, the programmer must have a ground connection in common with rack 0. Normally, the common ground connection is provided by connecting the programmer’s power cord to the same power source (with the same ground reference point) as the rack. If a common ground cannot be established, use GE Fanuc RS–422 Isolated Repeater/RS–232 Converter IC655CCM590, or an equivalent product.

Connection Instructions

For a Workmaster I or II computer , use cable IC647CBL703.

1. Attach the 37–pin male connector to the computer’s Workstation Interface board.

2. Attach the 37–pin female connector to the top connector on the Bus Transmitter module.

a43562

WSI

PARALLEL

CABLE

BTM

WORKMASTER II

ÎÎÎ

35Chapter 2 Installation

Page 43

Logicmaster 90 Serial Version and Workstation Interface Board

If the programmer is equipped with the serial version of Logicmaster 90–70 and a W orkstation Interface Board (IC647WMI920 for W orkmaster II or IBM PS/2 computer , or IC640WMI910 for a Workmaster or IBM PC–XT/AT computer), connection is made to the Remote I/O Scanner’s RS–485 serial port. If the Remote I/O Scanner is not part of a multidrop network, follow the instructions below. If the Remote I/O Scanner is installed on a multidrop serial communications network, refer to the instructions on page 39 instead.

The Workstation Interface Board can be used for either parallel or serial communications with a remote drop. The board provides ground isolation allowing the programmer ground to vary by up to 500V.

Grounding

Serial Port Termination

For direct programmer connection, the Remote I/O Scanner’s serial port must be terminated. Connect a 220Ω resistor across pins 10 and 11 and another 220Ω resistor across pins 8 and 15. These connections must be made inside the connector’s D–shell. At the other end of the link, terminate the RD and CTS pins in the same way.

Connection Instructions

For a Workmaster I or II computer , use cable IC647CBL704.

1. Attach the 37–pin male connector to the Workstation Interface Board.

2. Attach the 15–pin male connector to the serial port connector on the Remote I/O Scanner.

a44884

SCANNER

WSI

SERIAL

CABLE

ÎÎ

WORKMASTER II

ÎÎ

WORKMASTER

Series 90–70 Remote I/O Scanner User’s Manual – July 199236

Page 44

Logicmaster 90 Serial Version, No Workstation Interface Board

If the programmer is equipped with the serial version of Logicmaster 90–70, and does NOT have a Workstation Interface Board, connection must be made via an intermediate RS422/RS485 to RS–232 Converter. If no isolation is required, use GE Fanuc RS–232/RS–422 Converter IC690ACC900A. If isolation is required, use GE Fanuc RS–422 Isolated Repeater/RS–232 Converter IC655CCM590, or an equivalent product.

If the distance from the converter to the Remote I/O Scanner is more than 10 feet, +5 VDC must be provided using an external power supply. If the Remote I/O Scanner is part of a multidrop network, follow the instructions on page 39. If the Remote I/O Scanner is not part of a multidrop network, follow the instructions below.

Programmer to Conver ter Cable

For a Workmaster or IBM PC–XT or compatible computer, use cable IC690CBL701. For an IBM PC–AT or compatible computer use cable IC690CBL702. For a Workmaster II or IBM PS/2 or compatible computer, use cable IC690CBL705. These are all 10–foot cables. For intormation about using longer cables, please refer to the Series 90–70 Installation and Operation Manual (GFK–0262, revision C or later).

Converter to Remote I/O Scanner Cable

Use standard 6–foot cable IC693CBL303.

1. For direct programmer connection, the Remote I/O Scanner’s serial port must be terminated. Connect a 220Ω resistor across pins 10 and 11 and another 220Ω resistor across pins 8 and 15. These connections must be made inside the connector’s D–shell. At the other end of the link, terminate the RD and CTS pins in the same way.

2. Be sure the remote drop is powered–down.

3. Connect the 25–pin male connector on the 10 foot cable to the 25–pin female connector on the converter.

4. Connect the female connector on this cable to the male RS–232 connector (serial port) on the programmer.

5. Connect the 6–foot cable to the converter and the Remote I/O Scanner. Both ends of this cable are the same.

RACK 0

C A N N E R

RS–485 RS–232

WORKMASTER II

ÎÎ

a44885

CONVERTER

37Chapter 2 Installation

Page 45

Multidrop Connections

Multidrop connections are described in the Series 90–70 Installation and Operation Manual (GFK–0262). Additional instructions are given below. Connection is made

between the CPU and the serial port on the Remote I/O Scanner.

Terminating the Remote I/O Scanner’s Serial Port

The serial port on the Remote I/O Scanner must be terminated if the Remote I/O Scanner will be at the end of a multidrop network. To terminate the serial port, connect a 220Ω resistor across pins 10 and 11 and another 220Ω resistor across pins 8 and 15. These connections must be made inside the connector’s D–shell. At the other end of the link, terminate the RD and CTS pins in the same way.

SNP termination is the same for Series 90–70 CPUs IC697CPU731K or later, and IC697CPU771H or later. For Series 90–70 CPUs IC697CPU771J or earlier and IC697CPU771G or earlier, the jumper is located between pins 9 and 10.

Note

Isolation for the Serial Port

Like the Series 90–70 CPU, the Remote I/O Scanner contains NO isolation circuitry at the SNP port. If isolation is required, use the GE Fanuc RS–232/RS–422 converter (catalog number IC655CCM590), or equivalent product.

Caution

If a multidrop network cannot be guaranteed to be on the same electrical ground and served by the same phase on the mains, isolation must be provided separately for each CPU and Remote I/O Scanner .

Series 90–70 Remote I/O Scanner User’s Manual – July 199238

Page 46

Programmer Connections in a Multidrop Network

In a multidrop network, a programmer connected to the CPU can communicate with the Remote I/O Scanner over the serial link, as shown below. A programmer can also be connected directly at the remote drop. However, when the Remote I/O Scanner is part of a multidrop network, its serial port, which is used for connection of the serial link, is not available for direct connection of a programmer.

a44886PLC REMOTE DROP

PROGRAMMER

CONNECTION

(SERIAL)

MULTIDROP

NETWORK

The illustrations that follow suggest how extra connectors may be installed to allow the use of a programmer at various points in the system, without disturbing the serial link between the PLC and the remote drop. When extra connectors are used, it is important to be sure that the connections will be secure. For example, the connectors can be permanently mounted on panels.

GENIUS BUS

SERIAL NETWORK CABLE

C A N N E R

The illustrations show connections for a Workmastert II programmer, although a different type of programmer could be used.

If the programmer does not have a Workstation Interface card, RS232–to–RS422 conversion must be provided at each location. A conversion box can be installed at each drop, or one conversion box can be moved from location to location with the programmer.

In locations where isolation is not a problem, the non–isolated RS232–to–RS422 Conversion Box (IC690ACC900) can be used.

In locations where ground potential differences may occur, it is important to provide adequate ground isolation. Repeater/Converter Box (IC655CMM590) that provides both RS232–to–RS422 conversion and isolation should be used.

39Chapter 2 Installation

Page 47

SNP Multidrop with WSI Board in Workmaster II

SERIES 90

PLC

SHLD 0V RD ( A’ ) RD ( B’ ) SD ( A ) SD ( B ) RTS ( A ) RTS ( B ) CTS ( A’ ) CTS ( B’ )

15– PIN

MALE

1 7

11 12 13

6 14 15

MAXIMUM OF

(1,200 METERS)

SHIELDED

TWISTED PAIRS

UP TO A

4,000 FEET

RS–422 ISOLATED

REPEATER

(IC655CCM590)

J1 J2

PIN PIN

7 16 17 15 14 11 10 13 12

23 22

115

VAC

SERIES 90

REMOTE I/O

SCANNER

SHLD 0V RD ( A’ ) RD ( B’ ) SD ( A ) SD ( B ) RTS ( A ) RTS ( B ) CTS ( A’ ) CTS ( B’ )

15– PIN

MALE

a44855

SHIELDED

TWISTED PAIRS

7 16 17 15 14 11 10 13 12

7 10 11 12 13

6 14 15

7 15 14 16 17 13 12 11 10

PORT

SHLD 0V RD ( A’ ) RD ( B’ ) SD ( A ) SD ( B ) RTS ( A ) RTS ( B ) CTS ( A’ ) CTS ( B’ )

25– PIN

FEMALE

PLC/CPU

PANEL

REMOTE

PANEL

PORT

SHLD 0V RD ( A’ ) RD ( B’ ) SD ( A ) SD ( B ) RTS ( A ) RTS ( B ) CTS ( A’ ) CTS ( B’ )

25– PIN

FEMALE

SHLD 0V RD ( A’ ) RD ( B’ ) SD ( A ) SD ( B ) RTS ( A ) RTS ( B ) CTS ( A’ ) CTS ( B’ )

25– PIN

MALE

SHLD 0V RD ( A’ ) RD ( B’ ) SD ( A ) SD ( B ) RTS ( A ) RTS ( B ) CTS ( A’ ) CTS ( B’ )

25– PIN

MALE

7 15 14 16 17 13 12 11 10

RECOMMENDED CABLE

TYPES, BELDEN #9505 OR #9832 (FIVE PAIR TWISTED)

WIRE PAIRS MUST BE CONSISTENT THROUGHOUT LENGTH OF NETWORK. OEM MUST GUARANTEE

THERE IS NO MORE THAN A " 7 VOLT COMMON MODE VOLTAGE BETWEEN PANELS.

FOR INFORMATION ON MULTIDROP CONFIGURATIONS, REFER TO THE SERIES 90 PLC SNP COMMUNICATIONS DRIVER USER’S MANUAL (GFK–0585).

120 OHM RESISTORS.

220 OHM–1/4 WATT–5% RESISTORS.

SERIES 90

REMOTE I/O

SCANNER

SHLD 0V RD ( A’ ) RD ( B’ ) SD ( A ) SD ( B ) RTS ( A ) RTS ( B ) CTS ( A’ ) CTS ( B’ )

15– PIN

MALE

WORKMASTER II

WSI

SERIAL/

PARALLEL

PORT

37– PIN

FEMALE

LAST

REMOTE

PANEL

7 10 11 12 13

6 14 15

PIN 37

SHLD

SD ( A )

SD ( B )

RD ( A’ )

RD ( B’ )

CTS ( A’ )

CTS ( B’ )

RTS ( A )

RTS ( B )

37– PIN

MALE

PORT

SHLD

RD ( A’ )

RD ( B’ )

SD ( A )

SD ( B )

RTS ( A )

RTS ( B )

CTS ( A’ )

CTS ( B’ )

25– PIN

FEMALE

Typical Wiring Diagram

PIN PIN 37

1 27 26 35 34 31 30 33 32

UP TO MAXIMUM OF 50 FEET (15.2 METERS)

SHLD

RD ( A’ )

RD ( B’ )

SD ( A )

SD ( B )

RTS ( A )

RTS ( B )

CTS ( A’ )

CTS ( B’ )

25– PIN

MALE

7 15 14 16 17 13 12 11 10

Series 90–70 Remote I/O Scanner User’s Manual – July 199240

Page 48

SNP Multidrop without WSI Board in Workmaster II

SERIES 90

PLC

SHLD 0V RD ( A’ )– RD ( B’ )+ SD ( A )– SD ( B )+ RTS ( A )– RTS ( B )+ CTS ( A’ )– CTS ( B’ )+

15– PIN

MALE

RECOMMENDED CABLE TYPES, BELDEN #9505 OR #9832 (FIVE PAIR TWISTED)

WIRE PAIRS MUST BE CONSISTENT THROUGHOUT LENGTH OF NETWORK.

OEM MUST GUARANTEE

THERE IS NO MORE THAN A +7 VOLT COMMON MODE VOLTAGE BETWEEN PANELS

FOR INFORMATION ON MULTIDROP CONFIGURATIONS, REFER TO THE SERIES 90 PLC SNP COMMUNICATIONS DRIVER USER’S MANUAL (GFK–0585).

POWER SOURCE FOR

IC690ACC900 CONVERTER 10 FEET (3 METERS) ONLY. CONVERTER POWER SOURCE BEYOND 10 FEET (3 METERS) MUST BE FROM EXTERNAL SOURCE.

120 OHM RESISTORS.

220 OHM–1/4 WATT–5%

***

RESISTORS.

WORKMASTER II

RS–232

PORT

25–PIN

MALE

7 10 11 12 13

6 14 15

MAXIMUM OF

(1,200 METERS)

SHIELDED

TWISTED PAIRS

UP TO A

4,000 FEET

VAC

REMOTE I/O SCANNER

IC690CBL705 OR EQUIVALENT

SHIELDED PAIRS

RTS

CTS

DCD

DTR

GND

25–PIN

FEMALE

RS–422 ISOLATED

REPEATER

(IC655CCM590)

115

SERIES 90

SHLD 0V

RD ( A’ )– RD ( B’ )+ SD ( A )– SD ( B )+ RTS ( A )– RTS ( B )+ CTS ( A’ )– CTS ( B’ )+

15– PIN

MALE

SERIES 90

REMOTE I/O

SCANNER

SHLD +5V 0V RD ( A’ )– RD ( B’ )+ SD ( A )– SD ( B )+ RTS ( A )– RTS ( B )+ CTS ( A’ )– CTS ( B’ )+

15– PIN

MALE

RS–232

PIN PIN

7 16 17 15 14 11 10 13 12

23 22

PIN 1

7 10 11 12 13

6 14 15

7 10 11 12 13

6 14 15

16 17 15 14

11 10 13 12

18 19

9 8

3 2 5 4 8

7 1

25–PIN

MALE

RD TD CTS RTS DCD

GND SHLD

***

*** ***

FEMALE RS–232

RS–232/RS–485

CONVERTER

(IC690ACC900)

25–PIN

FEMALE

PORT

SHIELDED

TWISTED PAIRS

15–PIN RS–485

PORT

DCD ( A)–

DCD ( B )+

RD ( A’ )–

RD ( B’ )+

SD ( A )–

SD ( B )+

CTS ( A’ )– CTS ( B’ )+

RTS ( A– )–

RTS ( B )+

SHLD

15– PIN

MALE

PORT

SHLD

+5V

RD ( A’ )–

RD ( B’ )+

SD ( A )–

SD ( B )+

RTS ( A )–

RTS ( B )+

CTS ( A’ )–

CTS ( B’ )+

25– PIN

FEMALE

PLC/CPU

PANEL

REMOTE

PANEL

PORT

SHLD

+5V

RD ( A’ )–

RD ( B’ )+

SD ( A )–

SD ( B )+

RTS ( A )–

RTS ( B )+

CTS ( A’ )–

CTS ( B’ )+

25– PIN

FEMALE

LAST

REMOTE

PANEL

PORT

SHLD

+5V

RD ( A’ )–

RD ( B’ )+

SD ( A )–

SD ( B )+

RTS ( A )–

RTS ( B )+

CTS ( A’ )–

CTS ( B’ )+

25– PIN

FEMALE

TYPICAL WIRING DIAGRAM

+5V

3 10 11 12 13

* *

3 10 11 12 13

9 15

6 14

UP TO MAXIMUM OF 50 FEET (15.2 METERS) *

SHIELDED

TWISTED PAIRS

SHLD +5V 0V RD ( A’ )– RD ( B’ )+ SD ( A )– SD ( B )+ RTS ( A )– RTS ( B )+ CTS ( A’ )– CTS ( B’ )+

25– PIN

MALE

SHLD +5V 0V RD ( A’ )– RD ( B’ )+ SD ( A )– SD ( B )+ RTS ( A )– RTS ( B )+ CTS ( A’ )– CTS ( B’ )+

25– PIN

MALE

SHLD +5V 0V RD ( A’ )– RD ( B’ )+ SD ( A )– SD ( B )+ RTS ( A )– RTS ( B )+ CTS ( A’ )– CTS ( B’ )+

25– PIN

MALE

16 17 15 14

13 12 11 10 5 7 1

a44973

1 5

7 15 14 16 17 13 12 11 10

41Chapter 2 Installation

Page 49

Chapter 3 Remote I/O Scanner Operation

section level 1 1

This chapter explains how a Remote I/O Scanner interacts with the modules in its remote drop, how it stores data, and how it exchanges data with a PLC or other type of system host.

Overview

The Remote I/O Scanner scans I/O modules in its remote drop in the same manner in which a Series 90–70 PLC CPU scans I/O modules in the PLC. Its internal memories store the remote drop’s I/O data.

A Remote I/O Scanner communicates with the host over the Genius bus, sending up to 128 bytes of input data and receiving up to 128 bytes of output data each Genius bus scan.

figure bi level 1 table_big level 1

HOST

BUS

CONTROLLER

GENIUS

MESSAGE

INPUTS:

UP TO 128

BYTES

OUTPUTS: UP TO 128

BYTES

REMOTE

I/O SCANNER

% AI

% I

% Q % AQ

REMOTE DROP

SCAN

a44975

INPUT

MODULES

OUTPUT

MODULES

PCM, GDS, and ADS modules can be located in a remote drop. There, they have direct access to the input and output data for the I/O modules in the remote drop. They also have indirect access to the host, through the Remote I/O Scanner’s internal I/O tables.

Page 50

I/O Scan

Scanning begins immediately at powerup, unless a fatal diagnostic error occurs within the module. At powerup, all I/O in the remote drop, except those that are presently forced, default to Off. I/O that are forced at the time of powerup start operation in the forced state or value.

Run Mode

Following a successful powerup, a Remote I/O Scanner goes into Run mode. It remains in Run mode unless a fatal fault or other serious problem occurs. In Run mode, input modules are scanned in rack and slot order. The Remote I/O Scanner stores the input data in its own %I and %AI memories. These memories always contain the most recent value for each input.

a44977REMOTE DROP

REMOTE

I/O SCANNER

% I

% AI

INPUT

MODULES

% Q % AQ

OUTPUT

MODULES

After the input scan, the Remote I/O Scanner scans the output modules in rack and slot order, sending them the most recent output data from its internal %Q and %AQ memories.

a44978REMOTE DROP

REMOTE

I/O SCANNER

% I

% AI

% Q

% AQ

INPUT

MODULES

OUTPUT

MODULES

Special–purpose modules, such as PCM, GDS, and ADS modules, are recognized by the Remote I/O Scanner but are not scanned for I/O data. These modules may be programmed to access the internal memories of the Remote I/O Scanner, where they may deposit or acquire data.

Stop/Faulted Mode

If a fatal fault occurs, the Remote I/O Scanner goes to Stop/Faulted mode. The Module OK LED is off . In Stop/Faulted mode, the Remote I/O Scanner can communicate with Logicmaster 90–70; it may be possible to place the module back into Run mode by clearing all faults from its CPU Fault Table and I/O Fault Table. This requires either a direct programmer connection or communication with the remote drop on a multidrop network. It is also possible to use a Hand–held Monitor to clear all faults to attempt a return to Run mode. Stop/Faulted mode usually indicates a hardware fault. If the fault condition is not corrected, the module will not be able to return to Run mode successfully.

Remote I/O Scanner User’s Manual – July 199244

Page 51

I/O Scanner Memory

The Remote I/O Scanner has %I, %AI, %Q, %AQ, and %R internal memories. The following table shows how much memory of each type the Remote I/O Scanner has, and the maximum amount that may be transferred with the host.

Memory Type References Available in

Remote I/O Scanner

%I 12K up to 1024 bits

%Q 12K up to 1024 bits

%AI 8K up to 64 words

%AQ 8K up to 64 words

%R 16K not transferrable

Transferred with Host

I/O Memory in the Remote I/O Scanner

The Remote I/O Scanner’s %I, %AI, %Q, and %AQ memories are used for the remote drop’s I/O data. They can also be used for data being transferred between the host and option modules in the remote drop.

Individual I/O modules may be configured anywhere within available memory . If data are to be exchanged with the CPU, the modules must be placed inside the configured I/O map. Any I/O modules configured outside the I/O map will be scanned by the Remote I/O Scanner, but the data will not be derived from or supplied to the CPU.

Configuring I/O References in a Series 90–70 PLC Application

When configuring I/O references for a Series 90–70 PLC:

1. A Logicmaster 90 program folder for the Series 90–70 contains the I/O map for each remote drop.

2. A Logicmaster 90 program folder for a Remote I/O Scanner also contains an I/O map.

3. For 90–70 applications, it recommended that both of these I/O maps agree.

4. The configured data lengths must agree.

For most applications, matching PLC and Remote I/O Scanner references are recommended to avoid confusion. However, it is not mandatory to assign the same references in the Remote I/O Scanner configuration and in the PLC configuration.

%R Memory in the Remote I/O Scanner

The Remote I/O Scanner has 12K bytes of %R memory that is not used for data transfer with the host. However, it is available for other uses such as transferring data with Programmable Coprocessor Modules in the remote drop.

45Chapter 3 Remote I/O Scanner Operation

Page 52

Data Transfer with the Host

Each bus scan, a Remote I/O Scanner exchanges the following data with the host PLC or computer:

It sends an input message with up to 128 bytes of %I and/or %AI inputs.

It receives an output message with up to 128 bytes of %Q and/or %AQ outputs.

The exact length and content of these messages is determined by the remote drop I/O map configured for the Remote I/O Scanner. The data from each table (%I, %AI, %Q, and %AQ) must be contiguous. Data formats are explained on the following pages.

Communications on the Genius Bus

After a Remote I/O Scanner completes a successful login with the controlling PLC or computer, it begins sending the input data it has scanned from the input modules and accepting output data for the output modules it controls.

The scanner’s communications with the host are performed asynchronously. When the scanner receives the Genius bus communications token, it sends the most recent data from the configured portion of its %I and %AI memories on the bus. As described above, these memories are repeatedly updated whenever the Remote I/O Scanner scans the input modules in the remote drop.

The scanner receives new outputs from the host when the host’s bus controller has the communications token. It places these outputs into the configured portion of its %Q and %AQ output tables. These outputs are then passed to the devices in the remote drop on the next I/O scan.

The Genius bus scan time may vary from 3–400mS, but 20–30mS is typical.

Update Rate

Depending on the number and types of I/O modules in a remote drop, the update rate is typically in the range of 4–7mS, if there is no programmer activity. If the Logicmaster 90–70 programmer is physically attached to the Remote I/O Scanner, and is in On–line mode, it slows the update rate by about 10mS.

Throughput

If an output in the remote drop is tied to an input in the same remote drop, the output changes state (or value, in the case of an analog output module) within a few milliseconds of the new output being sent from the bus controller to the Remote I/O Scanner. (To guarantee that an output changes state, it must be present for at least one Genius bus scan time).

The input which is tied to the output responds as soon as any load–effects have settled out and input filtering is completed. This may occur as soon as the Remote I/O Scanner’s next I/O scan.

An input must be present for at least one PLC sweep time plus one Genius bus scan time to guarantee its detection by the host. If the input changes state only briefly, and then changes again before the input data is sent on the bus, the change may be overwritten by some new input state or value before it can be sent.

Remote I/O Scanner User’s Manual – July 199246

Page 53

Input Data Sent by the Remote I/O Scanner

When the Remote I/O Scanner has its turn on the bus, it sends one input data message containing the latest values for all configured discrete inputs followed by all configured analog inputs. Because they are broadcast (like all Genius inputs), they can be obtained by any Bus Controller on the bus.

Input Data Message (up to 128 bytes)

To CPU

The lengths of each portion are equal to the lengths of %I and %AI data selected when configuring the Remote I/O Scanner. Either may be zero.

The discrete inputs appear in the input message in the same sequence as their assigned input references. Each discrete input module occupies one byte per eight circuits.

The analog inputs are also in the same sequence as their assigned input references. Each analog input module occupies two bytes (one word) for each analog channel.

The Remote I/O Scanner sends this data from its internal %I and %AI memories, beginning at the start locations selected during remote drop configuration of the Remote I/O Scanner .

How the host handles this data depends on the host type:

A Series 90–70 PLC places the data in the %I and %AI references selected during PLC configuration. These must be the same references selected during Remote I/O Scanner configuration.

discrete inputs analog inputs

a Configured %I Length

a Configured %AI Length

%AI starting reference data%I starting reference data

A Series Six or Series Five PLC places the data into I/O table or register memory . For a new Remote I/O Scanner, a beginning address in Series Six or Series Five I/O Table memory can be entered by Logicmaster 90 configuration of the Remote I/O Scanner. To assign references in register memory instead, or to change a previously–entered I/O table assignment, a Hand–held Monitor must be used.

A host computer places the data into the input table segment that corresponds to the Device Number of the Remote I/O Scanner.

Chapter 9 explains how each of these host devices handles the data it exchanges with a Remote I/O Scanner .

47Chapter 3 Remote I/O Scanner Operation

Page 54

Outputs from the Host to a Remote Drop

Each time the host’s Bus Controller has the bus communications token, it sends any outputs it has received from the CPU to the devices on the bus. Outputs for the Remote I/O Scanner are sent in one output data message, with all configured discrete outputs followed by all configured analog outputs.

Output Data Message

(up to 128 bytes)

To Remote Drop

The lengths of each portion are equal to the configured lengths of %Q and %AQ data selected for the Remote I/O Scanner (regardless of the host CPU type or the actual amount of output data needed for the modules physically present in the remote drop). Either length may be zero.

The Series 90–70 Bus Controller automatically places the %Q data ahead of the %AQ data, in accordance with the configuration supplied to the host PLC for the remote drop. Other PLCs and computers need to prearrange the data in the order expected by the remote drop. Each discrete output module will receive one byte of data for each eight circuits. Each analog output module will receive two bytes (one word) for each analog channel.

As soon as new output data is received, the Remote I/O Scanner checks it to be sure the data is error–free and of the correct length. The length must match the combined lengths of the discrete output data and analog output data that have been configured for the Remote I/O Scanner. After verifying the accuracy of the data, the scanner puts the data in the %Q and %AQ tables, and begins passing it to the output modules in the remote drop.

discrete outputs analog outputs

a Configured %Q Length

a Configured %AQ Length

%AQ starting reference data%Q starting reference data

Output Defaults

On powerup, all outputs are turned off (analogs go to zero), except those inputs and outputs which had previously been forced––they go immediately to their forced state or value.

If CPU communications are lost for 3 bus scans, all outputs that are not presently forced will either default or hold their last state, as configured using the Logicmaster 90–70 software. If all configuration for a remote drop is done with a Genius Hand–held Monitor, this selection cannot be made and all outputs will default to Off (or 0 for analogs).

Remote I/O Scanner User’s Manual – July 199248

Page 55

Configuring Extra References

Normally, there are no extra references configured for the Remote I/O Scanner, since that would consume extra references in the host CPU, making them unavailable for other modules. In addition, extra references add to the Genius bus scan time, so they should be avoided if they are not actually needed.

However, reserving extra references or leaving vacancies at configuration time is a convenient way to prepare for future additions to a remote drop. (If Logicmaster 90–70 is used for configuration, unused references may be placed anywhere in the input message).

Input Data Message with Some Inputs Not Used

To CPU

discrete inputs analog inputs

a Configured %I Length

unused

discrete

references

a Configured %AI Length

%AI starting reference data%I starting reference data

unused

analog

references

Example

An application has two remote drops, which have been configured as #016 and #017.

Drop 016

%I0001 – %I0064 %AI0001 – %AI0008 %Q0001 – %Q0032 %AQ0001 – %AQ0008

At a later time, it becomes necessary to add a 32–point input module to drop 016. However, in drop 016, there are already enough input modules to use all of the assigned input references (%I0001 – %I0064). Ideally, the extra modules would be added to remote drop 016 at %I00065, but this is already used as a reference in drop

017. The alternatives at this stage are:

Drop 017

%I0065 – %I0128 %AI0009 – %AI0016 %Q0033 – %Q0064 %AQ0009 – %AQ0016

1. Change the map of drop 017 to free up %I0065 – %I0096.

2. Change the map of drop 016 to start at higher references, such as %I0097 – %I0160.

It would have been easier to add the module to drop 016 if extra references had been configured originally, or if some vacancies had been allowed.

Drop 016

%I0001 – %I0096 %AI0001 – %AI0008 %Q0001 – %Q0032 %AQ0001 – %AQ0008

Drop 017

%I0097 – %I0160 %AI0009 – %AI0016 %Q0033 – %Q0064 %AQ0009 – %AQ0016

49Chapter 3 Remote I/O Scanner Operation

Page 56

Using Option Modules in a Remote Drop

PCMs (Programmable Coprocessor Modules), GDS (Graphics Display Coprocessor Modules), and ADS (Alphanumeric Display Coprocessor Modules) can be located in a remote drop.

These option modules look at the Remote I/O Scanner as though it were a Series 90–70 PLC CPU. They can read and write to any locations in the Remote I/O Scanner’s internal %I, %AI, %Q, %AQ, and %R memories, including those portions of memory that are outside the range configured for data transfer with the system host.

The Remote I/O Scanner’s %R memory is NOT used for data transferred with the CPU, but it can be freely accessed by a PCM, GDS, or ADS module in the remote drop.

Accessing the Host CPU from Option Modules in a Remote Drop

When used in a remote drop, a PCM, GDS, or ADS module does not have direct access to host CPU memory; to read or write host memory, the data must be transferred through the configured memory area of the Remote I/O Scanner . The area used should not correspond to a physical I/O module; it should correspond to an unused portion of the remote drop I/O map configured for the remote drop.

Extending the I/O map of a remote drop will cause the Genius message to increase in size, and will therefore increase the Genius bus scan time. Gaps may be anywhere in the I/O map, but if they are added to the end, the corresponding I/O references cannot be used for any other purpose by either the host or the Remote I/O Scanner.

Reading Host Data from an Option Module

a44887

HOST

CPU

MEMORIES

% Q

% AQ

GENIUS

MESSAGE

REMOTE I/O

SCANNER

MEMORIES

% Q

% AQ

OUTPUT

MODULES

READ

PCM, GDS

OR ADS

Remote I/O Scanner User’s Manual – July 199250

Page 57

Sending Data from an Option Module to the Host

To send data to the host CPU, the option module must place that data into the %I or %AI memory area of the Remote I/O Scanner. The data must be located within the range of %I or %AI memory configured for transfer to the host, and cannot correspond to an input module. It must correspond to a gap in the input portion of the remote drop I/O map.

a44888

HOST

CPU

REMOTE I/O

SCANNER

PCM, GDS

ADS

MEMORIES

% I

% AI

MEMORIES

% I

% AI

INPUT

MODULES

WRITE

The transport delays between the CPU and the Remote I/O Scanner should be considered when analyzing system timing.

51Chapter 3 Remote I/O Scanner Operation

Page 58

Direct Access to I/O by Option Modules

A PCM, GDS, or ADS module in the remote drop can read inputs from, and send outputs to, any I/O module in the drop. This may include modules which do not communicate with the system host at all.

It is possible to place I/O modules in a remote drop, and use Logicmaster 90 to assign them references outside the range configured for the Remote I/O Scanner. Although the host CPU would not be aware of such modules, the Remote I/O Scanner would include them in its regular I/O scan. By reading or writing the assigned references in the Remote I/O Scanner’s internal memory, an option module could independently monitor or control I/O modules in the remote drop.

Example

A Remote I/O Scanner might be configured to receive from the CPU 256 outputs, from %Q0001 to %Q0256, while output modules in the remote drop were configured using Logicmaster 90 to use outputs %Q0001 to %Q0272. Although the module assigned to references %Q00257 to %Q00272 would never receive outputs from the CPU, it could be controlled by any PCM, GDS or ADS module in the remote drop. To control the module, a PCM, GDS, or ADS module would send data to the corresponding %Q outputs in the Remote I/O Scanner’s internal memory.

HOST

MEMORIES

%Q00001

%Q00256

SENDS

1–256

REMOTE I/O

SCANNER

MEMORIES

%Q00001

%Q00256

%Q00257

%Q00272

%Q00001

%Q00272

OUTPUT

MODULES

a44889

PCM

SENDS

257–272

Remote I/O Scanner User’s Manual – July 199252

Page 59

Chapter 4 Configuration with Logicmaster 90–70

section level 1 1

This chapter explains:

how to use Logicmaster 90–70 software to configure a Remote I/O Scanner and the modules in a remote drop. See page 55.

how to convert Remote Drop configuration folders created with Release 3 Logicmaster software to Release 4 configuration folders. See page 54.

The instructions in this chapter are for rev. 4.01 or later of the Logicmaster 90–70 software. Either the serial or parallel version can be used. If you have an earlier software version (3.0 or later is required for any Remote I/O Scanner configuration), turn to appendix C for instructions.

Alternatively, a remote drop can be configured using a Hand–held Monitor (release

4.0 or later), provided there are no analog expanders in the remote drop. HHM

configuration does not provide all of the features that are available when configuring with Logicmaster 90, such as I/O module options and support options. Differences between the two configuration methods are listed in chapter 1. HHM configuration instructions are given in chapter 6.

figure bi level 1 table_big level 1

Configuration Limits

These configuration limits must not be exceeded:

1. The maximum amount of data that may be exchanged with a Remote I/O Scanner is 128 bytes of %I + %AI data and 128 bytes of %Q + %AQ data. For any particular I/O type (I, Q, AI, AQ) of the I/O map, the length plus the offset cannot exceed the current configured CPU limits.

2. The reference addresses of the I/O modules in the Remote Drop cannot exceed the Remote I/O Scanner limits.

3. There must not be too many option modules in the remote drop. See chapter 1.

4. The I/O configuration data must not be greater than 4500 bytes total. This amount of configuration data will never be reached in a remote drop where all of the I/O modules are included in the Remote I/O Scanner’s I/O map. Turn to appendix B if the remote drop drop will have I/O modules configured outside the I/O map.

Filenames for Configuration Files

With Release 4 Logicmaster software, filenames for remote drop configuration files are in the format dropXXX.cfg. For example, the configuration file for Drop033 is named drop033.cfg. To view the list of configuration files in the currently–selected folder, press Alt/L.

Page 60

Using R elease 3 Configuration Files with Release 4 Software

With Release 3 of the Logicmaster software, multiple folders were needed for the configuration: one for the PLC, and one for each remote drop. With Release 4 software, all configuration files are contained within the same folder.

Instructions to convert existing, operational Release 3 remote drop folders to a Release 4 common folder are summarized below, and explained in detail on the following pages.

1. Load the configuration of each Remote I/O Scanner to the folder that has the central PLC configuration. To do this:

A. Select the folder that contains the central PLC configuration. B. Load the configuration from each Remote I/O Scanner in the system. The

configuration files created by the load will be in the form dropXXX.cfg, where XXX is the Drop ID.

2. If the conversion is being done on a system that is not operational, after you load a configuration file to the folder , “attach” it to the PLC configuration as described below .

“Attaching” Configuration Files

An unattached remote drop configuration file is one that exists in the same folder as the PLC configuration, although it has not yet been included in the PLC configuration. An example would be a Release 3 configuration file that has been loaded to the common folder as described above. Although the file is present, the configuration data it contains is still separate from the central PLC configuration. Follow these steps to attach a remote drop configuration file to the PLC configuration.

1. If the file has not already been loaded to the PLC configuration folder, load it as described above.

2. The Bus Controller must already be configured. If that has not been done, configure it according to the instructions in the Series 90–70 Genius Bus Controller User’s Manual.

3. Configure a new Remote I/O Scanner as a device on the bus.

4. Zoom (F10) into the new Remote I/O Scanner’s configuration screen and change its Drop ID to match the Drop ID of the remote drop configuration file being attached.

5. Press ESC to complete the attachment. The software saves the remote drop configuration to disk and returns the display to the bus screen. At the next ESC from the bus level, the software saves the entire configuration to disk, updating both both the central PLC configuration and the remote drop configuration.

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Configuring a Remote Drop

A Remote I/O Scanner must be configured as a device on a Genius bus. If the Bus Controller has not been configured yet, refer to the configuration instructions in the Series 90–70 Genius Bus Controller User’s Manual.

With the Bus Controller configured, select its slot on the rack configuration screen:

Adding a Remote I/O Scanner to the Bus

To add a Remote I/O Scanner to the bus, with the cursor on the Bus Controller’s slot, press F10 (zoom) to go to the bus display:

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Selecting the Bus Address

Move the cursor to the Bus Address that will be used by the Remote I/O Scanner and press F8 (Remote). (The Bus Address is the Remote I/O Scanner’s address on the Genius bus; this number is not its DROP ID. See the explanations of Bus Address and Drop ID on the next page if you would like more information.)

Next, this catalog list appears:

Press the Enter key . The Remote I/O Scanner is now entered at the selected Bus Address. In the illustration, the Remote I/O Scanner is located at Bus Address 29.

The software assigns a DROP ID, as explained on the next page. Press F10 (zoom) from this screen to configure the Remote I/O Scanner. The message

“ Now saving Central PLC configuration to disk...” appears.

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After the configuration is saved, the Remote Drop rack configuration screen appears. The Remote I/O Scanner is located in slot 1.

The configuration screen shows the rack and slot location of the Bus Controller, and the Bus Address, Remote Drop rack, and Drop ID of the Remote I/O Scanner.

Location of Bus Controller

Remote Drop Rack

Drop ID

Genius Bus Address of the Remote I/O Scanner

Drop IDs and Bus Addresses

As mentioned, a Remote I/O Scanner’s Drop ID is not the same as its Bus Address:

Bus Address

Drop ID

The Bus Address is the Remote I/O Scanner’s communications address on the Genius bus. The Bus Address is selected when the Remote I/O Scanner is configured as a Genius bus device. The range of Bus Addresses is 0 to 31. Each Bus Address is unique only on that bus.

The Drop ID is a unique number from 16 to 254 by which the central PLC can uniquely identify any device connected as a remote drop on the Genius bus. There are two such devices, the Remote I/O Scanner and the Series 90–30 Enhanced Genius Communications Module (IC693CMM302).

The Remote I/O Scanner makes further use of the Drop ID by incorporating it into its SNP ID as DropXXX where XXX is the 3–digit Drop ID. The Logicmaster software assigns the letters “DROP” by default; these may be altered in the SNP ID screen, but the three last digits may not.

As noted on the previous page, the software automatically assigns a Drop ID to each Remote I/O Scanner. For the first Remote I/O Scanner to be configured, the default Drop ID 33 should appear in the DROP ID: field. Within a central PLC folder, Drop IDs are automatically incremented from 033 – 254, and when those are used, 016 – 032. No two remote drops can have the same Drop ID. If there is a “detached” remote drop file in the current folder, its Drop ID is skipped in the rotation.

If you prefer to use a Drop ID other than the one that has been assigned, you can edit the Drop ID parameter on the Remote I/O Scanner configuration screen.

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With the REMSCAN slot still selected, press F10 (zoom) to configure the Remote I/O Scanner. The first configuration screen appears.

Auto I/O Map is ON

The next available Reference Addresses within the PLC configuration have been automatically calculated and assigned.

The information on this screen and entries you can make are described below.

Drop ID

The Remote I/O Scanner’s Drop ID also appears on this screen. It can be edited here, if necessary.

Attaching a “Detached” File

To attach a configuration file that is present in the folder but not included in the PLC configuration, change the Drop ID on this screen to match that used by the configuration file. The file is read in and its configuration parameters are displayed.

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I/O Map

The I/O map represents the boundaries of the I/O references assigned to the remote drop which will be scanned by the central PLC. Before any modules are configured, the I/O map begins at the next available reference in each data type, based on the PLC configuration, and each reference type has a length of 0. You can change the reference starting addresses and enter lengths manually , or you can use automatic I/O mapping. The best method to use will depend on your application. If all I/O in the remote drop will be scanned by the central PLC and no future additions to the remote drop are planned, it is easiest to use automatic I/O mapping. However , if some I/O in the remote drop will not be scanned by the central PLC, you may prefer not to have the software automatically configure the I/O map. Details are on the following pages.

Ref A ddr

Length

The beginning configured reference for each data type. Initially, the I/O map shows the next available reference in each data type, based on the PLC configuration. If A uto I/O Map is ON, the software ensures that all configured I/O will be scanned by the central PLC by adjusting the I/O map. The first configured I/O module of a given data type will have a starting reference offset that matches the offset of the I/O map.

Series Six or Series Five PLC: Reference Assignment You MUST

use a Hand–held Monitor to change a Series Six or Series Five reference previously configured using either Logicmaster 90–70 or a Hand–held Monitor . You also must use an HHM to assign a reference in register (rather than I/O) memory. For a Series Six or Series Five PLC system that uses I/O table references, a previously–unconfigured Remote I/O Scanner will accept a reference entered here. It will be the reference for the first data type (in the sequence listed above) for which you enter a non–zero length. For example, if the remote drop has only analog input and output boards, the data lengths for %I and %Q would be 0. You would enter a data length for %AI and %AQ. The beginning reference entered for %AI would become the beginning Series Six or Series Five reference for the remote drop.

The amount of data of each type to be exchanged with the PLC. For %I and %Q memory, length is in bits (points). For %AI and %A Q memory, length is in words (each word is two bytes). If Auto I/O Map is ON, it is not necessary to enter lengths in the I/O map; within the limits given below, the software will increment the lengths as you configure I/O modules in the remote drop.

Data Length Limits Each remote drop transfers any mix of discrete

and analog inputs up to 128 bytes, and any mix of discrete and analog outputs up to 128 bytes. These limits reflect the maximum amount of data that can be sent on the Genius bus in a single transmission. Bit memories (%I and %Q) are assigned on byte boundaries. Reference limits for the Remote I/O Scanner are listed below . Reference limits for the host may not necessarily be the same. Whichever is smaller determines the practical limits of the configuration.

Memory Type References

Available

%I 12K up to 1024 bits

%Q 12K up to 1024 bits

%AI 8K up to 64 words

%AQ 8K up to 64 words

Maximum

Quantity

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Using Auto I/O Map

Use Auto I/O Map if you want to use the software’s automatic I/O mapping feature. With Auto I/O Map, the first I/O module of a given data type is assigned the same offset as the offset of the I/O map. A uto I/O Map automatically supplies lengths for the I/O map by incrementing the map as I/O modules are configured. In addition, if you change the reference address of the first module configured for a data type, A uto I/O Map changes the beginning address of the I/O map to match it.

If all I/O in the remote drop will be scanned by the central PLC:

For most applications, all I/O in the remote drop will be scanned by the central PLC:

I/O Map

Module Reference Addresses

If this is true for your application, begin with Auto I/O Map turned ON and use it to configure the I/O map.

A. The software will use the beginning references in the I/O map for the first modules

of each type you configure. You can change the beginning reference for any module.

B. As you configure additional modules, the software will update the I/O map. C. After configuring modules, you can view the I/O map, and edit it if necessary.

If more I/O than is configured in the remote drop will be scanned by the PLC:

The extra references can be used for additional modules in the future, or for data transfer between an intelligent module in the Remote Drop and the PLC CPU. The extra references can be located before, between, or after the configured I/O module references.

I/O Map

Assigned Module Reference Addresses

A uto I/O Map can be either ON or OFF. The best method to use depends on where the extra references will be located.

A. To create extra references either before or after the I/O module references, turn

A uto I/O Map OFF and edit the offset and length of the I/O map directly.

Extra

References

Available

to assign

B. To create extra references between I/O modules, turn Auto I/O Map On. When

configuring I/O modules, change the module starting references to skip the desired references. Because these will be scanned, and will add to the Genius bus scan time, be sure to only add reference that will be needed in the future.

One way to configure a system that will be expanded in the future is to configure the complete future installation with A uto I/O Map ON, then delete the

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presently–unavailable modules. Alternatively, you can could configure the existing equipment with A uto I/O Map ON, then turn it OFF and edit the length fields to provide space for the future modules, You need to plan this early; if you don’t leave enough room for future modules, extensive reconfiguration may be required later on.

If some I/O will not be scanned by the central PLC:

I/O data that is assigned to references outside the I/O map will not be exchanged with the PLC during system operation. Such references would be controlled by an intelligent module in the Remote Drop, as described in chapter 3. References outside the I/O map can be located anywhere in the Remote I/O Scanner’s I/O memory .

I/O Map

Module Reference Addresses

For this type of application, Auto I/O Map can be turned OFF for part or all of the Remote Drop configuration:

A. You can turn Auto I/O Map OFF before configuring any modules and enter in the

I/O Map lengths for each data type to be exchanged with the PLC. Then, configure references for individual I/O modules that fall either inside or outside the I/O map, as needed.

B. Or, you can begin with Auto I/O Map turned ON, and use it to configure all

modules that should be included in the I/O map. When you reach the point where I/O references should be outside the I/O map, return to the Remote I/O Scanner’s configuration screen, and turn Auto I/O Map OFF. The rest of the modules you subsequently configure for this drop will be outside the I/O map.

Outside I/O Map

Bus Scan Time Impact

As data lengths are incremented, either by entering them in the I/O map or with automatic I/O mapping, the configuration software calculates the total number of input and output bytes, and the amount of time the quantity of I/O specified will add to the scan time of the Genius bus, based upon the configured baud rate. This information is shown on the first Remote I/O Scanner configuration screen (this information cannot be edited):

The Bus Scan Impact is the amount of time that will be added to the scan time of the bus on which the Remote I/O Scanner is located by the quantity of data to be exchanged with the host.

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Press the Page Down key to display the second configuration screen for the Remote I/O Scanner.

The selections you can make on this screen are explained below.

Genius Interface Entries

Several of the Genius entries relate to both redundancy and CPU redundancy. These features are described in detail in the Bus Controller User’s Manual. Revision 3 of the Bus Controller and Series 90–70 CPU are required to use redundancy; however, Revision 4 products, which provide more complete support, are recommended for redundancy applications.

Baud Rate

Input Def

Out Enabled

This field is automatically filled in with the baud rate configured for the bus controller for the bus on which the Remote I/O Scanner resides. If you want to change the baud rate, return to the Bus Controller configuration screen. Note that all devices on the bus must be configured for the same baud rate.

Specifies the state presented to the PLC for all %I and %AI references in the remote drop, in the event communications with the Remote I/O Scanner are lost. The options are to default off or to hold last state.

Specifies whether output data will be transmitted from this Bus Controller to the remote drop at powerup. The options are enabled or disabled. If outputs are enabled on this screen, the Bus Controller sends outputs to the remote drop automatically after it logs in. If outputs are disabled on this screen, the Bus Controller does not automatically send outputs to the remote drop when it logs in. If outputs are disabled, the application program must subsequently send a COMREQ to the Bus Controller to enable outputs for the remote drop.

BSM CTRLR

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In a dual bus system, if the Remote I/O Scanner will be used to switch busses, select YES. If this entry is set to YES, the following entry will also be set to YES automatically.

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BSM Present

Timeout Sec

CFG Protect

Redund Mode

Duplex Def

In a dual bus system, if the Remote Drop will be located downsteam of another device that controls bus switching (either a Bus Switching Module or another Remote I/O Scanner), set this entry to YES.

If either of the previous two entries is YES, and the total bus scan time is expected to exceed 100mS, set this entry to 10. This entry is equivalent to the Switch Time entry made for the Bus Controller. It is the amount of time that will be allowed for switching on a dual bus. The choices are 2.5 seconds and 10 seconds. If the Remote I/O Scanner stops receiving output data from the Bus Controller, it will wait for this specified time period before defaulting outputs in the Remote Drop.

After establishing the configuration for the Remote Drop, set this entry to YES to prevent changes.

This entry determines the CPU redundancy mode of the system. For most applications, it will be NONE, for no CPU redundancy. The other choices are Hot Standby and Duplex. See the Bus Controller User’s Manual for details. The Remote I/O Scanner can only be configured for Duplex CPU redundancy if all of its modules are discrete.

If the entry for Redund Mode above was Duplex, the Remote I/O Scanner will operate in Duplex mode. It will accept output data from two Bus Controllers, and compare the corresponding outputs. If the two outputs match, the Remote I/O Scanner sets the output to the commanded state. If they do not match, the Remote I/O Scanner sets the output to this configured default state. All outputs in the Remote Drop will use this same default state.

Redundan cy?

Set this entry to YES if the Remote I/O Scanner will be a redundant device on the bus of its bus controller. The bus controller must also be set up for redundancy. Setting this to YES causes the configuration of this Remote I/O Scanner to be automatically associated with any “matching” internal bus controller.

SNP Port Entries

These are the SNP port communications parameters. If the Remote I/O Scanner will be part of a Serial Network Protocol system, these parameters must be set to match the SNP parameters of the PLC.

Baud Rate

Parity

Stop Bits

Modem TT

Idle Time

For multidrop communications, a unique SNP ID is required for each device in the network. A Remote I/O Scanner automatically sets its SNP ID to the form DropXXX

Defaults to 19200 bps. The other choices are 300, 600, 1200, 2400, 4800, and 9600 bits per second.

The number of parity bits added to each word. The default is ODD. You can also choose EVEN and NONE.

All communications use at least 1 stop bit, which is the default. For slower communications, select 2.

The modem turnaround time delay. 1 count = 1/100 second. 0 to 255 counts can be specified. The default is 0.

The maximum communications idle time, which can be 1 to 60 seconds. The default is 10 seconds.

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during the Store operation. XXX stands for a Drop ID of 016 to 254. This can be changed on the SNP ID screen. The last three digits of the SNP ID refer to the Remote I/O Scanner’s Drop ID and cannot be changed directly.

Sweep Control Entries

Most applications will use the default programmer and communications windows times.

Prog W indow

Comm Window

When you complete the Remote I/O Scanner configuration, press the ESC key to return to the Remote Drop rack display.

If A uto I/O Map is turned ON and no lengths have yet been assigned, no I/O map entries appear on this screen, as illustrated below.

Programmer window time. The range is 0 to 255 milliseconds. 10mS is the default.

Communications window time. The range is 0 to 255 milliseconds. 255mS is the default.

If you have assigned a length to any data type, the beginning address for that data type appears in the I/O map:

In the above example, lengths have been assigned to %I, %Q and %AI, but not to %AQ.

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Configure the Modules in the Remote Drop

Configuring modules in a Remote Drop is the the same as configuring modules in the central PLC. First, select a slot:

Use the function keys to select a module type. When the catalog number screen appears, you can either enter a catalog number or use the function keys again to display a list of appropriate modules with their catalog numbers.

A module configuration screen like the following example appears:

Module R eference Address

You can use the module reference address shown, or enter a different one.

Module Characteristics

Some module configuration screens, like the one shown in this example, also list selectable characteristics for that type of module. For this module, they are Interrupt

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Enabled/Disabled, T ransition Positive/Negative, and Input Filter Time. Configure such selectable features as appropriate for your application.

Note

Such module features can only be selected using the Logicmaster 90–70 software. If a remote drop is configured (or reconfigured) using a Genius Hand–held Monitor, the I/O boards in the remote drop will operate in default mode only––optional features cannot be selected.

Return to the Rack Display

After configuring a module, press ESC to return to the Remote Drop rack display .

If A uto I/O Map is ON, the offset in the map determines the offset for the module. This is the reference address displayed on the Remote Drop configuration screen, as shown above. This beginning reference address can be changed on the I/O map (on the Remote I/O Scanner configuration screen, or after module configuration, by responding Y to the prompt).

If Auto I/O Map is OFF, entering a module or changing a reference address does not change the I/O map.

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Entering Additional Modules

Configure the rest of the modules in the Remote Drop in the same way. You can also copy, delete, and undelete module configurations.

Modules of the same type are automatically given the next Reference Address that is available in the remote drop.

Reference Address increments automatically , based on limits for the remote drop.

You can use this address, or change it. If you enter a higher address, the refer ences you skip will remain part of the I/O map (assuming that the module lies within the span of

the I/O map limits). If you skip references, remember that you will be consuming references in both the remote drop and the PLC, and adding to the Genius bus scan time.

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Completing the Remote Drop Configuration

For the example configuration, the Remote Drop rack display looks like this:

The I/O map and references for each module are displayed. When you are finished configuring the modules in the Remote Drop, press ESC. If A uto I/O Map is ON, when you press ESC from the Remote Drop rack configuration

screen as instructed on the previous page, the software prompts:

This Remote Drop’s I/O MAP has been automatically configured: view it? (Y/N)

If A uto I/O Map is OFF, no prompt appears. If you want to save the configuration and return to the bus screen without viewing or

changing the I/O map, enter N. If you want to view or edit the I/O map, enter Y. If Auto I/O Map is OFF, when you press ESC from the Remote Drop rack configuration

screen, the configuration is saved, and the display returns to the bus configuration screen. If you want to view or edit the I/O map, zoom (F10) to the Remote Drop rack configuration screen, then zoom (F10) to the Remote I/O Scanner configuration screen.

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Overlapping addresses

Reference Overlaps

If you have entered a conflicting reference address, the following warning appears:

Overlapping references are permitted in %Q and %AQ. Overlapping references in %I and %AI are not permitted; such a configuration is not valid.

With the next press of any key after the message appears, the configuration is saved to disk. Return to the Remote Drop configuration screens and remove the conflict.

In the example illustrated above, the duplicated references appear on the same screen, so they are easy to locate and correct. If you are not sure where the conflicting references are located, use the Reference View feature. See page 71 for more information about Reference View.

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Changing Reference Addresses and Lengths

The I/O map shows the beginning Reference Address or Length assigned to the Remote I/O Scanner for %I, %Q, %AI, and %AQ data.

You can change any reference address or length in the I/O map. If you change a reference address after entering modules of that data type in the Remote Drop, you can have the software automatically reassign their reference addresses to begin at the new I/O map reference address by responding “Y” at the prompt.

I/O Map base address changed; adjust I/O presently inside map boundaries? (Y/N)

Viewing/Editing the I/O Map

If A uto I/O Map is ON, when you press ESC from the Remote Drop rack configuration screen as instructed on the previous page, enter Y in response to the following prompt if you want to view or edit the I/O map.

This Remote Drop’s I/O Map has been automatically configured, view it? (Y/N)

You can also view and edit the I/O map by returning to the Remote I/O Scanner configuration screen at any time during Remote Drop configuration.

If A uto I/O Map is OFF, when you press ESC from the Remote Drop rack configuration screen, the configuration is saved, and the display returns to the bus configuration screen. If you want to view or edit the I/O map, zoom (F10) to the Remote Drop rack configuration screen, then zoom (F10) to the Remote I/O Scanner configuration screen.

The Logicmaster software will not prevent you from configuring an I/O conflict. Be careful not to enter an address that overlaps the references assigned to other modules.

If any module references are outside the I/O map, the screen displays:

***** NOTE: Configured modules(s) are outside the I/O MAP *****

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Displaying Configured References

If you want to display references configured for the PLC or a Remote Drop, use Reference View. Reference View shows any reference conflicts that have been created.

Viewing PLC References

To see the references in the Remote I/O Scanner’s I/O Map together with the rest of the PLC configuration, select Reference View (shift–F3) from the rack or bus screen. The illustrations below show Reference Views for a system with three Remote I/O Scanners.

%AI

%AQ

Reference Conflicts in the PLC Configuration

The PLC Reference View screens show reference conflicts between modules in the PLC rack(s). Conflicts in the output tables (%Q and %AQ), which are not considered “fatal” conflicts, are indicated with one asterisk. Conflicts in the input tables (%I and %AI) are considered fatal; they are indicated with two asterisks. The illustration above shows a conflict in the Analog Output (%AQ) Table between the I/O maps of two Remote I/O Scanners (Drop IDs 017 and 034).

The PLC Reference View screens do NOT show conflicts among the modules in a Remote Drop. If you want to view the references for a Remote Drop, cursor to the Remote I/O Scanner entry, and press F1 (expand). Or if you want to correct a conflict in the Remote I/O Scanner configuration, cursor to the Remote I/O Scanner entry and press shift–F1 (RACK) or F10 (zoom).

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Drop ID of the

Remote Drop

Reference overlap (fatal)

Remote Drop rack and slot

Viewing Remote Drop References

The Remote Drop Reference View screens show references assigned to individual modules in a Remote Drop, and indicates reference overlaps as well as modules that are outside the Remote I/O Scanners’s I/O Map. Y ou can reach the Remote Drop Reference View Screens by selecting REF VU (shift–F3) while in a Remote Drop configuration, or by selecting Expand (F1) from any PLC Reference View screen while the Remote I/O Scanner entry is highlighted.

Each Remote Drop Reference View screen shows the references of that data type in the I/O Map followed by the references assigned to the modules in the Remote Drop.

Module outside the I/O Map

%AI

%AQ

Reference Conflicts in the PLC Configuration

The Remote Drop Reference View screens show conflicts between modules in the Remote Drop. These conflicts ar e not shown on the PLC configuration Refer ence View . Modules with overlaps are indicated with asterisks. The illustration above shows an overlap in the Remote I/O Scanner’s Discrete Input (%I) Table between the modules in Remote Drop #34, rack 0, slots 2 and 3. If you want to go directly to a configuration screen to correct an overlap, highlight the entry and press F10 (zoom).

Modules Outside the I/O Map

If a module is outside the I/O Map, an exclamation mark (!) appears to the left of its description. In the example above, the output module in slot 7, rack 0 of remote drop #34 has a beginning reference address of %Q00129, but the I/O Map only includes %Q00097–%Q00128.

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Copying, Deleting, and Undeleting

Individual modules in the Remote Drop configuration can be copied, deleted, and undeleted in the same way as modules in the PLC configuration. You can also copy, delete, and undelete Remote I/O Scanners and their remote drop configuration files from the bus level. (A Remote I/O Scanner cannot be copied, deleted, or undeleted from within the Remote Drop rack configuration.)

Copying a Remote Drop Configuration

Once a Remote I/O Scanner has been entered into the PLC configuration, it can be copied to any other location on the Genius bus. The copy will include all modules that are configured for the remote drop, in the same relative rack positions. To copy a remote drop configuration, place the cursor on the Remote I/O Scanner in the bus display and press the Copy key. In the bus display, move the cursor to the bus address for the copy and press Enter. Press ESC to quit Copy mode.

In the copy, the Logicmaster 90–70 software automatically increments the Remote Drop ID and Reference Addresses to the next ones available. The data lengths remain the same. For instance, if the first Remote I/O Scanner has been assigned to use 32 bits of %I memory, the duplicated configuration of the next Remote I/O Scanner would also initially assign %I memory the length of 32 bits.

Fatal overlaps (%I or %AI) cannot be created by a copy.

Deleting a Remote Drop Configuration

To delete a Remote Drop configuration, go to the bus configuration screen and place the cursor on the Remote I/O Scanner. Press DELETE (shift–F4). The screen prompts:

Delete Remote I/O Scanner from bus and corresponding configuration file? (Y/N)

To delete the Remote Drop, press Y. The software retains the most recently–deleted module configuration. If you delete a

Remote Drop, the deleted configuration is saved until you: delete another module, exit PLC configuration, zoom into another Remote Drop, or select another configuration with the CFGSEL key. While it is saved, a deleted Remote Drop configuration can be undeleted as described below.

Undeleting a Remote Drop Configuration

To get back the Remote Drop configuration you have deleted most recently, on the bus configuration screen place the cursor on the intended slot. Press UNDEL (shift–F5). The Remote I/O Scanner reappears in the slot.

A Remote I/O Scanner configuration can only be undeleted once.

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Selecting an Existing Configuration File

The Configuration Select feature can be used to display and select the available configuration files. To use Configuration Select, use the CFGSEL (shift–F6) key from any rack, bus, or Remote Drop rack screen.

You can enter the name of the file (for a Remote Drop, use the format dropXXX, as discussed above), or select it from the list on the screen. When you select a configuration file by pressing the Enter key, that configuration appears on your screen. Rack 0 of the configuration is displayed.

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Storing the Configuration

In addition to storing the central PLC configuration, a remote drop configuration created with Logicmaster 90 software must be stored to each Remote I/O Scanner as described below .

Storing the Configuration to the PLC

Use the Utility functions to store the program folder to the PLC as described in the

Logicmaster 90–70 User’s Manual.

Storing a Remote Drop Configuration

Follow the steps below to store a remote drop configuration to a Remote I/O Scanner.

1. Set up the programmer to communicate with the Remote I/O Scanner.

2. Go to the Program Utility Functions menu.

3. Select F2 ... Store from Programmer to PLC .

4. Press the Enter key. A list of the remote drop configurations in the folder appears:

S T O R E C O N F I G U R A T I O N D A T A

F R O M P R O G R A M M E R T O P L C

SELECT CONFIGURATION FILE TO STORE:

DROP017 DROP 033 DROP034

CUR PLC

<< TO SELECT A CONFIGURATION FILE, CURSOR TO OR TYPE ITS FILE NAME >> << AND PRESS ENTER; USE PGUP/PGDN TO PAGE THROUGH CONFIGURATION >> << FILE NAMES; PRESS ESCAPE TO EXIT. >>

5. Select the configuration file to be stored by typing its filename or selecting it from the list. If the list of filenames is long, you can use the Pg/Up, Pg/Dn, Home and End keys to display other entries.

6. With the filename selected, press Enter again. The screen prompts: I/O scanning will be suspended during STORE; continue store? (Y/N).

7. If you press Y, the configuration is stored.

8. After a successful store, the SNP ID for the Remote I/O Scanner is displayed in the status area at the bottom of the Logicmaster screen.

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Chapter 5 Logicmaster 90 Operation with a Remote

Overview

Drop

This chapter explain how to set up a Logicmaster 90 programmer to communicate with a remote drop. It also describes functional differences in Logicmaster 90 when it is communicating with a remote drop.

A Logicmaster 90–70 programmer can be used to configure and monitor the operation of a remote drop. Either serial or parallel Logicmaster can be used. With the serial version, the connection to the remote drop can be direct or via a multidrop network. With the parallel version, connection to the remote drop must be direct.

Chapter 2 explains how to complete the hardware connection between the programmer and a Remote I/O Scanner. Be sure to follow the grounding instructions for the programmer.

section level 1 1 figure bi level 1 table_big level 1

After starting up the programmer, use the Logicmaster 90 software to specify the type of communications desired. This is explained on the next page. The same setup screen is also used to communicate with remote drop when the programmer is connected at another point on a multidrop network. The status line at the bottom of the programmer screen will identify the device being communicated with.

Whether a direct or multidrop connection is made, the Logicmaster 90 software will function slightly differently than it does with the programmer communicating with the host. The specific differences are described in this chapter.

Page 83

Setting Up Programmer Communications with a Remote Drop

To set up the programmer for remote drop communications, follow these steps:

1. Go to the LM90–70 Programmer Setup Menu:

2. In the Setup Menu, choose F3 ..... Select SNP/P arallel Connections

The following screen appears:

This screen lists the available devices in the network. Each PLC or remote drop on the network should be included here once its SNP ID has been configured.

3. If the remote drop will be part of a multidrop network, enter its SNP ID.

4. Check the current Port Connection method. It should be: A. Parallel: if you want to physically connect a programmer using parallel

Logicmaster 90–70 to a Remote I/O Scanner. A Bus Transmitter Module must be installed in the remote drop to permit connection of the programmer with the parallel version of Logicmaster 90–70.

B. Direct: if you want to physically connect a programmer using serial

Logicmaster 90–70 to a Remote I/O Scanner.

C. Multidrop: if you want to communicate with a remote drop over a multidrop

serial communications network.

Series 90–70 Remote I/O Scanner User’s Manual – July 199278

Page 84

Status Display for a Remote Drop

When the programmer is communicating with the PLC CPU, the status lines at the bottom of the screen display information about the CPU. When communicating with a remote drop, the status lines display information about the Remote I/O Scanner .

The first field identifies the SNP ID for the remote drop. The second shows whether the Remote I/O Scanner is presently running, and scanning the I/O modules in the remote drop.

ID:DROP016 RUN/IOSCAN 7ms FIXED ONLINE L4: ACC: WRITE CONFIG CONFIG EQUAL

ID:DROP033 RUN/IOSCAN 7ms FIXED ONLINE L4: ACC: WRITE CONFIG CONFIG EQUAL

PRG: LESSON CONFIG VALID

REPLACE

The third field shows the current I/O scan time of the Remote I/O Scanner. This is the time required for the Remote I/O Scanner to scan all the I/O modules in the remote drop. The scan cannot be stopped from the programmer.

The fifth field shows the access level of the programmer. When communicating with a remote drop, it is always level 4. It cannot be changed.

79Chapter 5 Logicmaster 90 Operation with a Remote Drop

Page 85

Logicmaster 90 Software, Programmer Differences for a Remote Drop

When used with a remote drop, the features of the programmer are similar to the features used with a Series 90–70 PLC.

Features Not Used for a Remote Drop

Certain programmer features are not used for a remote drop. If you try to select any of those features while the programmer is communicating with the remote drop (either by direct connection, or over a multidrop network), this message

Function not supported by Remote Drop

will appear at the top of the screen.

CPU Configuration F eature Differences

The following differences exist in the CPU Configuration portion of the programming software.

From Remote Drop LM90–70 Folder

Feature

Time–of–Day Clock Time and date reflect the elapsed time since starting

up the remote drop. Date starts at 1–1–90. Time and date cannot be reset with release 3 or earlier versions of Logicmaster 90. The Equal function is not supported by a remote drop, and new values cannot be entered.

Assign SNP ID SNP ID is unique identifier consisting of the drop’s

ID (a number from 016 to 254), following 0–4 alphanumeric characters. If online and communi– cating, initially the Assign SNP ID screen shows DROPxxx, where xxx is the Drop ID. A different name can be substituted, if desired. In offline mode, only asterisks appear .

Memor y Allocation and Point Fault Enable Screen

Fault Category Screen Function is not supported by remote drop.

Function is not supported by remote drop.

(Attached to R emote I/O Scanner)

Series 90–70 Remote I/O Scanner User’s Manual – July 199280

Page 86

Programming Software: Differences for a Remote Drop

The features of the Logicmaster 90–70 software have the differences described below when used with the remote drop (versus normal PLC operation).

Feature From Remote Drop LM90–70 Folder (Attached to

Remote I/O Scanner)

Program Display/Edit When communicating directly with a remote drop,

programmer is NOT EQUAL to PLC. Real–time updates do not occur for the display , and online editing changes cannot occur . PLC programs should not be edited while the remote drop folder is selected.

Refer ence Tables When communicating directly with a remote drop,

%I,%AI, %Q, %AQ, %R, %S, %SA, %SB, and %SC references can be viewed and reference states/values can be toggled. The remote drop contains no information in %L, %M, %T, %P, and %G reference tables.

PLC Control and Status Fault T ables The only function supported is the fault

table displays for the Remote I/O Scanner and I/O modules in the remote drop. Faults can be cleared from the tables. If the Remote I/O Scanner is in Stop/ Faulted mode, clearing faults from these tables may return the module to Run mode.

Programmer Mode and Setup Normal operation. Program Folder Functions Normal operation. Utilities Load to Programmer: Only configurations can be

uploaded from a remote drop. The SNP ID of the remote drop must be assigned already .

Store from Programmer: Only configurations can be stored in the remote drop. The SNP ID of the remote drop must be assigned already .

V erif y with P rogrammer: Only remote drop configuration can be verified against folders in Logicmaster 90–70. The SNP ID of the remote drop must be assigned already.

Clear Memory: Only remote drop configuration can be cleared. The SNP ID of the remote drop must be assigned already.

Configuration Print and Refer ence V iew

Normal operation. Provides details of contents of remote drop. See the Logicmaster 90–70 Softwar e User’s Manual for details.

81Chapter 5 Logicmaster 90 Operation with a Remote Drop

Page 87

Chapter 6 Remote Drop Configuration

with a Hand–held Monitor

section level 1 1 figure bi level 1 table_big level 1

This chapter explains how to configure a Remote I/O Scanner and the I/O modules in a remote drop using a Genius Hand–held Monitor. HHM version 4.0 (IC660HHM501G) or later is required. If the remote drop includes any Analog Expander Modules, Logicmaster 90 must be used for configuration; do not use a Hand–held Monitor.

Note

Do not use a Hand–held Monitor to change a remote drop configuration previously entered from another source, unless you want to replace the entire configuration and reset all module options to their defaults.

Remote drops configured with Logicmaster 90–70 are automatically protected. Please check carefully before removing configuration protection with a Hand–held Monitor.

For Additional Information, Also See:

Chapter 1 for a table comparing the features available with each configuration method. Chapter 4 for Logicmaster 90–70 configuration instructions. Also see chapter 4 for

information about adding configurations created with Release 3 of the Logicmaster software to programs created with Release 4 software.

Appendix C for configuration instructions using Release 3 of the Logicmaster software. The Hand–held Monitor datasheet for basic operating instructions.

Page 88

Overview

A Hand–held Monitor provides automatic configuration of I/O references for a remote drop. The Hand–held Monitor automatically assigns references for the presently–installed Series 90–70 I/O modules only. It does so in ascending order, starting with the slot next to the Remote I/O Scanner. When a remote drop is configured with a HHM, all I/O modules will operate in default mode; module options can only be configured with the Logicmaster 90–70 software.

Configuration selections that are made with the Hand–held Monitor include:

The Device Number of the Remote I/O Scanner.

I/O or register addresses for a Series Six or Series Five PLC.

Baud rate for communicating on the Genius bus.

Series 90–70 data types (%I, %Q, %AI, and %AQ) and lengths for the Remote I/O Scanner.

Remote Drop ID.

Redundancy features.

Configuration protection.

In addition, the Hand–held Monitor will display information about each of the modules present in the remote drop:

A description of the module.

The module’s rack and slot location.

The module’s I/O type (%I, %Q, %AI, or %AQ).

The beginning reference assigned to the module by the Hand–held Monitor.

The module display screens are read–only. Module features and references cannot be selected or changed.

Note

The Hand–held Monitor automatically creates a configuration for a nine–slot rack, regardless of the actual rack size. If the remote drop has a five–slot rack, the Hand–held Monitor will later assume that there are unfilled slots. If this is a problem, Logicmaster 90–70 can be used for configuration, or to edit an automatic configuration done with a Hand–held Monitor. Then, the configuration can be stored to the Remote I/O Scanner .

Series 90–70 Remote I/O Scanner User’s Manual – July 199284

Page 89

When configured with a Hand–held Monitor, the Remote I/O Scanner automatically assigns I/O references to the modules in the remote drop starting with the reference(s) assigned by the user via the Program Block ID screens. The left–most module of each type (%I, %Q, %AI, or %AQ) in the rack receives the first available reference of the appropriate type. The HHM then incrementally assigns references according to the types and locations of modules in the rack, in left–to–right order.

Example

For this remote drop, %I, %Q, %AI, and %AQ references each begin at 0001. There is no requirement that they all start at the same value.

Lef t ' reference values increase ' Right

Rack 0

32–ckt discrete input module: %I0001–%I0032 16–ckt discrete input module: %I0033–%I0048

32–ckt discrete output module: %Q0001–%Q0032

32–ckt discrete input module: %I0049–%I0080

16–ckt discrete output module: %Q0033–%Q0048

8–channel analog input module: %AI0001–%AI0008

8–channel analog input module: %AI0009–%AI0016

4–channel analog output module: %AQ0001–%AQ0004

Scanner

IO 32IN

IO 16IN

IO 32OUT

IO 32IN

IO 16OUT

IO 8AIN

IO 4AOUT

85Chapter 6 Remote Drop Configuration with a Hand–held Monitor

Page 90

Set Up the Hand–held Monitor

1. If the remote drop is connected to an operating bus, the Hand–held Monitor must be the ONLY Hand–held Monitor plugged into any device on the bus.

If the remote drop that is NOT connected to a properly–terminated Genius bus, install a 150Ω terminating resistor across the upper Serial 1 and Serial 2 terminals on the Remote I/O Scanner. The resistor is needed only for off–line communications between the HHM and the Remote I/O Scanner; it should be removed prior to bus installation.

2. Begin with the HHM turned off . Attach it to the upper port on the Remote I/O Scanner.

a44757

HAND HELD

MONITOR

GENIUS

BUS

REMOTE DROP

3. Turn the Hand–held Monitor on. Adjust its baud rate if necessary.

Previously unconfigured Remote I/O Scanners will operate at 153.6 Kbaud standard. You should be aware of the operating baud rate before trying to communicate with the Remote I/O Scanner, and the Hand–held Monitor’s baud rate should be set correspondingly.

After the Hand–held Monitor completes its powerup sequence, the Home menu appears.

4. Be sure the HHM is set up for the type of host that will be controlling the system.

If necessary, go to the HHM Utilities to select the CPU host type.

If the message FUNCTION DISABLED appears, the corresponding HHM option has been disabled. To continue, it will be necessary to change HHM options in the HHM Utilities menu. If the message CONFIG PROTECTED appears, the Remote I/O Scanner configuration has been protected. To continue, it will be necessary to “unprotect” the remote drop’s configuration.

Series 90–70 Remote I/O Scanner User’s Manual – July 199286

Page 91

Display the Configuration Main Menu

To begin remote drop configuration, select F3 (Configuration). The configuration Main Menu appears.

F1:PROG BLOCK ID F2:CONFIG BLOCK F3:COPY CONFIG F4:

From this menu, select Program Block ID (F1) to complete the basic remote drop configuration screens.

After completing these screens, press F2 (Configure Block) to complete the Genius configuration screens, or to display information about the I/O modules in the remote drop.

Select Device Number

for Remote I/O Scanner

For Series Six or Series Five

PLC, select I/O or register

reference address.

Select baud rate

Select data types and lengths

Select a Remote Drop ID

Display modules in the remote

drop (READ ONL Y)

Select bus redundancy *

Select BSM control *

Select bus redundancy *

Select configuration protection *

*Remote I/O Scanner version IC697BEM733B (or later) is required for Genius bus redundancy ,

bus switching operation, or CPU redundancy . A vailability of redundancy features depends on the Bus Controller and host type.

87Chapter 6 Remote Drop Configuration with a Hand–held Monitor

Page 92

Select the Device Number

The first step in configuring any device on a Genius bus is to assign its Device Number (bus address). This is a number from 0 to 31 representing the serial bus address of the device. There are 32 available addresses on a bus. One is needed for the Hand–held Monitor; typically this is Device Number 0. Another is needed for the Bus Controller. Typically, this is Device Number 31. A Remote I/O Scanner is usually assigned a Device Number from 1 to 30. Duplicate Device Numbers disrupt communications and are not permitted.

If a Remote I/O Scanner has a Device Number conflict on an operating bus, it will not scan the modules in the remote drop until the fault is cleared.

The HHM configuration screen appearance depends on the host CPU type configured for the Hand–held Monitor.

Note

HHM Display (PLC Host Mode)

PROG BLOCK ID I/O ?– ?? BLOCK NO. ? ref blk nxt

If the host is a Series 90–70 PLC, the F1 key function (ref) is not displayed.

HHM Display (PCIM Mode)

PROG BLOCK ID __?__ #? BLOCK NO. ? ref nxt

Configuration Steps

1. Press F2 (Block). Then, enter the Device Number (1–30). If you make a mistake, press F2 again, then enter the correct number.

2. Press the F3 (Enter) key. If you are configuring the Remote I/O Scanner on an operating bus, an error message appears if the number has been used for another device. If the Remote I/O Scanner is not online, be sure to assign a unique Device Number, or there will be a Device Number conflict when it is powered up on the bus.

Series 90–70 Remote I/O Scanner User’s Manual – July 199288

Page 93

Select a Series Six or Series Five PLC Reference Address

If the host is a Series Six PLC or Series Five PLC, an I/O or register reference address must be assigned to the Remote I/O Scanner. This is done on the Program Block ID screen. It is also necessary to configure Series 90–70 data types and lengths, as described later in this chapter.

HHM Display (Series Six/Series Five Host CPU Mode)

PROG BLOCK ID I/O ?– ?? BLOCK NO. ? ref blk nxt

Configuration Steps

1. The Reference Address is entered in the same PROG BLOCK ID display. Press F1 (Reference).

2. To select register or I/O memory, press the F2 (Toggle) key to toggle the memory type. With the correct memory type displayed, press F3 (Enter).

If I/O memory is used, the amount required is equal to the number of bits of discrete data PLUS analog data. Each analog reference used consumes 16 points. Data is stored beginning at the assigned I/O reference. In the Input Table, the sequence is: discrete inputs then analog inputs. In the Output Table, the sequence is discrete outputs then analog outputs. This is illustrated in chapter 3.

If register memory is used, an amount is required that is equal to the total number of bytes of input data PLUS all of the output data. Data is stored beginning at the assigned register reference. The sequence is: discrete inputs, then analog inputs, then discrete outputs, and analog outputs last. See chapter 3 for more information.

3. Key in the number of the block’s beginning I/O reference. The Hand–held Monitor will accept any number up to 65,535; the number you enter must be appropriate for the PLC.

4. If you make a mistake entering the number, press F2 (Change), F1 (Reference), then enter the correct number. Press the F3 (Enter) key. The HHM will automatically supply the range of references correct for the block.

89Chapter 6 Remote Drop Configuration with a Hand–held Monitor

Page 94

Select the Baud Rate

Genius bus communications can occur at any of four baud rates: 153.6 Kbaud standard, 153.6 Kbaud extended, 76.8 Kbaud, or 38.4 Kbaud. The default is 153.6 K baud (standard). The Genius I/O System User’s Manual gives guidelines for baud rate selection.

Each device’s communications baud rate must be the same as that used by all other devices on the bus, or the bus will not operate.

HHM Display

SELECT BAUD RATE ACTIVE=153.6K ST PROG =153.6K ST tgl entr nxt

Configuration Steps

1. If the baud rate should be changed, press F2 (toggle). When the desired baud rate appears beside P R O G = , press F3 (enter).

2. If the baud rate is changed on any block that is currently installed on an operating bus, it must be changed on all devices on that bus. After changing the baud rate, you must cycle power at the same time to all devices on the bus to use the new baud rate.

3. Press F4 (nxt) to continue configuring the Remote I/O Scanner.

Series 90–70 Remote I/O Scanner User’s Manual – July 199290

Page 95

Select Series 90–70 Data Lengths

The Remote I/O Scanner must be assigned a starting address and length for one or more of the following data types that will be used by I/O modules in its remote drop:

%I the discrete input table %Q the discrete output table %AI the analog input table %AQ the analog output table

These entries are required whether or not the host CPU is a Series 90–70 PLC. They determine the amount of discrete and analog input data the Remote I/O Scanner will send, and the amount of discrete and analog output data it will accept. They also determine the relative assignments of modules of the same type which are present in the remote drop.

If the host is a Series 90–70 PLC, these selections will usually correspond to the memory assignments made for the remote drop during PLC configuration.

If the host is a Series Six or Series Five PLC, these selections are used only to determine the amounts of data sent and received by the Remote I/O Scanner. F or the PLC to handle the data correctly , a beginning address in I/O Table or Register Memory must also be configured, as described previously .

The lengths selected should include all the I/O circuits or channels in the remote drop. If a data length is too short, modules that overflow the configured limit will not be serviced by the CPU. The Remote I/O Scanner will issue a diagnostic message. The condition is not necessarily a fatal fault.

If the data length selected is longer than currently required, unassigned references will remain at the end of the group. Although these references are not used by an actual I/O board, they are considered to be part of the remote drop’s input or output data. During system operation, the Remote I/O Scanner WILL transmit all %I and %AI references assigned to it, including, under these circumstances, references that are not used by input modules in the remote drop. Similarly, the host WILL send all the %Q and %AQ references assigned to the Remote I/O Scanner, including references that are not used by output modules in the remote drop. This transmission of unassigned references lengthens the bus scan time, so it is not recommended unless the references are needed for future expansion.

91Chapter 6 Remote Drop Configuration with a Hand–held Monitor

Page 96

The next screen that appears is used to assign the data types and lengths.

HHM Display

PROG REMOTE MAP %I ____ LENGTH(PTS) ____ tgl ref send nxt

Configuration Steps

1. To select a data type, press F1 (tgl). In sequence, line 2 will display: %I (discrete input bits), %Q, (discrete output bits), %AI (analog input words), %AQ (analog output words). Pressing F1 (tgl) a fourth time displays the Drop ID configuration screen.

2. With the desired data type displayed, press F2 (ref) to select the beginning Series 90–70 reference for that data type.

3. Press F3 (entr) to enter the desired data length. For %I and %Q, this is a value in discrete bits ( P T S). It must begin on a byte boundary (a number which is 1 more than a multiple of 8, such as 9, 17, or 25). For %AI and %AQ, the length value is in channels ( C H S ), each of which is a 2–byte word.

The lengths entered must not add up to more than 128 bytes of inputs and 128 bytes of outputs. The Hand–held Monitor will check these totals before sending the configuration to the Remote I/O Scanner.

4. Press the F1 (Tgl) key a fourth time to configure a Remote Drop ID as instructed on the next page.

5. After setting up the desired remote I/O map and Remote Drop ID, press the F3 (send) key to download these selections to the Remote I/O Scanner. This causes the Remote I/O Scanner to automatically configure the I/O modules physically present in the remote drop at that time, as shown in chapter 4.

Caution

Pressing the F3 (send) key from this screen causes the Remote I/O Scanner to automatically configure the remote drop. If a configuration was previous entered from any source, this new configuration will REPLACE it if the original configuration is not protected. This can result in changed data lengths and Remote Drop ID. In addition, any module options (such as output defaults, voltage range, and input filter time) previously selected using Logicmaster 90–70 will be replaced with their default settings.

Series 90–70 Remote I/O Scanner User’s Manual – July 199292

Page 97

Select the Remote Drop ID

The same configuration screen is used to assign a Remote Drop ID. A Remote Drop ID is a number between 16 and 254 that allows the Remote I/O Scanner to communicate with serial Logicmaster 90–70 for multidrop programming. The ID distinguishes one remote drop from another. A valid entry must be made on this screen even if the host type is not a Series 90–70 PLC.

When configured from a Hand–held Monitor, the Remote Drop ID is used as part of the “ folder” name, so a configuration stored in the Scanner can later be uploaded to Logicmaster 90–70. The folder name will be DROPxxx, with xxx the Remote Drop ID (016 – 254).

HHM display

PROG REMOTE MAP DROP ID _____

tgl drp send nxt

Configuration Steps

1. Press F2 (drp), then enter a Remote Drop ID between 16 and 254.

2. After entering all the beginning addresses and lengths and a Remote Drop ID, press F3 (send) to transmit this portion of the configuration to the Remote I/O Scanner. When you press F3 (send), the Hand–held Monitor adds up the data lengths to be sure they do not total more than 128 bytes of inputs and 128 bytes of outputs. It also checks for the presence of a Remote Drop ID between 16 and 254. If the entries are correct, the information is sent to the Remote I/O Scanner . Otherwise, an error message appears. After pressing the Clear key, the configuration must be changed to correct the error.

3. Press F4 (next) to return to the Program Block ID screen.

4. To configure remote drop configuration, press the n MENU key to display the configuration menu.

Return to the Configuration Menu

To complete the Genius configuration or display the modules in the remote drop, press F2 (configure block).

F1:PROG BLOCK ID F2:CONFIG BLOCK F3:COPY CONFIG F4:

93Chapter 6 Remote Drop Configuration with a Hand–held Monitor

Page 98

Display I/O Modules in Remote Drop

When you enter the Configure Block screens, the Hand held–Monitor displays the configuration of the first I/O module in the remote drop. An example is shown below .

This is a read–only function; I/O module configuration cannot be changed with the Hand–held Monitor. Note that these displays will indicate the presence of Analog Expander

(16–channel analog), PCM, GDS, ADS, Bus Receiver (BERA), Bus Transmitter (BETA), jumper modules and empty slots, even though none of these can be configured by the Hand–held Monitor.

ID#143 R:0 S:2 32PT 120VAC %I 1 nxt

For each module, the display shows:

the Remote Drop ID (143 in this example)

R: the rack number. For Remote I/O Scanner version IC697BEM733A, this must be rack 0.

S: the module’s slot number

% the module’s I/O type

the beginning I/O reference (in the example above, 1 in the third line represents %I0001).

Pressing F4 (nxt) displays the next module. For example:

ID#143 R:0 S:3 32PT 120VAC %Q 1 nxt

In this example, the module in rack 0, slot 3 is a 32–point output board. Its beginning output reference is %Q0001.

If a slot is not occupied, the HHM displays:

ID#143 R:0 S:4 EMPTY SLOT

nxt

Press F4 (nxt) to continue going through the module screens.

Series 90–70 Remote I/O Scanner User’s Manual – July 199294

Page 99

Select Genius Bus Redundancy

After the last module display screen, the Hand–held Monitor displays the redundancy configuration screens for the Remote I/O Scanner.

The first of these indicates whether or not the Remote I/O Scanner will be located on a dual bus or bus stub.

The default configuration for BSM Present is NO. It should be set to YES if the Remote I/O Scanner will be used as a bus switching device itself, or located on a bus stub downstream of another device (Remote I/O Scanner or Bus Switching Module attached to a Genius block) that acts as a bus switching device.

HHM Display

BSM PRESENT ? STATUS =NO

tgl entr nxt

Configuration Steps

1. If the selection should be changed, press F2 (tgl). Press F3 (entr).

2. Press F4 (nxt) to display the next configuration screen.

Select BSM Control

The next HHM menu is used to specify whether or not the Remote I/O Scanner will act as the bus switching device, capable of switching between Bus A and Bus B in a dual Genius bus system. Remote I/O Scanner version IC697BEM733B or later is required to use this feature. Select YES if this Remote I/O Scanner is to be the bus switching device. Default is NO.

HHM Display

BSM CONTROLLER STATUS =NO

tgl entr nxt

Configuration Steps

1. If the selection should be changed, press F2 (tgl). Press F3 (entr).

2. Press F4 (nxt) to display the next configuration screen.

95Chapter 6 Remote Drop Configuration with a Hand–held Monitor

Page 100

Select CPU Redundancy

If the remote drop will be used on the same bus with two controllers (PLCs or host computers), each of which will send it outputs, the Remote I/O Scanner must be set up for CPU Redundancy . For a new Remote I/O Scanner as shipped from the factory , this feature is not enabled. Remote I/O Scanner version IC697BEM733B or later is required to use this feature.

The two types of CPU Redundancy, Hot Standby and Duplex, are described below. For both types of CPU redundancy, inputs and diagnostics are automatically made available to both CPUs.

If the remote drop contains any analog modules, the only form of CPU redundancy permitted is Hot Standby . The Hand–held Monitor will permit selection of either type of CPU redundancy. Do not select Duplex if ther e are any analog modules in the r emote drop.

Hot Standby CPU Redundancy

A device configured for Hot Standby redundancy receives outputs from both CPUs. It is normally controlled by Device Number 31. If no outputs are available from Device Number 31 for a period of three bus scans, the outputs are immediately controlled by Device Number 30. If outputs are not available from either Device Number 30 or 31, outputs go to their configured default or hold their last state. In Hot Standby redundancy, Device Number 31 always has priority, so that when Device Number 31 is on–line, the device always gives it control of the outputs.

Duplex CPU Redundancy

In Duplex mode, a device receives outputs simultaneously from both Device Number 30 and 31. The device compares the outputs. If corresponding outputs are the same, the device sets the output to that state. If corresponding outputs are not the same, the device will set the output to its configured ON or OFF Duplex Default State, which must be configured for all outputs in the remote drop. If either Device Number 30 or 31 stops sending outputs to a device, its outputs are directly controlled by the remaining device. Only discrete devices can operate in Duplex r edundancy mode. If both 30 and 31 stop sending outputs, the outputs in the remote drop either default to their programmed default state (not the Duplex Default State), or hold their last state, as configured.

HHM Display

CPU REDUNDANCY NO CNTL REDUN

tgl entr nxt

Configuration Steps

1. If the selection should be changed, press F2 (tgl). Press F3 (entr).

2. Press F4 (nxt) to display the next configuration screen.

Series 90–70 Remote I/O Scanner User’s Manual – July 199296

GE GFK0579B User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Chapter 1 Introduction

Overview

Module Description

Required Equipment

Parts of a Remote Drop

Genius Bus

Timing

Number of R emote Drops on a Bus

Redundancy

Configuration

Configurable Features

Configuration Protection

Chapter 2 Installation

Hardware Packaging

Preinstallation Check

System Grounding Procedures

Rack Installation

Power Supply Installation

Module Locations

Module Installation and Removal

Field Wiring to I/O Modules

Multiple Racks in a Remote Drop

Genius Bus Connections: Single Bus Cable

Genius Bus Connections: Dual Bus Cables

Programmer Connection at the Remote I/O Scanner

Multidrop Connections

Chapter 3 Remote I/O Scanner Operation

Overview

I/O Scan

I/O Scanner Memory

Data Transfer with the Host

Update Rate

Outputs from the Host to a Remote Drop

Output Defaults

Configuring Extra References

Using Option Modules in a Remote Drop

Chapter 4 Configuration with Logicmaster 90–70

Configuration Limits

Filenames for Configuration Files

Using R elease 3 Configuration Files with Release 4 Software

“Attaching” Configuration Files

Configuring a Remote Drop

Adding a Remote I/O Scanner to the Bus

Bus Scan Time Impact

Configure the Modules in the Remote Drop

Completing the Remote Drop Configuration

Reference Overlaps

Changing Reference Addresses and Lengths

Displaying Configured References

Viewing PLC References

Viewing Remote Drop References

Copying, Deleting, and Undeleting

Copying a Remote Drop Configuration

Deleting a Remote Drop Configuration

Undeleting a Remote Drop Configuration

Selecting an Existing Configuration File

Storing the Configuration

Storing the Configuration to the PLC

Storing a Remote Drop Configuration

Overview

Setting Up Programmer Communications with a Remote Drop

Status Display for a Remote Drop

Logicmaster 90 Software, Programmer Differences for a Remote Drop

Overview

Set Up the Hand–held Monitor

Display the Configuration Main Menu

Select the Device Number

Select a Series Six or Series Five PLC Reference Address

Select the Baud Rate

Select Series 90–70 Data Lengths

Select the Remote Drop ID

Display I/O Modules in Remote Drop

Select Genius Bus Redundancy

Select BSM Control

Select CPU Redundancy