ProSoft Technology 3170-PDP User Manual

3170-PDP

FLEX Platform

FLEX I/O™ PROFIBUS Adapter

User Manual

August 23, 2007

Please Read This Notice

Successful application of this module requires a reasonable working knowledge of the Rockwell Automation hardware, the 3170-PDP Module and the application in which the combination is to be used. For this reason, it is important that those responsible for implementation satisfy themselves that the combination will meet the needs of the application without exposing personnel or equipment to unsafe or inappropriate working conditions.

This manual is provided to assist the user. Every attempt has been made to assure that the information provided is accurate and a true reflection of the product's installation requirements. In order to assure a complete understanding of the operation of the product, the user should read all applicable Rockwell Automation documentation on the operation of the Rockwell Automation hardware.

Under no conditions will ProSoft Technology be responsible or liable for indirect or consequential damages resulting from the use or application of the product.

Reproduction of the contents of this manual, in whole or in part, without written permission from ProSoft Technology is prohibited.

Information in this manual is subject to change without notice and does not represent a commitment on the part of ProSoft Technology Improvements and/or changes in this manual or the product may be made at any time. These changes will be made periodically to correct technical inaccuracies or typographical errors.

Solid state equipment has operational characteristics differing from those of electromechanical equipment. "Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls" (Publication SGI-1.1) describes some important differences between solid state equipment and hard-wired electromechanical devices. Because of this difference, and also because of the wide variety of uses for solid state equipment, all persons responsible for applying this equipment must satisfy themselves that each intended application of this equipment is acceptable.

The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many variables and requirements associated with any particular installation, ProSoft Technology, Inc. cannot assume responsibility or liability for actual use based on the examples and diagrams.

No patent liability is assumed by ProSoft Technology, Inc. with respect to use of information, circuits, equipment, or software described in this manual.

Throughout this manual we use notes to make you aware of safety considerations.

ATTENTION: Identifies information about practices or circumstances that can lead to personal injury or death, property damage, or economic loss.

Attentions help you:

 identify a hazard  avoid the hazard  recognize the consequences

Important: Identifies information that is especially important for successful application and understanding of the product.

Microsoft is a registered trademark of the Microsoft Corporation. Windows is a trademark of the Microsoft Corporation. FLEX I/O and PLC-5 are trademarks of the Rockwell Automation Company, Inc. PROFIBUS is a trademark of the PROFIBUS User Organization

Your Feedback Please

We always want you to feel that you made the right decision to use our products. If you have suggestions, comments, compliments or complaints about the product, documentation or support, please write or call us.

ProSoft Technology

1675 Chester Avenue, Fourth Floor Bakersfield, CA 93301 +1 (661) 716-5100 +1 (661) 716-5101 (Fax)

http://www.prosoft-technology.com

3170-PDP User Manual August 23, 2007 PSFT.PDP.3170.UM.07.08.23

ProSoft Technology ®, ProLinx ®, inRAx ®, ProTalk® and RadioLinx ® are Registered Trademarks of ProSoft Technology, Inc.

Contents 3170-PDP ♦ FLEX Platform FLEX I/O™ PROFIBUS Adapter

Contents

PLEASE READ THIS NOTICE.............................................................................................................................. 2

Your Feedback Please ...................................................................................................................................... 3

1 ABOUT THIS USER MANUAL..................................................................................................................... 9

1.1 Purpose ................................................................................................................................................... 9

1.2 Vocabulary............................................................................................................................................... 9

1.3 Publication references ............................................................................................................................. 9

1.4 Related Publications ................................................................................................................................ 9

1.5 Compliance to European Union Directives .............................................................................................10

1.5.1 EMC Directive ...............................................................................................................................10

2 OVERVIEW OF FLEX I/O AND YOUR PROFIBUS ADAPTER MODULE..................................................11

2.1 The FLEX I/O System.............................................................................................................................11

2.2 Mount and Remove your System Easily .................................................................................................12

2.3 Optional Accessories..............................................................................................................................13

2.3.1 Extender Cables (1794-CE1 or -CE3)...........................................................................................13

2.3.2 Mounting Kit (1794-NM1) ..............................................................................................................14

2.3.3 Mounting Dimensions and Spacing Requirements........................................................................15

2.4 Purpose of the 3170-PDP.......................................................................................................................16

2.5 PROFIBUS Adapter Components...........................................................................................................17

2.5.1 Diagnostic Indicators.....................................................................................................................17

2.5.2 Network Connector........................................................................................................................17

2.5.3 Setting the Node Address Switches ..............................................................................................18

2.5.4 Power Wiring.................................................................................................................................18

3 HOW COMMUNICATION TAKES PLACE AND I/O IMAGE TABLE MAPPING........................................19

3.1 Polled I/O Structure.................................................................................................................................20

3.1.1 Adapter Input Status Word ............................................................................................................20

3.2 Mapping Data into the Image Table........................................................................................................22

3.2.1 1794-IB16 – 16-point Discrete Input Module Image Table Mapping..............................................23

3.2.2 1794-OB16 – 16-point Discrete Output Module Image Table Mapping .........................................24

3.2.3 1794-IB8S – 8-point Discrete Sensor Input Module Image Table Mapping...................................25

3.2.4 1794-IA8 – 8-point Discrete Input Module Image Table Mapping .................................................26

3.2.5 1794-OA8 – 8-point Discrete Output Module Image Table Mapping .............................................27

3.2.6 1794-OW8 – 8-point Discrete Relay Output Module Image Table Mapping..................................27

3.2.7 1794-IE8 – 8 Input Analog Module................................................................................................28

3.2.8 1794-OE4 – 4 Output Analog Module Image Table Mapping........................................................30

3.2.9 1794-IE4XOE2 – Analog Combo Module Image Table Mapping ..................................................33

3.2.10 1794-IR8 – RTD Input Analog Module Image Table Mapping .......................................................35

3.2.11 1794-IT8 – Thermocouple Input Module Image Table Mapping....................................................38

3.2.12 1203-FM1 – SCANport Module Image Table Mapping..................................................................41

3.3 Connection Status Word Definition.........................................................................................................42

3.4 Logic Status/Analog Feedback Definition ...............................................................................................42

3.5 Connection Enable Word Definition........................................................................................................42

3.6 Logic Command/Analog Reference Definition........................................................................................42

3.7 Defaults...................................................................................................................................................43

4 CONNECT THE ADAPTER TO THE PROFIBUS DP NETWORK..............................................................45

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4.1 The DP Physical Layer ...........................................................................................................................45

4.2 Cabling and Equipment Required for Line A Type..................................................................................46

4.2.1 Cables...........................................................................................................................................46

4.2.2 T-junction Connectors ...................................................................................................................46

4.2.3 Termination Blocks........................................................................................................................46

4.2.4 Bus Connector ..............................................................................................................................46

4.3 Cabling and Equipment Required for Line B Type..................................................................................47

4.3.1 Cables...........................................................................................................................................47

4.3.2 T-junction Connectors ...................................................................................................................47

4.3.3 Termination Blocks........................................................................................................................47

4.3.4 Bus Connector ..............................................................................................................................47

4.4 Connect the Adapter to the Network.......................................................................................................48

4.4.1 Connect to the Adapter .................................................................................................................48

4.5 Terminate the Network ...........................................................................................................................49

4.5.1 Terminate at the Adapter Using Line A .........................................................................................49

4.5.2 Terminate at the Adapter Using Line B .........................................................................................49

5 CONFIGURE THE ADAPTER FOR MASTER/SLAVE COMMUNICATION................................................51

5.1 How Master/Slave Communication Takes Place....................................................................................51

5.2 Entering User Parameter Data ...............................................................................................................52

5.2.1 User Parameter Data ....................................................................................................................52

5.2.2 Auto Configure Format..................................................................................................................53

5.2.3 Condensed Format .......................................................................................................................54

5.2.4 Entering Check Configuration Data...............................................................................................58

5.3 Read Configuration Response Data .......................................................................................................60

5.4 Configuration Example Using PROFIBUS Manager Software................................................................61

6 TROUBLESHOOTING.................................................................................................................................65

6.1 What this Chapter Contains....................................................................................................................65

6.2 Troubleshooting with the Indicators........................................................................................................65

6.3 Configuration differences between 1794-APB and 3170-PDP................................................................67

6.3.1 User parameter data for 1794-APB:..............................................................................................68

6.3.2 User parameter data for 3170-PDP:..............................................................................................68

7 REFERENCE...............................................................................................................................................69

7.1 Product Specifications ............................................................................................................................69

7.2 Device Data Base File ............................................................................................................................70

8 GLOSSARY...............................................................................................................................................131

9 PROSOFT TECHNOLOGY, INC., SUPPORT, SERVICE & WARRANTY................................................141

9.1 How to Contact Us: Sales and Support ................................................................................................142

9.2 Return Material Authorization (RMA) Policies and Conditions..............................................................143

9.2.1 All Product Returns .....................................................................................................................143

9.3 Procedures for Return of Units Under Warranty...................................................................................143

9.4 Procedures for Return of Units Out of Warranty...................................................................................144

9.4.1 Un-repairable Units .....................................................................................................................144

9.4.2 Purchasing Warranty Extension..................................................................................................145

9.5 LIMITED WARRANTY..........................................................................................................................145

9.5.1 What Is Covered By This Warranty.............................................................................................145

9.5.2 What Is Not Covered By This Warranty ......................................................................................146

9.5.3 DISCLAIMER REGARDING HIGH RISK ACTIVITIES................................................................147

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9.5.4 DISCLAIMER OF ALL OTHER WARRANTIES...........................................................................147

9.5.5 LIMITATION OF REMEDIES**....................................................................................................147

9.5.6 Time Limit for Bringing Suit .........................................................................................................147

9.5.7 No Other Warranties ...................................................................................................................148

9.5.8 Intellectual Property.....................................................................................................................148

9.5.9 Additional Restrictions Relating To Software And Other Intellectual Property.............................148

9.5.10 Allocation of risks ........................................................................................................................148

9.5.11 Controlling Law and Severability .................................................................................................149

INDEX.................................................................................................................................................................151

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About this User Manual 3170-PDP ♦ FLEX Platform FLEX I/O™ PROFIBUS Adapter

1 About this User Manual

In This Chapter

¾ Purpose.................................................................................... 9

¾ Vocabulary ............................................................................... 9

¾ Publication references.............................................................. 9

¾ Related Publications ................................................................ 9

¾ Compliance to European Union Directives............................. 10

1.1 Purpose

Use this manual to install and configure your FLEX I/OTM PROFIBUS Adapter, cat. no. 3170-PDP.

1.2 Vocabulary

In this manual, we refer to:

 the FLEX I/O PROFIBUS adapter module as the "adapter"  the programmable controller as the "processor"

1.3 Publication references

All publications this document refers to are Rockwell Automation publications.

1.4 Related Publications

For additional information on planning and installing your PROFIBUS system using FLEX I/O modules, refer to the following publications:

Catalog Number

3170-PDP 24V dc PROFIBUS Adapter Installation Instructions 801.09 1794-TB2 1794-TB3 1794-TBN Terminal Base Unit Installation Instructions 1794-5.16 1794-TBNF Fused Terminal Base Unit Installation Instructions 1794-5.17 1794-PS1 Power Supply Installation Instructions 1794-5.35 1794-IB16 24V dc 16 Input Module Installation Instructions 1794-5.4

Description

2-wire Terminal Base 3-wire Terminal Base

Related Publications Pub. Type Pub. Number

Installation Instructions 1794-5.2

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Catalog Number

1794-OB16 24V dc 16 Output Module Installation Instructions 1794-5.3 1794-IR8

1794-IT8

1794-IE8

1794-OE4

1794IE4XOE2

1794-IB8S 24V dc Sensor Input Module Installation Instructions 1794-5.7 1794-IA8 120V ac 8 Input Module Installation Instructions 1794-5.9 1794-OA8 120V ac 8 Output Module Installation Instructions 1794-5.10 1794-OW8 24V dc 8 Relay Output Module Installation Instructions 1794-5.19 1794-CE1 Extender Cable Installation Instructions 1794-5.12 1794-NM1 Mounting Kit Installation Instructions 1794-5.13

Description

24V dc RTD Analog 8 Input Module

24V dc Thermocouple Analog 8 Input Module

24V dc Selectable Analog 8 Input Module

24V dc Selectable Analog 4 Output Module

24V dc 4 Input/2 Output Analog Combo Module

Related Publications Pub. Type Pub. Number

Installation Instructions User Manual Installation Instructions User Manual Installation Instructions User Manual Installation Instructions User Manual Installation Instructions User Manual

1794-5.22 1794-6.5.4 1794-5.21 1794-6.5.7 1794-5.6 1794-6.5.2 1794-5.5 1794-6.5.2 1794-5.15 1794-6.5.2

To order these publications, contact your local Rockwell Automation representative.

1.5 Compliance to European Union Directives

If this product has the CE mark it is approved for installation within the European Union and EEA regions. It has been designed and tested to meet the following directives.

1.5.1 EMC Directive

This product is tested to meet Council Directive 89/336/EEC Electromagnetic Compatibility (EMC) and the following standards, in whole or in part, documented in a technical construction file:

 EN 50081-2EMC – Generic Emission Standard, Part 2 – Industrial

Environment

 EN 50082-2EMC – Generic Immunity Standard, Part 2 – Industrial

Environment

This product is intended for use in an industrial environment.

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Overview of FLEX I/O and Your PROFIBUS Adapter Module 3170-PDP ♦ FLEX Platform FLEX I/O™ PROFIBUS Adapter

2 Overview of FLEX I/O and Your PROFIBUS

Adapter Module

In This Chapter

¾ The FLEX I/O System ............................................................ 11

¾ Mount and Remove your System Easily ................................ 12

¾ Optional Accessories ............................................................. 13

¾ Purpose of the 3170-PDP ......................................................16

¾ PROFIBUS Adapter Components.......................................... 17

This chapter describes

 what the FLEX I/O system is and what it contains  how to mount and remove your system easily  optional accessories  mounting dimensions and spacing requirements  3170-PDP  adapter components  how to connect power wiring

2.1 The FLEX I/O System

FLEX I/O is a small, modular I/O system for distributed applications that performs all of the functions of rack-based I/O. The FLEX I/O system contains the following components:

 PROFIBUS adapter/power supply - powers the internal logic for as many as

eight I/O modules

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 terminal base - contains a terminal strip to terminate wiring for two- or three-

wire devices

 I/O module - contains the bus interface and circuitry needed to perform

specific functions related to your application

For information on how communication occurs over the FLEX I/O system backplane, refer to Chapter 2.

You can horizontally or vertically mount the FLEX I/O system on a standard DIN rail. The adapter and terminal base easily snap on the DIN rail by hand. Refer to the installation instructions shipped with these components.

2.2 Mount and Remove your System Easily

Screw holes are also provided to horizontally or vertically panel-mount your system in an enclosure. To panel-mount your FLEX I/O system, use the optional mounting kit (1794-NM1).

An example of a DIN-rail mounted system is shown below.

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2.3 Optional Accessories

2.3.1 Extender Cables (1794-CE1 or -CE3)

Use the optional 1794-CE1 (0.3m) or -CE3 (0.9m) extender cable (one per system) to arrange your system in two rows or split your system into horizontal and vertical orientation.

ATTENTION: This cable can only be used between I/O modules. Do not use between the adapter and I/O modules. Do not use more than one cable per system.

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2.3.2 Mounting Kit (1794-NM1)

Use the optional 1794-NM1 mounting kit to mount your system on a panel or wall without a DIN rail.

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2.3.3 Mounting Dimensions and Spacing Requirements

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2.4 Purpose of the 3170-PDP

The 3170-PDP is a FLEX I/O adapter that interacts with the FLEX I/O backplane and any PROFIBUS DP master/scanner controller on a PROFIBUS DP network.

The 3170-PDP module is a slave device to the DP master/scanner, and is a master controller of the FLEX I/O system where it is installed.

The I/O data exchange occurs as follows: Output data is sent from the DP master/scanner controller across the PROFIBUS DP network to the 3170-PDP adapter. The adapter then automatically transfers the data across the FLEX I/O backplane to the output modules. Inputs from the input modules are collected by the FLEX I/O adapter via the backplane and sent across the PROFIBUS DP network to the DP master/scanner controller.

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2.5 PROFIBUS Adapter Components

The adapter module consists of the following components:

 two diagnostic indicators  PROFIBUS DP network connector  24V dc power wiring connection terminals  two node address switches

2.5.1 Diagnostic Indicators

Diagnostic indicators are located on the front panel of the adapter module. They show both normal operation and error conditions in your FLEX I/O system. The indicators are:

 Device status (STATUS)  Communication link status (PROFIBUS)

Upon power-up, the adapter goes to an initialization state and performs a selftest (memory check, data memory clear. The indicators also go through a selftest sequence. If a failure occurs, the adapter transitions to a faulted state and waits for reset (cycle power). Otherwise, the adapter begins monitoring the network (run state) for messages.

Chapter 5 describes the diagnostic indicators and how to use them for troubleshooting.

2.5.2 Network Connector

Use the 9-pin D-shell connector to connect your adapter to the PROFIBUS network.

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2.5.3 Setting the Node Address Switches

Set the node address using the 2-position thumbwheel switch. Valid settings range from 01 to 99. Use a pen to press either the + or - buttons to change the number.

2.5.4 Power Wiring

Connections are provided for connecting the required 24V dc power to the front of the module. The power wiring can be daisy-chained to the terminal base unit located next to the adapter to supply power to the module installed in that base unit.

Refer to the Installation Instructions (pub. no. 801.09) you received with your adapter to learn how to install and wire the adapter.

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How Communication Takes Place and I/O Image Table Mapping 3170-PDP ♦ FLEX Platform FLEX I/O™ PROFIBUS Adapter

3 How Communication Takes Place and I/O

Image Table Mapping

In This Chapter

¾ Polled I/O Structure................................................................ 20

¾ Mapping Data into the Image Table .......................................22

¾ Connection Status Word Definition ........................................42

¾ Logic Status/Analog Feedback Definition............................... 42

¾ Connection Enable Word Definition .......................................42

¾ Logic Command/Analog Reference Definition ....................... 42

¾ Defaults.................................................................................. 43

In this chapter, you will learn about:  communication over the FLEX I/O backplane (between the PROFIBUS

adapter and the I/O modules)

 how data is mapped into the I/O image table One 3170-PDP PROFIBUS adapter can interface with up to eight terminal base

units with installed FLEX I/O modules, forming a FLEX I/O system of up to eight slots. The adapter communicates to other network system components over the PROFIBUS network. The adapter communicates with its I/O modules over the backplane.

Network

PROFIBUS Adapter

I/O Module

Inputs

Read

Write

Status

Outputs

Configuration

Slot 1

Write Words

Read Words

I/O Module

Inputs

Status

Outputs

Configuration

Slot 2

I/O Module

Inputs

Status

Outputs

Configuration

Slot 8

The I/O map for a module is divided into read words and write words. Read words consist of input and status words, and write words consist of output and configuration words. The number of read words or write words can be 0 or more. The length of each I/O module's read words and write words vary in size depending on module complexity. Each I/O module will support at least 1 input word or 1 output word. Status and configuration are optional, depending on the module.

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For example, a 16 point discrete input module will have up to 2 read words and 1 write word.

16-point Discrete Input Module

Refer to the I/O map for each module for the exact mapping.

3.1 Polled I/O Structure

The first word of output data sent by the adapter is the Adapter Status Word. Output data is received by the adapter in the order of the installed I/O modules. The Output data for Slot 1 is received first, followed by the Output data for Slot 2, and so on up to slot 8. All bits in the output status word are reserved

The first word of input data sent by the adapter is the Adapter Status Word. This is followed by the input data from each slot, in the order of the installed I/O modules. The Input data from Slot 1 is first after the status word, followed by Input data from Slot 2, and so on up to slot 8.

PROFIBUS Adapter

Adapter Status Slot 1 Input Data

Network READ

Slot 2 Input Data

... ...

Slot 8 Input Data

Read Data

Write Data

I/O Image Input Size

1 or 2 Words

Output Size 0 or 1 Word

Module Image

Inputs

Not used

Delay

Time

Delay

Time

Read

Write

I/O Module

Slot 1

I/O Module

Slot 2

...

I/O Module

Slot 8

Adapter Status

Slot 1 Output Data

Network WRITE

Slot 2 Output Data

...

Slot 8 Output Data

3.1.1 Adapter Input Status Word

The input status word consists of:  I/O module fault bits – 1 status bit for each slot

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How Communication Takes Place and I/O Image Table Mapping 3170-PDP ♦ FLEX Platform FLEX I/O™ PROFIBUS Adapter

 node address changed – 1 bit

The adapter input status word bit descriptions are shown in the following table.

Bit Description Bit Explanation

I/O Module Fault

9 This bit is set (1) when an error is detected in slot position 2. 10 This bit is set (1) when an error is detected in slot position 3. 11 This bit is set (1) when an error is detected in slot position 4. 12 This bit is set (1) when an error is detected in slot position 5. 13 This bit is set (1) when an error is detected in slot position 6. 14 This bit is set (1) when an error is detected in slot position 7. 15 This bit is set (1) when an error is detected in slot position 8. Reserved 1 to 7 Reserved Node Address

Changed

8 This bit is set (1) when an error is detected in slot position 1.

This bit is set (1) when the node address switch setting has been changed since power up.

Possible causes for an I/O module fault are:

 transmission errors on the FLEX I/O backplane  a failed module  a module removed from its terminal base  incorrect module inserted in a slot position  the slot is empty

The node address changed bit is set when the node address switch setting has been changed since power up. The new node address does not take affect until the adapter has been powered down and then powered back up. Until this power cycling occurs, the node address switches will not match the actual node address.

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3.2 Mapping Data into the Image Table

All FLEX I/O modules in the following table are supported by the PROFIBUS adapter. Presently, these consist of:

Module Description Catalog Number

AC Modules 1794-IA8 1794-IA8I 1794-IA16 1794-OA8 1794-OA8I 1794-OA16 1794-IM8 1794-OM8 DC Modules 1794-IB8 1794-IB8S 1794-IB16 1793-IB16/A, S/A 1794-IV16 1793-IV16/A, S/A 1794-OB8 1794-OB16 1794-OB16P 1793-OB16P/A, S/A 1794-OV16 1794-OV16P 1793-OV16P/A, S/A 1794-OB8EP 1794-IB10XOB6 1794-IC16 1794-OC16 1793-IB4(S) 1793-OB4P(S) 1793-IB2XOB2P(S) 1794-IB32/A 1794-OB32P 1794-IB16XOB16P Analog Modules 1794-IE8 1794-OE4 1794-IE4XOE2 1793-IE4(S) 1793-OE2(S) 1793-IE2XOE1(S)

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FLEX I/O™ PROFIBUS Adapter

Module Description Catalog Number

Isolated Analog Modules 1794-IF4I 1794-OF4I 1794-IF2XOF2I Relay Modules 1794-OW8 1793-OW4(S) Special Modules 1794-IR8 1794-IRT8 1794-IT8 1794-IJ2 1794-ID2 1794-IP4 1203-FM1 Bentley Nevada Autoc BN 1701-15 Rad Vib Mon BN 1701-15 Thrust Mon BN 1701-25 Vel In Mon BN 1701-25 Acc In Mon

The following topics show typical examples from Rockwell Automation product literature.

3.2.1 1794-IB16 – 16-point Discrete Input Module Image Table Mapping

I/O Image

Input Size

1 or 2 Words

Read

Output Size

0 or 1 Word

rite

1794-IB16 Memory Map

Decimal Bit

Octal Bit 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00 Read

Where D = Input Data (D0 corresponds to input 0, D1 corresponds to input 1, etc. DT = Input Delay Time (DT 00 to 11 corresponds to inputs 0 thru 11; DT 12 to 15 corresponds to

inputs 12 thru 15)

15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Size

D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Read

Not used Read

Not used DT 12 to

Module Image

Inputs

Not used

Delay Time

DT 00 to 11 Write

Words

Word 1

Word 2

Word 1

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1794-IB16 Input Delay Times

Bits Description Selected Delay Time

02 01 00 Delay Time for Inputs 00 to 11 05 04 03 Delay Time for Inputs 12 to 15 0 0 0 Delay Time 0 (default) 512µs 0 0 1 Delay Time 1 1ms 0 1 0 Delay Time 2 2ms 0 1 1 Delay Time 3 4ms 1 0 0 Delay Time 4 8ms 1 0 1 Delay Time 5 16ms 1 1 0 Delay Time 6 32ms 1 1 1 Delay Time 7 64ms

3.2.2 1794-OB16 – 16-point Discrete Output Module Image Table Mapping

I/O Image

Input Size

0 or 1 Word

Read

1 or 2 Words

Write

Output Size

Module Image

Not used

Outputs

Not used

1794-OB16 Memory Map

Decimal Bit

Octal. Bit 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00 Read

Where O = Output value (O0 corresponds to output 0, O1 corresponds to output 1, etc.)

15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Size

Words

Not used Read

Word 1

O15 O14 O13 O12 O11 O10 O9 O8 O7 O6 O5 O4 O3 O2 O1 O0 Write

Word 1

Not used Write

Word 2

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3.2.3 1794-IB8S – 8-point Discrete Sensor Input Module Image Table

Mapping

I/O Image

Input Size

Read

1 or 2 Words

Output Size

Write

0 or 1 Word

Status

1794-IB8S Memory Map

Decimal Bit

Octal Bit 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00 Read Words

Where S = Status of input (where S1 corresponds to the diagnostic bit for input 1, S2 corresponds to the diagnostic bit for input 2, etc.) D = Input Data (where D0 corresponds to input 0, D1 corresponds to input 1, etc. DT = Input Delay Time (where DT 00 to 11 corresponds to inputs 0 thru 11; DT 12 to 15 corresponds to inputs 12 thru 15. The delay time for 00 to 11 must be the same as the delay time for 12 to 15.

15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Size

S7 S6 S5 S4 S3 S2 S1 S0 D7 D6 D5 D4 D3 D2 D1 D0 Read Word 1 Not used Read Word 2 Not used DT 12 to 15 DT 00 to 11 Write Word 1

Smart Sensor

Bits 08 to 15

Standard Sensor Bits 08 to 15

S = Diagnostic data – 1 = Fault present (Smart)

0 = Normal (no errors)

S = Diagnostic data – 1 = Diagnostics not disabled

0 = Normal (Disabled)

Module Image

Not used

Bits 00 to

Inputs

Delay

Time

Delay

Time

D = Input data 1 = Sensor on 0 = Sensor off

1794-IB8S Input Delay Times

Bits Description Selected Delay Time

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3.2.4 1794-IA8 – 8-point Discrete Input Module Image Table Mapping

I/O Image

Input Size

Read

1 or 2 Words

Output Size

0 or 1 Word

rite

Not used

1794-IA8 Memory Map

Decimal Bit

Octal Bit 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00 Read Words

Where D = Input Data (where D0 corresponds to input 0, D1 corresponds to input 1, etc. DT = Input Delay Time (where DT 00 to 07 corresponds to inputs 0 thru 7)

15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Size

Not used D7 D6 D5 D4 D3 D2 D1 D0 Read Word 1 Not used Read Word 2 Not used Write Word 1

Module Image

Not used

Inputs

Delay

Time

1794-IA8 Input Delay Times

Bits Description Maximum Delay Time

02 01 00

0 0 0 Delay Time 0 (default) 8.6ms 26.6ms 0 0 1 Delay Time 1 9ms 27ms 0 1 0 Delay Time 2 10ms 28ms 0 1 1 Delay Time 3 12ms 30ms 1 0 0 Delay Time 4 17ms 35ms 1 0 1 Delay Time 5 26ms 44ms 1 1 0 Delay Time 6 43ms 61ms 1 1 1 Delay Time 7 78ms 96ms

Delay Time for Inputs 00 to 07

Off to On On to Off

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3.2.5 1794-OA8 – 8-point Discrete Output Module Image Table

Mapping

I/O Image Input Size

Read

0 or 1 Word

Output Size

rite

1 or 2 Words

1794-OA8 Memory Map

Decimal Bit

Oct. Bit 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00 Read Words

Where O = Output value (where O0 corresponds to output 0, O1 corresponds to output 1, etc.)

15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Size

Not used Read Word 1 Read Word 1 Not used 07 06 O5 O4 O3 O2 O1 O0 Write Word 1 Not used Write Word 2 Write Word 2

Not used

Module Image

Not used

Outputs

3.2.6 1794-OW8 – 8-point Discrete Relay Output Module Image Table

Mapping

I/O Image Input Size

Read

0 or 1 Word

Output Size

rite

1 or 2 Words

1794-OW8 Memory Map

Decimal Bit

Oct. Bit 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00 Read Words

Where O = Output value: where O0 corresponds to output 0, O1 corresponds to output 1, etc., and when bit = 0, the output is off; when bit = 1, the output is on.

15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Size

Not used Read word 1 Read Word 1 Not used 07 06 O5 O4 O3 O2 O1 O0 Write Word 1 Not used Write word 2 Write Word 2

Not used

Module Image

Not used

Outputs

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3.2.7 1794-IE8 – 8 Input Analog Module

I/O Image

Input Size

1 to 9 Words

0 or 1 Word

Output

Module

Input Data Channel 0 Input Data Channel 1 Input Data Channel 2

Input Data Channel 3 Input Data Channel 4 Input Data Channel 5

Input Data Channel 6 Input Data Channel 7

Underrange

Configure select

Not used Not used

Not used Not used Not used

1794-IE8 Memory Map

Decimal Bit

Oct. Bit 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00 Read Words

Where: PU = Power up bit – included in series B modules only. U = Underrange bits for 4 to 20mA inputs C = Configure select bit F = Full range bit S = sign bit (in 2's complement)

15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Size

S Analog Value Channel 0 Read Word 1 Read Word

S Analog Value Channel 1 Read Word 2 Read Word

S Analog Value Channel 2 Read Word 3 Read Word

S Analog Value Channel 3 Read Word 4 Read Word

S Analog Value Channel 4 Read Word 5 Read Word

S Analog Value Channel 5 Read Word 6 Read Word

S Analog Value Channel 6 Read Word 7 Read Word

S Analog Value Channel 7 Read Word 8 Read Word

PU Not used – set to zero U7 U6 U5 U4 U3 U2 U1 U0 Read Word

C7 C6 C5 C4 C3 C2 C1 C0 F7 F6 F5 F4 F3 F2 F1 F0 Write Word

Not used – set to 0 Write Word

2 thru 6

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1794-IE8 Range Selection Bits

Channel No.

Decimal Bit 00 08 01 09 02 10 03 11 04 12 05 13 06 14 07 15 0 to 10V dc/0

to 20mA 4 to 20mA 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 –10 to +10V

dc Do Not Use1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

C = Configure select bit F = Full range bit 1 Do not use this configuration. Individual channels revert to 4 to 20mA if bit selection is all zeroes.

Channel 0 Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Channel

F0 C0 F1 C1 F2 C2 F3 C3 F4 C4 F5 C5 F6 C6 F7 C7

1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

1794-IE8 Word/Bit Descriptions

Word Decimal Bit Definition

Read Word 1 Bits 00 to 14

Bits 15 Channel 0 analog data sign bit. Read Word 2 Bits 00 to 14

Bits 15 Channel 1 analog data sign bit. Read Word 3 Bits 00 to 14

Bits 15 Channel 2 analog data sign bit. Read Word 4 Bits 00 to 14

Bits 15 Channel 3 analog data sign bit. Read Word 5 Bits 00 to 14

Bits 15 Channel 4 analog data sign bit. Read Word 6 Bits 00 to 14

Bits 15 Channel 5 analog data sign bit. Read Word 7 Bits 00 to 14

Bits 15 Channel 6 analog data sign bit.

Channel 0 analog data – 12-bit left justified two's complement number; unused lower bits are zero; 4 to 20mA uses all 16 bits.

Channel 1 analog data – 12-bit left justified two's complement number; unused lower bits are zero; 4 to 20mA uses all 16 bits.

Channel 2 analog data – 12-bit left justified two's complement number; unused lower bits are zero; 4 to 20mA uses all 16 bits.

Channel 3 analog data – 12-bit left justified two's complement number; unused lower bits are zero; 4 to 20mA uses all 16 bits.

Channel 4 analog data – 12-bit left justified two's complement number; unused lower bits are zero; 4 to 20mA uses all 16 bits.

Channel 5 analog data – 12-bit left justified two's complement number; unused lower bits are zero; 4 to 20mA uses all 16 bits.

Channel 6 analog data – 12-bit left justified two's complement number; unused lower bits are zero; 4 to 20mA uses all 16 bits.

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Word Decimal Bit Definition

Read Word 8 Bits 00 to 14

Bits 15 Channel 7 analog data sign bit. Read Word 9 Bits 00 to 07

Bits 08 to 14 Not used – set to 0. Bit 15

Write Word 1 Bits 00 to 07

Bits 08 to 15

Write Word 2 Bits 00 to 15 Not used – set to 0. Write Word 3 Bits 00 to 15 Not used – set to 0. Write Word 4 Bits 00 to 15 Not used – set to 0. Write Word 5 Bits 00 to 15 Not used – set to 0. Write Word 6 Bits 00 to 15 Not used – set to 0.

Channel 7 analog data – 12-bit left justified two's complement number; unused lower bits are zero; 4 to 20mA uses all 16 bits.

Underrange bits (U) for individual channels (4 to 20mA current input only)- Bit 00 corresponds to input channel 0, bit 01 corresponds to input channel 1, and so on. When set (1), indicates either a broken or open input wire, or input current below 4 to 20mA.

Power Up bit – included in series B modules only. This bit is 0 in series A modules. This bit is set to 1 when all bits in the configuration register are 0 (unconfigured state). The configuration register can be cleared by either of the reset inputs, or by the user writing all zeroes to it.

Full range bits (F) for individual channels – Bit 00 corresponds to input channel 0, bit 01 corresponds to input channel 1, and so on. Refer to range selection above.

Configure select bits (C) for individual channels – Bit 08 corresponds to input channel 0, bit 09 corresponds to input channel 1, and so on. Refer to range selection above.

3.2.8 1794-OE4 – 4 Output Analog Module Image Table Mapping

I/O Image

Input Size

0 or 1 Word

Read

1 or 6 Words

rite

Output

Not used Not used

Page 30 of 152 ProSoft Technology, Inc.

Module Image

Not used

Analog Data Channel 0 Analog Data Channel 1 Analog Data Channel 2 Analog Data Channel 3

Not used

Config. Select

Not used Not used

Not used Not used Not used Not used

Diagnostics

Full Range

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