Rockwell Automation 1747-L55x, D174710.4 User Manual

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Allen-Bradley

Ethernet SLC 500t

Quick Start

Processors

(Catalog Numbers 1747-L551, -L552, and -L553)

for Experienced Users

Important User Information

Because of the variety of uses for the products described in this publication, those responsible for the application and use of this control equipment must satisfy themselves that all necessary steps have been taken to assure that each application and use meets all performance and safety requirements, including any applicable laws, regulations, codes and standards.

The illustrations, charts, sample programs and layout examples shown in this guide are intended solely for purposes of example. Since there are many variables and requirements associated with any particular installation, Allen-Bradley does not assume responsibility or liability (to include intellectual property liability) for actual use based upon the examples shown in this publication.

Allen-Bradley publication SGI-1.1, Safety Guidelines for the

Application, Installation, and Maintenance of Solid-State Control

(available from your local Allen-Bradley office), describes some important differences between solid-state equipment and electromechanical devices that should be taken into consideration when applying products such as those described in this publication.

Reproduction of the contents of this copyrighted publication, in whole or in part, without written permission of Allen-Bradley Company, Inc., is prohibited.

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

Attention statements help you to:

death, property damage or economic loss.

• identify a hazard

• avoid the hazard

• recognize the consequences

Important: Identifies information that is critical for successful

application and understanding of the product.

SLC 5/05, SLC 500, and Data Highway Plus are trademarks of Rockwell Automation. RSLogix 500 and RSLinx are trademarks of Rockwell Software., Inc. Ethernet is a registered trademark of Digital Equipment Corporation, Intel, and Xerox Corporation. Microsoft Windows is a registered trademark of Microsoft Corporation.

Preface

SLC 5/05 Ethernet Processor Features

Who

Should Use this Manual

Purpose

Conventions Allen-Bradley

of This Manual

Local

Technical Product Assistance P–3. . . . . . . . . . . . . . . . . . . . . . . .

Your Questions or Comments on this Manual P–4. . . . . . . . . . . . .

Documentation

Used in this Manual

Support

Product Support

Chapter 1

SLC

5/05 Processors and Ethernet Communication Passthru SLC 5/05 Hardware Processor Keyswitch

Feature

Performance Considerations

Features

Status LED Operation Operation

RUN

Position

PROG

Position

REM

Position

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P–1. . . . . . . . . . . . . . . . . . . . . . . . . .

P–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

P–2. . . . . . . . . . . . . . . . . . . . . . . . . . . .

P–3. . . . . . . . . . . . . . . . . . . . . . .

P–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

P–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1–1 1–2 1–2 1–2 1–3 1–4 1–4 1–4 1–4

Setting Up the SLC and PC Hardware

Configuring the Ethernet Channel for Local

Chapter 2

Required Tools and Equipment Install

the Power Supply Install the Processor Apply Power to the Processor Connect

Load Y

the SLC 5/05 and the PC to the Ethernet Network Ethernet Network Topology Ethernet Cables

Channel 1 8-Pin 10Base-T Connector

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our Programming Software

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Chapter 3

Configuration Methods Configuration

Define Create Program and Configure Comms Drivers Download Switch

Using RSLogix500 Programming Software

SLC 5/05 Processor and I/O Modules

the Program

to the Ethernet Network and Go ONLINE

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2–1 2–1 2–3 2–4 2–4 2–4 2–5 2–5 2–5

3–1 3–2 3–2 3–5 3–6 3–7

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Communicating on the Ethernet Network

Configuration Via BOOTP

Using DOS/Windows BOOTP

Install the DOS/Windows BOOTP server Edit

the DOS/Windows BOOTP Configuration File

Run

the Boot Server Utility Running the DOS-Based Utility Running

the Windows-Based Utility

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 4

Ethernet MSG

Interpreting MSG Error Codes Interpreting Using Subnet Masks and Gateways

Connections

Instruction

Limitation

Control Block Layouts

MSG

Manually Using

for Manipulating the Control Block Bits

Instruction Control Block

Ethernet Status Data

Configuring Channel 1 for Processors on Subnets

BOOTP to Configure Channel 1 for Processors on

Subnets

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3–7 3–8 3–9

3–9 3–1 3–1

3–12

4–1

4–2

4–3

4–4

4–6

4–8

4–10

4–1

4–12

1. . . . . . . . . . . . . . . . . . . . . . . . . .

1. . . . . . . . . . . . . . . . . . . . .

1. .

Using RS232-to-Ethernet



Channel-to-Channel Passthru

Specifications

(Optional) Return Processor to Initial Factory Conditions

Chapter 5

Passthru

Status MSG Passthru Examples

Feature

Address

File Bits

Error Code

Example Example

Routing T

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able

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1: DF1-to-Ethernet and Ethernet-to-DF1 2: DH485-to-Ethernet and Ethernet-to-DH485

. . . . . . . . .

5–1 5–1 5–2 5–2 5–3 5–3

5–1

1. . . . .

Appendix A

System Test General Specifications Processor

General Specifications

A–1. . . . . . . . . . . . . . . . . . . . . .

A–2. . . . . . . . . . . . . . . . . . . . . . .

Appendix B

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1747-10.4

Preface

Read this preface to familiarize yourself with the rest of the manual. This preface covers the following topics:

• who should use this manual

• how to use this manual

• related publications

• conventions used in this manual

• Allen-Bradley support

Who Should Use this Manual

Purpose of This Manual

Use this manual if you are responsible for designing, installing, programming, or troubleshooting control systems that use Allen-Bradley small logic controllers.

You should have a basic understanding of SLC 500t products. You should understand programmable controllers and be able to interpret the ladder logic instructions required to control your application. If you do not, contact your local Allen-Bradley representative for information on available training courses before using this product.

This manual is for users of the Ethernet SLC 5/05 processor. It:

• presents you with the basic information you need to get your

system up and running

• provides “memory jogger” information, such as specific bit and

switch settings for modules

• includes high-level procedures with cross-reference to other

manuals for more detail

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PrefaceP–2

Conventions Used in this Manual

Allen-Bradley Support

The following conventions are used throughout this manual:

• Bulleted lists such as this one provide information, not procedural

steps.

• Numbered lists provide sequential steps

• Italic type is used for emphasis.

• Text in this

font

indicates words or phrases you should type.

• Text enclosed “in quotation marks” indicates selections you

should make.

Allen-Bradley offers support services worldwide, with over 75 Sales/Support Offices, 512 authorized Distributors and 260 authorized Systems Integrators located throughout the United States alone, plus Allen-Bradley representatives in every major country in the world.

Local Product Support

Contact your local Allen-Bradley representative for:

• sales and order support

• product technical training

• warranty support

• support service agreements

Technical Product Assistance

If you need to contact Allen-Bradley for technical assistance, please record information about the problem situation, including any error codes and state of LED indicators. If possible, please also have the following information ready: hardware series, operating system used, firmware level, and software release. Then call your local Allen-Bradley representative.

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PrefaceP–4

Your Questions or Comments on this Manual

If you find a problem with this manual, please notify us using the enclosed Publication Problem Report.

If you have any suggestions for how this manual could be made more useful to you, please contact us at the address below:

Allen-Bradley Company, Inc. Control and Information Group Technical Communication, Dept. A602V, T122 P.O. Box 2086 Milwaukee, WI 53201-2086

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1747-10.4

Chapter 1

essors and

SLC 5/05 Ethernet Processor Features

This chapter:

• describes SLC 5/05 processors and Ethernet communication

• describes SLC 5/05 performance considerations

• illustrates SLC 5/05 hardware features

• explains processor status LED operation

• explains keyswitch operation

SLC 5/05 Proc Ethernet Communication

Ethernet is a local area network that provides communication between various devices at 10 Mbps. The physical communication media options for the SLC 5/05 are:

• built-in

– twisted pair (10Base-T)

• with media converters or hubs

– fiber optic – broadband – thick-wire coaxial cable (10Base-5) – thin-wire coaxial cable (10Base-2)

See page 2–4 for more information on Ethernet physical media. The SLC 5/05 supports Ethernet communication via the Ethernet

communication channel 1 shown in the drawing below.

SLC

5/05 CPU

FORCE

RUN

ENET

FLT

RS232BATT

RUN PROG

REM

Channel 1 Ethernet (10Base-T)

Channel 0 RS232 (DH485, DF1, or ASCII)

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1–2

SLC 5/05 Ethernet Processor Features

Passthru Feature

SLC 5/05 Performance Considerations

SLC 5/05 (1747-OS501, FRN 3) processors support RS232-to-Ethernet channel-to-channel passthru. See Chapter 5 for more information on using the new passthru feature.

Actual performance of an SLC 5/05 processor varies according to:

• size of Ethernet messages

• frequency of Ethernet messages

• network loading

• the implementation of and performance of your processor

application program

Optimal Performance: SLC 5/05 to SLC 5/05 Processor (2-node Ethernet network)

Operation Single

Typed reads

MSG per

Words

1 33 30.8 33 20 32 31.1 640 100 32 31.2 3200

second

ms per MSG

Words per second

Hardware Features

Battery (Battery Provides Back-up Power for the CMOS RAM)

xx:xx:xx

Hardware Address

The figure below shows some of the hardware components of the SLC 5/05 processors (1747-L551, 1747-L552, and 1747-L553).

SLC

5/05 CPU

Memory Module

_______ . _______ . _______ . _______

IP ADDRESS

Keyswitch

Write-on Area for

Address

RUN

FLT

BATT

RUN PROG

FORCE ENET RS232

REM

Channel 1 Ethernet (10Base-T)

Channel 0 RS232 (DH485, DF1, or ASCII)

Operating System Memory Module Download Protection Jumper

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1747-10.4

Location of Serial and

Left Side View Front View

Catalog Numbers

SLC 5/05 Ethernet Processor Features

(Color: red)

(Color: red) FORCE

FORCE

Channel 1

(Color: green)

1–3

Processor Status LED Operation

Processor LED When It Is Indicates that

RUN (Color: green)

FLT

BATT

(Color: amber)

The table below provides a general explanation of the processor status LEDs.

On (steadily) The processor is in Run mode.

Flashing (during operation)

Off The processor is in a mode other than Run. Flashing (at power up) The processor has not been configured.

Flashing (during operation)

On (steadily) A fatal error is present (no communications). Off There are no errors.

On (steadily)

Off The battery is functional, or the battery jumper is present.

Flashing

On (steadily)

The processor is transferring a program from RAM to the memory module.

The processor detects a major error either in the processor, expansion chassis, or memory.

The battery voltage has fallen below a threshold level, or the battery or the battery jumper is missing or not connected.

One or more input or output addresses have been forced to an On or Off state, but the forces have not been enabled.

The forces have been enabled.

ENET Channel 1 (Color: green or red)

RS232 Channel 0

Off No forces are present or enabled.

Solid Green

Flashing Green

Flashing Red

Off No Ethernet connection or port not configured. On (steadily)

DF1 Protocol

Off

DF1 Protocol

On (steadily)

ASCII Mode

Off

ASCII Mode

On (steadily)

DH485 Protocol

Flashing

DH485 Protocol

The Ethernet port is functioning properly and is connected to an active Ethernet network.

The Ethernet port is functioning properly, is connected to an active Ethernet network, and is transmitting packets.

A hardware or software fault has occurred and is being reported via a code. Contact Allen-Bradley Global Technical Services for assistance.

The SLC 5/05 processor is transmitting.

The SLC 5/05 processor is not transmitting.

The SLC 5/05 processor is transmitting.

The SLC 5/05 processor is not transmitting.

The Channel 0 Communications Active Bit (S:33/4) is set in the System Status file, and the processor is actively communicating on the network.

The processor is trying to establish communications, but there are no other active nodes on the network.

Off

DH485 Protocol

A fatal error is present.

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1–4

SLC 5/05 Ethernet Processor Features

Keyswitch Operation

The processors include a 3-position keyswitch on the front panel that lets you choose from three modes of operation: Run, Program, and Remote. You can remove the key in any of the three positions.

ATTENTION: Depending on the size of your user program, the processor can take up to 2.5 seconds to

change modes when you change the position of the keyswitch from RUN to PROG or to REM. Do not use the keyswitch in place of a hardwired master control relay or an emergency-stop switch.

RUN Position

This position places the processor in the Run mode. The processor scans/executes the ladder program, monitors input devices, energizes output devices, and acts on enabled I/O forces. You can only change the processor mode by changing the key position. You cannot perform online program editing.

To change the mode to Run, turn the key from PROG or REM to RUN. When the key is in the RUN position, you cannot use a

programmer/operator interface device to change modes.

PROG Position

This position places the processor in the Program mode. The processor does not scan/execute the ladder program, and the controller outputs are de-energized. You can perform online program editing. You can only change the mode by changing the key position.

To change the processor mode to Program, turn the key from REM or RUN to PROG. When the key is in the PROG position, you

cannot use a programmer/operator interface device to change modes.

REM Position

This position places the processor in the Remote mode: either the REMote Run, REMote Program, or REMote Test mode. You can change the processor mode by changing the keyswitch position or by changing the mode from a programmer/operator interface device. You can perform online program editing in this position.

To change the mode to REM, turn the key from RUN or PROG to REM. When the key is in the REM position, you can use a

programmer/operator interface device to change modes.

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Chapter 2

Setting Up the SLC and PC Hardware

This chapter tells you:

• what tools and equipment you need

• how to install and wire your power supply

• how to install and apply power to your processor

• how to configure the SLC 5/05 processor to communicate on the

Ethernet network

Required Tools a Equipment

Install the Power Supply

Have the following tools and equipment ready:

• a medium blade screwdriver

• programming equipment

• a 1747-CP3 programmer cable, a 10Base-T Ethernet PC card and

a 10Base-T Ethernet hub

Follow the steps below:

1. Align the circuit board of the power supply with the card guides

on the left side of the chassis, and slide the power supply in until it is flush with the chassis.

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2–2

Setting Up the SLC and PC Hardware

2. Fasten the power supply to the chassis.

3. Make jumper selection for 120/240V ac on 1746-P1, 1746-P2,

and 1746-P4 Power Supplies. Place the input voltage jumper to match the input voltage. This

does not apply to the 1746-P3 or 1746-P5, which do not have jumpers.

Use these screws to fasten the power supply to the chassis.

ATTENTION: Set the input jumper before applying power. Hazardous voltage is present on exposed pins when power is applied; contact with the pin may cause injury to personnel.

Catalog Number 1746-P1 & P2

POWER

Fuse

Jumper Selection

100/120 Volts

200/240 V

olts

4. Wire power to power supply.

ATTENTION: Turn off incoming power before

connecting wires; failure to do so could cause injury

to personnel and/or equipment.

Jumper Selection

85–132 V

170–265 V

Catalog Number 1746-P4

POWER

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1747-10.4

Setting Up the SLC and PC Hardware

5. Connect incoming power, as shown in the following diagrams.

2–3

User

Power

Incoming

Power

User

Power

Incoming

Power

PWR OUT +24V dc PWR OUT COM

120/240V

V ac NEUT CHASSIS GROUND

1746-P1 and -P2

PWR OUT +24V dc

PWR OUT COMMON

85–132V ac JUMPER 170–265V ac

L185–132/170–265

L2

NEUTRAL

CHASSIS GROUND

Incoming

Power

User

Power

Incoming

Power

NOT USED NOT USED + 24V dc dc NEUT CHASSIS GROUND

1746-P3

PWR OUT +24V dc PWR OUT COM

+125V dc

dc NEUT CHASSIS GROUNDCHASSIS GROUND

Install the Processor

1746-P4 1746-P5

Make sure system power is off; then insert the processor into the 1746 chassis.

Important: SLC 500 Modular Processors must be inserted into the

left slot (slot 0), as shown below. Remove the protective label after installing the processor.

Module Release

Card Guide

Protective Label

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2–4

Setting Up the SLC and PC Hardware

Apply Power to the Processor

Connect the SLC 5/05 and the PC to the Ethernet Network

Follow the steps below:

1. Energize the chassis power supply.

2. Check the chassis power supply and processor LEDs. The power

LED on the power supply should be on and the fault LED on the processor should be flashing.

Power supply and LED Indicators

POWER

RUN

FLT

BATT

FORCE ENET

RS232

Indicates the LED is OFF. Indicates the LED is ON. Indicates the LED is FLASHING. Status of LED does not matter.

The SLC 5/05 Ethernet connector conforms to ISO/IEC 8802-3 STD

802.3 and utilizes 10Base-T media. Connections are made directly from the SLC 5/05 to an Ethernet hub. Typical network topology is pictured below.

Ethernet Network Topology

RJ45

Ethernet

Hub

to PC Ethernet Card

Important: The SLC 5/05 processor contains a 10Base-T, RJ45

Ethernet connector which connects to standard Ethernet hubs via 8-wire phone jack cable. To access other Ethernet mediums, use Ethernet hubs that can be connected together via fiber, thin-wire, or thick-wire coaxial cables, or any other physical media commercially available with Ethernet hubs. In addition, media converters are commercially available to convert 10Base-T to other Ethernet media.

connectors on both ends of cable (10Base-T)

to SLC 5/05 Channel 1

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Setting Up the SLC and PC Hardware

2–5

Ethernet Channel 1 8-Pin 10Base-T Connector

The Ethernet connector is an RJ45, 10Base-T connector. The pin-out for the connector is shown below:

Pin Pin Name

1 TD+ 2 TD– 3 RD+ 4 not used by 10BASE-T 5 not used by 10BASE-T 6 RD– 7 not used by 10BASE-T 8 not used by 10BASE-T

When to use straight-through and cross-over pin-out:

• SLC 5/05 Ethernet port to 10Base-T Ethernet hub cables utilize a

straight-through pin-out (1-1, 2-2, 3-3, 6-6).

• Direct point-to-point 10Base-T cables, with cross-over pin-out

(1-3, 2-6, 3-1, 6-2), connect the SLC 5/05 Ethernet port directly to another SLC 5/05 Ethernet port (or a computer 10Base-T port).

Load Your Programming Software

Cables

Shielded and non-shielded twisted-pair 10Base-T cables with RJ45 connectors are supported. The maximum cable length between an SLC 5/05 Ethernet port and a 10Base-T port on an Ethernet hub (without repeaters or fiber) is 100 meters (328 feet). However, in an industrial application, the cable length should be kept to a minimum.

Install RSLogix500 programming software and RSLinx communication software. Refer to your software package’s documentation for installation instructions. Be sure to use the version of the software listed below. Earlier versions of the software do not support the SLC 5/05 processor.

• RSLogix500 – Rev. 2.10.12 or later (OS500)

– Rev. 2.51.0 or later (OS501)

• RSLinx – Rev. 1.70.62 or later

Contact Rockwell Software for information on upgrading your software.

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2–6

Setting Up the SLC and PC Hardware

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Chapter 3

Configuring the Ethernet Channel for Local Communication

This chapter:

• describes the configuration methods and configuration parameters

• explains how to configure the Ethernet channel using RSLogix

Programming Software

• explains how to configure the Ethernet channel via BOOTP

Configuration Methods

There are two ways to configure the SLC 5/05 Ethernet channel 1. The configuration can be done via a BOOTP request at processor powerup, or by manually setting the configuration parameters using RSLogix 500 Programming Software. The configuration parameters are shown below and the configuration procedures follow.

Parameter Description Default Status

Diagnostic File Number

MSG Connection Timeout

MSG Reply Timeout

Inactivity Timeout

IP Address

Subnet Mask

Broadcast Address

Gateway Address

BOOTP Enable

Hardware Address

The file number, which states the channel status diagnostic counters for this channel. A Diagnostic File Number value of zero means that no diagnostics file was configured for this channel. The Diagnostic File Number must be an integer within the limits of 7, 9–255.

The amount of time (in ms) allowed for a MSG instruction to establish a connection with the destination node. The MSG Connection Timeout has 250 ms resolution and a range from 250 to 65,500.

The amount of time (in ms) that the SLC 5/05 waits for a reply to a command it initiated via a MSG instruction. The MSG Reply Timeout has 250 ms resolution and a range from 250 to 65,500.

The amount of time (in minutes) that a MSG connection may remain inactive before it is terminated. The Inactivity Timeout has a 1 minute resolution and a range from 1 to 65,500 minutes.

The SLC 5/05 internet address (in network byte order). The internet address must be specified to connect to the TCP/IP network.

The SLC 5/05 subnet mask (in network byte order). The Subnet Mask is used to interpret IP addresses when the internet is divided into subnets. A Subnet Mask of all zeros indicates that no subnet mask has been configured.

NOT

SUPPORTED AT THIS TIME. The SLC 5/05 broadcast address (in network byte order). The

Broadcast Address is used in sending multicast messages. A Broadcast Address of all zeros indicates that no broadcast address was configured. In this case, the network code chooses a valid broadcast address when needed for that current subnet.

The address of a gateway (in network byte order) that provides connection to another IP network. A Gateway Address of all zeros indicates that no gateway was configured.

The BOOTP enable switch. When BOOTP is enabled, the SLC 5/05 attempts to learn its network related parameters at powerup via a BOOTP request. There must be a BOOTP server on the network capable of responding to this BOOTP request. When BOOTP is disabled, the SLC 5/05 uses the locally configured network related parameters (IP Address, Subnet Mask, Broadcast Address, etc.).

The SLC 5/05 Ethernet hardware address.

0 read/write

15,000 ms read/write

3,000 ms read/write

30 minutes read/write

0 (undefined) read/write

0 read/write

1 (enabled) read/write

Ethernet hardware address

read only

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3–2

Configuring the Ethernet Channel for Local Communication

Configuration Using RSLogix500 Programming Software

The following step-by-step procedure shows how to set up the SLC 5/05 and establish local communication on an Ethernet network. You need to assign a unique IP address for your processor.

This procedure also shows how to create a ladder program for an SLC 5/05 processor and download it via the RS232 COM port on your computer to channel 0 (RS232) on the SLC 5/05. You can use the 1747-CP3 Programmer Cable to make the physical connection.

Important: For this configuration method, you must first download

a program to the SLC 5/05 (via RS232) before you can establish Ethernet communications.

Finally, this procedure assumes that you have previous experience with SLC 500 processors and RSLogix500 programming software. If you do not, the following publications will help with the SLC 500 hardware and the instruction set. For the software (RSLogix500 and RSLinx), use the online HELP screens to guide you through developing a program and configuring channel 0 communication parameters.

• SLC 500 and MicroLogix 1000 Instruction Set Reference Manual,

publication 1747-6.15.

• SLC 500 Modular Hardware Style Installation and Operation

Manual, publication 1747-6.2.

Define SLC 5/05 Processor and I/O Modules

1. Start RSLinx software.

2. When the RSLinx window appears, click on the

“Communications” pull-down menu and select “Configure Drivers”.

3. In this step, you will configure RS232 driver.

In the “Configure Drivers” window, select “RS232 DF1 Devices” and click on the “Add New” box. The “Configure Allen-Bradley DF1 Communications Device” window appears.

Select the communications port you wish to use. This is the PC serial port COM1 through COM9.

Under Device Type, select “SLC–CH0” and “CRC error checking”.

If you have an RS232 cable connected between the selected COM port on your PC and channel 0 on your SLC 5/05, you can click on “Auto-configure” to define your interface parameters.

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3–3

If you do not use “Auto-Configure”, you must enter the channel 0 default parameters as follows:

• Device Type: SLC-CH0

• Baud Rate: 19200

• Parity: None

• Error Checking: CRC

• Stop Bits: 1

• Protocol: Full Duplex

When finished, click “OK”. “AB_DF1-1 DH485 Sta:0 COMn: RUNNING” is added to the list of configured drivers (where n = the number of the COM port you selected).

Minimize the RSLinx window.

4. Start RSLogix500 programming software and create a new file.

5. In the “Select Processor Type” window, choose the SLC 5/05

processor type:

• 1747-L551, 16K memory

• 1747-L552, 32K memory

• 1747-L553, 64K memory

Assign a name to the processor and click “OK”. A ladder programming screen appears showing only an END rung.

6. Using the list on the left side of the screen, double-click on

“Controller Properties” under the “Controller” category (folder).

7. In the “Controller Properties” window, click on the “Controller

Communications” tab. In this window, select “AB_DF–1” as the driver. Click “OK”.

8. Using the list on the left side of the screen, double-click on “I/O

Configuration” under the “Controller” category.

9. In the “I/O Configuration” window, you can identify your SLC

hardware (chassis and I/O modules) either manually or automatically.

Note: For automatic configuration, you need to have

your SLC hardware installed and the programming cable (1747-CP3 or equivalent) connected between the SLC 5/05 channel 0 and the PC COM port.

Manually –

In the “I/O Configuration” window, select the chassis and I/O modules that you have. Close this screen (click the close button [x] in the upper right corner of the window).

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Automatically –

In the “I/O Configuration” window, click on “Read I/O Config”. The “Read I/O Configuration from Online Processor” pop-up appears. Select “AB_DF1–1” as the driver and click on the “Read I/O Config” button. Your chassis and I/O configuration updates automatically. Close this window.

10.Using the list on the left side of the screen, double-click on

“Channel Configuration” under the “Controller” category.

11. In the Channel 1 section of the General tab, enter an unused file

number, such as 9, in the “Diagnostic File” field. This allows the programming software to display Channel 1 status, which are the Ethernet communications diagnostic counters.

12.In the “Channel Configuration” window, click on the “Chan. 1 –

System” tab. Deselect the “BOOTP Enable” option by clicking on the checked box. Enter your unique IP address in the space provided.

A subnet mask is used to interpret IP addresses when the internet is divided into subnets. If your network is not divided into subnets, then leave the “Subnet Mask” at the default. If you change the default and need to reset it, type 0.0.0.0.

Note: The “Hardware Address” is filled in by the

processor when you download this program to the SLC 5/05 processor.

After you have entered your IP address and disabled the BOOTP option, click “Apply” and then “OK”.

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Create Program and Configure Comms Drivers

1. You are now ready to create your ladder logic. An example is

shown below. In this example, there are two SLC 5/05 processors. The MSG instruction from the first processor reads the seconds value of the Real Time Clock (S:42) from the second processor and constantly places the value in the first processor’s file at N7:60. Add the MSG rung to the ladder. Note: The control block length for Ethernet MSGs is

51 words (when not using Logical ASCII addressing).

3–5

2. In the “Message Setup” window, enter the MSG parameters and

click “OK”. Then click on the “verify file” button at the top of the screen. Then save your program file.

3. With RSLogix500 still up and running, click on the RSLinx

program previously minimized at the bottom of the screen.

4. When the RSLinx window appears, click on the

“Communications” pull-down menu and select “Configure Drivers”.

5. In this step, you will configure the Ethernet driver.

Note: If you have not configured the RS232 DF1

Device, refer to the procedure “Define SLC 5/05 Processor and I/O Modules” on page 3–2 before configuring the Ethernet driver.

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Ethernet –

In the “Configure Drivers” window, select “Ethernet to PLC-5 or 5820-EI” and click on the “Add New” box. The “Configure Ethernet-to-AB Communications” window appears.

Enter the IP address for your SLC 5/05 processor beginning with node 1 under “Current Mappings”. Use the “IP Address or hostname” box to enter the address and click “Accept”. After entering the IP address, click “OK”. “AB_ETH-1 A-B Ethernet RUNNING” is added to the list of Configured Drivers.

Close the “Configure Drivers” window and minimize RSLinx as before.

Download the Program

1. In RSLogix, click on the “Comms” pull-down menu and select

“System Comms”.

2. Be sure that you have connected your PC COM1 port to

SLC 5/05 channel 0 (RS232 Programmer Cable 1747-CP3). In the RSLogix “System Options” window, verify that “AB_DF1-1” driver is selected and click on “Download”.

Enter a version number when asked, click “OK”, and answer “yes” to any further pop-up windows that appear. Your program will be downloaded to the processor. When asked if you wish to go online, click “yes”.

3. Using the list on the left side of the screen, double-click on

“Channel Configuration” under the “Controller” category. Select the “Chan.1 – System” tab to view the IP address you entered and the hardware Ethernet address assigned by the SLC 5/05 processor. Verify that this information is correct. Click on “Cancel”.

4. Go “OFFLINE”.

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3–7

Switch to the Ethernet Network and Go ONLINE

1. Connect your computer and your SLC 5/05 processor to any

standard Ethernet hub. You need an Ethernet communication card to connect your PC to the Ethernet hub.

2. In RSLogix, click on the “Comms” pull-down menu and select

“System Comms”. In the “System Options” window, change the “Driver” to “AB_ETH-1” and “Apply”. Click on “Who Active”.

3. The “Who Active” window appears, showing your Ethernet node.

Your computer will be “STA 63 AB_ETH-1” with its assigned name. Your SLC 5/05 will be “STA 1” with its assigned name. Double-click on the “STA 1” icon. Then go on-line with your SLC 5/05 via Ethernet.

4. If you have a second SLC 5/05 processor, set it up following the

same procedure as for the first SLC 5/05, but using its own unique IP address. Also assign this address to the next available STA address in RSLinx.

Configuration Via BOOTP

5. If you have two SLC 5/05 processors, and you have entered the

one-rung MSG into both of them, you may put them both in the “RUN” mode and monitor N7:60 in either processor. The value of N7:60 should increment with each tick of the Real Time Clock in the other SLC 5/05 processor.

If you only have one SLC 5/05, you cannot send MSGs, but you are on-line with your processor via 10 Mbps Ethernet.

BOOTP is a standard protocol that TCP/IP nodes use to obtain start-up information. By default, the SLC 5/05 broadcasts BOOTP requests at powerup. The BOOTP valid parameter remains clear until a BOOTP reply has been received. BOOTP lets you dynamically assign IP Addresses to processors on the Ethernet link.

To use BOOTP, a BOOTP server must exist on the local Ethernet subnet. The server is a computer that has BOOTP server software installed and reads a text file containing network information for individual nodes on the network.

The BOOTP request can be disabled by clearing the BOOTP Enable parameter in the channel Configuration File. When BOOTP Enable is cleared (disabled), the SLC 5/05 uses the existing channel configuration data.

Important: If BOOTP is disabled, or no BOOTP server exists on

the network, you must use SLC 500 programming software to enter/change the IP address for each processor. See page 3–2 for that configuration procedure.

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The host system’s BOOTP configuration file must be updated to service requests from SLC 5/05 processors. The following parameters must be configurable:

Parameter Description

IP Address A unique IP Address for the SLC 5/05 processor. Subnet Mask

Gateway

Specifies the net and local subnet mask as per the standard on subnetting RFC 950, Internet Standard Subnetting Procedure.

Specifies the IP address of a gateway on the same subnet as the SLC 5/05 that provides connections to another IP network.

Note: If you do not have BOOTP server capabilities on your

network, and you want to dynamically configure Channel 1, you can download the utility from http://supportbbs.ra.rockwell.com or via modem at 440-646-5441.

When BOOTP is enabled, the following events occur at power-up:

• The processor broadcasts a BOOTP request message containing

its hardware address over the local network or subnet.

• The BOOTP server compares the hardware address with the

addresses in its look-up table in the BOOTPTAB file.

• The BOOTP server sends a message back to the processor with

the IP address and other network information that corresponds to the hardware address it received.

With all hardware and IP addresses in one location, you can easily change IP addresses in the BOOTP configuration file if your network needs change.

Using DOS/Windows BOOTP

Both the DOS-based and Windows-based BOOTP server utilities provide BOOTP services for SLC 5/05 processors. Regardless of the platform you are using, you must:

• install the boot-server utility

• edit the boot-server configuration file

• run the boot-server utility

Important: Do not use the BOOTP utility if you already have

INTERCHANGE software installed. Instead, use the boot-server capabilities that came with your INTERCHANGE software.

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3–9

Install the DOS/Windows BOOTP server

To install the DOS BOOTP server:

1. Change the directory to the drive containing the BOOTP utility.

2. Type

3. The software is installed in

install, and press [Enter].

the path statement of your

C:\ABIC\BIN. Put this directory in

AUTOEXEC.BAT file.

Edit the DOS/Windows BOOTP Configuration File

The boot-server configuration file,

BOOTPTAB, is located in the

C:\ABIC\BIN directory. This file contains the information needed to boot SLC 5/05 processors.

You must edit the

BOOTPTAB file, which is an ASCII text file, to

include the name, IP address, and hardware address for each SLC 5/05 processor you want the server to boot. To edit this file:

1. Open the

BOOTPTAB file using a text editor.

The file contains lines that look like this:

#Default defaults5E: ht=1:vm=rfc1048

string for each type of Ethernet client

These are the default parameters for SLC 5/05 processors and must always precede the client lines in the

BOOTPTAB file.

The file also contains a line that looks like this:

plc5name:

tc=defaults5E:ip=aa.bb.cc.dd:ha=0000BC1Cxxyy

Important: Use this line as the configuration template for

SLC 5/05 processors.

2. Make one copy of the SLC 5/05 processor template for every

SLC 5/05 processor in your system.

3. Edit each copy of the template as follows: A. Replace plc5name with the name of the SLC 5/05 processor.

Use only letters and numbers; do not use underscores.

B. Replace

aa.bb.cc.dd with the IP address to be assigned to

the processor.

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C. Replace xxyy with the last four digits of the hardware

address. Use only valid hexadecimal digits (0-9, A-F); do not use the hyphens that separate the numbers. (You will find the hardware address on a label affixed to the printed circuit board of the SLC 5/05 processor. Note: See page 1–2 for an illustration showing the location of the hardware address.)

4. Save, close, and make a backup copy of this file. Example

In this example, there are three SLC 5/05 processors and an HP 9000 programming terminal. The names and hardware addresses are device specific:

HP 9000 (HP-UNIX) computer)

BOOTP server

Device Name IP

SLC 5/05 SLC 5/05 SLC 5/05

802.3/Ethernet (TCP/IP)

SLC-5/05 processor

sigma1

sigma1 12.34.56.1 00–00–BC–1D–12–34 sigma2 12.34.56.2 00–00–BC–1D–56–78 sigma3 12.34.56.3 00–00–BC–1D–90–12

Address Hardware Address

SLC-5/05 processor

sigma2

SLC-5/05 processor

sigma3

Based on this configuration, the BOOTPTAB file looks like:

# Legend: gw –– gateways #ha

#ht #ip #sm

#vm #tc

#Default string for each type of Ethernet client defaults5E: ht=1:vm=rfc1048

#Entries for SLC 5/05 processors: sigma1: tc=defaults5E:ip=12.34.56.1:ha=0000BC1D1234 sigma2: tc=defaults5E:ip=12.34.56.2:ha=0000BC1D5678 sigma3: tc=defaults5E:ip=12.34.56.3:ha=0000BC1D9012

––

hardware address

––

hardware type

––

host IP address

––

subnet mask

––

BOOTP vendor extensions format

––

template host

➀

➁

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➀

1 = 10MB Ethernet

➁

Use rfc1048

Run the Boot Server Utility

You can run either the DOS-based utility or the Windows-based BOOTP utility, but not both.

3–1

1Configuring the Ethernet Channel for Local Communication

If you have BOOTP enabled and the message

BOOTP response

not received appears, check the cabling connections and the

BOOTP server system.

If you’re using this platform

DOS-based

Windows DTLBOOTW.EXE Windows Program

then invoke this executable from the See page

DTLBOOTD.EXE DOS command line

(specify optional parameters if necessary)

Manager

3–11

3–12

Both utilities are located in the C:\ABIC\BIN directory and use the information contained in the

Be sure to place the

BOOTPTAB file in the directory from which you

BOOTPTAB file.

are running the BOOTP utility. If this file is not found in that directory, the utility will try to find the file in the directory specified by the environment variable ABIC_CONFIG.

Running the DOS-Based Utility

To run the boot-server utility,

DTLBOOTD.EXE, follow these steps:

1. At the DOS prompt, type:

DTLBOOTD [–D

[

–F

Parameter Description

–D –T <timeout> exit after <timeout> seconds of inactivity. –B <numboots> exit after answering <numboots> number of boot requests. –F <numfiles> exit after answering <numfiles> number of file requests. configfile name of the boot server configuration file to use. The default

logfile name of the log file to use. The default log file is

] [

–T

] [

configfile

provide additional information for debug purposes.

configuration file is

%ABIC_CONFIG%\DTLBOOTD.LOG.

] [

–B

] [

logfile

%ABIC_CONFIG%\BOOTPTAB.

]

Once you invoke the utility, it runs until the specified exit parameter is satisfied. Exit any time by pressing

[Esc].

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2. Apply power to all chassis containing SLC 5/05 processors.

At power-up, each SLC 5/05 processor broadcasts a

BOOTP

request if BOOTP was enabled at the channel 1 configuration screen. The Ethernet boot server compares the hardware address with those listed in

BOOTPTAB and responds by sending the

corresponding IP address and other configuration data to the client via a

BOOTP reply.

Running the Windows-Based Utility

To run the boot-server utility,

DTLBOOTW.EXE, follow these steps:

1. Start Microsoft Windows, if it is not already running.

2. Open the Program Manager window, if it is not already open.

3. Choose File on the menu bar and select Run from the menu.

4. In the dialog box, type

“OK” or press

[Enter].

C:\ABIC\BIN\DTLBOOTW; then choose

Once you invoke the utility, it will run until you terminate it by closing the

DTLBOOTW.EXE

window and exiting from Windows.

5. Apply power to all chassis containing and SLC 5/05 processors.

At power-up, each SLC 5/05 processor broadcasts a BOOTP request. The Ethernet boot server compares the hardware address with those listed in

the

BOOTPTAB

file and responds by sending the corresponding IP address and other configuration data to the client via a BOOTP reply.

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Chapter 4

Ethernet Conne

ons

Communicating on the Ethernet Network

This chapter:

• describes how Ethernet connections are established

• provides information on MSG instruction parameters, interpreting

MSG error codes, and interpreting Ethernet status data

• explains how to use advanced Ethernet functions

cti

TCP/IP is the mechanism used to transport Ethernet messages. On top of TCP, the Client/Server Protocol is required to establish connections and to send the MSG commands. Connections can be initiated by either a client program (INTERCHANGE or RSLinx application) or a processor.

The client program or processor must first establish a connection to the SLC 5/05 to enable the SLC 5/05 to receive messages from a client program or another processor. In order to send an outgoing message, the SLC 5/05 must first establish a connection with the destination node at a specified IP address on the Ethernet network. A connection is established when a MSG instruction executes and no previous connection to that particular Ethernet device exists.

When a MSG instruction executes, the SLC 5/05 checks to see whether a connection was established with the destination IP address. If a connection was not established, the SLC 5/05 attempts to establish a connection.

In order to receive messages from another device on Ethernet, an “incoming” connection must be established. This incoming connection is made by the sending processor and uses one incoming connection in the receiving processor.

The SLC 5/05 supports a maximum of 16 connections, allowing simultaneous communication with up to 16 other devices or applications. The connections are dedicated as follows:

Number of Connections Dedicated to:

4 outgoing messages 4 incoming messages 8 either incoming or outgoing messages

Important: For outgoing connections, no more that one connection

per destination IP address is established. If multiple MSG instructions use the same destination IP address, they share the same connection.

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Ins

Communicating on the Ethernet Network

tructi

The SLC 5/05 processors use the MSG instruction to communicate over the Ethernet network. The table below describes MSG instruction parameters for Ethernet.

Parameter Value

Supported MSG Commands

Message Sizes (Channel 1)

Modifying Connections

Limitation for Manipulating the Control Block Bits

485 CIF Read 485 CIF Write PLC5 Typed Read PLC5 Typed Write SLC 500 CPU Read SLC 500 CPU Write

256 elements maximum, with two exceptions:

•PLC5 Type MSG, Timer File – 201 elements maximum

•All MSG Types, String File – 23 elements maximum

The user may change a MSG instruction destination while the processor is in the RUN mode. If a MSG instruction’s destination IP address changes, the next time the MSG instruction executes, a new connection is established with the new destination node. The old connection remains open as long as either another MSG instruction was sharing it, or the connection inactive timer has not expired.

Do not manipulate the MSG instruction control block values except as noted below. For example, do not clear the first word of the control block, do not unlatch the time-out control bit, and so on.

The only MSG instruction control bits that may be manipulated by the ladder program without adversely affecting the operation of the instruction are the CO, EN, and TO bits. The enable bit (EN = bit 15) may be unlatched, but only when the done bit (DN = bit 13) or error bit (ER = bit 12) has been set, indicating the successful or unsuccessful completion of the previous message.

In addition, when a MSG is in progress and the ladder program wishes to terminate it for any reason, this may be done by enabling the time-out bit (TO = bit 8). The next time the processor scans the MSG instruction with the TO bit set, it will error the MSG (ER = 1). The MSG instruction may then be re-enabled with a false-to-true transition on the next program scan.

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4–3

Control Block Layouts

The SLC 5/05 MSG control block length varies with the type of communication and with the addressing you use. Control block layouts are shown for:

• SLC 5/05 Channel 1 (Ethernet port)

MSG Control Block without Logical ASCII Addressing

• SLC 5/05 Channel 1 (Ethernet port)

MSG Control Block with Logical ASCII Addressing

valid for PLC-5 typed read or write only

The AO bit (word 12, bit 15) is used for PLC-5 type reads and writes. If AO bit is reset to 0, then logical binary addressing is used for PLC-5 type reads and writes. If AO is set to 1, then logical ASCII addressing is selected; in this case the processor expects the ASCII address string information to be stored in words 14 to 55 of the MSG control block (see control block layout on page 4–5). The AO bit has no meaning for 485CIF and 500CPU types of reads and writes.

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MSG Instruction Control Block

The following are MSG control blocks, without and with logical ASCII addressing. The length of the control block without logical ASCII addressing is 51 words. With logical ASCII addressing, the length of the control block is 93 words.

MSG Control Block without Logical ASCII Addressing

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

0 EN ST DN ER CO EW NR TO Error Code 1 Reserved (Target Node Not Used) 2 Number of Elements 3 Not Used 4 File Type (based on local source or destination address) 5 Not Used 6 Not Used 7 Reserved (Internal Messaging Bits) WQ 8 Message Timer Preset

9 Message Timer Scaled Zero 10 Message Timer Accumulator 11 Data Length in Bytes 12 AO=0 Reserved (Internal Messaging Bits) Reserved 13 Reserved

First Byte of IP Address String

15 Third Byte of IP Address String …

… … … …

34 Forty-First Byte of IP Address String NULL Byte of Longest IP Address String 35 Reserved Reserved (Ethernet Message Type); must be 0

36–50 Reserved for Future Use

➀

The

IP Address string format is up to 42 ASCII characters including a terminating NULL character left-most character in the string as written. For example: If the IP Address is 423.156.78.012, the first byte is the ASCII character “4”. If the MSG destination is an INTERCHANGE client on a host computer, the destination is specified as “client” and stored as a NULL terminated string.

➀

SLC 5/05 Channel 1 (Ethernet port)

Second Byte of IP Address String

. The first byte in the array is the

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SLC 5/05 Channel 1 (Ethernet port)

MSG Control Block with Logical ASCII Addressing

valid for PLC-5 typed r

ead or write only

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

9 Message Timer Scaled Zero 10 Message Timer Accumulator 11 Data Length in Bytes 12 AO=1 Reserved (Internal Messaging Bits) Reserved 13 Reserved 14 Logical ASCII Address String Length including NULL Termination Character (bytes) 15 First Byte of ASCII Address String Second Byte of ASCII Address String 16 Third Byte of ASCII Address String …

… … … …

55 Eighty-First Byte of ASCII Address String NULL Byte of Longest ASCII Address String 56

First Byte of IP Address String

➀

Second Byte of IP Address String

57 Third Byte of IP Address String …

… … … …

76 Forty-First Byte of IP Address String NULL Byte of Longest IP Address String 77 Reserved Reserved (Ethernet Message Type); must be 0

78–92 Reserved for Future Use

➀

The

. The first byte in the array is the

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Interpreting MSG Error Codes

Error Code Description of Error Condition

02H 03H Target node cannot respond because message is too large. 04H 05H Local processor is offline (possible duplicate node situation).

06H Target node cannot respond because requested function is not available. 07H Target node does not respond. 08H Target node cannot respond. 09H Local modem connection was lost. 0AH Buffer unavailable to receive SRD reply. OBH Target node does not accept this type of MSG instruction. 0CH Received a master link reset (one possible source is from the DF1 master). 10H Target node cannot respond because of incorrect command parameters or unsupported command. 11H Local file has constant file protection. 12H Local channel configuration protocol error exists. 13H Local MSG configuration error in the Remote MSG parameters. 15H Local channel configuration parameter error exists. 16H Target or Local Bridge address is higher than the maximum node address. 17H Local service is not supported. 18H Broadcast (Node Address 255) is not supported. 19H Improperly formatted Logical ASCII Address string. String not properly terminated with a NULL character, or the string

20H PCCC Description: Host has a problem and will not communicate. 30H PCCC Description: Remote station host is not there, disconnected, or shutdown. 37H Message timed out in local processor.

38H Message disabled pending link response. 40H PCCC Description: Host could not complete function due to hardware fault.

50H Target node is out of memory. 60H Target node cannot respond because file is protected. 70H PCCC Description: Processor is in Program Mode.

80H PCCC Description: Compatibility mode file missing or communication zone problem. 90H PCCC Description: Remote station cannot buffer command. B0H PCCC Description: Remote station problem due to download. C0H PCCC Description: Cannot execute command due to active IPBs. D0H No IP address configured for the network, –or–

D1H Maximum connections used – no connections available. D2H Invalid internet address or host name. D3H No such host / cannot communicate with the name server.

Target node is busy. The MSG instruction automatically reloads. If other messages are waiting, the message is placed at the bottom of the stack.

Target node cannot respond because it does not understand the command parameters OR the control block was inadvertently modified.

length does not match the value in the length parameter.

Bad command – unsolicited message error, –or– Bad address – unsolicited message error, –or– No privilege – unsolicited message error

When the processor detects an error during the transfer of message data, the processor sets the .ER bit and enters an error code that you can monitor from your programming software.

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Error Code Description of Error Condition

D4H Connection not completed before user-specified timeout D5H Connection timed out by the network D7H Connection refused by destination host D8H Connection was broken D9H Reply not received before user-specified timeout DAH No network buffer space available E1H PCCC Description: Illegal Address format, a field has an illegal value. E2H PCCC Description: Illegal Address format, not enough fields specified. E3H PCCC Description: Illegal Address format, too many fields specified. E4H PCCC Description: Illegal Address, symbol not found. E5H PCCC Description: Illegal Address format, symbol is 0 or greater than the maximum number of characters supported

by this device. E6H PCCC Description: Illegal Address, address does not exist, or does not point to something usable by this command. E7H Target node cannot respond because length requested is too large. E8H PCCC Description: Cannot complete request, situation changed (file size, for example) during multi-packet operation. E9H PCCC Description: Data or file is too large. Memory unavailable. EAH PCCC Description: Request is too large; transaction size plus word address is too large. EBH Target node cannot respond because target node denies access.

ECH Target node cannot respond because requested function is currently unavailable. EDH PCCC Description: Resource is already available; condition already exists.

EEH PCCC Description: Command cannot be executed. EFH PCCC Description: Overflow; histogram overflow. F0H PCCC Description: No access F1H Local processor detects illegal target file type.

F2H PCCC Description: Invalid parameter; invalid data in search or command block. F3H PCCC Description: Address reference exists to deleted area. F4H PCCC Description: Command execution failure for unknown reason; PLC-3 histogram overflow. F5H PCCC Description: Data conversion error. F6H PCCC Description: The scanner is not able to communicate with a 1771 rack adapter. This could be due to the

scanner not scanning, the selected adapter not being scanned, the adapter not responding, or an invalid request of a

“DCM BT (block transfer)”. F7H PCCC Description: The adapter is not able to communicate with a module. F8H PCCC Description: The 1771 module response was not valid – size, checksum, etc. F9H PCCC Description: Duplicated Label. FAH Target node cannot respond because another node is file owner (has sole file access).

FBH Target node cannot respond because another node is program owner (has sole access to all files). FCH PCCC Description: Disk file is write-protected or otherwise inaccessible (off-line only).

FDH PCCC Description: Disk file is being used by another application; update not performed (off-line only). FFH Local communication channel is shut down.

4–7

Note: For 1770–6.5.16 DF1 Protocol and Command Set Reference Manual Users:

The MSG error code reflects the STS field of the reply to your MSG instruction. Codes E0–EF represent EXT STS codes 0–F. Codes F0–FD represent EXT STS codes 10–1D.

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Interpreting Ethernet Status Data

Monitor the status of SLC 5/05 processors by accessing the Ethernet channel 1 status screen of your programming software.

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The diagnostic counter data displayed is stored in the diagnostic file defined on the Ethernet channel 1 configuration screen.

Status field: Bytes: Displays the number of:

Commands

Replies sent 8-11 Replies sent by the channel.

Ethernet In Octets 28-31 Octets received on the channel.

sent 0-3 Commands sent by the channel. received 4-7 Commands received by the channel.

received 12-15 Replies received by the channel. sent with error 16-19 Replies containing errors sent by the channel. received with error 20-23 Replies containing errors received by the channel. timed out 24-27 Replies not received within the specified timeout period.

Out Octets 32-35 Octets sent on the channel. In Packets 36-39 Packets received on the channel, including broadcast packets. Out Packets 40-43 Packets sent on the channel, including broadcast packets. alignment errors 44-47 Frames received on the channel that are not an integral number of octets in length. FCS errors 48-51 Frames received on the channel that do not pass the FCS check. carrier sense errors 52-55 Times that the carrier sense condition was lost or never asserted while trying to transmit a

frame. excessive collisions 56-59 Frames for which a transmission fails due to excessive collisions. excessive deferrals 60-63 Frames for which transmission is deferred for an excessive period of time. MAC receive errors 64-67 Frames for which reception on an interface fails due to internal MAC sublayer receive error. MAC transmit errors 68-71 Frames for which reception on an interface fails due to internal MAC sublayer transmit error. single collisions 72-75 Successfully transmitted frames for which transmission was delayed because of collision. multiple collisions 76-79 Successfully transmitted frames for which transmission was delayed more than once

because of collision. deferred transmission 80-83 Frames for which the first transmission attempt is delayed because the medium is busy. late collisions 84-87 Times that a collision is detected later than 512 bit-times into the transmission of a packet.

4–9

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4–10

Communicating on the Ethernet Network

Using Subnet Masks and Gateways

Configure subnet masks and gateways using the Ethernet channel 1 configuration screen:

Important: If BOOTP is enabled, you can’t change any of the

advanced Ethernet communications characteristics.

If your network is divided into subnetworks that use gateways or routers, you must indicate the following information when configuring channel 1:

• subnet mask

• gateway address

A subnet mask is a filter that a node applies to IP addresses to determine if an address is on the local subnet or on another subnet. If an address is located on another subnetwork, messages are routed through a local gateway to be transferred to the destination subnetwork.

If your network is not divided into subnets, then leave the subnet mask field at the default.

If you are Then See page

manually configuring channel 1 and have a network with subnets

• be sure the BOOTP enable field is disabled

• use your programming software to enter the

subnet mask and gateway address.

4–11

using BOOTP to configure channel 1 and have a network with subnets

• be sure BOOTP is enabled

• configure the BOOTPTAB file to include the

subnet mask(s) and gateway address(es)

4–12

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4–1

Manually Configuring Channel 1 for Processors on Subnets

If you are manually configuring channel 1 for a processor located on a subnet, deselect the “BOOTP Enable” option by clicking on the checked box.

1Communicating on the Ethernet Network

See the table below to configure the subnet mask and gateway address fields for each processor via your programming software.

Ethernet Channel 1 Configuration Screen Advanced Functions

This field: Specifies: Configure by doing the following:

Subnet Mask

Gateway Address The IP address of the gateway that

The processor’s subnet mask. The subnet mask is used to interpret IP

addresses when the internet is divided into subnets.

provides a connection to another IP network.

This field is required when you communicate with other devices not on a local subnet.

Enter an address of the following form: a.b.c.d Where: a, b, c, d are numbers between 0-255 (decimal) If your network is not divided into subnets, then leave the subnet mask field

at the default. If you change the default and need to reset it, type 0.0.0.0. Enter an address of the following form:

a.b.c.d Where: a, b, c, d are numbers between 0-255 (decimal) The default address is No Gateway.

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4–12

Communicating on the Ethernet Network

Using BOOTP to Configure Channel 1 for Processors on Subnets

Configure the BOOTPTAB file according to the subnet mask and gateway address for each SLC 5/05 processor on the link. See the example below and the corresponding next page.

Important: Because BOOTP requests are seen only on the local

BOOTPTAB file on the

subnet, each subnet needs its own BOOTP server and

BOOTPTAB file.

personal computer WINDOWS or HP 9000 or VAX computer

BOOTP server

Ethernet TCP/IP network

Ethernet gateway or “router”

BOOTP server

130.151.132.1 130.151.138.1

130.151.132.xxx

SLC 5/05 processor

Subnet A

130.151.194.xxx Hostname: Iota1

IP address: 130.151.194.19 Subnet Mask: 255.255.255.0 Gateway Address: 130.151.194.1

130.151.194.1

BOOTP server

130.151.138.xxx

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Subnet B Subnet C

Hostname: Iota2 IP address: 130.151.132.110 Subnet Mask: 255.255.255.0 Gateway Address: 130.151.132.1

1747-10.4

SLC 5/05 processor

Hostname: Iota3 IP address: 130.151.138.123 Subnet Mask: 255.255.255.0 Gateway Address: 130.151.138.1

Communicating on the Ethernet Network

The BOOTPTAB files that correspond to this example look like:

# Legend: gw –– gateways

––

#ha #ht #ip #sm #vm #tc

#Default string for each type of Ethernet client defaults5E: ht=1:vm=rfc1048:sm=255.255.255.0

#Entries for SLC 5/05 processors: iota1:\

tc=defaults5E:\ gw=130.151.194.1:\ ha=0000BC1D1234:/ ip=130.151.194.19

# Legend: gw –– gateways #ha #ht #ip #sm #vm #tc

#Default string for each type of Ethernet client defaults5E: ht=1:vm=rfc1048:sm=255.255.255.0

#Entries for SLC 5/05 processors: iota2:\

tc=defaults5E:\ gw=130.151.132.1:\ ha=0000BC1D5678:/ ip=130.151.132.110

hardware address

––

hardware type

––

host IP address

––

subnet mask

––

BOOTP vendor extensions format

––

template host

––

hardware address

––

hardware type

––

host IP address

––

subnet mask

––

BOOTP vendor extensions format

––

template host

4–13

# Legend: gw –– gateways

––

#ha #ht #ip #sm #vm #tc

#Default string for each type of Ethernet client defaults5E: ht=1:vm=rfc1048:sm=255.255.255.0

#Entries for SLC 5/05 processors: iota3:\

tc=defaults5E:\ gw=130.151.138.1:\ ha=0000BC1D9012:/ ip=130.151.138.123

hardware address

––

hardware type

––

host IP address

––

subnet mask

––

BOOTP vendor extensions format

––

template host

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4–14

Communicating on the Ethernet Network

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Chapter 5

Passthru Feature

Using RS232toEthernet



ChanneltoChannel Passthru

This chapter contains information about the new passthru feature on SLC 5/05 (1747-OS501, FRN 3) processors, including:

• Updated status file information

• Error code information

• An example of DF1-to-Ethernet and Ethernet-to-DF1 routing

• An example of DH485-to-Ethernet and Ethernet-to-DH485

routing

This feature permits an SLC 5/05 processor to act as a bridge, allowing communication data packets to be passed between the RS232 serial port (Channel 0) and the Ethernet port (Channel 1).

This RS232-to-Ethernet bridge operates only when the RS232 serial port is configured for DF1 full-duplex communication or DH485 communication.

A maximum of 128 Ethernet devices may be accessed using the passthru feature.

Important: For 1747-OS501 support, use RSLogix Rev. 2.51.0 or

higher, and RSLinx Rev. 1.70.62 or higher.

Address Routing Table

To enable passthru of data packets between the RS232 port and the Ethernet port, the SLC 5/05 processor uses a routing table to cross-reference the one-byte addressing used by DF1 and DH485 protocols with the four-byte IP address needed to support Ethernet communication. The routing table is stored in a user-selectable integer file and uses two word elements of the integer file to store one IP address. The routing table file number must be between 9 and

255. The routing table must be at least two words in length.

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5–2

Using RS232-to-Ethernet Channel-to-Channel Passthru

Status File Bits

Two status file bits control whether or not the passthru function is enabled. Their SLC 5/05 functions are described in the table below.

Address Classification Description

S:34/0 Dynamic

Configuration

S:34/5 Dynamic

Configuration

DH485 to Ethernet Passthru Disable Bit (SLC 5/05, OS501 or later)

When this bit is set, passthru is disabled. When it is reset, the processor allows packets to be passed from one channel to the other. Channel 0 must be configured for DH485 protocol. Only packets that contain the internet network layer remote MSG packets are passed.

The default is reset.

DF1 to Ethernet Passthru Enable Bit (SLC 5/05, OS501 or later)

When this bit is set, passthru is enabled. Channel 0 must be configured for DF1 full-duplex protocol. Only Ethernet packets that contain the internet network layer remote MSG packets are passed from channel 1 to channel 0. Only DF1 packets whose destination address (DST) is a valid number (1-128) corresponding to a valid IP address in the routing table are passed from channel 0 to channel

1. DF1 packets with a destination address equal to 0 are processed locally.

MSG Error Code

The default is reset.

When the processor detects an error during the passage of message data, it generates the error code 20H “Host has a problem and cannot communicate”. The cause of the problem could be any of the following:

• The routing table integer file number is out of range (9 to 255).

• The routing table file does not exist in the user program directory

or is less than 2 word elements in length.

• The IP Address entry in the routing table does not exist or is all

zeros.

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Using RS232-to-Ethernet Channel-to-Channel Passthru

5–3

Passthru Examples

The IP Addresses used in the following illustrations are for example purposes only. Contact your system administrator for IP addresses unique to your network.

Example 1: DF1-to-Ethernet and Ethernet-to-DF1

In the following diagram, the SLC 5/03 sends a local message via DF1 to the SLC 5/05 #1. The SLC 5/05 #1 acts as a bridge, sending the message out via Ethernet to the SLC 5/05 #2, whose address is stored in the routing table. SLC 5/05 #2 can also initiate a message via Ethernet to the SLC5/03 processor through SLC 5/05 #1. The SLC 5/05 #1 routes the message to SLC 5/03 via DF1.

Important: In the SLC 5/05 #1 bridge, Status File Bit S:34/5 must

be set to 1 to enable DF1-to-Ethernet passthru. Set Status File Bit S:34/0 to 1 to disable DH485-to-Ethernet passthru.

DH485 Node 1

1747-PIC

Interface

Converter

RS232 Port

Ethernet Port

Personal Computer

with

RSLinx and RSLogix 500

SLC 5/03

DF1 Source ID = 1

Ethernet Hub

DF1

SLC 5/05 #1 Bridge

IP Address 130.151.81.104

DF1 Source ID = 0

Ethernet

SLC 5/05 #2

IP Address 130.151.81.139

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5–4

SLC 5/03 Message Ladder Logic

Using RS232-to-Ethernet Channel-to-Channel Passthru

SLC

5/03 Using DF1

The message ladder logic, message setup, and channel configurations for the SLC 5/03 using DF1 are shown below.

SLC 5/03 Message Setup

• Channel is set to zero for DF1 full-duplex protocol.

• Target Node is the station address in the SLC 5/05 #1 routing

table where the IP address for SLC 5/05 #2 is stored.

• The Message Timeout must be at least as long as the SLC 5/05

timeout for Ethernet connection. The SLC 5/05 default timeout is 23 seconds.

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SLC 5/03 Channel Configurations

Using RS232-to-Ethernet Channel-to-Channel Passthru

5–5

• Channel 0 Driver is set to DF1 Full Duplex.

• Source ID is the address of the sender of the message. It can be

any number from 0 to 254.

SLC 5/05 #1 Bridge Channel Configuration

5/05 #1 Bridge

SLC

Ladder logic is not required for the SLC 5/05 which acts as the bridge from DF1-to-Ethernet. However, you must set up a passthru routing table when configuring the bridge. The channel configuration is shown below, followed by the routing table on page 5–7.

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5–6

Using RS232-to-Ethernet Channel-to-Channel Passthru

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Important: Channel 0 Source ID must be set to 0 when SLC 5/05

#1 is used as the bridge between DF1 full-duplex and Ethernet.

1747-10.4

Using RS232-to-Ethernet Channel-to-Channel Passthru

5–7

Passthru Routing Table

The passthru routing table is located under the channel configuration selection in RSLogix 500 Programming Software. If a Passthru Routing Table File number was entered in the General Tab in the Channel Configuration dialog box, click on the + in front of “Channel Configuration” to reveal the routing table selection.

Double-click on “Routing Table” to view and modify the passthru routing table.

Important: The routing table must contain the IP address of SLC

5/05 #2 at station target node three, as shown in the routing table above. Target node three was identified as the target node in the SLC5/03 Message Setup dialog box.

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5–8

SLC 5/05 #2 Ladder Logic

Using RS232-to-Ethernet Channel-to-Channel Passthru

SLC

5/05 #2 Using Ethernet

For DF1-to-Ethernet passthru, SLC 5/05 #2 is the receiver and does not require message ladder logic, only a correct IP address and proper channel configuration.

For Ethernet-to-DF1 passthru, SLC 5/05 #2 is the initiator and must have ladder logic. The program below shows how the SLC 5/05 #2 processor can initiate a message to the SLC 5/03 via the SLC 5/05 #1 bridge.

The SLC 5/05 message ladder logic, remote message setup, and channel configurations are shown below.

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SLC 5/05 #2 Message Setup

Using RS232-to-Ethernet Channel-to-Channel Passthru

5–9

• Channel is set to 1 for Ethernet.

• Message Timeout for any Ethernet MSG cannot be modified in

the Ethernet Message Setup dialog box. It is assigned by the processor, and is determined by adding the Channel 1 MSG Connection Timeout to the MSG Reply Timeout, then adding 5 seconds. This value can be modified by changing one or both of the timeout values in the channel 1 channel configuration screen. The modified message timeout applies to all MSG instructions.

• The Remote Bridge Link ID is the Link ID of Channel 0 of the

SLC 5/05 #1 bridge.

• The Remote Bridge Address is zero, since the SLC 5/05 #1, as

the bridge, is always node or Source ID 0 for its DF1 channel.

• The Local Bridge Address is the IP address of the SLC 5/05 #1

bridge.

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5–10

SLC 5/05 #2 Channel Configuration

Using RS232-to-Ethernet Channel-to-Channel Passthru

Note: A zero in the Passthru Routing Table File indicates that

this processor is not being used as a bridge. A passthru routing table will not be created.

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5–1

Example 2: DH485-to-Ethernet and Ethernet-to-DH485

In the following diagram, the SLC 5/03 uses DH485 protocol to send a remote message to SLC 5/05 #1. The SLC 5/05 #1 passes the message through to SLC 5/05 #2 via Ethernet. The SLC 5/05 #2 can also send a message to the SLC 5/03 via the SLC5/05 #1 bridge. The SLC 5/05 #1 processor routes the message to the SLC 5/03 via DH485.

Important: In the SLC 5/05 #1 bridge, Status File Bit S:34/0 must

be set to 0 to enable DH485-to-Ethernet passthru. Set Status File Bit S:34/5 to 0 to disable DF1-to-Ethernet passthru.

1Using RS232-to-Ethernet Channel-to-Channel Passthru

1747-PIC

Interface

Converter

RS232 Port

1747-AIC

DH485

1747-C11 Cable

Personal Computer

with

RSLinx and RSLogix 500

DH485

SLC 5/03

Channel 1

DH485 Node 1

Ethernet Port

SLC

5/03 Using DH485

Ethernet Hub

1761-NET-AIC

DH485

Ethernet

SLC 5/05 #1 Bridge

Channel 0

DH485 Node 2

IP Address 130.151.81.104

SLC 5/05 #2

IP Address 130.151.81.139

The remote message ladder logic, setup, and channel configuration are shown on page 5–12.

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5–12

SLC 5/03 Ladder Logic

SLC 5/03 Message Setup

Using RS232-to-Ethernet Channel-to-Channel Passthru

Publication

• Channel is set to one, the DH485 default.

• Target Node is the address in the SLC 5/05 #1 routing table

where the IP address for SLC 5/05 #2 is stored.

• The Message Timeout must be at least as long as the SLC

5/05 timeout for Ethernet connection. The SLC 5/05 default timeout is 23 seconds.

• The Remote Bridge Link ID is the Link ID of Channel 1 of

the SLC 5/05 #1 bridge.

• The Remote Bridge Address is always zero to point to the IP

address for the bridge’s (SLC 5/05 #1) Ethernet channel.

• The Local Bridge Address is the Channel 0 DH485 node

address of the SLC 5/05 #1 bridge.

1747-10.4

SLC 5/03 Channel Configuration

Using RS232-to-Ethernet Channel-to-Channel Passthru

5–13

• Channel 1 Driver is set to DH485.

• Node Address is the address of the SLC 5/03 processor.

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5–14

SLC 5/05 #1 Bridge Channel Configuration

Using RS232-to-Ethernet Channel-to-Channel Passthru

SLC

5/05 #1 Bridge

Ladder logic is not required for the SLC 5/05 which acts as a bridge from DH485-to-Ethernet. However, you must set up a passthru routing table file when configuring the bridge. The channel configuration is shown below, along with the routing table.

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Using RS232-to-Ethernet Channel-to-Channel Passthru

5–15

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5–16

Using RS232-to-Ethernet Channel-to-Channel Passthru

Passthru Routing Table

The passthru routing table is located under the channel configuration selection in RSLogix500 Programming Software. If a Passthru Routing Table File number was entered in the General Tab in the Channel Configuration dialog box, click on the + in front of “Channel Configuration” to reveal the routing table selection.

Double-click on “Routing Table” to view and modify the routing table.

Important: The routing table must contain the IP address of the

SLC 5/05 #2 at station target node three, as shown in the routing table above. Target node three was identified as the target node in the SLC 5/03 Message Setup dialog box.

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SLC 5/05 #2 Ladder Logic

Using RS232-to-Ethernet Channel-to-Channel Passthru

SLC

5/05 # 2 Using Ethernet

5–17

For DH485-to-Ethernet passthru, SLC 5/05 #2 is the receiver and does not require message ladder logic, only a correct IP address and proper channel configuration.

For Ethernet-to-DH485 passthru, SLC 5/05 #2 is the initiator and must have ladder logic to send a message to SLC 5/03 via the SLC 5/05 #1 bridge.

The SLC 5/05 remote message ladder logic, message setup, and channel configurations are shown below.

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5–18

SLC 5/05 #2 Message Setup

Using RS232-to-Ethernet Channel-to-Channel Passthru

• Channel is set to one for Ethernet.

• Target Node is the DH485 node address of the SLC 5/03

destination processor.

• Message Timeout for any Ethernet MSG cannot be modified in

the Ethernet Message Setup dialog box. It is assigned by the processor, and is determined by adding the Channel 1 MSG Connection Timeout to the MSG Reply Timeout, then adding 5 seconds. This value can be modified by changing one or both of the timeout values in the Channel 1 channel configuration screen. The modified message timeout applies to all MSG instructions.

• The Remote Bridge Link ID is the Link ID of Channel 0 of the

SLC 5/05 #1 bridge.

• The Remote Bridge Address is the DH485 address for Channel

0 of SLC 5/05 #1.

• The Local Bridge Address is the IP address of the SLC 5/05 #1

bridge.

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SLC 5/05 #2 Channel Configuration

Using RS232-to-Ethernet Channel-to-Channel Passthru

5–19

Note: A zero in the Passthru Routing Table File indicates that

this processor is not being used as a bridge. A passthru routing table will not be created.

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5–20

Using RS232-to-Ethernet Channel-to-Channel Passthru

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1747-10.4

Specifications

Temperature

ibration

Free Fall (drop test)

Safety

Appendix

System Test General

The table below lists SLC 500 system test specifications.

Specifications

Description Specification Industry Standard

Operating: 0°C to +60°C (32°F to 140°F) Not Applicable Storage: –40°C to +85°C (–40°F to 185°F) Not Applicable

Humidity 5 to 95% without condensation Not Applicable

Shock

Operating: 1.0G at 5 to 2000 Hz Not Applicable Non-operating: 2.5Gs at 5 to 2000 Hz Not Applicable Operating: 30.0Gs (3 pulses, 11 ms) Not Applicable Operating: 10.0Gs (3 pulses, 11 ms) Non-operating: 50.0Gs (3 pulses, 11 ms) Not Applicable Portable, 2.268 kg (5 lbs) or less at 0.762m

(30 in.) (six drops) Portable, 2.268 kg (5 lbs) or more at 0.1016m

(4 in.) (three flat drops) Showering Arc: 1.5 kV NEMA ICS 2-230/NEMA ICS 3-304 Surge Withstand Capability: 3 kV IEEE Std. 472-1974/ANSI C37.90/90A-1974

Not Applicable

Fast Transient Burst (impulse): 2 kV for 1746 power supplies, 1kV for 1746 I/O and

Electromagnetic Compatibility

Certification

➀

Internal Rockwell Automation standards are based on Rockwell Automation’s extensive experience in industrial controls. It is also based partly on industry and/or military specifications.

communication lines over 10m (32.84 ft), 5 ns rise time

Electrostatic Discharge (ESD): 15 kV, 100 pF/1.5k ohm model

Radiated Electromagnetic Susceptibility: 5W walkie-talkie at 464.5 MHz and 153.05 MHz

Dielectric Withstand: 1500V ac UL 508, CSA C22.2 No. 142 Isolation between Communication Circuits:

500V dc Isolation between Backplane and I/Os: 1500V

ac Flammability and Electrical Ignition: UL94V-0 Not Applicable UL listed/CSA approved

Class 1, Groups A, B, C or D, Division 2 CE compliant for all applicable directives

Internal Rockwell Automation standard

Not Applicable

➀

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1747-10.4

A–2 Variable Content

ibration

TTL:Chap

Is Linked To HD:Running

Processor General Specifications

Specification 1747-L551 1747-L552 1747-L553

Memory Size 16K Words 32K Words 64K Words I/O Capacity up to 4096 inputs and 4096 outputs Maximum Chassis/Slots 3/30 Standard RAM Lithium Battery (2 years) Memory Back-up Options Flash EPROM LED Indicators Run, CPU Fault, Battery Low, Forced I/O, Ethernet, RS-232

Typical Scan Time Bit Execution (XIC) .37 µs

Communication

Power Supply Loading at 5V dc 1A Power Supply Loading at 24V

Clock/Calendar Accuracy

➀

0.9 ms/K

Ch 1: Ethernet (10Base-T) Ch 0: RS-232 (DF1, ASCII, or DH485 Protocols)

200 mA

±54 sec/month at 25°C (77°F) ±81 sec/month at 60°C (140°F)

The table below describes the general specifications for the SLC 5/05 processors.

Program Scan Hold-up Time after Loss of Power

Noise Immunity NEMA Standard ICS 2-230

Ambient Temperature Rating

Humidity 5 to 95% without condensation Shock (operating) 30Gs

Certification

➀

The

scan times are typical for a 1K ladder logic program consisting of simple ladder logic and communication servicing.

Actual scan times depend on your program size, instructions used, and communication protocol.

20 milliseconds to 3 seconds (dependent on power supply loading)

Operating: 0°C to +60°C (32°F to 140°F) Storage: 40°C to +85°C (–40°F to 185°F)

Displacement: .015 in., peak-to-peak at 5 to 57 Hz Acceleration: 2.5Gs at 57 to 2000 Hz UL listed/CSA approved

Class I, Division 2, Groups A, B, C or D CE compliant for all applicable directives

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1747-10.4

Appendix

(Optional) Return Processor to Initial Factory Conditions

Use this procedure if the communication channels are shut down because they were configured to be shut down, or if you absolutely cannot establish communications with the processor.

ATTENTION: If you return the processor to the initial factory conditions, the user program and

1. Remove power from the SLC 500 power supply.

2. Remove the processor from the chassis.

3. Disconnect the battery by removing the battery connector from its

socket.

communication configurations are returned to their default settings.

Keyswitch

4. Locate the VBB and GND connections on the right side of the

motherboard.

5. Place a small bladed screwdriver across the VBB and GND

connections and hold for 60 seconds. This returns the processor to the initial factory conditions.

GND

GND VBB

Mother Board

VBB

Right Side View

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B–2 Variable Content

TTL:Chap

Is Linked To HD:Running

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1747-10.4

Publication 1747-10.4 – July 1998

Worldwide representation.

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Rockwell Automation 1747-L55x, D174710.4 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Important User Information

Table of Contents

Preface

Who Should Use this Manual

Purpose of This Manual

Conventions Used in this Manual

Allen-Bradley Support

Passthru Feature

SLC 5/05 Performance Considerations

Hardware Features

Processor Status LED Operation

Keyswitch Operation

Install the Power Supply

Install the Processor

Apply Power to the Processor

Connect the SLC 5/05 and the PC to the Ethernet Network

Load Your Programming Software

Configuration Methods

Configuration Using RSLogix500 Programming Software

Configuration Via BOOTP

Interpreting MSG Error Codes

Interpreting Ethernet Status Data

Using Subnet Masks and Gateways

Passthru Feature

Status File Bits

MSG Error Code

Passthru Examples

Processor General Specifications