Allen-Bradley DeviceNet 1747-SDN/B Manuale utente

Publication 1747-5.8 – July 1997

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(Catalog Number 1747-SDN/B)

Use this document as a guide when installing the 1747-SDN/B

scanner module.

To See page

prevent Electrostatic Discharge 3

understand compliance to European Union Directives 3

identify related publications 4

identify scanner module features 4

prepare for module installation 6

install the scanner module into the chassis 7

connect the scanner module to the DeviceNetTM drop line 8

apply chassis power 9

understand the data organization of the scanner module 9

program the scanner module using the M0 and M1 Files 11

upload input data from the scanner module 14

download output data from the scanner module 18

use the explicit message program control 20

troubleshoot the module and network 27

For this reference information See page

Specifications 30

The 1747-SDN/B has the following features. You activate these

features using DeviceNet Manager Software. For more information,

refer to your DeviceNet Manager Software User Manual (publication

number 1787-6.5.3) and your 1747-SDN Scanner Configuration

Manual (publication number 1747-6.5.2).

Slave Mode

The slave mode feature allows processor-to-processor

communication. Slave mode also allows the scanner to perform as a

slave device to another master on the network.

Like any other slave, when the scanner module is in slave mode, it

exchanges data with only one master. You control what information

is exchanged through scan list configuration and associated mapping

functions of DeviceNet Manager software.

For

More Information...

Installation Instructions

Contents

Module Features

1747-SDN DeviceNet Scanner Module Installation Instructions2

Publication

1747-5.8 – July 1997

The slave mode function has the following variations:

The scanner is in: When:

Null Mode it contains an empty or disabled scan list (out-of-

box default)

Master Mode it serves as a master to one or more slaves but is

not simultaneously serving as a slave to another

master

Slave Mode it serves as a slave to another master

Dual Mode it serves as both a master to one or more slaves

and as a slave to another master simultaneously

Change of State

The change of state function notifies the scanner module to perform

a scan:

•whenever a network data change occurs, or

•at a user-configurable heartbeat rate

Because data is only sent on an as-needed basis, change of state

increases system performance by reducing network traffic.

Cyclic I/O

The cyclic I/O feature allows you to set the scanner module to

perform a scan at a specific send rate.

Because data is only sent at a periodic rate, cyclic I/O increases

system performance by reducing network traffic.

Other New Information

Along with these new features are areas in this document that are

different from the previous edition. These areas are marked with

change bars (as shown to the right of this paragraph) to indicate the

addition of new or revised information.

1747-SDN DeviceNet Scanner Module Installation Instructions 3

Publication

1747-5.8 – July 1997

The scanner module is sensitive to electrostatic discharge.

!ATTENTION: Electrostatic discharge can damage

integrated circuits or semiconductors if you touch

backplane connector pins. Follow these guidelines

when you handle the module:

•Touch a grounded object to discharge static potential

•Wear an approved wrist-strap grounding device

•Do not touch the backplane connector or

connector pins

•Do not touch circuit components inside the module

•If available, use a static-safe work station

•When not in use, keep the module in its

static-shield bag

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.

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.

Low Voltage Directive

This product is tested to meet Council Directive 73/23/EEC

Low Voltage, by applying the safety requirements of EN 61131–2

Programmable Controllers, Part 2 – Equipment Requirements

and Tests.

For specific information required by EN 61131-2, see the appropriate

sections in this publication, as well as these Allen-Bradley

publications:

Publication Publication number

Industrial Automation Wiring and Grounding Guidelines

For Noise Immunity 1770-4.1

Guidelines for Handling Lithium Batteries AG-5.4

Automation Systems Catalog B111

Prevent Electrostatic

Discharge

Understand Compliance to

European Union Directives

1747-SDN DeviceNet Scanner Module Installation Instructions4

Publication

1747-5.8 – July 1997

For software configuration information, refer to your

DeviceNetManagerTM Software User Manual (publication number

1787-6.5.3) and your 1747-SDN Scanner Configuration Manual

(publication number 1747-6.5.2).

For planning and installation information, refer to the DeviceNet

Cable System Planning and Installation Manual (publication number

1485-6.7.1). If you need a copy of this manual, fax the enclosed User

Manual Request Card to 1-800-576-6340. If you are outside the U.S.,

fax the card to 1-330-723-4036.

Use this illustration to identify the features of the 1747-SDN/B

scanner module.

Module Status Indicator

indicates module status Network Status Indicator

indicates status of the DeviceNet

channel communication link

Front of Module

DeviceNet

STATUS

MODULE NET

ADDRESS/ERROR

Access door

10-pin Linear Plug

inserted into

DeviceNet port

Node Address and Status Display

displays numeric codes and

indicates scanner node address

or error

20472–M

Wiring Color

Codes

This

icon is used when a

related publication is

referenced.

Identify Related

Publications

Identify Module Features

1747-SDN DeviceNet Scanner Module Installation Instructions 5

Publication

1747-5.8 – July 1997

Series A Module Features

The Series A version of this module (1747-SDN) contains the

following features:

•DH-485 port

•different wiring label

•five-pin linear plug

Front of Module

DeviceNet

STATUS

MODULE NET

ADDRESS/ERROR

DH485 port

20472–M

Wiring Label

Color Codes Five-pin linear

plug inserted

into DeviceNet

port

1747-SDN DeviceNet Scanner Module Installation Instructions6

Publication

1747-5.8 – July 1997

Before you install your module you need the following items:

WINDOWS

Personal Computer

with Microsoft

WindowsTM 3.1 or

later Operating

System

DeviceNetManager

for WindowsSoftware

Cat. No. 1787-MGR

SLC 1746 chassis with SLC

5/02, 5/03 or 5/04 processor

DeviceNet Manager for

Windows Software

User Manual

Pub. No. 1787-6.5.3

User

Manual

1747-SDN Scanner

Configuration Manual

Pub. No. 1747-6.5.2

Config-

uration

Manual

1770-KFD RS-232 DeviceNet Adapter or 1784-PCD DeviceNet PC Card

Before you install your module you must know how to:

•program and operate an Allen-Bradley SLC 500TM programmable

controller

•install and configure the devices on your DeviceNetTM network

Make Sure That Your Processor and Adapters are Compatible

You can use the 1747-SDN Scanner Module in a local I/O chassis

with only the SLC 500 processor running in the leftmost slot.

Important: The 1747-SDN Scanner Module fits in any slot of the

chassis except for the leftmost slot, which is reserved for

the SLC 500 processor.

Prepare for Module

Installation

1747-SDN DeviceNet Scanner Module Installation Instructions 7

Publication

1747-5.8 – July 1997

To install your module into the chassis:

1. Turn off the chassis power supply.

!ATTENTION: Do not install the 1747-SDN Scanner

Module with the chassis power supply on. Installing

the module with the chassis power supply on may

damage the module.

2. Select a slot for the module in the chassis. You may use any slot

except the leftmost slot, which is reserved for the SLC 500

processor.

20442-M

3. Insert the module into the slot you have selected.

4. Apply firm, even pressure to seat the module in the I/O chassis

backplane connectors.

Install the Module Into the

Chassis

1747-SDN DeviceNet Scanner Module Installation Instructions8

Publication

1747-5.8 – July 1997

To connect your module to the DeviceNet drop line:

1. Turn off the network power supply.

!ATTENTION: Do not wire the 1747-SDN Scanner

Module with the network power supply on. Wiring the

module with the network power supply on may short

your network or disrupt communication.

2. Connect the DeviceNet drop line to the ten-pin linear plug, by

matching the wire insulation colors to the colors shown on the

label:

20474-M

Ten-pin

Linear

Plug DeviceNet

Drop Line

Front of Module

RED

WHITE

BARE

BLUE

BLACK

Module label shows

wiring color scheme:

20473–M

Black

Blue

White

Red

Bare

3. Locate the DeviceNet

Port connector on the front of the module.

4. Insert the ten-pin linear plug into the DeviceNet

Port connector.

DeviceNet Port 20441–M

DeviceNet Drop Line

Connector

Ten-pin

Linear

Plug

You have installed and wired your module. To operate the module

you must apply power and then configure and program the SLC

processor to communicate with it. We describe how to do this in the

next three sections.

Connect the Module to the

DeviceNet Drop Line

1747-SDN DeviceNet Scanner Module Installation Instructions 9

Publication

1747-5.8 – July 1997

When you apply chassis power, the module numeric indicators cycle

through the following displays:

1. Seven-segment lamp test (88)

2. Firmware major revision (01 through 7F hexadecimal)

3. Firmware minor revision (01 through FF hexadecimal)

4. Baud rate (indicates 00 for the default of 125, 01 for 250 or

02 for 500 Kbits/s)

5. Node address (00 to 63 with 63 as the default)

Use the DeviceNetManager software to change the baud rate and

node address.

Refer to the Numeric Code Display Summary table on page 28 for a

complete listing of numeric displays.

The module has four data areas to transfer data, status and command

information between the module and the processor:

•SLC input image table

•SLC output image table

•SLC M1 file

•SLC M0 file

Input and Output Image Tables

The following table describes the mapping of the 1747-SDN input

and output image tables and the M1 and M0 files.

Words SLC Input Image Words SLC Output Image

0 Status 0 Command

1–31 DeviceNet Input Data (31 words) 1–31 DeviceNet Output Data (31

words)

Words SLC M1 File Words SLC M0 File

0–149 DeviceNet Input Data (150 words) 0–149 DeviceNet Output Data

(150 words)

150–209 Reserved (60 words)

210 Node Address/Status Indicator

(1 word)

211 Scan Counter (1 word)

15 –223

212–215 Device Idle Table (4 words)

–223

Reserved

(74 words)

216–219 Device Failure Table (4 words)

(

rds)

220–223 Auto Verify Failure Table

(4 words)

224–255 Explicit Message Program Control

(32 words) 224–255 Explicit Message Program

Control (32 words)

Top part of module

DeviceNet

STATUS

MODULE NET

ADDRESS/ERROR

Module

numeric

indicators

Apply Chassis Power

Understand the Data

Organization of the

Module

1747-SDN DeviceNet Scanner Module Installation Instructions10

Publication

1747-5.8 – July 1997

SLC Memory Configuration ID Code

The ID code for the 1747-SDN scanner module is 13606. Use this

code to configure the memory of your SLC 5/02, 5/03 or 5/04

processor. Refer to the documentation supplied with your Advanced

Programming Software User Manual for additional information on

module ID codes and their use.

Use Advanced Programming Software to Configure M0-M1 Files

Use Advanced Programming Software (APS) to configure the M0

and M1 files for the processor. After you have assigned the module

to a slot, the following functions appear at the bottom of the APS

screen (the procedure is the same as assigning other modules but

you must specify the ID code (13606) of the scanner module):

F1 F3 F5 F7

ISR

NUMBER MODIFY

G FILE ADVNCD

SETUP G FILE

SIZE

INPUT

SIZE F2

OUTPUT

SIZE F3

SCANNED

INPUT F4

SCANNED

OUTPUT F5

M0 FILE

SIZE F6

M1 FILE

SIZE

F4 F5 F6 F7

MODIFY

RACKS MODIFY

SLOT DELETE

SLOT UNDEL

SLOT F8 F9

EXIT SPIO

CONFIG

Complete the following steps to configure the M0 and M1 files:

1. Press [F9], SPIO CONFIG. The following functions

appear:

2. Press [F5], ADVNCD SETUP. The following functions appear:

3. Press [F5], then enter 256 (the number of M1 file words

required).

4. Press [F6], then enter 256 (the number of M0 file words

required).

For more information on how to configure your module for

DeviceNet operation and how to map data from DeviceNet nodes to

M1, M0, input and output image files, refer to your DeviceNet

Manager for Windows Software User Manual (publication number

1787-6.5.3) and your 1747-SDN Scanner Configuration Manual

(publication number 1747-6.5.2).

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