Allen-Bradley SERCOS 1756-M03SE/A User Manual

Publication 1756-IN572E-EN-P – March 2004
Installation Instructions
3, 8, or 16 Axis SERCOS interface Module
(Catalog Number/Series 1756-M03SE/A, 1756-M08SE/B, and
1756-M16SE/A)
The 3, 8, or 16 Axis SERCOS interface™ module mounts in a
ControlLogix™ chassis and uses fiber optical connections for all field-side
wiring.
Before you install your module you should have:
• installed and grounded a 1756 chassis and power supply.
• ordered and received the fiber optic cables for your application.
For: See page:
Important User Information 2
Overview 4
Determining the Power Requirements 5
Identifying Module Components 5
Module Product Label 8
Installing the Module 8
Fiber Optic Transmission 10
Fiber Optic Cables 11
Cable Connector Handling and Maintenance 14
Supported Drives 15
Ring Topology 17
Checking the LED Indicators 18
Removing the Module from the Chassis 21
Module Specifications 22
Hazardous Location Information 26
Rockwell Automation Support Back Cover
Allen-Bradley PLCs

Allen-Bradley SERCOS 1756-M03SE/A Specifications

General

Brand	Allen-Bradley
Model	SERCOS 1756-M03SE/A
Category	Control Unit
Language	English

Summary

Important User Information

Related Documentation

Lists other relevant Allen-Bradley product manuals for further information.

Overview

Preventing Electrostatic Discharge

Guidelines to prevent damage to equipment from electrostatic discharge.

Determining the Power Requirements

Identifying Module Components

Module Product Label

Installing the Module

Fiber Optic Transmission

Fiber Optic Cables

Plastic Fiber Optic Cables

Details catalog numbers and lengths for plastic fiber optic cables.

Cable Connector Handling and Maintenance

Supported Drives

Ring Topology

Checking the LED Indicators

SERCOS Communication Phase Status Using the CP Indicator

Explains the meaning of the CP LED status for communication phases.

Module Status Using the OK Indicator

Explains the meaning of the OK LED for module status and actions.

SERCOS Ring Status

Explains the meaning of the SERCOS Ring LED status and troubleshooting actions.

Removing the Module from the Chassis

Module Specifications

Plastic Fiber Optic Specifications

Details transmission range, core/cladding diameter, attenuation, and temperature.

Glass Fiber Optic Specifications

Details transmission range, core/cladding diameter, attenuation, and temperature.

SERCOS Specifications

Details SERCOS class, data rate, and operating cycle for different module types.

Hazardous Location Information

Rockwell Automation Support

Installation Assistance

Information on getting help with hardware module installation within the first 24 hours.

New Product Satisfaction Return

Procedure for returning products that are not functioning correctly.