User`s guide

Page i

Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18)

User’s Guide

Controlinc Network Master … AB1746-C (Version 5.21)

For

Allen-Bradley Series SLC-500 Programmable Controllers

Table of Contents

0. Quick Start Information...............................................................................1

1. Introduction...................................................................................................2

1.1. Overview of 1746-C System ................................................................................... 2

1.2. Overview of Changes in Version 5.21 ................................................................... 4

1.3. Reference Manuals ................................................................................................. 5

1.4. EIM Equipment Compatibility .............................................................................6

1.5. Firmware ................................................................................................................. 6

2. 1746-C Hardware..........................................................................................7

2.1. Hardware Setup ...................................................................................................... 7

2.2. LED Utilization ....................................................................................................... 8

2.2.1. Green (PRT1 & PRT2) and Yellow (LED1 & LED2) LED Usage ........................... 8

2.2.2. Red “BA LOW” LED Usage ................................................................................. 10

3. Network Setup and Connecting to the NIU ..............................................11

3.1. Field Connections at the Actuator....................................................................... 13

3.1.1. Step 1. Plan the Network Topology ................................................................... 13

3.1.2. Step 2. Select Network Cable............................................................................ 13

3.1.3. Step 3. Route Cable away from Electrical Interference ..................................... 14

3.1.4. Step 4. Observe Polarity and Network Grounding ............................................. 14

3.1.5. Step 5. Wire Preparation and Connections........................................................14

3.1.6. Step 6. Test Network ......................................................................................... 14

3.2. Field Network Cable Connection to the NIU ..................................................... 15

3.3. Cable Connection Between the NIU and the Network Master ........................ 15

4. 1746-C General Theory of Operation .......................................................16

4.1. Operational Overview ..........................................................................................16

4.1.1. Diagram Describing Relationship Between Process Time Slices ........................ 16