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Allen-Bradley MicroLogix 1200 - Page 6

Allen-Bradley MicroLogix 1200
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Publication 1762-UM001D-EN-P - March 2004
Table of Contents ii
Mounting 1762
Expansion I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
DIN Rail Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Panel Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
Connecting Expansion I/O . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Chapter 3
Wiring Your Controller
Wiring Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Wiring Recommendation . . . . . . . . . . . . . . . . . . . . . . . 3-1
Using Surge Suppressors . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Recommended Surge Suppressors . . . . . . . . . . . . . . . . 3-5
Grounding the Controller . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Terminal Block Layouts . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Terminal Groupings . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Sinking and Sourcing Wiring Diagrams . . . . . . . . . . . . . . . 3-10
1762-L24AWA, 1762-L24BWA, 1762-L24BXB, 1762-L24AWAR,
1762-L24BWAR and 1762-L24BXBR Wiring Diagrams. . . 3-11
1762-L40AWA, 1762-L40BWA, 1762-L40BXB ,
1762-L40AWAR, 1762-L40BWAR and 1762-L40BXBR Wiring
Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Controller I/O Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
Minimizing Electrical Noise. . . . . . . . . . . . . . . . . . . . . . 3-17
Expansion I/O Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
Discrete Wiring Diagrams. . . . . . . . . . . . . . . . . . . . . . . 3-17
Analog Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22
Chapter 4
Communication Connections
Supported Communication Protocols . . . . . . . . . . . . . . . . . 4-1
Default Communication Configuration . . . . . . . . . . . . . . . . 4-2
Using the Communications Toggle Push Button . . . . . . . . . 4-2
Connecting to the RS-232 Port . . . . . . . . . . . . . . . . . . . . . . 4-4
Making a DF1 Point-to-Point Connection . . . . . . . . . . . 4-5
Using a Modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Isolated Modem Connection. . . . . . . . . . . . . . . . . . . . . 4-6
Connecting to a DF1 Half-Duplex Network. . . . . . . . . . 4-8
Connecting to a DH-485 Network . . . . . . . . . . . . . . . . . . . 4-9
Recommended Tools . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
DH-485 Communication Cable . . . . . . . . . . . . . . . . . . . 4-9
Connecting the Communication Cable to the DH-485
Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
Grounding and Terminating the DH-485 Network . . . . . 4-12
Connecting the AIC+. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
Cable Selection Guide . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Recommended User-Supplied Components. . . . . . . . . . 4-16

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