MMVC wiring and programming example
    This topic demonstrates how to wire the Guard I/O module and program the instruction in the safety control portion of an application.
This application example complies with ISO 13849-1, Category 4 operation. 
     TIP: 
    
The standard control portion of the application is not shown in the following diagram.
Wiring Diagram

This programming diagram shows the MMVC instruction used with a Dual-channel Input Start (DCSRT) instruction and a Main Valve Control (MVC) instruction.
Programming Diagram

Ladder Diagram

Module Definition
The Logix Designer application is used to configure the input and test output operands of the Guard I/O module, as illustrated.

Rockwell Automation suggests selecting 
Exact Match
 for the Electronic Keying
 as shown. Compatible Match
 is also acceptable.Module Input Configuration

Module Test Output Configuration

Module Output Configuration

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