User Manual

Rockwell Automation Publication 1752-UM001E-EN-P - June 2014 141
Create Your Application Program Chapter 10
Logic Functions and Function Blocks
A maximum of 254 logic functions and function blocks can be used.
Input Tags
Input tags reflect the status of inputs from these I/O areas:
• The controller’s local terminals
• Input area of safety slaves registered as communication partners
• Input area reflected from safety master data
• Input area reflected from standard master data
Data are reflected in these I/O areas:
• local input status
• local output status
• general unit status
• test output status
• muting lamp status
Table 8 - Supported Logic Instructions and Function Blocks
Logic Instructions Function Blocks
·NOT ·Reset
·AND ·Restart
·OR ·Emergency stop push-button monitoring
·Exclusive OR ·Light curtain monitoring
·Exclusive NOR ·Safety gate monitoring
·Routing ·Two-hand controller
·RS Flip-Flop ·Off-delay timer
·Multi Connector ·On-delay timer
·Comparator ·User Mode Switch
·External device monitoring
·Muting
·Enable switch
·Pulse generator
·Counter