Enable switch function block error handling, Enable switch function block timing charts – Rockwell Automation 1752-L24BBBE SmartGuard 600 Controllers User Manual User Manual
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Rockwell Automation Publication 1752-UM001E-EN-P - June 2014
Appendix D
Function Blocks Command Reference
Enable Switch Function Block Error Handling
Use this table to diagnose and reset a discrepancy error in the Enable Switch
function block.
Enable Switch Function Block Timing Charts
Figure 79 - Normal Operation and Discrepancy Error
Figure 80 - Grip Signal and Release Signal
Table 31 - Error Detection and Reset for Enable Switch Function Block
Error
Condition
Status When an Error Occurs
To Reset the Error Condition
Output Enable
Fault
Present
Error Output
Discrepancy
error at input
pair
OFF
(safety state)
ON
Discrepancy
Error: ON
Remove the cause of the error, then
either:
1. Make both input pairs 1 and 2
inactive and active again.
2. Change the controller’s operating
mode to Idle and back to Run.
Input 1 (NO)
Output Enable
Discrepancy Time
Fault Present
Input 2 (NO)
Discrepancy Error
Grip Input
Grip Enable
Release Input
Release Enable