Rockwell Automation 1755-OF8 GuardPLC Controller Systems - Manual (Page 327)

Publication 1753-UM001C-EN-P - March 2010 327
System Signal Variables Appendix B
Cnt[0x].Time Overflow
(1) Read Overflow indication for the time stamp of the counters
True 24-bit overflow since last measurement
False No 24-bit overflow since last measurement
Cnt[0x].Direction
(1) Read/Write Counting direction of the counter
(only if Cnt[0x].Auto Advance Sense = False)
True upward (increment)
False downward (decrement)
Cnt[0x].Auto Advance
Sense
(1)
Read/Write Automatic counter direction recognition
True Automatic recognition on
False Manual setting of counter direction
Cnt[0x].Reset
(1) Read/Write Reset counter
True No reset
False Reset
Cnt[0x].5/24V Mode
(1) Read/Write Counter input 5V or 24V
True 24V
False 5V
Cnt[0x].Gray Code
(1) Read/Write Decoder or pulse operation
True Gray Code decoder
False Pulse operation
(1) Ox = counter 01 or 02.
I/O Data Read/Write Description