Rockwell Automation 1760-xxxx Pico Controller User Manual - Manual (Page 174)

Publication 1760-UM001D-EN-P - September 2005
8-6 Inside Pico
1760-L18xxx Cycle Time
For 1760-L18xxx, the cycle time can be calculated as follows:
List of Times for Processing Function Relays
Example: Operating Hours Counter
Function Number Time Duration in µs Total
Basic pulse 1 520 –
Refresh – 5700 –
Contacts and bridged contact fields – 40 –
Coils – 20 –
Total rungs from the first one to the last
one, with empty ones in between – 70 –
Connecting lines (only )
– 40 –
Timing relays – – –
Counters – – –
Analog value function relays – – –
Total –
Number 1 2 3 4 5 6 7 8
Timing relays in µs 40 120 160 220 300 370 440 540
Counters in µs 40 100 160 230 300 380 460 560
Analog value processors in µs 120 180 220 260 300 360 420 500
, ,
-----------TT8
T8-M16-----CC8
-------SM16
T8--------RM16
C8---------{Q4
I1---------RC8
RT8