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