Rockwell Automation 1760-xxxx Pico Controller User Manual - Manual (Page 172)

Publication 1760-UM001D-EN-P - September 2005
8-4 Inside Pico
Example: Parallel Circuit
Calculate the maximum cycle time for the
following circuit diagram:
Example: Circuit with Branches
Function Number Time Duration
in µs Total
Basic pulse 1 210 210
Refresh 1 3500 3500
Contacts and bridged contact fields 4 20 80
Coils 1 20 20
Total rungs from the first one to the last
one, with empty ones in between 2 50 100
Connecting lines (only )
– 20 –
Timing relays – – –
Counters – – –
Analog value function relays – – –
Total 3910
Function Number Time Duration
in µs Total
Basic pulse 1 210 210
Refresh 1 3500 3500
Contacts and bridged contact fields 9 20 180
Coils 4 20 80
Total rungs from the first one to the last
one, with empty ones in between 4 50 200
Connecting lines (only )
3 20 60
Timing relays 2 40 40
I2----------{Q4
I3
, ,
I1---------TT1
T1------{Q1
T1------TT2
T2------{Q2
, ,