User manual

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 12345678

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