Rockwell Automation 1760-xxxx Pico Controller User Manual - Manual (Page 166)

Publication 1760-UM001D-EN-P - September 2005
7-16 Retention
Signal diagram:
U = Supply voltage
Range A:
Value before power outage: 107
Value after switching back on: 107
Automatic Lubrication at Constant Intervals and With a Constant Quantity of
Lubricant
Task 3:
After every 60 minutes of machine run time, the bearings of the
machine must be lubricated for 30 seconds.
Contacts and relays used:
Coil Function
T1 Clock pulse
M15 Lubricate
Q1 Lubrication Valve
T8 Lubrication time
C8 Up counter
U
T8
M16
Q4
I1
A