Technical information

Changing Timer Pre-sets on the LCSM II
The PLC must be turned on to change the pre-set timer values and the updated values
only exist while the system is on. Once the PLC is turned off, the default timer values
will be restored at next power-on.
With the system turned on, press the CHG PRE button. The menu should appear as
below:
TIMER A 0600
TIMER B 0600
The + or – key will select between TIMER A and TIMER B. do not go beyond TIMER
B. If you do, use the – key to get back.
Once the correct timer is selected, press the ENT key to change fields to the Vmemory
(timer value). Remember that the timer value is in 1/10ths of a second. Default value is
0600 or 60 seconds.
The Æ Å buttons move the cursor within the numeric placeholders.
Again use the + or – buttons to change the numeric value of the selected placeholder.
Once the correct timer values are programmed, press the ENT button to return to Timer
selection or the MSG button to return to the default screen. The new values will stay
active until the power is turned off.
Exam ple
1. Turn on PLC
2. Press the CHG PRE button
3. Timer A is selected by default
4. Press ENT to move cursor to the timer values
5. Move the cursor with the Æ Å buttons to the correct placeholder
6. Use the + - keys to set the appropriate time
7. Continue to step 8 to set Timer B or Press MSG to return to default menu
8. Press ENT to return to Timer selections
9. Use the + button to select Timer B
10. Press ENT to change fields
11. Use the Æ Å buttons to switch between placeholders
12. + or – to set the appropriate time
13. MSG to return to default screen
Copyright 2011, AHMCT Research Center, UC Davis