8-2
Operator Panel OP3
Edition 11/99
8.2 Timers
For every timer that has been configured and enabled on the PLC, you can
have the OP3 display the present actual value. For this, call the Screens ³
Timers standard screen. The following display appears, by way of an
example:
13.7 TIMER 1
Timer selected
Timer actual value
35.5
Timer setpoint
Exit from the standard screen by pressing ESCAPE.
There is no point in entering timer setpoints, since the values are overwritten
by the current contents of the accumulator on the SIMATIC S7 when the
timer is called.
The time base of the timer depends on which PLC has been configured:
SIMATIC S7–200: Every timer has a permanent time base with a
permanently configured number of digits behind the
decimal point. Timer values are displayed in seconds
on the OP3.
SIMATIC S7–300: The common time base for the timers can be
configured (10 ms, 100 ms, 1 s or 10 s). The OP3
detects the time base which you set and standardizes
the displayed value to seconds.
Display the actual
timer value
Edit the timer
setpoint
Time base
Timers and Counters
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