Timers - Siemens SIMATIC HMI OP3 Equipment Manual

Timers and Counters
8.2

Timers

Display the actual For every timer that has been configured and enabled on the PLC, you can
timer value
have the OP3 display the present actual value. For this, call the Screens
Timers standard screen. The following display appears, by way of an
example:
Timer actual value
Timer setpoint
Exit from the standard screen by pressing ESCAPE.
Edit the timer There is no point in entering timer setpoints, since the values are overwritten
setpoint
by the current contents of the accumulator on the SIMATIC S7 when the
timer is called.
Time base
The time base of the timer depends on which PLC has been configured:
SIMATIC S7–200:
SIMATIC S7–300:
8-2
13.7 TIMER 1
35.5
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.
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.
Timer selected
Operator Panel OP3
Edition 11/99