Siemens Simatic RTU303xC Series Operating Instructions Manual page 301

Parameters
Parameters
Input parameters
En
Trigger
Reset
Function parameters
Time base
Initial value
Retentivity
Output parameters
Uptime
RTU303xC
Operating Instructions, 06/2019, C79000-G8976-C382-06
Tag type / range of Description
values
Enable parameter, see section Often used parameters
(Page 252).
Digital input / output / Counter input
bit memory
After the first edge change 0 → 1 and continuous value 1
STATUS_ERROR of "Trigger" the block begins to count the operating time.
True / False Resets the counter to 0 or the Initial value on a positive
edge (0 → 1).
Digital input / output /
bit memory With the setting "True" the counter is continuously reset
and the output remains permanently set to 0.
STATUS_ERROR
With the setting "Input unused" or "False", the count is
not reset. If there is overflow (4294967295) the counter
starts again at zero or at the initial value.
100 ms Time base of the uptime output by the block and of the
initial value.
1 s
1 min
1 h
0 .. 4294967295 Start value
ON / OFF If this option is enabled, the count value is saved in the
retentive memory. The last value therefore continues to
be used when the configuration is changed or a restart of
the module takes place.
If the option is disabled, the counter is reset to 0 or the
initial value when the configuration is changed or a re-
start of the module takes place.
For more information, refer to the section Often used
parameters (Page 252).
Analog memory bit Tag in which the totaled value of the operating time is
output. In the event of configuration as counter and over-
Configured as a
•
flow (4294967295), the counter starts again at zero.
floating-point
number:
3.402823 e-38 ..
3.402823 e+38
Configured as a
•
counter: 0 ..
4294967295
Program blocks
5.8 Counter and summation blocks
301