Power Supply (External); Battery - Siemens Simatic RTU303xC Series Operating Instructions Manual

4.19.8

Power supply (external)

Note the characters permitted for the input boxes, see section Permitted characters and
parameter lengths (Page 95).
Power supply (external)
Parameters
● Active
● Name
● Current value
Display of the value of the tag
● Read
Click on the button to display the current value of the tag.
Update cycle
● Reduction factor for basic cycle
The reduction factor lowers the frequency of the update cycle for this input, the intervals
between update cycles increase.
You configure the basic cycle in "Operating mode.
Diagnostics messages
If the voltage value of the external power supply of the RTU undershoots a configurable
minimum permitted value, a message "WARNING" is entered in the diagnostics buffer.
● Minimum voltage
Enable the option if undershooting a low voltage limit should cause a diagnostics
message to be generated. Enter the value in the input box.
The minimum permitted voltage value of the RTU is 10.8 V.
● Logging
See section Configuration of the tags , general parameters (Page 179).
4.19.9

Battery

Note the characters permitted for the input boxes, see section Permitted characters and
parameter lengths (Page 95).
You configure the sending of messages if a configurable operating time of the battery is
exceeded on the WBM page "Operating mode" > "Power supply".
RTU303xC
Operating Instructions, 06/2019, C79000-G8976-C382-06
Configuration (WBM)
4.19 Tags
195