What does wrong message length mean on Siemens UPS?
- DDustin HammondSep 4, 2025
Communication with your Siemens UPS is disrupted.

What does wrong message length mean on Siemens UPS?
Communication with your Siemens UPS is disrupted.
Why Siemens UPS cannot write to object?
Attempting to write a parameter that is "read-only" on your Siemens UPS.
What does communication error to battery mean on Siemens UPS?
Communication with formerly known Siemens UPS battery is no longer possible. Check communication.
What does wrong battery configuration mean on Siemens UPS?
Different battery types connected to your Siemens UPS. Only batteries of the same type can be operated together.
What does unknown parameter mean on Siemens UPS?
Attempting to set a parameter that is not known by Siemens DC UPS.
Why Siemens UPS shows no software update?
Cannot execute the sent command because no software update has been started on your Siemens UPS.
What does wrong battery number mean on Siemens UPS?
Attempting to retrieve data about a battery which does not exist or is not connected to your Siemens UPS.
| Output Current | 40 A |
|---|---|
| Output Power | 960 W |
| Protection Class | IP20 |
| Output Voltage | 24 V DC |
| Operating Temperature | 0°C to +40°C |
| Interfaces | USB |
| Efficiency | >94% (typical) |
Explains hazard grading (DANGER, WARNING, CAUTION, NOTICE) and safety alert symbols.
Defines requirements for qualified personnel and proper Siemens product usage.
Details the SITOP UPS1600, its mounting, overload capability, and energy storage link.
Details using SIMATIC STEP 7 and TIA Portal for configuration, parameterization, and diagnostics.
Explains the functions and user interface of the SITOP UPS Manager software for configuration and monitoring.
Covers accessing and configuring the device via a web browser interface for monitoring and control.
Lists common hardware faults, their causes, and troubleshooting steps with LED indicators.
Details the procedure for connecting power supply to SITOP UPS1600 input and output terminals.
Explains how to connect SITOP UPS1100 battery modules to the SITOP UPS1600 using BAT connections.
Explains battery maintenance, replacement procedures, and battery types used.
Details safety protection classes and degree of protection ratings for the devices.












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