Siemens SICAM Q80 System Manual page 38

38 SICAM Q80 7KG8080
5.1.2.2.5 Second voltage system (U5 to U8)
If your SICAM Q80 7KG8080 is equipped with a second voltage system, you will have extra setting options.
All necessary parameters are entered analogously to the settings for the first voltage module.
The configuration types for the second voltage module
4-wire system
Note
Power Quality Recorder SICAM Q80 7KG8080, System manual
E50417-H1076-C420-A2, Release 12.01.2015
Second voltage system (U5-U8)
3-wire system 3xU
With measurement devices having the second voltage module, the current module is
missing.
Single line P-COM