3
UMG 509
Applying the residual current 86
Checking the power measurement 88
Checking the communication 88
Measurement range exceeded (overload) 89
RS485 interface 90
Profibus 92
Digital in-/outputs 96
Service and maintenance 102
Service 102
Device calibration 102
Calibration intervals 102
Firmware update 103
Battery 103
Technical data 106
Function parameters 114
Declaration of conformity 116
Dimension diagrams 118
Configuration menu overview 120
Measured value displays overview 121
Connection example 124