6 Connection Principle
6.1 Terminals
87SICAM P850/P855, 7KG85xx, Device Manual
E50417-H1040-C482-A6, Edition 10.2018
Functions of the Terminals at SICAM P850/P855
Table 6-2 Functions of the Terminals
Terminal Assigned Function,
Measured Value or
Indication
Description
E: I
A
L1
=>
Ia Conductor a, input, current measurement
E: I
A
L1
<=
Ia Conductor a, output, current measurement
E: I
B
L2
=>
Ib Conductor b, input, current measurement
E: I
B
L2
<=
Ib Conductor b, output, current measurement
E: I
C
L3
=>
Ic Conductor c, input, current measurement
E: I
C
L3
<=
Ic Conductor c, output, current measurement
F:
A
L1
Van Conductor a, voltage measurement
F:
B
L2
Vbn Conductor b, voltage measurement
F:
C
L3
Vcn Conductor c, voltage measurement
F: N N Neutral conductor, voltage measurement
G: Root Common root for both binary outputs
G: B2 Binary output 2 Binary output 2
G: B1 Binary output 1 Binary output 1
H: Protective conductor -
H: N / - N/- Neutral conductor of the mains voltage or
negative supply voltage
H: L / + ph/+ Phase of the mains voltage or
positive supply voltage
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