Siemens SENTRON PAC4200 Manual page 124

Parameterizing
9.2 Parameterizing the operator interface
CURRENT INPUT
Figure 9-4
CAUTION
Please note current carrying capacity
Overload can destroy your SENTRON PAC4200.
The device must know the current conversion ratio. For this purpose, the primary and
secondary currents must be specified in the fields "CT PRIMARY" and "CT SECONDARY".
CT PRIMARY
CT SECONDARY
CURRENT DIREC a
CURRENT DIREC b
CURRENT DIREC c
AV TIME SW DEMAND
AVERAGING TIME
See also
Voltage input (Page 90)
Current input (Page 94)
124
"CURRENT INPUTS" device setting
Primary current of the current transformers
Secondary current of the current transformers
Inverse evaluation of the current flow direction separately for
each phase.
Averaging time for the sliding window demand.
Range: 1 A to 99999 A
Default: 50 A
Range: 1 A, 5 A
Default: 5 A
ON/OFF switch: ON /
OFF: The device interprets the current flow direction
in accordance with the wiring.
On: Direction of current flow is inverted. The device
interprets the current flow direction opposite to the
wiring.
Default: OFF
Range: 3, 5, 10, 30, 60, 300, 600, 900 s
Default: 600 s
OFF.
SENTRON PAC4200
Manual, 09/2008, A5E02316180B-01