Siemens SENTRON PAC4200 - Page 124

Parameterizing
9.2 Parameterizing the operator interface
SENTRON PAC4200
124 Manual, 09/2008, A5E02316180B-01
CURRENT INPUT
Figure 9-4 "CURRENT INPUTS" device setting
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 Primary current of the current transformers
Range: 1 A to 99999 A
Default: 50 A
CT SECONDARY Secondary current of the current transformers
Range: 1 A, 5 A
Default: 5 A
Inverse evaluation of the current flow direction separately for
each phase.
CURRENT DIREC a
CURRENT DIREC b
CURRENT DIREC c
ON/OFF switch:
ON / OFF.
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
AV TIME SW DEMAND
AVERAGING TIME Averaging time for the sliding window demand.
Range: 3, 5, 10, 30, 60, 300, 600, 900 s
Default: 600 s
See also
Voltage input (Page 90)
Current input (Page 94)