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In case of the Power Controller type 2P, the voltage transformers output the voltages L1-L2 and
L3-L1. To achieve a good resolution of the voltage measurement, 3 measuring ranges are provided.
Selection of the ranges is performed by means of 4-pin bars, which have been set to the Power
Controller type voltage by the works. The pin bars are found on the control device A70 above the
terminal X7.
MAINS SHORT CIRCUIT JUMPERS MAX.
VOLTAGE X501, X502, X503 MEASURING
230V 1 - 2 253V
400V 2 - 3 440V
500V respectively 690V 3 - 4 760V
TAB. 17 VOLTAGE MEASUREMENT JUMPER
If the jumpers are changed, then a change of parameters is required.
Hardware parameters
Type voltage U_TYP
U eff max UEMA
X501-3,1-2,2-3,3-4 TYP-BEREICH
Mains voltage U_NETZ_ANW
(Thyro-Tool Family)
REMARK
Voltage readings in not-controlled phases
Thyro-P 2P
Although phase 2 is not controlled with Thyro-P 2P, it is possible to take measuring values during
this phase. The voltage transformer suitable for standard rail assembly (order no. 2000000399) is
to be used. Connection is made as in table 21 to X7.1.26 – X7.2.25. The maximum induced voltage
of the transformer (incl. over-voltage) must be less than 50 volts.
Thyro-P 1P
As only phase 1 is controlled with Thyro-P 1P, the reading systems of phase 2 and 3 can be used
freely. The voltage transformer suitable for rail assembly (order no. 2000000399) is to be used.
Connection is made as in table 23 to terminals X7.1.26 – X7.2.25 for “phase 2” and X7.1.36 –
X7.2.35 for “phase 3”.
The measuring values do not infl uence the controller and are available for Bus interfaces, display
and analog outputs. Parameter values must not be changed.
4.12 OTHER CONNECTIONS AND TERMINAL STRIPS
ROOT*
BREAK CONTACT
CLOSER
Alarm relay K1 X2.7 X2.8 X2.9
Limiting K2 X2.10 X2.11 X2.12
Option K3 X2.13 X2.14 X2.15
* tie point
TAB. 18 TERMINAL STRIP X2 FOR K1, K2, K3