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5 Mounting

5.4.4 Supplying the voltage regulator using an auxiliary voltage

The device is normally supplied by the voltage transformer. If the voltage

transformer does not provide the supply voltage and power (see "Technical

Data" on page 161) needed for operation, the device must be supplied via a

88...265 V AC/DC, 50...60 Hz auxiliary supply.

NOTICE

Voltage transformer damage

Connecting an auxiliary voltage when bridges are present between the

X2:1/3 and X2:2/4 terminals can result in voltage transformer damage.

► Remove the bridges between the X2:1/3 and X2:2/4 terminals if supplying

the device with an auxiliary voltage.

Proceed as follows to supply the device with auxiliary voltage:

1. Remove the bridges between terminals X2:1/3 and X2:2/4.

2. Connect the voltage transformer to terminals X2:1 and X2:2.

3. Connect the auxiliary voltage to terminals X2:3 and X2:4.

Figure 23 Voltage transformer and auxiliary supply connections

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MR TAPCON 230 basic Specifications

General