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From where the power is taken for the External RS-485 Module VSE 002 which is mainly used to connect VAMP protection relay series (200, 50 and 300)?

The power for the module is taken from pin 9 of the D-connector or from an external power supply interface.  There is a screw terminal 
(X1, see figure 1) for connecting an external  +9 – 12Vdc power supply. For more details, please check the user manual.
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