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The DSO-2 module (DSO = Distributed System Operator) enables reliable switching of commands in power networks with 1 from N monitoring, measuring circuit testing and cascading to command groups. The command relays are 2-pole and actuated via release relays.
Actuation is typically with double commands:
1 of n monitoring of commands (multi-stage)
Command and release relays
measuring circuit testing for monitoring the external contact multiplying relay coil resistance
Individually adjustable external circuit resistors for every intermediate relay
2-pole variant of the command card
individually adjustable suppression of imperfection time
Individually adjustable post command lag time
Cascading of multiple cards into command groups
Technical Data
Capacity
4 command relays for 1 double command, 2-pole, to 72 V DC
2 return information inputs, 24 – 60 V DC ±20%
Power supply
Internal over T-BUS, approx. 250 mA per module, up to 4 modules
approx. 70 mA @ 24V DC supply
external process voltage required on X.9/10
Housing
Plastic with integrated I/O, top-hat rail installation
