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6XX SERIES RELAY BOARD
General Relay & Elevator Relay Interface Boards: Relay boards can be used to drive General Relay Outputs or Elevator Relay Outputs. The Relay board supports eight relays per board and interoperates with the Galaxy DSI board using RS-485 protocol in a multi-drop configuration.
600/635 Relay/Elevator Board (MUST HAVE DSI BOARD). Each relay board has eight Form-A SPDT output relays. This board should be powered separate from the CPU & DSI. This board is used in general output panels and elevator control panels.