Galaxy Control Systems 635 Series Installation/Configuration Manual page 22

635/600-SERIES H ARDW ARE I NSTALL GUIDE
3. 600 DIO Board - Digital Input / Output Board–
Supports maximum 8 inputs per board

Supports maximum 4 outputs per board

 SW1 Reset Switch
4. DSI Board - Dual Serial Port Interface –
2 RS485 Communication Ports per board (Section-1/Section-2)

 SW1 Reset Switch
120 K ohm termination resistors included with board (only install resistor near the RS485

connector if the board is at the end-of-line for the 485 Section (channel) you are wiring. Treat each
section independently; one section could be at EOL when the other section is not.
5. 600/635-model Relay Board - for General Output or Elevator Control
 Supports 8 outputs per board
 Uses Form-A SPST Relays.
RS485 Communication Port (3-pin A/B/GND)

Board ID is addressed via dipswitch

6. 635-model Input Board
Supports 16 Inputs per board (normally open/normally closed must be set in the software screen)

RS485 Communication Port (3-pin A/B/GND)

 Termination Jumper (2-pin black) – installer must install jumper only if the board is at the end-of-line.
 Voltage / Tamper input terminal provided
Board ID is addressed via dipswitch

Chapter-Page 1-9