Galaxy Control Systems 635 Series Installation/Configuration Manual page 195

WIRE DISTANCES AND GAUGES:
Connection
Reader Hardware
Composite Cable
Lock Hardware
Observe Fire and Electrical Codes for wiring insulation jackets for PVC-rated cable or
WARNING!
plenum-rated cable. Use plenum-rated cable when appropriate.
Ratings for LOCK RELAYS on 635 DPI Boards:
1. There are a total of 4 relays on the 635 DPI; two relays per section.
2. Each section/port has a lock relay (a.k.a. relay 1) and a general output relay (a.k.a. relay 2).
3. All (4) relays are DRY* Form-C SPDT Max. 24 VDC @ 1.5 amps.
 The output relays (relay-2) are always DRY operation;
 The lock relays (relay-1) can support either dry contact relay operation (*jumpers removed) or
wet contact relay operation (jumpers installed).
WARNING: carefully follow the diagrams and instructions in the Install Steps to ensure proper
wiring and relay operation. Locks must use separate power supply.
600-SERIES HARDWARE MANUAL
Appendix Q - 635 DPI Installation
Max Distance
500 ft
500 ft
500 ft
APPENDIX-Page Q-3
Wire
22 AWG, 10-conductor, stranded/shielded; land drain
wire on one end only to negative on the board.
18 AWG & 22 AWG Card Access 4-Element
18 AWG 2-conductor minimum, stranded