635/600-SERIES HARDWARE INSTALL GUIDE
Chapter-Page
1-25
1.11
Relay Ratings and Current Draw
The following tables show Relay Ratings and the Current Draw with and without relays energized.
Table 9: Ratings for Relays for Galaxy Hardware
Board
Relay Type
Port Output =
635 DRM Reader Board
Form-C SPDT Relays
supprots “dry” or “wet”
contact relay operation.
See Appendix Q for details.
24 VDC @ 1.5 amps maximum per relay.
600 DPI Reader Board
DRY Form-C SPDT Relays
Supports dry contact only.
24 VDC @ 1.5 amps maximum per relay.
600 DIO Board
DRY Form-C SPDT Relays
24 VDC @ 1.5 amps maximum per relay.
600 Output Relay Board
Elevator Control or General
Output Control
DRY Form-A SPST (NO)
24 VDC @ 1.5 amps maximum per relay.
Requires a separate power supply.
635 Output Relay Board
Elevator & General Output
Control
DRY Form-C SPDT
Support NO and NC wiring.
24 VDC @ 1.5 amps maximum per relay.
Requires a separate power supply.
Table 10: Board Current Draw for Galaxy Hardware
Current draw for a single board
Current draw with relays energized
CPU
=
0.07
amps (70 mA)
n/a
DPI / DRM
=
0.03
amps (30 mA)
0.25
amps (250 mA)
with
2
HID ProxPro readers
and all 4 relays energized.
DIO
=
0.05
amps (50 mA)
0.15
amps (150 mA) with all 4 relays energized
Relay Board
=
0.02
amps (20 mA)
0.60
amps (600 mA) with all 8 relays energized.
DSI
=
0.02
amps (20 mA)
n/a
Ex: one Controller with 1 CPU, 1 DPI, 2 Prox Readers and all 4 relays energized will draw 0.350 amps.
