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Appendix A Keysight SD1000A Safety Disconnect System
DI/DO (M8) Connector
In Safety Disconnect mode the DI/DO inputs and outputs are intended to control an auxiliary AC
contactor.
Rear panel pinout view
Pin
1
DOutput, +24V drive signal for AC contactor (drive current ≤500 mA)
2
DOutput, 24V drive signal return
3
DInput, AC contactor OK when shorted to pin 4
4
DInput, AC contactor OK when shorted to pin 3
Mating Connector Part Numbers
Connector
M12 female
M8 female
M8 male
Typical Customer-supplied Components
Component
ESTOP switch
RESET lamp/switch
POWER ON lamp
RELAYS CLOSED lamp
Safety cover switch
AC contactor
320
Typical connections
Description
Mates with
Remote Interface (M12)
Fixture Cover (M8)
DI/DO (M8)
Description
2-pole NC, latching, compatible with 24V
Blue LED 24V with momentary contact NO switch
Green LED 24V
Yellow LED 24V
Mates directly with a magnetic relay
3-phase AC contactor with NC auxiliary contacts
Phoenix Contact part number
1404420 (Wire gauge 24-28 AWG)
1681185 (Wire gauge 22-28 AWG)
1681169 (Wire gauge 22-28 AWG)
Part number
Eaton C22-PVT45P-K02
Eaton C22S-DL-B-K10-24
Eaton C22-L-G-24
Eaton C22-L-Y-24
Pilz magnetic relay 504222
Omron J7KNA-09-01
Keysight RP7900 Series Operating and Service Guide
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