Relay board led status – Hypertherm HT4400 HySpeed Plasma Arc Cutting System User Manual
Page 114
MAINTENANCE
HT4400
Instruction Manual
5-23
8
Relay Board LED Status
RUN Mode - Idle
D22
Power to
Choppers
D16
Analog PCB
power
D17
Start Circuit
Assy power
(Power Supply)
D18
Pump motor
enable
D20
Output
Enable
+12 VDC
Relay Board LED Status
RUN Mode - Cutting
D22
Power to
Choppers
D16
Analog PCB
power
D17
Start Circuit
Assy power
(Power Supply)
D18
Pump motor
enable
D12
SV-11 Plasma
cut-flow
(Valve Cluster)
D11
SV-12 Plasma
off valve
(Valve Cluster)
D19
SV-9 Shield
cut-flow
(Valve Cluster)
D20
Output
Enable
+12 VDC
D26
Arc on
D15
DC ON
D14
CON1
D8
Start Counter
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