Hypertherm HD4070 Rev.8 User Manual
Page 178
MAINTENANCE
HD4070
Instruction Manual
5-31
3
J 3
J 1
J 2
J 4
4070
.54
D 2
D 3
D 6
D 2 1
D 2 0
D 1 9
D 1 8
D 1 7
D 1 6
D 1 5
D 1 4
D 1 3
D 1 2
D 1 1
D 1 0
D 9
D 8
D 7
D 3 0
D 2 9
D 2 8
D 2 7
D 2 6
D 2 5
D 2 4
D 2 3
D 2 2
Gas Console Relay Boards PCB1 and PCB3 – LED Description Lists
LED
Signal Name
Function
LED
Signal Name
Function
D2
+12 VDC
Power indicator
D18
SV2
H5 in
D6
SV11
Plasma operate
D19
SV1
H35 in
D7
SV13
Air Plasma operate
D20
SV3
CO2 in
D8
SV15
N2 Plasma preflow
D21
SV5 & SV10
O2 in
D9
SV17
Shield operate
D22
MV2 Close
Plasma operate - N2 / Air
D10
SV18
N2 Shield operate
D23
MV2 Open
Plasma operate - N2 / Air
D11
SV16
Air Plasma preflow
D24
MV1 Open
Plasma operate
D12
SV14
Plasma preflow
D25
MV1 Close
Plasma operate
D13
SV12
N2 Plasma operate
D26
SV23, 24, 25, 26
Torch select
D14
SV8
H35 and H5,
D27
SV21
N2 Shield preflow
Double fault protection
D28
SV20
Shield preflow
D15
SV7
Air in
D29
SV19
Air Shield operate
D16
SV6
N2 in
D30
SV22
Air Shield preflow
D17
SV4 & SV9
CH4 in
J 3
J 1
J 2
J 4
4070
.54
D 2
D 3
D 6
D 2 1
D 2 0
D 1 9
D 1 8
D 1 7
D 1 6
D 1 5
D 1 4
D 1 3
D 1 2
D 1 1
D 1 0
D 9
D 8
D 7
D 3 0
D 2 9
D 2 8
D 2 7
D 2 6
D 2 5
D 2 4
D 2 3
D 2 2
LED
Signal Name
Function
LED
Signal Name
Function
D2
+12 VDC
Power indicator
D18
MV3 Open
Plasma Preflow
D6
MV5 Open
Shield Operate
D19
MV3 Close
Plasma Preflow
D7
MV6 Open
Shield Operate – N
2
/Air
D20
MV4 Close
Plasma Preflow – N
2
/Air
D8
MV7 Open
Shield Preflow
D21
Ignitor
Tch #1
D9
MV8 Open
Shield Preflow – N
2
/Air
D22
SV34
Vent – Tch #2
D10
SV36
Shield Preflow Tch #2
D23
Not used
D11
MV8 Close
Shield Preflow – N
2
/Air
D24
SV32
Plasma Cutflow – Tch#2
D12
MV7 Close
Shield Preflow
D25
SV33
Plasma Preflow – Tch#2
D13
MV6 Close
Shield Operate – N
2
/Air
D26
SV35
Shield Cutflow – Tch#2
D14
MV5 Close
Shield Operate
D27
SV27
Plasma Cutflow – Tch#1
D15
Ignitor
Tch #2
D28
SV28
Plasma Preflow – Tch#1
D16
SV31
Shield Preflow Tch #1
D29
SV30
Shield Cutflow – Tch#1
D17
MV4 Open
Plasma Preflow – N
2
/Air
D30
SV29
Vent – Tch#1
PCB3
PCB1