Thc control board -47, Thc control board – Hypertherm HD4070 Rev.1 User Manual
Page 210

HyPerformance HD4070
Instruction Manual
5-47
MAINTENANCE
THC control board –
status lights during normal power-up
.
The following LEDs are located on the control board inside the control box. See figure below for location.
LED Signal function
Status
D9 – cycle start input
Off
D10 – auto height on/off
Off
D11 – spare input
Off
D12 – spare input
Off
D13 – IHS sync input
Off
D14 – spare input
Off
D15 – machine cable
On
D17 – transfer input
Off
D18 – pilot arc input
Off
D19 – nozzle contact
Off
D20 – spare input
Off
D21 – torch 1 select
Off
D22 – torch 2 select
Off
D23 – plasma cable
On
D25 – machine motion output
Off
D26 – THC error out
Off,
(On if there is error)
D27 – pilot arc output
Off
D28 – retract complete
On
D29 – spare out
Off
D30 – IHS complete
Off
D31 – error #1 (Not functional)
On
D32 – plasma start output
Off
D33 – hold ignition output
Off
D34 – pierce complete out
Off
D35 – spare out
Off
D36 – spare out
Off
D37 – high voltage relay active
Off
D38 – error #2 (Not functional)
On
LED Signal function
Status
D41 – +24v
On
D42 – -12v
On
D43 – +12v
On
D44 – +5v
On
D45 – response switch 1
Off
(user-definable response)
D46 – response switch 2
Off
(user-definable response)
D47 – response switch 3
Off
(user-definable response)
D48 – crash detect (future use)
Off
D49 – home position
On momentarily,
then Off
D50 – lower limit switch
Off
D51 – motor current check
On
D52 – response sw4
Off
D53 – drive ID 1
Off
D54 – drive ID 2
On
D55 – drive ID 4
Off
D56 – spare input
Off
D57 – motor drive installed
On
D58 – encoder A
On or Off
D59 – encoder B
On or Off
Cntrl box
THC #1 Control board
THC #2 Control board