7-25
Unit 1
141030
CONTROL BOARD
1 2 3 4
S301
12
J300
34 3 2 14
J303A J303B
CNC Interface Cable
J303A
S301
J303B
J300
CONTROL BOARD
141030
Unit 2
J303A
S301
J303B
J300
CONTROL BOARD
141030
Unit 3
J303A J303B
S301
J300
141030
CONTROL BOARD
Unit 4
CNC Interface CableCNC Interface Cable CNC Interface Cable
Serial ID
Dipswitch
Machine Motion
Jumper Block
Jumper Block
Machine Motion
Dipswitch
Serial ID
Jumper Block
Machine Motion
Dipswitch
Serial ID
Jumper Block
Machine Motion
Dipswitch
Serial ID
J10 4
21
J105
1 2
J10 4
1 2 1 2
J105 J104
1 2 1 2
J105 J10 4
1 2 1 2
J105
Optional Multi-System Interface
5 6 7 8
1234 3 2 14 1234 3 2 14 1234 3 2 14
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
HPR PAC
Dry Cutting System
HPR PAC
Dry Cutting System
HPR PAC
Dry Cutting System
HPR PAC
Dry Cutting System
4 3 2 1
1
A
4 3 2
A
B
C
D
B
C
D
Interface
CNC
(Customer Supplied)
Switch 1 is in the On position
Switches 2-8 are in the Off position
S301
1 2 3 4 5 6 7 8
Dipswitch setting example:
21 3 4
5 6 7 8
ON
ON
120
RX
Termination Termination
120
TX
Notes:
1) For single system installations set Serial ID (S301), and Machine Motion (J300) as shown in Unit 1,
jumpers J104 and J105 must be closed.
2) On multi-system installations refer to the illustration. Jumpers J104 and J105 are left open on all
systems except for the very last system where they are in the closed position. Termination resistors (120-ohm) or
termination jumpers must be installed/set at the CNC for each of the RS-422 RX and TX signal pairs.
3) If a Hypertherm Automation Controller is being used, and there are intermittent communication failures
(PS Link Failure), try removing the jumpers on J104 and J105 on the control board, and the termination jumper
(J6 or J8) on the serial isolation board in the controler. Only remove the termination jumper on the
serial isolation board that is connected to the HPR power supply. See sheet 19 for more details.
ELEC SCH:HPR400XD POWER SUPPLY W/AUTO
F
013374
SHEET 21 OF 24
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