20Ap1 Control Board; 20Ap1:1 Power Supply - ESAB Aristo Arc 4000i Service Manual

20AP1 Control board

This description is valid for power sources supplied with circuit board 0487 201 xxx.
Mig U4000i, Mig 4000i, Tig 4000i and Arc 4000i are supplied with this circuit board from
serial no. 803-xxx-xxxx and there above.
The processor on the control board monitors and controls the various functions of the power
source. It obtains information on welding data and welding processes from the welding data
unit.
Spare part boards
There are two hardware versions of the control board, for identification see page 40.
When replacing the board, do not forget to move the "terminal D jumper" and the "Y2-Y3
jumper" to the new board. See pages 36 and 38.
CAUTION!
This circuit board looks identical to the control board used in other power sources, but there
are differences in both hardware and software. If wrong board is used, it might cause
serious damage to the power source. Make sure that the replacement board has correct
article number, see the spare parts list.
Circuit board identity
The control board has a machine ID, a hardware ID and a unit type number. To read this
you need the ESAT service kit, see page 56.
S
The machine ID defines which type of power source the board is intended for.
S
The hardware ID shows design and type of circuit board.
S
The unit type is used for identification on the CAN bus.
The ID numbers of the Mig U4000i, Mig 4000i, Tig 4000i and Arc 4000i are:
Machine ID = 11
Hardware ID = 3 valid for version 1 of 20AP1.
Hardware ID = 9 valid for version 2 of 20AP1.
Unit type = 2
20AP1:1 Power supply
+24 V Power supply to relay board 20AP2
+15 V Internal power supply on 20AP1 and power supply to the pulse
-15 V Internal power supply on 20AP1.
+5 V Internal power supply on 20AP1.
+2.5 V Internal power supply on 20AP1.
cu19_20_1
transformers on 15AP2.
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S0740 800 191/E100629/P78