20Ap1 Control Board; 20Ap1:1 Power Supply - ESAB Caddy Tig 2200i AC/DC Service Manual

20AP1 Control board

The processor on the control board monitors and controls the various functions of the power
source.
The control board is used in combi mode. In combi mode the board handles the control of
the power source, the welding data unit and the MMC panel.
If the circuit board is faulty, it must be replaced. After replacing the circuit board, soft--start
the machine. See the instructions on page 54.
Circuit board identity
Power source unit
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 43.
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.
S
The ID numbers of the Tig 2200i AC/DC are:
Machine ID = 34
Hardware ID = 4
Unit type = 2
Welding data unit and MMC
The machine ID for the MMC part of the control board determines which type of control
panel that is used. The machine ID can be changed by ESAT.
The ID numbers of the different control panels are:
TA33 AC/DC machine ID = 23
TA34 AC/DC machine ID = 19
Hardware ID = 4
Unit type = 0
20AP1:1 Power supply
+5V and +2.5V
IC6 monitors the 24 V voltage supply to the 5 V regulator on circuit board
2AP1. IC16 monitors the 5 and 2.
processor with +2.
ct33_20
V supplies. Regulator VR4 supplies the
5
V.
5
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S0740 800 179/E071123/P64