ESAB AristoMig U400, Instruction Manual, Page: 8 / 20

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5.4 Terminating resistor
In order to avoid communication interference, the ends
of the CAN bus must be fitted with terminating
resistors.
One end of the CAN bus is at the control panel, which
has an integral terminating resistor. The other end at
the power source must be fitted with the terminating
resistor, as shown on the right.
6 OPERATION
General safety regulations for the handling of the equipment can be found on
page 3 . Read through before you start using the equipment!
6.1 Connections and control devices
1 Connection for cooling water from the TIG
torch -- RED
10 White indicating lamp -- Power supply ON
2 Connection with ELP* for cooling water to
the TIG torch -- BLUE
11 Orange indicating lamp -- Overheating
3 Cooling water filler 12 Fuse 4 AT
4 Connection for welding current cable (+)
at MMA welding or for return cable at TIG
welding
13 Connection for control cable to the wire
feed unit or to the terminating resistor
5 Connection for remote control adapter 14 Connection for gas hose
6 Connection for return cable (--) or for wel-
ding current cable at TIG welding
15 Connection for welding current to the wire
feed unit
7 Connection for start signal from the torch. 16 Connection for cooling water to the wire
feed unit -- BLUE
8 Connection for gas to the TIG torch 17 Connection for cooling water from the wire
feed unit -- RED
9 Main power supply switch, 0 / 1 / START
* ELP = ESAB Logic Pump, see point 6.5
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