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A3 MIG Welder© Kemppi Oy 2018 1826
INTEGRATION GUIDE
At the wire feeder, make the connection to the
control cable connector.
At the power source, connect the cable to the
control cable connector at the rear of the power
source unit.
3.6.2 Welding cable
The welding cable delivers welding power from the power
source to the welding head.
At the wire feeder, connect the cable to the screw
terminal on the front of the unit.
At the power source, connect the cable to the (+)
connector at the rear of the power source unit.
3.6.3 Shielding gas hose
The shielding gas hose delivers the shielding gas to the
wire feeder. The wire feeder is equipped with a gas valve.
At the wire feeder, connect the hose to the shielding
gas snap connector.
Connect the other end of the hose to the shielding
gas supply.
3.7 Fieldbus communication
This welding system supports DeviceNet communication
Table 3.2: Kemppi Oy vendor ID and device description le
for the DeviceNet
Fieldbus Vendor ID Device description le
DeviceNet 1403 (integer) EDS
(Electronic Data Sheet)
The DeviceNet is wired into the 7-pin machine connector
located at the rear of the welding power source. It shares
the connector with a safety stop function (see Figure 3.8,
“Fieldbus connector pinout”).
Figure 3.8: Fieldbus connector pinout
Devicenet – Amphenol
1. D DeviceNet V- (GND)
2. C DeviceNet CAN_L
3. G DeviceNet Drain (Shield)
4. F DeviceNet CAN_H
5. E DeviceNet V+ (+24V)
Safety – Amphenol
1. A Safety stop signal
2. B Safety stop GND
The eldbus connector is clocked to avoid confusion
with other 7-pin connectors in the power source.
3.8 Safety stop
The safety stop is an input signal that halts the system
when the operator presses an emergency stop button.
The input is galvanically isolated from the other hardware
I/O of the welding power source. The signal shares the
same connector with the DeviceNet (see the Figure 3.8,
“Fieldbus connector pinout”).
The safety stop is congured by using the DIP switches.
F
G
Safety switch
Figure 3.9: Connecting safety stop switch
8


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