Fronius Robacta Drive Einbauanleitung Seite 10

Converting the -
appliance to -
"Robacta Drive
Single"
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Checking the
motor speed on
the Robacta
Drive
Fig.2
Unscrew housing cover and cheeks
Unplug control transformer, NMI 4D and BM 45B and replace with new control
transformer, NMI 4RD, NVZ 42 and PV 45S.
Note! Replace pc board mounting plate only in cases where the serial number
of the power source is below 08303000.
Plug the 12-pin Molex cables into NMI4 RD (A4/x8) and the 10-pin Molex cables into
PV45S A25/x3.
Plug the original connector for NMI4 D (A4/x8) into the vacant 12-pin Molex coupling.
Plug the 6-pin Molex connector into NVZ 42 (A24/x2) and fasten it correctly at
primary rectifier +/-.
Plug the 4-pin Molex connector into NVZ 42 (A24/x1) and the 6-pin Molex connector
into PV45S (A25/x1).
Remove the existing cables from the 37-pin CPC X9/26, 27 at rear and plug into X9/
26,27, using the new 4-pin Molex cable (A25/x2).
Unplug the actual-motor-value lead from the 37-pole CPC X9/29 at rear, and plug it
into X9/36.
Check all connections to make sure they are in accordance with the wiring diagram.
P4
P3
Motor speed adjustment knob on NMI 4RD
Note! Speed check required only
in case of NMI 4RD replacement.
No alignment is possible in the
set-up menu!
- Assemble entire system (without
welding wire!)
- Check sense of rotation
- Set wirefeed speed to a minimum of
1m/min ... speed RD: 14 rpm
- Correction possible with P4 on pc
board NMI 4RD
- Set wire feed speed to a maximum of
22m/min ... speed RD: 310 rpm
- Correction possible with P3 on pc
board NMI 4RD
- Following alignment, check the
minimum and maximum value once
again.
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