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INSTALLATION
DANGER!
• If proper earth grounds cannot be provided, do not use the
equipment! Serious injury or death can occur.
• Do not place the MIG system within 15.24 m (50 ft) of other
sources of noise (i.e., GTAW arc starters, plasma cutters,
induction
dielectric heaters, etc.). Equipment that generates impulse or
high-frequency noise can cause unexpected equipment operation
and failure, which may result in serious injury or death.
NOTE:
If the robot and controller are within 4.57 m (15 ft) of each other, a common earth ground may
be used. Otherwise, separate earth grounds must be used.
1. Connect one end of each robot earth ground cable to lug marked EARTH
GROUND on bottom back of each robot.
2. Connect other end of each robot earth ground cable to the earth ground stake.
3. Connect one end of each second earth ground cable to common ground bus
bar inside each controller.
4. Connect other end of each second earth ground cable to earth ground stake.
4.10.3
Connecting the Programming Pendant Cable
Unwrap the programming pendant and place it on the pendant holder located on
the R1 controller. Connect the pendant cable to the R1 controller at the connector
labeled PROGRAMMING PENDANT.
4.10.4
Connecting the Welding Cables
Negative (Ground) Cables
The MRM2-750 S3X positioner has two welding ground bars that receive two
welding ground cables from the welders. Both welding ground cables are shipped
in an accessories box. To connect the ground welding cables, use your system
prints and proceed as follows:
1. Unpack the negative ground cables and check for damage.
NOTE:
If damage is found, notify shipper immediately.
2. Connect one end of the welding ground cable to the Welder 1 negative (-)
terminal (see Figure 4-15). Check that the connection is tight.
CAUTION!
• Poor arc performance and cable overheating may result if both
welding cables sharing the same ground.
• All ground connections must be tight. If the connections are
loose, arcing can occur and cause the insulator to melt.
3. Connect the other end of the Welder 1 ground cable to the WELD 1
grounding bolt located on the side of the headstock cabinet (see Figure 4-14).
See Figure 4-13 for cable routing preferences. Check that the connection is
tight.
ArcWorld IV-6200 XHD DR2C System Manual
furnaces,
high-power-resistance
4-14
spot
welders,
MOTOMAN
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