11
Instructional Booklet
IB022010EN
Effective July 2019
Revision #4
Instructions for installation, operation,
and maintenance of medium voltage
VC-W MR2 (integral racking)
EATON
www.eaton.com
Control options
Figure 12. MR2 controller.
Gear Type Selector
Test / No Test
Pendant Control
Positional Limit
Switch Connection
I/O Control Connection
Safety Permissive
Connections
120 VAC input from
control power
120 VDC output to
MR2 motor
Figure 13. MR2 O/C controller.
There are three modes of operations available to communicate with
the integrated racking controller:
1.
Handheld pendant (see
2.
Discrete I/O;
3.
Modbus communication .
Option 1
The handheld pendant can operate the integral racking device from a
distance of up to 30 ft . (9 .14 m) from the equipment with a
Cat 5 cable (typically there will be an RJ-45 jack located on the front
panel of the switchgear - see
) . The MV device can be
racked to the connect, test(BPI pan only), or disconnect positions
by pressing the desired button on the pendant . MV device position
and error codes are indicated on the pendant .
With the pendant
plugged in, Discrete I/O and Modbus control are disabled.
This
is a feature that does not allow someone to operate the system
remotely while an operator is in close proximity of the switchgear .
m
CAUTION
THERE ARE NO SERVICEABLE PARTS INSIDE THE CASE OF THE PENDANT.
ATTEMPTING A MODIFICATION OR REPAIR OTHER THAN THOSE
EXPLAINED IN THIS SECTION COULD EXPOSE PERSONNEL TO SHOCK
HAZARD FROM INTERNAL CAPACITORS. OPENING THE CASE OF THE
PENDANT TO ATTEMPT A REPAIR WILL VOID THE WARRANTY.
Obsolete not used