Form 6 triple-single microprocessor-based rack mount recloser control
18 INSTALLATION AND OPERATION INSTRUCTIONS MN280084EN July 2018
Grounding the control
WARNING
Hazardous voltage. Recloser and control must
be solidly grounded. Follow all locally approved
procedures and safety practices when grounding this
equipment. Improper grounding can result in contact
with high voltage, which will cause death or severe
personalinjury. G115.1
Both Form 6-TS rack mount control modules (interface
power and control) must be solidly grounded prior
to installation or energization. Refer to Figure11 for
groundingconnections.
ote:N Grounding of the mounting panel or standard
19”rack does not eliminate the ground requirement
for the control modules.
The grounding connection on the back of each control
module will accommodate a spade connector or ring
terminal that fits on a .25 inch diameter grounding terminal
stud (
Figure10
).
ote:N Control grounding must comply with all locally
approved procedures and safety practices that apply
in a substation or other appropriate indoor facility.
The NOVA-TS recloser(s) that the control will be
connected to must also be properly grounded per
the recloser grounding requirements. Refer to the
instructions applicable to your recloser:
NOVA-TS Triple-Single (3) reclosers. Refer to Service
Information MN280045EN NOVA-TS Recloser Installation
and Operation Instructions.
Separately ground the junction box directly to
stationground.
Ground shields on both ends of the customer-supplied
control cable.
ote:N Do not expose the cable shield on the control side
more than 12 inches from TB2 on the interface power
module (Figure11).
ote:N Splice the cable shield and ground it to the ground
terminal on the back of the interface power module
(below TB2) and directly to station ground.
TB1
1
2
3 57911 13 15 17 19
46 81012141618
CI1
CI2 CI3 SS1 CO1
CO2 CO3
CO4
CI4
CI1 CI2 CI3 SS1 CO1 CO2 CO3 CO4
TB3
1
3
579111315171921
CI5 CI6 CI7 CI8 CI9 CI10 CI11 CO5 CO6
TB4
2
46 81012141618
20
CI4 CI5 CI6 CI7 CI8 CI9 CI10 CI11 CO5
CO6
13
5
7911 13
CO7 CO8
CO9 CO10 CO11
CO12
2
46 81012
CO7 CO8 CO9 CO10 CO11 CO12
FUSE
(10 AMP)
FUSE
(10 AMP)
TB5
+
1
-
5
2
-
4
+
INPUT POWER AUXILIARY POWER
28 VDC
TB2
1234 5 6789101112131415161718
19 20
J1-RS-232
IRIG-B
RS-485
RS-232 DTE
C + –
P1
P2
P3
P4
VOLTAGE SENSING
53VDC CONTROL CABLE 28 VAC
FUSE
(10 AMP)
FUSE
(10 AMP)
TB12
+
1
-
5
2
-
4
+
TB9
+
–
28 VDC
WHETTING VOLTAGE
+
–
48/125 VDC
CONTROL CABLE
FUSE
(10 AMP)
FUSE
(10 AMP)
TB13
+
1
-
5
2
-
4
+
V(1-2)
V(3-4) V(5-6)
TB10
VOLTAGE SENSING
TB11
Interface Power Module
Control Module
Factory
Wiring
Port
Grounding Terminal Stud
.25 inch diameter x .75 inch length
Grounding Terminal Stud
.25 inch diameter x .75 inch length
V(1-2)
V(3-4) V(5-6)
VOLTAGE SENSING
Figure10. Location of Form 6-TS rack mount control grounding terminals on back panels