Rockwell Automation 2364P Parallel DC Bus Supply Config. - Manual (Page 177)

Publication 2364P-5.01 December 1999
Installation 15-5
Ground-Fault Detection Option
The parallel configuration may include the optional ground-fault
detector. When configured properly, this detector will indicate the
ground voltage on the door-mounted meter, and will energize the
relay (with NO/NC contacts) in the event of an excessive ground
voltage.
To configure the ground-fault detection relay, wire terminals TB2-1
and TB2-2 across the power transformer grounding resistor (in
accordance with system schematics and transformer manufacturer
specifications). Terminals TB1-7 and TB1-8 can be wired to an
appropriate monitoring device, if desired.
Figure 15.3
Ground-Fault Detection (Wiring)
1
2
1
2
7
8
7
8
TB 2
TB 1
150
Ω 10
12
2
4
G ro und-F au lt De te ction
M e ter-R elay O ptio n (VM 2)
To M on itoring
D evice
Pow e r Transform er
G ro unde d-W ye Se co nda ry