GE Industrial Solutions Galaxy Power Systems - Manual (Page 145)

Installation Guide for Galaxy Power Systems
Issue 12 August 2012 Remote Peripheral Monitoring 10 - 3
RPM Installation
RPM Installation
Step Action
1 Make required equipment connections (except for the
temperature input) to the connection units as shown in
Figures 10-2, 10-3, and 10-4. Correct polarity must be
maintained. Cable is provided by installer; length should not
exceed 100 ohms per wire.
2 Route the wires connected to the module through the
open-faced bottom of the connection unit. Place a cable tie
through the opening at the bottom of the connection unit and
around the connected wires for strain relief. (See Figures
10-2, 10-3, and 10-4.)
3 TB102 is used for communications input/output within the
connection units. Use ONLY Lineage Powerís shielded
twisted pair cable per comcode 407377704 to wire the
communications bus as shown in Figure 10-5. This cable is
designed to the specific impedance necessary for optimum
use in this bus wiring application. Polarity is not essential
for this input/output communications bus wiring (expect for
the shield).
4 To verify that no shorts exist between any of the three cable
connections (blue, white, or shield) on the final bus module,
place a terminating resistor (560 ohm, comcode 405298308)
in the socket of the final bus module for each of the three
buses. Measure the resistance across the blue and white
wires of the module containing the terminating resistor. The
resistance measurement should be in the range of 560-600
ohms.
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