Installation Guide

TP-6906 4/1626 Section 1 Installation Instructions
1.4.9 System Connections with
Accessory Modules
See Figure 1-14 through Figure 1-17 for connection
options with up to three accessory modules. Accessory
modules can include one Model RXT transfer switch,
one programmable interface module ( PIM), and/or one
load control module (load shed kit).
See Section 1.4.8 for cable s ize and length
specifications.
Generator Set
GND
A
B
COM
PWR
1A
1
RBUS
12VDC
RXT*
COM
COM
PWR
COM
PWR
PWR
B
A
B
A
B
A
COM
PWR
B
A
COM
PWR
B
A
4
5
2
1
3
5
Load Shed Kit
PIM
COM
PWR
B
A
Note: See Section 1.4.8, Communication Cable
Specifications for maximum cable lengths.
* RXT transfer switch with s tandard or combined interface/load
management board. Do not use a load shed kit with a
combined interface board.
1. Customer connection terminal block. See Figure 1-10 for location. Check the decal on the generator se t for terminal block connections.
2. Connect one end of each cable shield to GROUND at the generator set.
3. Communication cable. See Figure 1-13 for cable specifications, including maximum total cable length per run (1 run shown).
4. Connect shields together as shown.
5. Leave the end of each cable shield disconnected at the last device.
4
3
Figure 1-14 Accessory Module Communication Connection Details