The CH Breaker Gateway System
Overview • 1
1
Overview
The CH Breaker Gateway is designed to allow CPC’s
family of site controllers to interface directly with Cutler-
Hammer Pow-R-Command PRC100 breaker control pan-
els (equipped with PRC100MOD System Controllers) to
activate and deactivate loads.
A Pow-R-Command™ breaker panel features remotely
controllable circuit breakers, each of which may be flipped
from OFF to ON and from ON to OFF by commanding the
PRC100MOD System Controller. The E2, Einstein, and
REFLECS site controllers communicate with the
PRC100MOD by use of the CH Breaker Gateway. The
Gateway has one MODBUS channel that interconnects up
to 4 PRC100MOD System Controllers and one RS485 I/O
channel that connects the Gateway to the CPC site control-
ler.
A CH Breaker Gateway controls up to 48 inputs and 48
digital outputs, and to the CPC controller the board appears
identical to 8RO (relay output) boards and 16AI (input)
boards. The Gateway can emulate up to 3 16AI and 6 8RO
boards, depending on the amount of breaker groups used.
1.1.
The CH Breaker Gateway
System
A typical layout of a CPC-controlled PRC100 network
configuration is shown in
Figure 1-1
.
1.2.
The CH Breaker Gateway
The CH Breaker Gateway
(Figure 1-2)
allows you to
drive multiple breakers from a single virtual I/O point by
arranging them into
breaker groups.
Each group repre-
sents one output point (driven by a lighting control or
schedule application in the CPC site controller) and one in-
put point (which sends a combined proof signal back to the
CPC site controller for proof checking).
The Gateway supports control of up to 48 breaker
groups, made up of breakers from up to 4 PRC100 panels,
each of which may have up to 48 breakers.
2
Mounting
2.1.
The CH Breaker Gateway
The Gateway is typically mounted in the same area as
the site controller, near the controller’s 16AI, 8RO, and
other RS485 Network peripherals. The Gateway is de-
signed to fit into a standard 3" snap track (supplied with the
board) or may be mounted in a panel or on stand-offs. Fol-
low the dimensions in
Figure 2-1
for panel mounting.
Figure 1-1
- Typical Layout of Panels, Gateway, and Controller
Panel 1
Panel 2
Panel 3
Panel 4
Gateway
Board
I/O Network
CPC
Controller
PRC100MOD
PRC100MOD
PRC100MOD
PRC100MOD
MODBUS
NETWORK
Figure 1-2
- Gateway Board
LEGEND
1
2
3
4
5
6
8
9
7
Hand-Held Terminal Jack
RS485 I/O Network
RS485 Receiver Bus Net
I/O Net Term Jumpers
1
2
3
4
5
6
8
9
7
Receiver Bus Term Jumpers
General Status LED
Alarm Status LED
Dip Switch
Power Connector
26502044
10
11
10
11
I/O Net Status LED
Receiver Bus Status LED
Summary of Contents for CH Breaker Gateway
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