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1-4 • E2 RX/BX/CX I&O Manual 026-1610 Rev 13 14-SEP-2011
1.4 Networking Overview
1.4.1 E2 I/O Network
Most of the general purpose input and output commu-
nications devices required by the E2 to control refrigera-
tion systems are connected to the E2 via the I/O Network.
The I/O Network is a simple RS485 three-wire connection
that allows data interchange between input boards (which
read sensor values and digital closures), output boards
(which carry out commands from E2’s control applica-
tions), and the E2 itself.
The I/O Network is the same thing as the COM A and
COM D Networks found on Retail Solutions’ previous
generation of controllers, REFLECS. This allows current
owners of Retail Solutions’ Refrigeration Monitor and
Control (RMC) or Refrigeration Monitor and Case Control
(RMCC) controllers to easily retrofit with an E2 RX with-
out need for re-wiring.
E2 Alarm Panel 7 7 7
Energy Meter 303030
Enhanced Suction
Group
004
ESR8 ESR Control 0 99 99
Flexible Combiner 64 128 128
Heat/Cool Control 4 6 8
Holiday Schedule 8 16 32
HVAC Zone 4 6 12
Infrared Leak Detec-
tion
11616
Irrigation 2 2 2
Lighting Control 6 24 48
Logging Group 8 32 32
Loop/Sequence Control 8 16 28
K5 Ref Scroll 0 0 31
MultiFlex ESR 0 31 31
MRLDS 242424
Performance Alert 0 0 63
Power Monitoring 2 8 16
Pulse Accumulator 4 8 16
RCB Controller 0 32 32
RMS Asset 999999
Standard Circuit 6 12 32
Suction Group 0 0 4
TD Condenser Fan
Control
81628
TD3 Controller 0 99 99
Capabilities
CX-
100
CX-
300
CX-
400
Table 1-3 - CX-100, CX-300, and CX-400 Comparison
Time Schedule 8 16 32
Capabilities
CX-
100
CX-
300
CX-
400
Table 1-3 - CX-100, CX-300, and CX-400 Comparison