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2004 – 2014 Reliable Controls
®
Corporation. All rights reserved.
SMART-S
ENSOR
E
XPANSION
B
OARD
(SSX)
Each SMART-Sensor
™
expansion board (SSX) provides five expansion ports that can be
used as a central hub for field installed SSs. A centrally located SSX may reduce the wiring
length to individual SSs, resulting in more robust and error free communication.
Additionally, each SSX can be connected to an external power source for the purpose of
boosting the power to connected SSs, allowing the combined overall cable length of a
SMART-Net
™
to be maximized.
F
IGURE
17: SMART-S
ENSOR
™
EXPANSION
BOARD
The use of the flat satin cable is not advised unless kept to a short distance. This wire is
typically 28 AWG and is not designed for longer distance runs.
T
ABLE
5: R
ECOMMENDED
M
AXIMUM
SMART-N
ET
™
C
OMBINED
C
ABLE
L
ENGTH
E
ND
-
TO
-E
ND
Installation
Length
Without SSX
50 meters (150 feet)
With SSX and external power source
80 meters (250 feet)