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2004 – 2014 Reliable Controls
®
Corporation. All rights reserved.
SMART-SENSOR EXPANSION BOARD (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.
FIGURE 17: SMART-SENSOR™ 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.
TABLE 5: RECOMMENDED MAXIMUM SMART-NET
™
COMBINED CABLE LENGTH END-TO-END
Installation Length
Without SSX 50 meters (150 feet)
With SSX and external power source 80 meters (250 feet)
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