Sigma_XT_signs_m3.5.docx
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4.
Connection of Local Control Station (LCS)
Power and Data Connection
The LCS can be installed in any order on the STATUS SERIAL (RS485) circuit, depending on its location. The LCS
must be installed on the STATUS SERIAL (RS485) circuit. It cannot be used as a mimic device. More information
is available on the Local Control Station Manual.
For systems requiring a LCS to be installed, wiring is as follows:
Notes:
•
FIP MUST BE POWERED DOWN BEFORE ANY CHANGES TO SIGNS.
•
If installed as one of the first 3 devices on the STATUS SERIAL (RS485) circuit, STATUS POWER
may used for the power supply. STATUS POWER will support a maximum of 3 devices, including
both signs and LCS.
•
If installed after the first 3 devices on the STATUS SERIAL (RS485) circuit, a separate power
supply is required from the 24VDC output on the FIP.
•
STATUS SERIAL (RS485) - Maximum number of devices, including both Signs and LCS, for the 485
communications is 7.
