Sigma_XT_signs_m3.5.docx
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3.1.2.
Connecting more than 3 Signs
For systems requiring more than 3 signs (or devices), wiring is as follows:
Notes:
•
FIP MUST BE POWERED DOWN BEFORE ANY CHANGES TO SIGNS.
•
Connections for the first 3 signs or devices remains the same as the previous wiring diagram.
•
For more than 3 signs, 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. RS485 connection remains the same for all 7 devices.
