SA port - Facility Explorer - Part No. 24-10211-10 - Field Device - VAV: Variable Air Volume Controller

The Sensor Actuator Bus (SA Bus) port on the VAV Box Balancing Sensor is a 6-pin, RS-485 port designed to connect the VAV Box Balancing Sensor to an accessible SA Bus port on the FX-PC controller directly or through the controller’s connected network sensor, using the cable assembly provided. The SA Bus port is a straight one-to-one connection (not a crossover). The maximum allowable cable length is 100 ft.

Do not plug the SA Port cable into a standard phone jack.

Table 1. SA Bus Port Pin Designations Diagram Pin number (Both ends of cable) Signal name 1 SA + 2 SA - 3 15 VDC Common 4 +15 VDC 5 No Connection 6 No Connection