• END - Both RS485 biasing and a termination resistor are provided by the controller.
• MID - No RS485 biasing or termination resistor is provided by the controller.
Often, adding RS-485 biasing can improve communications by eliminating indeterminate idle
states.
Note: FX-PC controllers implement biasing. When using RS485 for BACnet MS/TP with FX-PC
controllers, we recommend using the MID position (with FX-PC controllers at the ends of the
trunks with their EOLs set). The BIA position is not required for an all FX-PC controller trunks.
For more information, refer to the FX-PC Series Controllers MS/TP Communications Bus Technical
Bulletin (LIT-12011670).
Ethernet wiring
Two RJ-45 10/100-Mbit Ethernet connectors are labeled PRI (LAN1) for primary, and SEC (LAN2) for
secondary. Use a standard Ethernet patch cable to an Ethernet switch.
The factory-default IP address for PRI is 192.168.1.149. The default subnet mask is 255.255.255.0.
By default, the SEC (LAN2) port is disabled.
Setup and adjustments
Power Up and initial checkout
1. Apply power. To do this, do one of the following:
- Insert the 2-position 24 V power connector plug.
- Insert the barrel plug of the wall-mount AC adapter (FX-SC8XPS-0).
2. Check the STAT (Status) and BEAT (Heartbeat) LEDs.
When power is applied, the green STAT LED flashes. This LED indicates that the system is work-
ing, with power applied. During startup, the BEAT LED may blink at 1 Hz with a 90/10 percent
on/off duty cycle. When startup completes, the platform daemon is started, and the normal 1
Hz flash at 50/50 percent on/off duty cycle of the BEAT LED returns.
LEDs
The controller provides a number of status LEDs. All but one of the LEDs are visible with the front
access door closed.
Figure 8: LEDs and descriptions
9FX80 Supervisory Controller Installation Instructions
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