Communications bus and supply power terminal block - Facility Explorer - Part No. 24-10143-616 - Field Device - PCA: Advanced Application Programmable Controller

Note: The SA Bus and FC Bus wiring recommendations in this table are for MS/TP bus communications at 38.4k baud. For more information, refer to the FX-PC Series Controllers MS/TP Communications Bus Technical Bulletin (LIT-12011670).

Table 1. Communications bus and supply power terminal blocks, functions, ratings, requirements, and cables
Terminal block/Port label	Terminal labels	Function, electrical ratings/Requirements	Recommended cable type
FC BUS	+ -	FC Bus Communications	0.6 mm (22 AWG) stranded, 3-wire twisted, shielded cable recommended
	COM	Signal Reference (Common) for Bus communications
	SHLD	Isolated terminal (optional shield drain connection )
SA BUS	+ -	SA Bus Communications	0.6 mm (22 AWG) stranded, 4-wire (2 twisted-pairs), shielded cable recommended. Note: The + and - wire are one twisted pair, and the COM and SA PWR are the second twisted pair of wires.
	COM	SA Bus Signal Reference and 15 VDC Common
	SA PWR	15 VDC Supply Power for Devices on the SA Bus (Maximum total current draw for SA Bus is 240 mA.)
FC BUS (Port)	FC BUS	RJ-12 6-Position Modular Connector provides: FC Bus Communications FC Bus Signal Reference and 15 VDC Common 15 VDC, 180 mA, Power for Bluetooth Commissioning Converter	Bluetooth Commissioning Converter retractable cable or 24 AWG 3-pair CAT 3 cable or above.
Sensor (Port)	SENSOR	RJ-12 6-Position Modular Connector provides: SA Bus Communications SA Bus Signal Reference and 15 VDC Common 15 VDC Power for devices on the SA bus and Bluetooth Commissioning Converter	24 AWG 3-pair CAT3 cable <30.5 m (100 ft)
24~	HOT	24 VAC Power Supply - Hot Supply 20–30 VAC (Nominal 24 VAC)	0.8 mm to 1.0 mm (18 AWG) 2-wire
24~	COM	24 VAC Power Supply Common (Isolated from all other Common terminals on controller) 14 VA	0.8 mm to 1.0 mm (18 AWG) 2-wire