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

FX-PCA3611 Advanced Application Programmable Controller Installation Instructions

Product name
PCA: Advanced Application Programmable Controller
Document type
Installation Guide
Document number
Part No. 24-10143-616
Document revision
D
Revision date
2019-03-22
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

COM

24 VAC Power Supply Common (Isolated from all other Common terminals on controller)

14 VA