Communications Bus and supply power terminal blocks, ratings, and requirements - Metasys - MS-FAC4911-0 - Field Device - FAC49 Advanced Application Field Equipment Controller - 12.0

FAC4911 Advanced Application Field Equipment Controller Installation Guide

Brand
Metasys
Product name
FAC49 Advanced Application Field Equipment Controller
Document type
Installation Guide
Part number
24-10143-1086
Document revision
E
Version
12.0
Revision date
2022-05-20
Language
English
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

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.)

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

24 AWG 3-pair CAT3 cable <30.5 m (100 ft)

Ethernet (Ports) ETH1

ETH2

Connect to BACnet/SC or BACnet/IP Network

Ethernet ports; 10/100 Mbps; 8-pin RJ-45 connector

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

Note: The SA Bus wiring recommendations are for MS/TP bus communications at 38.4k baud.