Johnson Controls Metasys FAC4911, Installation Manual, Page: 2 / 24

FAC4911 physical features
The following figure displays the physical features
of FAC4911, and the accompanying table provides a
description of the physical features and a reference
to further information where required.
Figure 1: Physical Features
Table 1: Physical features
Physical feature: description and references
1
Controller Number Rotary Switches: can be numbered
from 000 to 999 (see Setting the Controller Number )
2
Binary Outputs (BO) Terminal Block: 24 VAC Triac (see I/
O terminal blocks, ratings, and requirements )
3
Configurable Outputs (CO) Terminal Block: 0–10 VDC
or 24 VAC Triac (see I/O terminal blocks, ratings, and
requirements )
4
Analog Output (AO) Terminal Block: Can be defined as
Voltage Analog Output (0–10 VDC) or Current Analog
Output (4–20 mA) (see I/O terminal blocks, ratings, and
requirements )
5
24 VAC, Class 2/SELV Supply Power Terminal Block (see
Supply power terminal block ).
6 Cover Lift Tab (One of Two)
7
LED Status Indicators (see Troubleshooting Field
Controllers )
8 SA Bus Terminal Block (see SA bus terminal block )
9
Sensor Port: (SA Bus) RJ-12 6-Pin Modular Jack (see SA
bus terminal block )
10
Binary Input (BI) Terminal Block: Dry Contact Maintained
or Pulse Counter/Accumulator Mode (see I/O terminal
blocks, ratings, and requirements )
Table 1: Physical features
Physical feature: description and references
11
Universal Inputs (UI) Terminal Block: Can be defined
as Voltage Analog Input (0–10 VDC), Current Analog
Input (4–20 mA), Resistive Analog Inputs (0–600kΩ), or
Dry Contact Binary Input (see Input and output wiring
guidelines )
12 ETH2 Ethernet Port for BACnet IP Communications
13 ETH1 Ethernet Port for BACnet IP Communications
FAC4911 Advanced Application Field Equipment Controller Installation Guide 2