Johnson Controls FX-PCG26 - SA Bus Terminal Block; FC Bus Port

Note: The FC bus Shield (SHLD) terminal is isolated and can be used to connect (daisy chain)
the shields for FC bus wiring.
SA bus terminal block
The SA Bus terminal block is a brown, removable, 4-terminal plug that fits into a board-mounted
jack.
Wire the removable SA Bus terminal block plugs on the controller and other SA Bus devices in a
daisy-chain configuration using 4-wire twisted, shielded cable as shown in the following figure. See
Table 6 for more information.
Figure 5: SA bus terminal block wiring
Note: The SA PWR terminal supplies 15 VDC. The SA PWR terminal can be used to connect
(daisy chain) the 15 VDC power leads on the SA bus.
FC Bus port
The FC bus port on the front of the controller is an RJ-12, 6-position modular jack that provides a
connection for the FX-BTCVT Bluetooth
®
Commissioning Converter, or FX-ZFR1811 Wireless Field
Bus Router.
The FC bus port is connected internally to the FC bus terminal block. See Table 6 for more
information. The FC bus Port pin assignment is shown in Figure 6.
FX-PCG26 General Purpose Programmable Controller Installation Instructions8