For detailed information on configuring and wiring an MS/TP Bus, FC bus, and SA bus, refer to
the FX-PC Series Controllers MS/TP Communications Bus Technical Bulletin (LIT-12011670) or MS/TP
Communications Bus for BCPro System Technical Bulletin (LIT-12011908).
Terminal blocks and bus ports
See Figure 3 for terminal block and bus port locations on the controller. Observe the following
guidelines when wiring a controller.
Input and Output terminal blocks
All of the fixed input terminal blocks are mounted on the bottom of the controller and the output
terminal blocks are mounted on the top of the controller. See Table 4 for more information about I/
O terminal functions, requirements, and ratings.
FC bus terminal block
The FC Bus terminal block is a blue, removable, 4-terminal plug that fits into a board-mounted jack.
Wire the removable FC bus terminal block plugs on the controller, and other controllers in a daisy-
chain configuration using 3-wire twisted, shielded cable as shown below. See Table 6 for more
information.
Figure 4: FC bus terminal block wiring
7FX-PCG26 General Purpose Programmable Controller Installation Instructions
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