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 VMA and other controllers in a daisy-chain configuration using 3-wire twisted, shielded cable as shown in Figure 1. See Communication bus and supply power table for more information.
Figure 1. FC bus terminal block wiring
Note: The Shield terminal (SHLD) on the FC Bus terminal block is isolated and can be used to connect the cable shields on the bus (Figure 1).