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 Figure 1. For more information about the SA Bus terminal function, requirements, and ratings, see Table 1.
Figure 1. 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.