The zone bus terminal block is a grey, removable, 4-terminal plug that fits into a board-mounted jack. Wire the removable zone bus terminal block plugs on the controller on the top row of the stacked connector, and other field controllers in a daisy-chain configuration using 3-wire twisted, shielded cable as shown in the following figure. See Table 1 for more information.
|1||Terminating device on the zone bus|
|2||Zone bus terminal block plugs|
|3||Daisy-chained device on a zone bus segment|
|4||Connects to the next device on the zone bus.|