Zone bus terminal block - Verasys - Field Device - ZEC510

Verasys ZEC510 VAV Controllers Installation Guide

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The zone bus terminal block is a gray, removable, 4-terminal plug that fits only into the black, board-mounted, zone bus jack. Wire the removable zone bus terminal block plugs on the ZEC510 and other zone bus controllers in a daisy-chain configuration using 3-wire twisted, shielded cable, as shown in Figure 1 and Figure 2.

Figure 1. Zone bus terminal block wiring

Figure 2. Zone bus daisy chaining configuration

Table 1. Zone bus daisy chaining configuration
1 Terminating device on the zone bus
2 Zone bus terminal block plug on the terminating device
3 Daisy-chained device on a zone bus segment
4 Zone bus terminal block plug on the daisy-chained device
5 Cable shield connection
6 Connects to the next device on the zone bus. Connects to all ZECs and the zoning roof top unit (RTU) of the VZC100.