Sensor bus terminal block - Verasys - Field Device - ZEC510

Verasys ZEC510 VAV Controllers Installation Guide

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

Figure 1. Sensor bus terminal block wiring

Figure 2. Sensor bus daisy chaining configuration

Table 1. Sensor bus daisy chaining configuration
1 Terminating device on the sensor bus
2 Sensor bus terminal block plug on the terminating device
3 Daisy-chained device on a sensor bus segment
4 Sensor bus terminal block plug on the daisy-chained device
5 Cable shield connection
6 Connects to the next device on the sensor bus. Connects to the NS-xxxx sensors. See the Accessories section for a list of the NS-xxxx sensors.