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 ZEC310 and other field devices in a daisy-chain configuration using a 4-wire twisted, shielded cable as shown in the following figure.
Figure 1. Sensor bus terminal block wiring
Figure 2. Sensor bus daisy chaining configuration
| Callout | Description |
|---|---|
|
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 tothe NS-xxxx sensors. See the Accessories section for a listof the NS-xxxx sensors. |