Figure 7: Connection Between Converter and Device
6. Set the NIE EOL switches to the proper position. See
Setting the End-of-Line Switch
.
7. To add additional vendor devices, terminate the wires from one device to the next as shown in
. No more
than two wires may be connected to each terminal to ensure the daisy chain configuration. See
for the Modbus protocol.
Figure 8: Daisy Chained Devices
The completed wiring should look similar to
Figure 9: Modbus RTU Wiring Detail Overview
8. Terminate the 24 VAC supply power wires from the transformer to the removable power terminal block plug on
the NIE (
).
9
NIE29 Installation Instructions
