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 Figure 8. No more
than two wires may be connected to each terminal to ensure the daisy chain configuration. See Wiring Rules for
Networks and Field Buses for the Modbus protocol.
Figure 8: Daisy Chained Devices
The completed wiring should look similar to Figure 9.
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 (Figure 10).
9NIE29 Installation Instructions
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