Modbus Testing And Protocol - ICP DAS USA PDS-220F Series User Manual

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6. Modbus Testing and Protocol

Step1: Install Modbus Utility on your PC
The software is located at:
CD: \NAPDOS\Modbus\modubs_utility
http://ftp.icpdas.com/pub/cd/8000cd/napdos/modbus/modbus_utility/
Step2: Connecting the Modbus device to PDS-220Fx
1. Prepare for device:

Fiber to Ethernet. (Ex. NS-200AFT, optional)

Ethernet Hub. (Ex. NS-208, optional)

Modbus device. (Ex. M-7015, optional)

Exterior power supply device. (Ex. DP-665, optional)
2. Keep up network connection status for your PDS-220Fx series Module, or refer to
Section 4 Setting up the PDS-220Fx
3. Connect the Modbus device (Ex. M-7015) to PDS-220Fx series module on COM2 (RS-
485 bus).
4. Supply power to the Modbus device. (Ex, M-7015, Device ID: 2, +10~+30 V
used)
5. For example of Modbus test wiring as follows:
PDS-220Fx Series User Manual (V1.2, Apr. 2015)
Module.
Power
DC
48