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Omron NB7W-TW**B series User Manual

Omron NB7W-TW**B series
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5-1
NB-series Programmable Terminals Host Connection Manual (V108)
5
This section describes the connection on Modbus protocol.
5-1 Serial Port and Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5-2 Communication Parameters and Cable Fabrication . . . . . . . . . . . . . . . . . . 5-3
5-3 Communication Parameter Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
5-4 Supported Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
5-5 Cable Fabrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
5-6 Modbus Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
5-6-1 Introduction to Modbus Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
5-6-2 When NB adopts Modbus TCP protocol (Master/Slave mode) . . . . . . . . . . . 5-11
5-7 Example of NB as Modbus Slave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
5-8 Example of connection using Modbus TCP protocol . . . . . . . . . . . . . . . . 5-15
5-9 Example of E5CC/E5EC, 3G3MX2 connection using Modbus RTU Extend
Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
5-10 Example of Power PMAC Motion Controller using Modbus TCP Slave
Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18
Modbus Connection

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Omron NB7W-TW**B series Specifications

General IconGeneral
BrandOmron
ModelNB7W-TW**B series
CategoryTouch terminals
LanguageEnglish

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