GW-7434D-G CR: Bộ chuyển đổi Gateway Modbus TCP/RTU/ASCII Slave sang DeviceNet Master

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GW-7434D-G CR Modbus/TCP server to DeviceNet master Gateway (RoHS)

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GW-7434D-G CR: Bộ chuyển đổi Gateway Modbus TCP/RTU/ASCII Slave sang DeviceNet Master


• Programmable DeviceNet Master MAC ID
• Programmable DeviceNet transfer-rate 125K, 250K, 500K
• Supports maximum DeviceNet devices up to 63
• Predefined Master/Slave Connection Set
• Devicenet I/O Length: 128 bytes max. (Input/Output) per DeviceNet slave
• Total DeviceNet I/O Length: 1280 bytes max. (Input/Output) for all DeviceNet slaves
• Supports I/O Operation Mode: Poll, Bit-Strobe and Change Of State/Cyclic
• Supports maximum 512 bytes Modbus I/O datas for DeviceNet I/O to map
• Supports on-line adding device into and removing device from network
• Converters single Modbus/TCP to multi Modbus/RTU, setting by Utility
• Supports VxComm technique for every COM ports of controllers, setting by Utility
• Allowed multi-client (or master) access simultaneously
• Support "Set/Get Explicit Message" methods via Modbus TCP/RTU command
• Supports Modbus RTU to DeviceNet master, setting by Utility


The GW-7434D is an economic solution that provides a communication protocol transformation between the DeviceNet protocol and the Modbus TCP protocol. This module solves the problem to connect an existing DeviceNet network to the Ethernet-based PLC, HMI or SCADA for setting up a control or monitoring system. Different to the GW-7243D, the GW-7434D offers the Predefined Master connection Set function and Group 2 only Server function as a DeviceNet master, and enables accessing the DeviceNet slaves automatically and cyclically. If the PLC, HMI or SCADA would like to access the DeviceNet slaves and simultaneously communicate with the Modbus slaves or COM-based devices connected with the RS-232 or RS-485 port of the GW-7434D, the GW-7434D can be the Modbus TCP server or VxComm server to exchange the data with those devices.


CPU Module
CPU 80186, 80 MHz or compatible
Watchdog Timer Yes


LED Indicators
Status 1 x Device status
2 x DeviceNet status


COM Ports
Ports 1 x RS-232
1 x RS-485
Protocol Modbus ASCII / Modbus RTU
Parity None, Even, Odd
Data Bit 7, 8
Stop Bit 1, 2


Ports 1 x RJ-45, 10/100Base-T(X) (Auto-negotiating, Auto_MDIX)
Protocol Modbus TCP


Controller NXP SJA1000T with 16 MHz clock
Transceiver NXP 82C250
Ports 1
Connection Supported 1 connection for Explicit Messaging
1 connection for Polled I/O
1 connection for Bit-Strobe I/O
1 connection for COS/Cyclic I/O
Isolation 1000 VDC for DC-to-DC, 2500 Vrms for photo-couple
Terminal Resistor Jumper for 120 Ω terminal resistor
Specification Volume I, Release 2.0 & Volume II, Release 2.0


Input Range +10 VDC ~ +30 VDC
Consumption 2.5 W


Dimensions (mm) 72 x 122 x 33 (W x L x H)
Installation DIN-Rail


Operating Temperature -25 ~ +75 ℃
Storage Temperature -30 ~ +80 ℃
Humidity 10 ~ 90% RH, Non-condensing


Data sheet


Ordering information

GW-7434D-G     CR  Modbus/TCP server to DeviceNet master Gateway (RoHS)

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