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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.
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| Applications |
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| Features |
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Programmable DeviceNet Master MAC ID
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Programmable DeviceNet transfer-rate 125K, 250K, 500K
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Supports maximum DeviceNet devices up to 63
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Predefined Master/Slave Connection Set
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Devicenet I/O Length: 128 bytes max. (Input/Output) per DeviceNet slave
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Total DeviceNet I/O Length: 1280 bytes max. (Input/Output) for all DeviceNet slaves
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Supports I/O Operation Mode: Poll, Bit-Strobe and Change Of State/Cyclic
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Supports maximum 512 bytes Modbus I/O datas for DeviceNet I/O to map
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Supports on-line adding device into and removing device from network
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Converters single Modbus/TCP to multi Modbus/RTU, setting by Utility
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Supports VxComm technique for every COM ports of controllers, setting by Utility
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Allowed multi-client (or master) access simultaneously
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Support "Set/Get Explicit Message" methods via Modbus TCP/RTU command
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Supports Modbus RTU to DeviceNet master, setting by Utility
We have communicated with the following DeviceNet slaves
- Allen-Bradley PowerFlex series DeviceNet Inverters
- BECKHOFF CX1500-B520 series DeviceNet I/O modules
- BECKHOFF BK5250 series DeviceNet I/O modules
- MKS 683 series DeviceNet exhaust throttles
- MKS MFC (Mass Flow Controller) series DeviceNet devices
- MKS DELTA II FRC (Flow Ratio Controller) DeviceNet devices
- MKS DC Power Generator (OPT- xxx) DeviceNet devices
- OMRON DRT1-ID/ODxx series DeviceNet I/O modules
- OMRON DRT2-MDxx series DeviceNet I/O modules
- COSMOS PS-7 series DeviceNet gas detectors
- CELERITY UNIT IFC-125 series DeviceNet devices
- Allen-Bradley PowerFlex AC Drives
- Allen-Bradley PowerFlex AC Drives with DriveLogix
- Allen-Bradley PowerFlex DC Drives
- OMRON DRT2-ID08(-1)/MD16
- OMRON DRT2-OD08/MD16-1
- OMRON DRT2-OD08-1
- OMRON DRT2-ID16(-1)/OD16(-1)
- OMRON GRT1-DRT
- OMRON C200HW-DRT21
- Swagelok MS-VCM-D-6-0, MS-VCM-D-6-2 DeviceNet Valve
- Swagelok SS-PTX-D-G500-S4-K DeviceNet Transducer
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- Swagelok SS-PTX-D-G500-SM-K DeviceNet Transducer
- Weidmueller SAI-AU M12 DN 16DI/8DO
- Weidmueller SAI-AU M12 DN GW 16DI
- Weidmueller SAI-AU M12 DN AI/AO/DI
- ADVANCED ENERGY Apex RF generators and power-delivery
- SMC ITV series Electro-Pneumatic Regulator
- SMC Directional Control Valves
- SICK DME5000 series Distance Sensor
- MTS Temposonics R-Series Position Sensors
- PFEIFFER VACUUM HiPace series turbopumps
- Allen-Bradley(AB) 1769-ADN DeviceNet Adapter
- MKS Type T3B and T3P Valves With DeviceNet Interface
- ABB DSQC 350A DeviceNet/Allen Bradley remote gateway
- MTS Temposonics R-Series sensor
- MKS MicroNode I/O series module
- LINCOLN Power Wave AC/DC 1000 device
- Festo CTEU-DN Bus nodes
- MKS Baratron Type DMB Capacitance Manometer
- Sevenstar CS200/CS220 Mass Flow Controller
- Allen-Bradley(AB) E3 & E3 Plus Solid-State Overload Relay
- RF/MW Generators of DAIHEN
- KEYENCE NU-DN1
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| Data Interchange |
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| The GW-7434D provides centralized data storage, “Internal Memory”, for data that is shared between the DeviceNet and Modbus/TCP network. Data is placed into the “Internal Memory” by one network interface, allowing the data to be read/wrote through the other network interface.
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| Utility |
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We provide GW-7434D Utility tools for Windows 98/SE/2K/XP, it includes:
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Online add/remove DeviceNet devices via Ethernet
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Online monitor and configure devices status via Ethernet
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Get/Set Modbus/TCP input/output memory address
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Support DeviceNet I/O mapping table
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Show DeviceNet devices connection status
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Support communication mode setting
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| Typical Applications |
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Application 1: Modbus TCP/RTU slave to DeviceNet master gateway
The GW-7434D can act as a Modbus TCP/RTU slave to DeviceNet master gateway. Using the module, users don’t need to take care of the detail of the DeviceNet protocol. The module will implement the DeviceNet protocol automatically. It mainly supports the Predefined Master/Slave Connection Set functions to allow users to merge I/O data into DeviceNet network by using Modbus TCP/RTU commands.
Application 2: a single Modbus/TCP to multi-Mosbus/RTU converter
GW-7434D can be a single Modbus/TCP to multi-Modbus/RTU converter. You can simple use the Utility software to configure the device and then set connection between SCADA, HMI software and the GW-7434D.
Application 3: protocol converter with VxComm technique
GW-7434D can also be able to link to serial devices that don’t support Modbus/RTU. To use this function, you will need to install VxComm driver on host PCs. After installation, you will be able to access the remote COM ports via the standard serial driver.
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| Hardware Specifications |
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Hardware |
EEPROM |
16 KB; Data retention: 40 years; 1,000,000 erase/write cycles |
Watchdog |
Watchdog IC |
CAN Interface |
Controller |
NXP SJA1000T with 16 MHz clock |
Transceiver |
NXP 82C250 |
Connector |
5-pin screwed terminal block (CAN_L, CAN_H, N/A for others) |
Isolation |
1000 VDC for DC-to-DC, 2500 Vrms for photo-couple |
Protocol |
DeviceNet Volume I ver2.0, Volume II ver2.0 |
UART Interface |
COM 1 |
RS-232 |
COM 1 Connector |
5-pin screwed terminal block (TxD, RxD, RTS, CTS, GND ) |
COM 2 |
RS-485 (Self-turner inside) |
COM 2 Connector |
2-pin screwed terminal block (DATA+, DATA-) |
Ethernet Interface |
Controller |
10/100Base-TX Ethernet Controller (Auto-negotiating, Auto_MDIX) |
Connector |
RJ-45 with LED indicator |
Protocol |
Modbus TCP |
Power |
Power supply |
Unregulated +10 ~ +30 VDC |
Protection |
Power reverse polarity protection, Over-voltage brown-out protection |
Power Consumption |
2.5 W |
Mechanism |
Dimensions |
72mm x 122mm x 33mm (W x L x H) |
Environment |
Operating Temp. |
-25 ~ 75 ℃ |
Storage Temp. |
-30 ~ 80 ℃ |
Humidity |
10 ~ 90% RH, non-condensing |
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| Ordering Information |
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Modbus/TCP server to DeviceNet master Gateway |
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Modbus/TCP server to DeviceNet master Gateway (RoHS) |
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| Optional Accessories |
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| TOP |
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