Fieldbus Communication

The DNP-211 CR bridges DNP3 field devices and Ethernet-based Modbus TCP masters. On the DNP3 side it acts as the master, reading from and writing to outstations over TCP, UDP or serial. On the Modbus side it is a server that accepts requests from Modbus TCP clients and either answers them directly or forwards the related DNP3 data.Mapping between DNP3 points and Modbus addresses is set up in the DNP-211 utility, so existing DNP3 networks can be exposed to a Modbus TCP host without rewiring the field devices. Outstation connection status is also available at a Modbus address, which helps supervisory logic detect a lost link.Capacity covers up to 32 DNP3 outstations and 16 Modbus TCP client connections, with 8192 digital I/O bits and 2048 channels each for counter and analogue points. It is a suitable choice where an engineer needs a compact DIN-rail gateway with a metal housing and a wide 12 to 48 VDC supply range.ApplicationsIntegrating DNP3 outstations, RTUs and IEDs with Modbus TCP master systemsSCADA communication in utilities such as electric and water companiesConnecting existing DNP3 networks to Ethernet-based Modbus TCP masters

DNP-211-S bridges Modbus TCP field devices and DNP3 master stations. It polls several Modbus TCP servers and exposes their data as one DNP3 outstation, so a master station can read and control the underlying devices without needing a native Modbus driver.The gateway accepts DNP3 over RS-485, TCP/IP or UDP and supports Binary, Binary Output, Analog and Analog Output data. Analog values can be handled as word, int32, float or double. Mapping between Modbus TCP addresses and DNP3 points is set up in the DNP-211-S utility software, and the DNP3 side reports the Modbus TCP connection status.Suited to utility and SCADA installations, the unit uses a metal housing, a 12 to 48 VDC supply and DIN-rail or optional wall mounting. It is rated for operation from -25 to +75 °C.ApplicationsSCADA master station integration with Modbus TCP devicesElectric and water utility communicationsConnecting RTUs and IEDs to a DNP3 master station

ECAN-240 CR is a Modbus TCP to 2-port CAN bus gateway. It connects two CAN bus networks to an Ethernet network, so CAN devices can be reached from Modbus TCP clients and the two CAN segments can exchange data through the module.Each of the two CAN interfaces follows ISO 11898-2 and supports CAN 2.0A and CAN 2.0B frames, with baud rates from 10 k to 1M bps set by rotary switches. A built-in 120 ohm terminal resistor is enabled or disabled with a DIP switch. The CAN ports are isolated, rated at 3000 VDC for DC-to-DC and 2500 Vrms for the photo-coupler stage.Beyond Modbus TCP server operation, the gateway offers pair connection between CAN networks over TCP or UDP, and a transparent mode in which TCP (port 10003) or UDP (port 57540) packets carry CAN frames for custom software. The metal housing is rated for -25 ~ +75 °C operation and mounts on a DIN rail.ApplicationsIntegrating CAN devices into Modbus TCP industrial networksLinking two CAN bus segments across Ethernet via pair connectionCustom TCP or UDP applications that access CAN frames directly

The ECAN-240-FD bridges CAN and CAN FD networks to Ethernet using the Modbus TCP industrial protocol. It gives an Ethernet-based controller or SCADA system access to two CAN bus networks through a single RJ-45 port, so CAN devices can be integrated into a wider industrial network without custom gateway software.The module provides two CAN bus interfaces, each on a 9-pin D-sub connector, and supports CAN 2.0 A/B and CAN FD in line with ISO 11898-2. CAN FD can be switched between the ISO and non-ISO (Bosch) standards, and a built-in DIP switch enables or disables the 120 Ω terminal resistor on each bus.Beyond Modbus TCP server operation, the gateway can also run in TCP/UDP transparent mode for CAN and CAN FD frames, or in CAN pair mode, which links two CAN networks across Ethernet over UDP. The ordering code ECAN-240-FD CR is the RoHS-listed version of this model.ApplicationsModbus TCP access to CAN and CAN FD devicesTCP/UDP transparent communication between CAN devices and Ethernet clientsCAN pair connection linking two CAN networks over Ethernet via UDP

The ECAT-2611 CR is a protocol converter gateway that connects EtherCAT and Modbus RTU networks. It operates as a SubDevice on both sides and passes I/O data between them, so an EtherCAT Main Device and a Modbus RTU Main Device can exchange data through its internal data exchange buffer.It suits system integrators who need to bring older serial automation equipment into an EtherCAT architecture. The serial protocol conversion is handled in the module, so no PLC function blocks are required and the connected device needs no hardware or software changes.This CR ordering code includes the CA-0915 DB9 male to DB9 female cable, 1.5 M, for connecting the serial port. Key figures include a 10 ms cycle time, up to 256 WORD input and 256 WORD output data, and serial communication up to 115200 bps.ApplicationsRetrofitting older Modbus RTU automation devices into EtherCAT communication structuresExchanging I/O data between an EtherCAT Main Device and a Modbus RTU Main DeviceIntegrating serial Modbus RTU equipment into EtherCAT-based machine control systems

GW-7228-G CR bridges a J1939 network and a Modbus RTU network. On the J1939 side it transmits and receives PDU1, PDU2, broadcast and destination-specific messages, so vehicle data can be made available to Modbus RTU masters without custom firmware on either end.On the Modbus side the gateway operates as a slave and answers requests from the master, with the Modbus Network ID configurable from 1 to 250. Parameters for both the J1939 and Modbus RTU sides are set using the supplied Utility software.Engineers typically select this model for diesel power-train work, truck and bus in-vehicle networks, and truck-trailer links. The CA-0910 cable is included with the unit.ApplicationsDiesel power-train applicationsIn-vehicle networks for trucks and busesTruck-trailer connectionsFleet management systemsOn-board diagnosticsVehicle automation

The GW-7238D-G CR bridges a J1939 CAN network and Modbus TCP or Modbus RTU systems. On the J1939 side it handles PDU1, PDU2, broadcast and destination-specific messages, so engineers can expose vehicle data to Modbus-based supervisory or monitoring equipment without custom firmware.On the Modbus side the gateway acts as a Modbus TCP server or Modbus RTU slave, answering requests from a Modbus TCP client or RTU master. Its J1939 Transport Protocol support covers messages from 9 to 1785 bytes, and it supports BAM connection management. Settings are configured with the supplied utility software.Hardware features include a built-in jumper for a 120 Ω terminal resistor, an internal watchdog and an RS-485 port with self-turner. The unit is DIN-rail mounted and rated for an operating range of -25 to +75 °C. The CA-0910 cable is included with this ordering code.ApplicationsDiesel power-train applicationsIn-vehicle networks for trucks and busesTruck-trailer connectionsOn-board diagnosticsVehicle automation

GW-7243D-G CR connects Modbus slave devices to a DeviceNet network. On the DeviceNet side it operates as a Group 2 Only Server and waits for the DeviceNet master to establish its connections. On the Modbus side it acts as the master, cyclically issuing commands to the slave devices it is configured to read and write.Modbus TCP client and Modbus RTU/ASCII master interfaces run at the same time, so slave devices with an Ethernet, RS-232 or RS-485 interface can all be mapped into one DeviceNet installation. This removes the need for a separate gateway for each communication type.A GW-7243D Utility tool is supplied for configuration and for generating the EDS file, which helps speed up commissioning of the DeviceNet and Modbus setup.ApplicationsProduction cells and automated manufacturing linesFood and beverage packing and bottling linesBrewery equipmentBakery and dinnerware productionHVAC module productionRolling steel door and overhead storage bin productionLCD manufacturing plant automation

The GW-7433D-G bridges CANopen networks and Ethernet-based control systems. On the field side it operates as a CANopen master, using PDO and SDO services to communicate with slave devices. On the plant side it appears as a Modbus TCP server and a Modbus RTU slave, so an existing CANopen installation can be monitored and controlled from any Modbus TCP client or Modbus RTU master.Slave devices are predefined using the manufacturer's utility software. At start-up the gateway collects the required information from those slaves. It supports up to 20 CANopen slave devices, and up to five Modbus TCP clients can access the unit at the same time.The listen mode lets engineers monitor CANopen slave data without taking part in the network traffic. Slaves can be added or removed on line, and CANopen status, slave and gateway communication states, and disconnections can be queried through Modbus commands.ApplicationsControl systemsBuilding automationFactory automationDistributed data acquisitionWind turbine monitoring and control, integrating large inverters and PLCs

The GW-7434D-G CR bridges a DeviceNet network to Ethernet-based PLCs, HMIs and SCADA systems. It operates as a DeviceNet master with predefined master/slave connection set functions, polling slaves automatically and cyclically, so engineers can read and write DeviceNet I/O using Modbus TCP commands without implementing the DeviceNet protocol themselves.Beyond the DeviceNet bridge, the unit can act as a Modbus TCP server or VxComm server for devices on its RS-232 or RS-485 port. This allows a host to reach DeviceNet slaves and serial Modbus RTU or Modbus ASCII devices through one Ethernet connection. Configuration is handled with the vendor's Utility software.Modbus TCP to DeviceNet master gateway with up to 512 bytes of Modbus I/O mapped to DeviceNet I/OSupports Poll, Bit-Strobe and Change of State/Cyclic I/O operation modesIdeal for integrating existing DeviceNet networks into Ethernet-based control or monitoring systemsApplicationsDeviceNet gas valve stationRobotic arm controlTouch HMI applicationsModbus TCP/RTU slave to DeviceNet master gatewaySingle Modbus/TCP to multi-Modbus/RTU converterProtocol converter for serial devices using VxComm

The GW-7472 CR links EtherNet/IP, Modbus RTU and Modbus TCP networks, so an EtherNet/IP scanner can exchange register data with Modbus RTU slaves and Modbus TCP servers through one device. Register values read from the Modbus side are presented as input data to the scanner, and output data from the scanner is written back to the Modbus registers.The Modbus RTU master port supports 2-wire RS-485 and 4-wire RS-422. The Ethernet port provides IEEE 802.3af Class 1 Power over Ethernet, and a DC adapter can serve as an alternative supply. The two power inputs are redundant, so if one fails the other takes over.The compact housing suits installations where space is limited, such as mounting close to a serial device or within a machine. The unit is designed for DIN-rail installation and includes a removable terminal block connector.ApplicationsControl systemBuilding automationFactory automationDistributed data acquisition

The GW-7472-UL bridges EtherNet/IP, Modbus RTU and Modbus TCP networks. It acts as an EtherNet/IP adapter to a scanner, reads register data from Modbus RTU slaves and Modbus TCP servers, and presents that data as EtherNet/IP input data. Output data from the scanner is written back to the register data of the Modbus devices.This standard GW-7472-UL variant is rated for an operating range of -25 ~ +70 °C. The UTA variant of the series extends this to -40 ~ +70 °C, so this ordering code suits installations that do not require sub-zero operation at the lower limit. The unit is supplied with a DC-jack to 2-wire power cable, 0.3 M (CA-002-UL).The compact housing measures 52 x 27 x 77.4 mm and mounts on DIN-rail. It accepts power over Ethernet to IEEE 802.3af Class 1, or from a DC adapter, and the two power inputs are redundant. Firmware can be updated over Ethernet.ApplicationsControl SystemBuilding AutomationFactory AutomationDistributed data acquisition

GW-7472-UL-UTA is a DIN-rail gateway that exchanges register data between an EtherNet/IP scanner, Modbus RTU slaves and Modbus TCP servers. It polls the Modbus devices and presents their data as input data to the EtherNet/IP scanner, while output data from the scanner is written back to the Modbus registers. Its compact housing suits installations where space is limited, including mounting close to a serial device.This UTA variant is specified for an operating range of -40 ~ +70 °C and uses conformal coating for resistance to moisture and salt spray, which suits coastal and high-humidity sites. Power can come from a PoE switch over a standard Category 5 cable (IEEE 802.3af, Class 1), or from a DC adapter via the DC jack. The two inputs are redundant, so the unit stays powered if one source fails. The order includes a 0.3 m DC-jack to 2-wire power cable (CA-002-UL).Configuration options include a Modbus RTU master with up to 30 commands, support for up to 10 Modbus TCP servers, and firmware updates over Ethernet. The unit carries UL, CE, UKCA, RoHS and WEEE certifications.ApplicationsControl SystemBuilding AutomationFactory AutomationDistributed data acquisition

The GW-7473 CR lets a Modbus master read and write data held by EtherNet/IP adapters without custom programming. Register data read from the adapters is presented as input registers to Modbus TCP clients and Modbus RTU masters, while output data written by those masters is passed on to the adapter registers.Its compact DIN-rail housing (52 x 27 x 77.4 mm) suits tight control cabinets, and it can be mounted close to a serial device or fitted into a machine. Power can come from a PoE switch over a standard Category 5 cable, meeting IEEE 802.3af Class 1, or from a DC adapter. The two supplies are redundant, so the unit stays powered if one source fails.The gateway is rated for an operating range of -25 ~ +75 ℃ and is suitable for control, building automation, factory automation and distributed data acquisition projects.ApplicationsControl SystemBuilding AutomationFactory AutomationDistributed data acquisition

The GW-7552-B connects Modbus devices to a PROFIBUS DP network. It acts as a DP-V0 slave towards the PROFIBUS master, so the master can read and write data held by Modbus devices such as PLCs, sensors and ICP DAS M-7000 series modules, without changes to the PROFIBUS network design.The gateway can operate as a Modbus master or slave and supports both RTU and ASCII formats. Its hybrid COM 1 port is selectable between RS-232, RS-422 and RS-485, with the modes used one at a time. Serial settings cover 7 or 8 data bits, no, odd or even parity, 1 or 2 stop bits, and baud rates from 1200 to 115200. A utility is provided for configuring the GW-7552-B.Transmission rate on the PROFIBUS side is detected automatically, and the node address is set from 0 to 126 using a DIP switch. The PROFIBUS side has 3000 VDC isolation, and the network side uses High Speed iCoupler isolation. The GW-7552-B is housed in a plastic case for DIN-rail mounting, with an operating range of -25 ~ +75 °C.ApplicationsIndustrial automationFactory automationProcess automation

The GW-7552-M CR bridges a PROFIBUS DP network and Modbus serial devices. It operates as a DP-V0 slave, so a PROFIBUS master can read and write data from Modbus equipment without changes to the field devices. Typical Modbus endpoints include PLCs, sensors and ICP DAS M-7000 series modules.Configuration is carried out with the manufacturer's utility software. The PROFIBUS node address is set from 0 to 126 using a DIP switch, and the transmission rate is detected automatically. The serial side is a hybrid COM 1 port that can be set to RS-232, RS-422 or RS-485, and it supports Modbus Master or Slave operation in RTU or ASCII format.The gateway uses high speed iCoupler isolation on the network side and provides 3000 VDC isolation on the PROFIBUS side. Its metal housing is mounted on a DIN rail and is rated for an operating range of -25 ~ +75℃, which suits panel-based installations in factory and process automation.ApplicationsIndustrial automationFactory automationProcess automation

GW-7553-B bridges a PROFIBUS DP network and Modbus TCP devices. It presents itself as a DP-V0 and DP-V1 slave to the PROFIBUS master, so existing PROFIBUS control systems can read and write data from Modbus TCP equipment such as PLCs, sensors and I/O modules.Each direction carries up to 240 bytes of input and output data. The Modbus side supports Master and Slave modes and the RTU, ASCII and TCP formats. The PROFIBUS transmission rate is detected automatically, and the station address (0 to 126) is set either by DIP switch or stored in EEPROM.The unit has a built-in web server, so it can be configured from a standard web browser. An RS-232 port is provided for firmware and configuration updates. Electrical isolation is rated at 2500 Vrms for the network side and 3000 VDC on the PROFIBUS side, and the module is designed for an operating range of -25 ~ +75 ℃.ApplicationsIndustrial automationFactory automationProcess automation

GW-7553-CPM is a PROFIBUS DP-V0 slave gateway that places CANopen devices on a PROFIBUS network. The PROFIBUS master reads and writes the CANopen nodes through the gateway, so existing CANopen equipment can be brought into a PROFIBUS system without replacing it.The gateway supports the CiA CANopen DS-301 v4.02 standard, with 110 CANopen SDO/PDO commands and the Node Guarding and Heartbeat Consumer protocol. The PROFIBUS transmission rate is detected automatically, the station address is set from 0 to 126 with a DIP switch, and up to 240 bytes of input and 240 bytes of output data are available. Galvanic isolation is provided on both networks, with 3000 VDC on the PROFIBUS side and 2500 Vrms for the high-speed iCoupler network isolation.Firmware and configuration are handled over RS-232 using the configuration utility software. Status is shown by PWR, RUN and ERR LEDs, and the unit mounts on a DIN-rail.PROFIBUS DP-V0 slave, station address 0 to 126 set by DIP switchAutomatic PROFIBUS transmission rate detection, from 9.6 k up to 12 MUp to 240 bytes input and 240 bytes output dataCANopen DS-301 v4.02, 110 SDO/PDO commandsApplicationsIndustrial AutomationFactory AutomationProcess Automation

The GW-7553-CPM-M bridges a PROFIBUS DP network and CANopen devices. It presents itself as a DP-V0 slave, so a PROFIBUS master can access CANopen slave devices connected to the gateway.It supports the CiA CANopen DS-301 v4.02 standard, Node Guarding and Heartbeat Consumer protocols, and 110 CANopen SDO/PDO commands. Input and output data lengths are each up to 240 bytes. The PROFIBUS address is set from 0 to 126 using a DIP switch, and the transmission rate is detected automatically.Isolation is provided on both networks: 2500 Vrms high-speed iCoupler on the network side and 3000 VDC on the PROFIBUS side. The unit has a metal casing, DIN-rail mounting and an RS-232 port for firmware and configuration updates, with utility software supplied for setup. It is suited to automation, factory and process applications.ApplicationsIndustrial AutomationFactory AutomationProcess Automation

The GW-7553-M lets a PROFIBUS DP master communicate with Modbus TCP devices such as PLCs, sensors and Modbus TCP I/O modules, so existing Modbus equipment can be brought into a PROFIBUS network without changes to the master. It operates as a PROFIBUS DP-V0 and DP-V1 slave, and supports up to 240 bytes of input data and 240 bytes of output data.Configuration is handled through the built-in web server, which can be accessed from a standard web browser. The unit also offers Modbus Master or Slave operation and supports the RTU, ASCII and TCP formats, with a node address range of 0 to 126 set by DIP switch or EEPROM. An RS-232 port is provided for firmware updates and configuration.Electrical isolation is rated at 2500 Vrms on the network side and 3000 VDC on the PROFIBUS side. The metal casing is intended for DIN-rail installation across an operating range of -25 ~ +75 °C, making it suitable for factory and process automation installations.ApplicationsIndustrial AutomationFactory AutomationProcess Automation

GW-7557-B is a PROFIBUS DP-V0 slave gateway for bringing HART field devices onto a PROFIBUS network. The PROFIBUS master reads and writes the HART slaves through the gateway, so transmitters, actuators and current output devices can be integrated without a separate HART host on the bus.The unit supports four HART channels in point-to-point or multi-drop mode, with two HART masters permitted and up to 15 HART modules connectable. Short and long HART frames and HART burst mode are supported, and the PROFIBUS side can exchange up to 240 bytes of input and 240 bytes of output data.Configuration is handled through an RS-232 port and the utility software supplied with the module. The plastic-case, DIN-rail version suits installations where galvanic separation between the fieldbus and the logic side matters, with 2500 Vrms bus-to-logic isolation and 3000 VDC isolation on the PROFIBUS side.ApplicationsIndustrial automationFactory automationProcess automation

GW-7557-M is a PROFIBUS DP-V0 slave gateway for bringing HART devices onto a PROFIBUS network. The PROFIBUS master reads and writes data from HART slave devices such as transmitters, actuators and current output instruments, so existing HART equipment can be integrated without replacing it.The gateway offers four HART channels, supports point-to-point and multi-drop HART operation, and allows two HART masters. Up to 15 HART modules can be connected, and burst mode is supported. Configuration is handled with the utility software supplied by the manufacturer.The metal-case version (-M) suits panel and DIN-rail installations in industrial automation, factory automation and process automation. It provides 2500 Vrms network isolation and 3000 VDC isolation on the PROFIBUS side, with an operating range of -25 ~ +75 °C.ApplicationsIndustrial AutomationFactory AutomationProcess Automation

GW-7828 CR is a gateway that lets Modbus RTU masters read data from M-Bus (Meter-Bus) slave devices. It is intended for remote reading of consumption meters, and also for sensors and actuators that use the M-Bus standard. Engineers can integrate M-Bus devices into an existing Modbus RTU system without writing M-Bus drivers.The gateway responds to Modbus RTU function codes 0x03 and 0x04 to read M-Bus meter data, and supports up to 100 M-Bus slave devices. Serial communication is available through RS-232, RS-422 or RS-485, and two rotary switches set the baud rates for the serial port and the M-Bus port.The M-Bus port includes over-current and short-circuit protection, with 3750 Vrms photo-coupler isolation. Firmware can be updated through the serial port. Power consumption is 1.8 W at 24 VDC with one slave device and 11.8 W with 100 slave devices.ApplicationsEnergy countersHot and cold water countersGas metersPressure sensorsM-Bus sensors and actuators

GW-7838-M bridges Modbus TCP/RTU networks and M-Bus metering. It acts as an M-Bus master, reading meter data from up to 100 slave devices, and presents that data as a Modbus TCP server, so a PLC or PC can collect readings without any M-Bus knowledge.The gateway is set up once with the M-Bus configuration utility. After that it reads the meters autonomously. A Modbus client can then access the data over Ethernet (TCP) or the RS-232 serial port, with Modbus function codes 0x03 and 0x04 used to read meter values.Supports EN 13757 and CJ/T 188 M-Bus metersSuited to energy, water, heat and gas meter reading in automation systemsApplicationsReading energy countersHot and cold water metersHeat metersGas and pressure metersSensors and actuators on an M-Bus network