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The DGW-521 CR is a DIN-rail gateway that lets a host PC, PAC or TouchPAD control DALI lighting devices over serial or USB. It accepts Modbus RTU and DCON from RS-232, RS-485 or USB and translates them to DALI, so existing serial-based control software can address a DALI lighting network without a separate DALI controller.A built-in DALI power supply (16 VDC ±5%, maximum 250 mA) can be switched on or off, which suits installations where the DALI bus is already powered elsewhere. The ID code can be set over the RS-485 interface, which simplifies commissioning. DALI isolation is rated at 1500 VDC.The gateway is intended for DALI lighting systems covering small areas. DALI signal cables must not exceed 300 m. The unit carries CE, UKCA, FCC, RoHS and WEEE marks. The USB driver is listed for Windows XP and Windows 7 only.ApplicationsLighting control for small DALI installationsHost PC, PAC or TouchPAD access to DALI devicesSerial-to-DALI integration in building automation
The DS-2212i CR brings a standard RS-232 serial device onto Ethernet, so it can be reached over a LAN or the Internet without changing the device's software. Its virtual COM mode lets Windows applications open a standard PC COM port that is mapped to the remote module, while TCP Server and TCP Client modes cover direct network connections between serial equipment and host systems.The 2-port Ethernet switch with LAN bypass allows the unit to be daisy-chained along a cable run, which simplifies device placement and reduces switch infrastructure. The module can be powered from a PoE source meeting IEEE 802.3af Class 1 or from a +12 ~ 48 VDC terminal block, and the isolated RS-232 port is rated at 3000 VDC for signal isolation.Configuration is handled through the built-in web server, which supports static IP or DHCP addressing, and the module can be installed on a DIN rail. The unit carries CE, UKCA, FCC, RoHS and WEEE marks and is rated for an operating temperature of -25 ~ +75 °C.ApplicationsConnecting RS-232 devices to Ethernet networksRemote access to serial devices over Ethernet or the InternetSerial-bridge or serial-tunnel links between two serial devices over TCP/IPVirtual COM access to serial devices from Windows PCs
DS-2215i CR is a serial-to-Ethernet device server that brings an RS-422/485 serial device onto an Ethernet network without changing the device or its software. It can be run as a virtual COM port on Windows, as a TCP server or as a TCP client, and it can also link two serial devices across TCP/IP in a pair-connection setup.The built-in 2-port Ethernet switch with LAN bypass allows daisy-chain wiring, which helps when locating devices and reducing cabling. The unit supports static IP or DHCP addressing, UDP-based discovery and a built-in web server for configuration. Power can come from PoE (IEEE 802.3af, Class 1) or from a +12 ~ 48 VDC terminal block.The serial port is isolated, with 3000 VDC signal isolation, and the module is housed in a plastic DIN-rail enclosure rated for -25 ~ +75 °C operation. The VxComm Utility supports 32-bit and 64-bit Windows 7 SP1, 10, 2012 and 2016.ApplicationsAdding Ethernet connectivity to RS-422/485 serial devicesPair-connection serial-bridge or serial-tunnel links over TCP/IPVirtual COM access to serial devices from Windows PCsRemote access to serial devices on daisy-chained Ethernet networks
DS-2222i CR brings two RS-232 serial devices onto an Ethernet network without cable length restrictions. It suits engineers who need to reach legacy serial equipment over TCP/IP without rewriting host software, whether through a Virtual COM port on a Windows PC or a direct TCP connection.Each serial port is isolated, with 3000 VDC signal isolation and 1000 VDC power isolation. The two Ethernet ports form a switch with LAN bypass, so units can be daisy-chained along a run to simplify wiring and reduce infrastructure. Power can come from IEEE 802.3af Class 1 PoE or from a +12 ~ 48 VDC terminal block.Configuration is through the built-in HTTP web server, with static IP or DHCP addressing. A pair-connection mode can link two serial devices across an IP network as a serial bridge or tunnel, and UDP Search helps locate units on the network.ApplicationsConnecting RS-232 devices to Ethernet networksVirtual COM access to serial devices from Windows PCsSerial-bridge or serial-tunnel links between two serial devices over TCP/IPDaisy-chained Ethernet installations in control cabinets on DIN-rail
The DS-2225i CR brings RS-422/485 serial devices onto Ethernet, so equipment without a network port can be reached from computers, servers or PLCs across a local network or the Internet. Two isolated RS-422/485 ports with 3000 VDC signal isolation handle the serial side, and the unit is marked RoHS in the ordering description.Operating modes include Virtual COM, TCP Server and TCP Client, plus pair-connection for serial-bridge or serial-tunnel links that carry data over TCP/IP between two serial devices. The VxComm Utility maps the device to virtual COM ports on 32-bit and 64-bit Windows 7 SP1, 10, 2012 and 2016. Addressing can be static or DHCP, and the built-in web server and UDP search aid configuration and discovery.The two Ethernet ports form a switch with LAN bypass, allowing daisy-chain wiring that reduces cabling in the field. Power comes either from IEEE 802.3af Class 1 PoE or from a +12 ~ 48 VDC terminal block. The plastic DIN-rail housing is rated for an operating range of -25 ~ +75 °C.ApplicationsAdding Ethernet connectivity to RS-422/485 serial devicesRemote access and monitoring of serial devices over Ethernet or the InternetSerial-bridge and serial-tunnel links between two serial devices over TCP/IPDaisy-chained Ethernet device layouts
DS-2232i CR brings RS-232 serial devices onto Ethernet, so they can be reached across a network instead of being limited by direct serial cable length. It offers Virtual COM, TCP Server and TCP Client operating modes, and can also be set up as a serial bridge or serial tunnel to route data over TCP/IP between two serial devices.The VxComm Utility maps the unit's serial ports to standard COM ports on 32-bit and 64-bit Windows 7 SP1, 10, 2012 and 2016, allowing existing software to access the device without modification. Configuration is possible through the built-in web server, which supports static IP or DHCP addressing, and devices can be located on the network with the UDP Search discovery function.The two Ethernet ports form a switch with LAN bypass, so units can be daisy-chained along a line. Power can come from a PoE source (IEEE 802.3af, Class 1) over standard Category 5 cable, or from a +12 ~ 48 VDC terminal block. The module includes a dual watchdog and, as an i-version unit, provides 3000 VDC signal isolation and ESD protection. It is designed for DIN-rail mounting.ApplicationsConnecting serial devices, computers and servers that lack Ethernet capability to a networkRemote monitoring of serial devices over Ethernet or the InternetSerial bridging or tunnelling between two serial devices over TCP/IP
DS-2235i CR is a serial-to-Ethernet device server that brings RS-422/485 devices onto an IP network. Its three isolated serial ports let several field devices connect through one unit, with data carried over TCP/IP in Virtual COM, TCP server or TCP client mode.The VxComm Utility can map the serial ports to standard Windows COM ports, so existing software can reach serial devices over the network without modification. Pair-connection (serial-bridge or serial-tunnel) operation links two serial devices across Ethernet. A 2-port switch with LAN bypass supports daisy-chain wiring, and power can come from PoE (IEEE 802.3af, Class 1) or a DC terminal block.A dual watchdog, made up of a CPU watchdog and a host watchdog, is included to help the module keep operating in demanding environments. The CR ordering code corresponds to the RoHS-marked version of the DS-2235i.ApplicationsNetworking legacy RS-422/485 serial devices over TCP/IPSerial-bridge and serial-tunnel links between two serial devicesRemote access to and monitoring of serial devices over Ethernet or the InternetDaisy-chained Ethernet device layoutsConnecting serial devices that lack native Ethernet capability
The DS-712 CR lets an RS-232 device join an Ethernet network without changing its serial software. Its built-in COM port can be presented as a standard virtual COM port on Windows PCs using the VxComm utility, or the unit can operate as a TCP server or TCP client for direct socket communication.Because the device server is protocol independent, it suits a wide range of network-enabled applications. The DS-712 CR uses a male DB-9 connector with a 5-wire RS-232 port, and it runs from a non-regulated 12 VDC to +48 VDC supply with reverse polarity protection. The plastic housing mounts on a DIN rail or a wall.Key operating limits include a maximum baud rate of 115200 bps, an operating temperature range of -25 ~ +75 °C and a 5 ~ 90% RH non-condensing humidity rating. The unit is CE, UKCA, FCC, RoHS and WEEE listed.ApplicationsFactory automationBuilding automationHome automation
DS-715 CR brings a serial RS-422 or RS-485 device onto an Ethernet network without changing the device itself. Its single serial port is provided on a removable terminal block and can be wired as a 4-wire RS-422 port or a 2-wire RS-485 port, with 2000 Vrms isolation between the serial side and the rest of the unit.With the VxComm driver and utility, the serial port can be mapped to a standard COM port on Windows PCs, so existing COM-based software can continue to work over the network. The unit can also operate standalone as a TCP Server or TCP Client, which suits applications where the serial device is accessed directly over TCP/IP. The 10/100 Base-TX RJ-45 port auto-negotiates and supports auto MDI/MDI-X.The built-in MiniOS7 firmware and watchdog timer support dependable operation in harsh environments. The unit accepts 12 VDC to +48 VDC non-regulated input with reverse polarity protection, draws 2.0 W, and can be fitted to a DIN rail or a wall. Its operating range is -25 to +75 °C.ApplicationsFactory AutomationBuilding AutomationHome Automation
The GW-2212i bridges Modbus TCP hosts and serial Modbus RTU/ASCII devices, so legacy serial equipment can be reached over an Ethernet network without the cable length limits of a direct serial connection. It supports Modbus TCP/UDP and Modbus RTU/ASCII in both master and slave roles, with up to 32 TCP masters per serial port.Beyond protocol conversion, the unit can run as a serial bridge, serial tunnel or pair-connection, routing data over TCP/IP between two serial Modbus devices. A read-cache stores previous requests and responses so repeated polls to the same slave are answered immediately, reducing load on the serial port and improving response times. Two Ethernet ports allow daisy-chaining, and the module can be powered over PoE (IEEE 802.3af, Class 1) or from a DC terminal block.The GW-2212i is configured through its built-in web server, which supports static IP or DHCP addressing and the serial port settings. A dual watchdog (CPU and host) is provided to keep the module running and recover from firmware faults or loss of communication with the host. It is DIN-rail mounted and carries RoHS compliance.ApplicationsFactory automationBuilding and home automationRemote diagnosis and managementSolar monitoring
GW-2215i CR is a DIN-rail Modbus gateway that lets a Modbus TCP host reach serial Modbus RTU or ASCII devices across an Ethernet network, removing the cable length limits of legacy serial links. It can act as master or slave on both the TCP/UDP and the RTU/ASCII side, and it supports up to 32 TCP masters per serial port.The built-in read cache stores recent requests and responses in the module's memory. When several SCADA or HMI masters poll the same slave, the cached reply is returned immediately, which reduces traffic on the serial bus and shortens TCP response times. Two Ethernet ports allow daisy-chaining, and the unit can be set to a static IP or DHCP through its web interface.Power can come from a PoE switch (IEEE 802.3af, Class 1) or from a +12 ~ 48 VDC terminal block. The single RS-422/485 port is isolated, with 3000 VDC signal isolation, and the module operates from -25 ~ +75 °C. The ordering code GW-2215i CR is the RoHS-compliant variant listed in this shop.ApplicationsFactory automationBuilding and home automationRemote diagnosis and managementSolar monitoring
The GW-2222i is a Modbus TCP to RTU/ASCII gateway for connecting a Modbus TCP host to serial Modbus RTU or ASCII devices over Ethernet. It removes the cable length restrictions of legacy serial links, so existing serial instruments can be integrated into networked SCADA and supervisory systems without adding Ethernet capability to each device.Two Ethernet ports allow daisy-chain wiring, which simplifies device placement and cuts switch infrastructure. The unit can also run in pair-connection, serial-bridge or serial-tunnel modes, routing data over TCP/IP between two serial Modbus devices. Power can come from PoE (IEEE 802.3af, Class 1) or a DC terminal block supplying +12 ~ 48 VDC.A read-cache stores previous requests and responses, so repeated queries from multiple masters are answered immediately. This reduces load on the serial ports and improves response times and overall system stability. Configuration is handled through the built-in web server, which supports static IP or DHCP addressing.ApplicationsFactory automationBuilding and home automationRemote diagnosis and managementSolar monitoring
The GW-2225i CR is a Modbus TCP to RTU/ASCII gateway that lets a Modbus TCP host communicate with serial Modbus RTU or ASCII devices over Ethernet. Serial devices are no longer limited by the cable lengths of legacy RS-422/485 wiring, which simplifies SCADA and supervisory architectures where field devices lack Ethernet capability.Beyond host-to-device gatewaying, the unit can be configured as a pair-connection, serial-bridge or serial-tunnel, routing data over TCP/IP between two serial Modbus RTU/ASCII devices. A read-cache stores previous requests and responses, so repeated queries from several HMI or SCADA masters to the same slave are answered immediately, reducing serial bus loading. Two Ethernet ports allow daisy-chaining, and the unit can be powered via PoE (IEEE 802.3af, Class 1) or a +12 ~ 48 VDC terminal block.The GW-2225i CR suits factory and building automation, remote diagnosis and management, and solar monitoring. Its dual watchdog, with separate CPU and host watchdogs, resets the processor if the firmware misbehaves or if host communication stops for a predefined timeout. The built-in web server provides configuration of DHCP or static addressing, gateway and mask settings, and serial port parameters.ApplicationsFactory automationBuilding and home automationRemote diagnosis and managementSolar monitoring
The GW-2232i CR is a Modbus TCP to RTU/ASCII gateway that lets a Modbus TCP host communicate with serial Modbus RTU or ASCII devices over Ethernet, removing the cable length limits of legacy serial networks. It supports Modbus TCP/UDP and Modbus RTU/ASCII in both master and slave roles, with up to 32 TCP connections (masters) per serial port.Beyond simple protocol conversion, the unit can be configured as a pair-connection, serial-bridge or serial-tunnel, routing data over TCP/IP between two serial Modbus devices. Its read-cache stores previous requests and responses, so repeated requests to the same slave can be answered immediately, which reduces serial port loading and speeds up TCP responses. A built-in web server and UDP responder (UDP Search) support configuration and device discovery.Two 10/100 Ethernet ports allow daisy-chain wiring, with PoE (IEEE 802.3af, Class 1) or a 12 ~ 48 VDC terminal block as power sourceThree isolated RS-232 ports with 3000 VDC signal isolation and 1000 VDC power isolationApplicationsFactory automationBuilding and home automationRemote diagnosis and managementSolar monitoring
The GW-2235i CR bridges Modbus TCP hosts and serial Modbus RTU/ASCII devices over Ethernet, removing the cable length limits of legacy serial networks. It suits SCADA and HMI systems that need to reach serial field devices without native Ethernet capability.Each serial port accepts up to 32 TCP masters, and a read-cache stores previous requests and responses so repeated queries to the same slave are answered immediately. The two Ethernet ports allow daisy-chaining, and the unit can be powered over IEEE 802.3af Class 1 PoE or from a DC terminal block.Isolation is provided on the serial side, with 3000 VDC signal isolation on the RS-422/485 ports. Configuration is handled through the built-in web server, which supports static IP or DHCP addressing and serial port settings. The unit is CE, UKCA, FCC, RoHS and WEEE listed.ApplicationsFactory, building and home automationRemote diagnosis and managementSolar monitoring
GW-2515iM CR is a Modbus TCP to Modbus RTU/ASCII gateway for connecting Ethernet-based supervisory systems to serial field devices on RS-422/485 networks. Its built-in web server, reached through a standard browser over HTTP or HTTPS, lets engineers configure the unit without dedicated software.The two Ethernet ports form a daisy-chain topology, which reduces cabling and switch count. If power is lost on a module, the LAN bypass engages automatically so Ethernet traffic continues through the chain. Security options include Modbus/TCP Security, HTTPS, SNMPv3 and IP address filtering to allow or block specific hosts.The unit has a metal DIN-rail housing and accepts either a +12 ~ 48 VDC terminal-block supply or PoE (IEEE 802.3af, Class 2), with an operating range of -25 ~ +75 °C.ApplicationsFactory automationBuilding and home automationRemote diagnosis and managementSolar monitoring
GW-2525iM CR bridges Ethernet-based Modbus TCP clients and serial Modbus RTU or ASCII devices. It suits engineers who need to bring existing RS-422/485 equipment onto a TCP network without changing the field devices, while adding security features such as HTTPS, SNMPv3 and an IP address filter.The built-in dual-port Ethernet switch lets units be wired in a daisy chain, reducing cabling and switch count. If power is lost, the LAN bypass engages so Ethernet communication along the chain is maintained. The module can be configured through a standard web browser, with user authentication and encrypted HTTPS access.Both RS-422/485 ports are isolated, with 1000 VDC power isolation and 3000 VDC signal isolation. The unit accepts PoE (IEEE 802.3af, Class 2) or a +12 ~ 48 VDC terminal block supply and mounts on a DIN rail in a metal housing.ApplicationsFactory, building and home automationRemote diagnosis and managementSolar monitoring
The GW-2535iM CR converts Modbus TCP traffic into Modbus RTU or ASCII for serial field devices. It suits engineers who need to bring legacy RS-422/485 equipment onto an Ethernet network while adding security features such as Modbus/TCP Security, HTTPS and SNMPv3.The dual-port Ethernet switch allows devices to be wired in a daisy chain, reducing cabling and switch requirements. If power is lost, LAN bypass keeps Ethernet communication running through the chain. The built-in web server lets you configure the unit from a standard browser, and IP address filtering can allow or block specific hosts.Three isolated RS-422/485 ports provide 1000 VDC power isolation and 3000 VDC signal isolation, with speeds up to 115200 bps. The unit can be powered by PoE (IEEE 802.3af, Class 2) or by a +12 ~ 48 VDC terminal block, and it mounts on a DIN rail for control cabinet installation.ApplicationsFactory, Building and Home AutomationRemote Diagnosis and ManagementSolar Monitoring
The I-2541 CR converts a single RS-232, RS-422 or RS-485 serial port to a multi-mode ST fibre link, extending serial communication up to 2 km. Because the signal travels as light, the link is immune to EMI/RFI and is suited to runs where transmission must be protected from electrical exposure, surges or chemical corrosion.The converter supports RS-232/422 point-to-point connections as well as RS-485 multi-drop networks. Automatic RS-485 direction control, protection against lightning strikes and ESD protection on the data line help keep the serial link reliable in demanding installations.Power is supplied from +10 VDC to +30 VDC (non-isolated) with a consumption of 1.5 W. The plastic housing mounts on a DIN rail and is rated for an operating temperature of -25 ~ +75 °C.ApplicationsPoint-to-point RS-232/422 serial connectionsRS-485 multi-drop serial networksSerial links where transmission must be protected from electrical exposure, surges or chemical corrosion
The I-2542-A converts one RS-232, RS-422 or RS-485 serial port into a single-mode SC fibre link that reaches up to 15 km. Wavelength Division Multiplexing lets two independent channels share one fibre strand, transmitting at 1310 nm and receiving at 1550 nm. The I-2542-A is the first half of a matched pair, so it is intended to be used together with the I-2542-B at the far end.Engineers will value the automatic RS-485 direction control, which removes the need to manage transmit enable signals in software or wiring. The RS-232/422/485 data line has ESD protection, and the design is intended to help guard against lightning strikes and EMI/RFI interference. The port supports baud rates from 1200 to 115200 bps and draws 2 W from a non-isolated +10 VDC to +30 VDC supply.The unit has a plastic casing measuring 33 x 89 x 107 mm (W x L x H) and mounts on a DIN rail. It is rated for an operating temperature of -25 to +75 °C and a storage temperature of -30 to +75 °C, with 10 to 95% RH non-condensing humidity.ApplicationsExtending RS-232, RS-422 or RS-485 serial links over single-mode fibre up to 15 kmSerial communication in installations exposed to lightning strikes and EMI/RFIMaking better use of existing single-mode fibre by carrying two channels on one strand
The I-2542-A25 is a single-strand fibre converter that extends an RS-232, RS-422 or RS-485 serial link over one single-mode fibre for up to 25 km. Wavelength Division Multiplexing lets two independent data channels share one fibre, with transmit at 1310 nm and receive at 1550 nm, so an existing single-mode line can carry bidirectional serial traffic without laying new cable.Automatic RS-485 direction control removes the need to manage transmit enable signals in the host, and ESD protection on the serial data line helps the unit withstand electrostatic discharge at the connection point. The fibre path is designed to avoid problems from lightning strikes and EMI/RFI interference, which suits serial runs that cross noisy plant or long outdoor routes.The unit mounts on a DIN rail and runs from a +10 VDC to +30 VDC supply, drawing 2 W. It supports baud rates from 1200 to 115200 bps and operates between -25 and +75 °C. The source notes that the I-2542-A25 and I-2542-B25 form a pair, so both ends of a WDM link must be matched accordingly.ApplicationsExtending serial RS-232, RS-422 or RS-485 links over long single-mode fibre routesSerial communication in electrically noisy environments where EMI/RFI and lightning are a concernReusing existing single-mode fibre by doubling usable capacity with WDM
The I-2542-B extends a single serial port over single-mode fibre, carrying RS-232, RS-422 or RS-485 traffic across distances of up to 15 km. Its WDM design sends and receives on separate wavelengths, so both directions share one fibre strand. It is supplied as the B half of a matched pair, so the I-2542-A is needed at the other end of the link.Automatic RS-485 direction control removes the need to manage transmit enable signals in the host system. An ESD-protected data line and a fibre medium that is not affected by lightning strikes or EMI/RFI help keep the link reliable in electrically noisy plant. The unit accepts a 10 to 30 VDC supply, draws 2 W, and installs on a DIN rail in a plastic housing.Operating range is -25 to +75 °C, with storage from -30 to +75 °C and 10 to 95% RH non-condensing. Baud rates from 1200 to 115200 bps are supported on the serial port.ApplicationsExtending serial links between buildings or plant areas beyond copper cable limitsSerial device connections in electrically noisy industrial environmentsPoint-to-point fibre links for RS-232, RS-422 or RS-485 equipment
I-2542-B25 converts an RS-232, RS-422 or RS-485 serial link into a single-mode fibre optic link, extending serial communication over 25 km. Wavelength division multiplexing lets two independent data channels share one fibre, which is useful where spare fibre is limited or new cabling is costly.This B-variant transmits at 1550 nm and receives at 1310 nm, so it is supplied as one half of a matched pair with the I-2542-A25. The unit includes automatic RS-485 direction control, so no separate direction signal is needed from the host. Its serial data line has ESD protection, and it is designed to resist lightning strikes and EMI/RFI interference.The converter runs from a +10 VDC to +30 VDC supply, draws 2 W and mounts on a DIN rail. It is rated for -25 ~ +75 °C operation, which suits cabinets and field installations. Fibre cable of 8.3/125, 8.7/125, 9/125 or 10/125 μm is supported, with 9/125 μm recommended for the 25 km distance.ApplicationsExtending serial RS-232, RS-422 or RS-485 links over long single-mode fibre runsReusing existing single-mode fibre infrastructure through wavelength division multiplexingSerial communication in electrically noisy or lightning-exposed installations
The I-7188E1 CR is a programmable Ethernet device server that brings a single RS-232 serial device onto an Ethernet network. Because the serial side is protocol independent, it suits engineers who need to network an existing RS-232 instrument, controller or terminal without changing the device itself.Serial data can be passed to a PC through Virtual COM, letting existing COM-port software communicate over Ethernet, or exchanged through a raw TCP connection. The built-in MiniOS7 and Xserver programming structure allow custom Ethernet applications to be developed on the unit, and a watchdog timer supports operation in demanding environments.The removable on-board terminal block simplifies wiring of the RS-232 signals (TXD, RXD, RTS, CTS, GND) and the +10 ~ +30 VDC non-regulated supply, which includes reverse polarity protection. The compact enclosure measures 123 mm x 72 mm x 33 mm.ApplicationsFactory AutomationBuilding AutomationHome Automation