Device Servers
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
PDS-220FC CR is a programmable device server that carries RS-232 and RS-422/485 serial traffic over multi-mode fibre. Fitting it to a serial device lets you extend the link to 2 km through a 100Base-FX SC port, where copper cabling would suffer from electrical noise, ground potential differences or the risk of sparks.Because the fibre path is immune to electromagnetic interference and does not radiate, the unit suits sites with heavy motor, relay or welding equipment, flammable atmospheres and high-security installations. The built-in MiniOS7 runtime and programmable structure let engineers tailor the device server to their own network application, and the Modbus TCP to RTU/ASCII gateway function allows Modbus TCP clients to reach serial slaves.The unit mounts on a DIN rail, is powered from 12 to 48 VDC with reverse polarity protection, and is rated for operation from -25 to +75 °C. A watchdog timer and ESD protection on the serial port support reliable operation in harsh environments.ApplicationsFactory automationBuilding automationHome automation
PDS-220FCS CR is a programmable device server that carries RS-232 and RS-422/485 serial traffic over a single-mode SC fibre link. It suits engineers who need to move serial devices across long runs or into electrically noisy and high-voltage areas, where copper cabling would be unreliable or unsafe.The unit combines a 1-port 100Base-FX Ethernet interface with one 5-wire RS-232 port and one RS-485/RS-422 port. The Virtual COM driver extends the COM ports of a PC over the network, and the built-in Modbus TCP to RTU/ASCII gateway lets Modbus TCP clients reach serial slave devices. The MiniOS7 firmware runs the programmable application on the unit itself.Protection features include a Watchdog Timer, +/-4 kV ESD protection on the serial port and a Self-Tuner ASIC controller on the RS-485 port. The unit draws 0.14 A at 24 VDC, accepts +12 to 48 VDC and mounts on DIN-rail. It is rated for -25 to +75 °C operation.ApplicationsFactory AutomationBuilding AutomationHome Automation
The PDS-220FCS-60 CR extends RS-232 and RS-422/485 serial devices over a single-mode SC fibre link rated for 60 km. Fibre carries signals with lower loss and no crosstalk, and it is far less affected by electrical noise from motors, relays and welding equipment, so it suits runs where copper cabling is impractical.Beyond the fibre uplink, the unit is a programmable device server built on the MiniOS7 platform, with a Modbus TCP to RTU/ASCII gateway included. Virtual COM support extends COM ports, and the Virtual Utility supports 32 and 64-bit Windows 7 SP1, 10, 2012 and 2016.The unit is designed for DIN-rail installation with a fire-retardant plastic casing, an operating range of -25 ~ +75 °C and a power input of +12 ~ 48 VDC with reverse polarity protection. Its watchdog timer and ESD protection on the serial port support use in harsh environments.ApplicationsFactory automationBuilding automationHome automation
The PDS-220FT CR is a programmable device server that brings optical fibre connectivity to serial equipment. It connects one RS-232 port and one RS-422/485 port to a 100Base-FX Ethernet link over multi-mode ST fibre, rated at 2 km, so serial devices can communicate over distances that copper cabling struggles to cover.Fibre suits sites with heavy electrical noise from motors, relays and welders, areas near high-voltage equipment or with differing earth potentials, and locations with flammable gases, as optical signals produce no sparks. The unit also includes a Modbus TCP to RTU/ASCII gateway, so Modbus TCP clients can reach Modbus RTU or ASCII devices on the serial side.The VxComm-based Virtual COM utility maps the built-in serial ports to standard COM ports on Windows, while the built-in MiniOS7 and Xserver programming structure let engineers build custom Ethernet applications. A watchdog timer, removable terminal block and DIN-rail mounting support robust installation in industrial cabinets.ApplicationsFactory AutomationBuilding AutomationHome Automation
The PDS-5105D-MTCP is a programmable device server, also known as a Serial-to-Ethernet gateway, for bringing RS-232/485 devices onto an Ethernet network. The VxComm driver and utility map its built-in COM ports to standard COM ports on a PC, so existing serial software can keep working with networked hardware.Programming is handled through the Xserver structure, and the built-in MiniOS7 real-time operating system boots in about one second. The unit can also act as a Modbus TCP to RTU/ASCII gateway, which suits SCADA and HMI systems that speak Modbus/TCP.Ethernet cabling can be daisy-chained through the integrated 2-port 10/100Base-TX switch. If the unit goes offline because of a software, hardware or power failure, the LAN bypass takes over so essential network traffic continues. The removable terminal block simplifies field wiring.ApplicationsFactory automationBuilding automationHome automation
The PDS-720 CR links a standard RS-232 device and an RS-485 device to an Ethernet network. Its built-in COM ports can be presented as standard COM ports on a Windows PC using the VxComm driver and utility, so existing serial software can continue to work across the network without modification.Beyond simple serial bridging, the unit runs the built-in MiniOS7 real-time operating system and can be programmed through the Xserver structure to build custom Ethernet applications. It also operates as a Modbus TCP to RTU/ASCII gateway, suited to SCADA and HMI systems that communicate over Modbus TCP. The module is supplied with the CA-0910 cable.The housing is plastic and measures 72 mm x 35 mm x 112 mm, with DIN-rail or wall mounting. Power is taken from a +10 ~ 30 VDC terminal block, and the unit is rated for operation from -25 ~ +75 °C with 5 ~ 90% RH non-condensing humidity.ApplicationsFactory automationBuilding automationHome automation
The PDS-720D CR bridges one RS-232 and one RS-485 serial device onto a 10/100 Base-TX Ethernet network, so legacy equipment can be reached from SCADA, HMI or PC software without redesigning the serial side. Virtual COM drivers let Windows applications address the device server's serial ports as standard COM ports.Beyond simple serial tunnelling, the unit is a programmable device server built around a MiniOS7 kernel and an Xserver programming structure, which suits custom Ethernet logic. It also acts as a Modbus TCP to RTU/ASCII gateway, allowing Modbus TCP clients to talk to serial Modbus slaves. The LED display and power indicator help with local status checks.The unit has a plastic housing, a removable terminal block for wiring and supports DIN-rail or wall mounting. It is rated for an operating temperature of -25 ~ +75 °C and is supplied with the CA-0910 cable.ApplicationsFactory AutomationBuilding AutomationHome Automation
PDS-721 is a programmable device server that brings RS-232 and RS-485 serial equipment onto an Ethernet network. A virtual COM driver lets a Windows PC treat the device's serial ports as local COM ports, so existing serial software can keep working over the network.The unit runs the built-in MiniOS7 and can be programmed for custom Ethernet applications. It also acts as a Modbus TCP to RTU/ASCII gateway, which suits SCADA and HMI systems that speak Modbus TCP but must reach serial field devices. The six digital inputs support latched input and counter functions, and the seven open-collector outputs are rated for up to 30 VDC and 100 mA.This plastic-cased CR version is a DIN-rail or wall-mounted unit with a removable terminal block for wiring. It is supplied with the CA-0910 cable. For a metal enclosure, see the PDSM-721 listed in the same series.ApplicationsFactory automationBuilding automationHome automation
The PDS-721D brings a serial RS-232 device and an RS-485 device onto an Ethernet network without changing the serial application. Its virtual COM driver lets a PC address the device's serial ports as standard COM ports, which suits legacy software that expects a local serial connection.Beyond serial bridging, the unit runs a programmable Xserver structure on a built-in MiniOS7 platform, so custom Ethernet logic can be developed on the device. It also acts as a Modbus TCP to RTU/ASCII gateway, allowing Modbus TCP SCADA or HMI systems to reach Modbus serial slaves. The six digital inputs support latched and counter functions, and the seven open-collector outputs and LED display add local status and control.The PDS-721D is supplied with a CA-0910 cable and suits factory, building and home automation installations. It is housed in a plastic casing with DIN-rail or wall mounting, a removable terminal block, and a watchdog timer for use in harsh environments.ApplicationsFactory AutomationBuilding AutomationHome Automation
The PDS-732 CR is a programmable device server that connects RS-232 and RS-485 serial equipment to an Ethernet network. Its built-in COM ports can be presented as standard COM ports on a Windows PC through the VxComm driver and utility, so PC software that expects a local COM port can reach serial devices over the network.The unit runs the built-in MiniOS7 operating system and can be programmed with the Xserver structure for custom Ethernet applications. It also works as a Modbus TCP to RTU/ASCII gateway, allowing Modbus TCP SCADA and HMI systems to communicate with serial Modbus devices.Four digital inputs (dry contact, source type with common ground, ON from +3.5 to +30 V) and four open-collector NPN digital outputs (30 VDC, 100 mA max.) add discrete I/O alongside the serial ports. The plastic housing mounts on DIN-rail or wall, with an operating range of -25 ~ +75 °C. The CA-0910 cable is included.ApplicationsFactory AutomationBuilding AutomationHome Automation
PDS-732D CR is a programmable serial-to-Ethernet device server for bringing legacy RS-232 and RS-485 equipment onto an Ethernet network without replacing the serial devices. The built-in VxComm driver maps the serial ports to virtual COM ports on a Windows PC, so existing COM-based software can continue to work over the network.The unit runs the MiniOS7 operating system and an Xserver programming structure, allowing custom Ethernet applications to be developed on the device. It can also act as a Modbus TCP to RTU/ASCII gateway, which suits SCADA and HMI systems that speak Modbus TCP to serial field devices. Four digital inputs support latched and counter functions, and four open-collector digital outputs (NPN sink) switch loads up to 30 VDC and 100 mA.The plastic-cased PDS-732D is intended for DIN-rail or wall mounting and is powered from a +10 ~ 30 VDC terminal block. Its operating range is -25 ~ +75 °C. A watchdog timer and +/-4 kV ESD protection on the serial port support use in demanding environments. A CA-0910 cable is included with each unit.ApplicationsFactory AutomationBuilding AutomationHome Automation
The PDS-734 CR links legacy RS-232, RS-485 and RS-422/485 devices to an Ethernet network. Its built-in COM ports can be mapped to standard virtual COM ports on a Windows PC, so existing serial software can keep working over the network without rewriting the application.Beyond simple serial bridging, the unit runs a programmable device server environment and can act as a Modbus TCP to RTU/ASCII gateway for SCADA and HMI systems. Four digital inputs with latched and counter functions and four open-collector sink outputs add local discrete I/O, while a watchdog timer supports operation in demanding environments.The PDS-734 CR uses a plastic casing with a removable terminal block for wiring, and mounts on DIN-rail or wall. It is supplied with the CA-0910 cable.ApplicationsFactory automationBuilding automationHome automation
The PDS-734D CR brings three serial ports, four digital inputs and four digital outputs onto an Ethernet network in a compact DIN-rail or wall-mounted unit. It suits engineers who need to connect legacy RS-232 or RS-485 field devices to a PC, SCADA or HMI system without rewriting the device firmware.The built-in MiniOS7 runtime and Xserver programming structure allow custom Ethernet logic to be added to the device. The unit can also act as a Modbus TCP to RTU/ASCII gateway, so Modbus TCP masters can reach serial slaves directly. Each digital input supports latched and counter functions, and the 4 DO channels are open-collector NPN sink outputs rated at 30 VDC and 100 mA.The CA-0910 cable is included with the ordering code. The removable terminal block and plastic casing with a built-in watchdog timer make installation and maintenance straightforward in industrial cabinets.ApplicationsFactory automationBuilding automationHome automation
The PDS-742 is a programmable device server that brings serial equipment onto an Ethernet network. It provides three RS-232 ports and one RS-485 port, so existing serial instruments, controllers and field devices can be integrated without replacing them. The VxComm driver and utility can map the device's serial ports to virtual COM ports on a Windows PC, allowing standard COM-based software to communicate with them over the network.Beyond simple serial-to-Ethernet bridging, the unit runs the built-in MiniOS7 from ICP DAS and can be programmed for custom Ethernet applications. It also operates as a Modbus TCP to RTU/ASCII gateway, supporting SCADA and HMI systems that communicate over Modbus TCP. A watchdog timer and +/-4 kV ESD protection on the serial ports help it cope with demanding industrial environments.The PDS-742 ordering code includes the CA-0910 cable. It has a plastic casing, a removable terminal block for wiring, and can be mounted on a DIN rail or on a wall. It is rated for an operating temperature of -25 ~ +75 °C and is supplied from a +10 ~ 30 VDC terminal block supply.ApplicationsFactory automationBuilding automationHome automation
The PDS-742D is a programmable serial-to-Ethernet device server for bringing legacy RS-232 and RS-485 equipment onto an Ethernet network. Its built-in ports can be presented to a Windows PC as standard virtual COM ports, so existing serial software can continue to work with networked devices.Beyond simple serial tunnelling, the unit runs the MiniOS7 operating system and can be programmed using the Xserver structure to build custom Ethernet applications. It also acts as a Modbus TCP to RTU/ASCII gateway, allowing Modbus TCP SCADA or HMI systems to poll Modbus RTU or ASCII slave devices. The LED display shows power status and a five-digit seven-segment readout.Designed for industrial environments, the device offers a watchdog timer and ESD protection on its serial ports, with removable terminal blocks for wiring. It mounts on DIN-rail or wall and is rated for operation from -25 to +75 °C. A CA-0910 cable is included with this ordering code.ApplicationsFactory AutomationBuilding AutomationHome Automation
The PDS-743 CR is a programmable device server that brings RS-232 and RS-485 serial devices onto an Ethernet network. Its built-in COM ports can be mapped to standard Virtual COM ports on a Windows PC using the VxComm utility, so existing serial software can keep working without modification.The unit also acts as a Modbus TCP to RTU/ASCII gateway, allowing SCADA and HMI systems that speak Modbus TCP to reach Modbus RTU or ASCII slave devices. The built-in MiniOS7 runtime and programmable Xserver structure let engineers build custom Ethernet applications on the device.Four digital inputs with latched and counter functions and four open-collector digital outputs add local I/O to the serial gateway. The plastic enclosure mounts on DIN-rail or wall, and a removable terminal block simplifies wiring. The CA-0910 cable is included.ApplicationsFactory automationBuilding automationHome automation