Ethernet I/O Modules (Regular)

DN-AIH-08 is a termination board for HART analog input modules. It measures the analogue signal on each of its 8 channels and can also supply isolated loop power to field devices, so it accommodates both active and passive loop wiring.The board includes short-circuit protection on the isolated power output. If the circuit is shorted or the current becomes too high, the loop current is limited. Removable fuses protect loop devices from high inrush current, and each fuse has a physical indicator that shows when it has blown.Suited to HART analog input installations where field devices need to be wired in either active or passive loop configuration.Mounts on DIN-rail or wall, with dimensions of 135 x 214.6 x 25.5 mm.ApplicationsConnecting HART analogue field devices to HART analog input modulesLoop-powered field instrumentation requiring isolated passive loop powerIndustrial installations requiring protected analogue loop wiring

DN-AII-08 CR is a termination board for current analog input modules. It connects field signals to the input channels and also measures the analog current, so it fits systems where the input is a current loop.The board supplies isolated loop power to field devices and supports both active and passive loop wiring on its 8 channels. The isolated supply is short-circuit protected: the loop current is limited when the circuit is shorted or the current becomes excessive. Removable fuses protect loop devices from high inrush current, and each fuse shows a physical indicator when it has blown.The board measures 135 x 214.6 x 25.5 mm and mounts on a DIN rail or on a wall. It is rated for an operating temperature of -25 ~ 75 °C and 5 ~ 95% RH, non-condensing.ApplicationsCurrent-loop field device wiring with active or passive loops

The DN-AIO-M CR is a universal termination board for analog input and output modules. It is designed as a general-purpose wiring point for most kinds of analog module, so one board can serve a range of analog I/O installations.Its footprint is small, matching other mini termination boards, which makes it easier to fit into control panels where space is limited. It can be mounted on a DIN rail or on a wall.Pin assignment and wiring information covers voltage and current input and output configurations.Operating range of -25 ~ 75 °C and 5 ~ 95% RH, non-condensing.Carries CE, UKCA, FCC, RoHS and WEEE markings.ApplicationsTerminating field wiring for analog input modulesTerminating field wiring for analog output modulesCompact wiring points in control panels and installations

The DN-DI-32DW CR is a 32-channel termination board for digital input wiring. It offers sink and source connections, so it can be matched to the field device and the input module it feeds. Jumper settings select the wire connection, allowing the board to handle both dry and wet contact devices.Each channel has its own removable fuse on the field loop, rated 320mA and with local indication of fuse failure. Overvoltage and transient protection, together with high EMS protection, help protect the field wiring. Each channel also provides a COM pin, so a separate terminal block is not needed to extend the common connection.The board mounts on a DIN rail or directly on a wall. Its rated operating temperature is -25 ~ 75 °C, with humidity of 5 ~ 95% RH, non-condensing. When using dry contact wiring, an external power supply must also be connected.ApplicationsWiring field devices to digital input modulesDigital input connections using dry or wet contacts

The DN-DIO-M CR is a universal termination board for digital I/O signals, providing a convenient point to terminate field wiring for digital input and output modules.Its compact footprint of 112 x 117 x 29 mm makes it practical where cabinet space is tight. It can be fitted to a DIN-rail or mounted directly on a wall, and it is rated for an operating temperature of -25 ~ +75 °C and 5 ~ 95% RH non-condensing humidity.The board carries CE, UKCA, FCC, RoHS and WEEE certifications and provides 32 digital output channels.ApplicationsTermination of digital I/O wiring in small control cabinetsSpace-constrained industrial automation panels

DN-DO-16DR-A is a relay termination board that serves digital output channels 0 to 15. Each channel is fitted with a Form C (SPDT) relay, so every output provides both a normally open and a normally closed contact. Engineers can wire the channel for positive logic (N.O.), negative logic (N.C.), or use both contacts from the same output to extend control logic.Each channel carries two varistors, one across the N.O. contact and one across the N.C. contact, to suppress high-voltage transients and surges on the control loop. The relays are removable, which simplifies replacement and maintenance without rewiring the field side.The board is rated at 6 A rated current (10 A maximum peak) and 250 VAC rated voltage (400 VAC maximum switching voltage), with a relay operate time of 8 ms and a release time of 5 ms. It mounts on a DIN rail or on a wall and operates from -25 ~ 75 °C.ApplicationsSwitching control loops with transient and surge protectionDigital output termination for remote I/O systems

DN-DO-16DR-B CR is a relay termination board that converts digital output channels 16 to 31 into Form C (SPDT) relay contacts. Each channel provides both a normally open (N.O.) and a normally closed (N.C.) contact, so it can be wired for positive logic, negative logic or both, which helps extend control logic where a single contact is not enough.Each channel has built-in varistors on its N.O. and N.C. contacts to protect the control loop against high-voltage transients and surges. The relays are removable, and the board can be mounted on a DIN rail or on a wall.Rated 6 A / 10 A (rated / max. peak current) at 250 VAC / 400 VAC (rated / max. switching voltage)Operate time 8 ms, release time 5 ms, mechanical endurance 20 x 10^6Operating temperature -25 ~ 75 °C, 5 ~ 95% RH non-condensingApplicationsRelay switching of control loops that may see high-voltage transients and surgesPositive (N.O.) or negative (N.C.) logic control outputs from digital output channels 16 to 31

The DN-PI-M CR is a termination board for pulse input modules, providing a connection point for field wiring to the module. It offers 8 channels in a compact footprint of 112 x 117 x 29 mm.Its small size makes it practical where cabinet space is limited, allowing it to fit into compact control enclosures. It can be mounted on a DIN rail or on a wall.The board is rated for an operating temperature of -25 ~ 75 °C and a humidity range of 5 ~ 95% RH, non-condensing. It carries CE, UKCA, NCC, RoHS and WEEE certifications.ApplicationsPulse input wiring in small control cabinetsPulse input signal termination for space-constrained installations

DN-RTD-M CR is a termination board for RTD input modules. It gives engineers a tidy point to land field wiring before it reaches the RTD input module, and its footprint is kept small to match other mini termination boards in the range.At 112 x 117 x 29 mm it suits control cabinets where space is limited. It can be fitted on a DIN rail or mounted directly to a wall, and it is rated for an operating temperature of -25 ~ 75 °C with 5 ~ 95% RH non-condensing humidity.Pin assignments and wiring details are provided by the manufacturer for installation.ApplicationsWiring RTD sensors to RTD input modules in control cabinetsCompact I/O wiring where space is limited

The DN-TC-M CR is a termination board for thermocouple input modules. Its built-in cold junction compensation (CJC) helps measure temperature more accurately by correcting for the temperature at the terminal connections.The board is small, sharing the same footprint as other mini termination boards in the range, which keeps panel layouts consistent when several boards are installed together. It can be mounted on a DIN rail or on a wall.Key points for specification:8 thermocouple channelsOperating temperature -25 ~ 75 °C, humidity 5 ~ 95% RH non-condensingDimensions 112 x 117 x 29 mmApplicationsThermocouple temperature measurementPanel-mounted termination for thermocouple input modules

The ET-2215H is an Ethernet remote I/O module for engineers who need fast, accurate temperature readings from RTD sensors. Each of its eight channels accepts Pt100, Ni120, Cu50 and Cu100 sensors and can be configured individually. In Fast Mode each channel samples at 90 Hz, while Normal Mode runs at 1.5 Hz per channel.Three-wire lead resistance compensation keeps readings reliable when cable runs are long, and open wire detection flags a broken sensor connection on any channel. Accuracy is specified at ±0.05 % of FSR in Normal Mode and ±0.1 % of FSR in Fast Mode, both at 25 ℃, with a 16-bit resolution.The built-in 2-port switch with LAN bypass allows modules to be daisy-chained, reducing the number of switches needed in a panel. A built-in web server handles configuration, access is protected by password and IP filter, and firmware can be updated over Ethernet. Galvanic isolation is rated at 1500 VDC on Ethernet and 3000 VDC on I/O, and the module is specified for EFT, ESD and surge immunity to IEC 61000-4-4, -4-2 and -4-5.ApplicationsFactory AutomationMachine AutomationBuilding AutomationRemote Diagnosis & MaintenanceTesting Equipment

The ET-2215H-16 is an Ethernet I/O module for temperature measurement with 16 RTD inputs. Each channel can be configured individually and accepts Pt100, Ni120, Cu50 and Cu100 sensors. Fast Mode gives 90 Hz sampling per channel, while Normal Mode runs at 1.5 Hz per channel, so the module can be matched to the speed the application needs.Three-wire RTD lead resistance elimination keeps readings accurate across different cable lengths, and open wire detection flags broken sensor connections. The built-in 2-port 10/100 Base-Tx switch with LAN bypass lets engineers chain devices along the network, which reduces cabling and switch hardware. Modbus TCP/UDP, MQTT and SNMP V2c are supported, and the module can be configured through its web server.For electrically noisy plants, the module provides 3000 VDC I/O isolation and 1500 VDC Ethernet isolation, together with EFT, ESD and surge protection to the levels listed in the specification. It is housed in a metal casing and mounts on DIN-rail or wall.ApplicationsFactory AutomationMachine AutomationBuilding AutomationRemote Diagnosis & MaintenanceTesting Equipment

The ET-2217 CR is an Ethernet analog input module for acquiring voltage and current signals over a network. Each channel can be configured individually, and the inputs can be set in software as 8 differential or 16 single-ended channels.Inputs are 16-bit, with voltage ranges from ±150 mV to ±10 V and current ranges of ±20 mA, 0 ~ +20 mA and +4 ~ +20 mA. Voltage or current type is selected by DIP switch. Normal mode samples all channels at 20 Hz and fast mode at 200 Hz. The module tolerates 120 VDC overvoltage, is isolated to 3000 VDC on the I/O side and includes EMS protection against EFT, ESD and surge.For networking, the built-in 2-port switch supports LAN bypass for daisy-chain wiring. MQTT publish and subscribe with automatic reconnection and Keep-Alive, and SNMP V2c with Trap messages on I/O change or restart, provide flexible integration. A built-in web server handles configuration.ApplicationsFactory AutomationMachine AutomationBuilding AutomationRemote Diagnosis & MaintenanceTesting Equipment

The ET-2217CI CR is an 8-channel analog input module for engineers who need isolated, network-connected measurement. Each differential input can be set in software as voltage or current, with ranges from ±1 V to ±10 V and 0 ~ 20 mA or 4 ~ 20 mA. The 16-bit inputs have an accuracy of ±0.1% of FSR, and each channel is isolated from the others at 3000 VDC.Measurements are recorded with time stamps at a normal rate of 10 Hz or a fast rate of 200 Hz per channel, with up to 320,000 records per channel. Data can be read out over Modbus TCP, Modbus UDP or MQTT, or exported to CSV using the LogReader tool. The built-in web server, password and IP filter access control, and LAN bypass on the 2-port switch support daisy-chain wiring.Overvoltage protection up to +120 VDC and 50 mA overcurrent protection at 110 VDC (max.)Open wire detection on each 4 ~ 20 mA inputEFT, ESD and surge protection to IEC 61000-4-4, IEC 61000-4-2 and IEC 61000-4-5DIN-rail or wall mounting in a metal housing, rated IP30ApplicationsFactory AutomationMachine AutomationBuilding AutomationRemote Diagnosis & MaintenanceTesting Equipment

The ET-2217CI-4 is a four-channel analog input module for Ethernet-based data acquisition. Each channel can be configured individually in software as a voltage or current input, which makes it suitable for mixed sensor signals on a single unit. Input ranges cover ±1 V, ±2.5 V, ±5 V, ±10 V, 0 ~ 20 mA and 4 ~ 20 mA, with 16-bit resolution.Measurements are time-stamped and can be recorded locally. Sampling runs at 10 Hz per channel in normal mode or 200 Hz per channel in fast mode, and the data logger holds up to 480,000 records per channel. Data can be read out and exported to CSV with the LogReader tool. Communication uses Modbus TCP, Modbus UDP or MQTT, and the built-in web server handles configuration.The built-in 2-port switch with LAN bypass supports daisy-chain wiring. Channel-to-channel isolation of 3000 VDC, together with EFT, ESD and surge protection, suits electrically noisy industrial environments. The module mounts on DIN-rail or wall, with an optional wall-mounting kit (ASO-0015).ApplicationsFactory AutomationMachine AutomationBuilding AutomationRemote Diagnosis & MaintenanceTesting Equipment

ET-2217H is an Ethernet I/O module for engineers who need fast, multi-channel analogue acquisition on a networked device. Its eight differential inputs can each be configured individually for voltage or current signals, with the input type set by DIP switch and ranges from ±2.5 V up to ±10 V or 0 ~ +20 mA, 4 ~ +20 mA and ±20 mA.Data resolution is 16-bit, and the module samples across all channels at a total rate of 8 kHz when using TCP streaming. The available sampling rate per channel scales with the number of channels in use. Protection features include common voltage protection of ±200 VDC, overvoltage protection of +50 VDC and overcurrent protection of 50 mA at 50 VDC (max.). Isolation is rated at 1500 VDC on Ethernet and 3000 VDC on I/O.The built-in two-port switch allows LAN bypass and daisy-chain wiring, which simplifies cabling in distributed panels. Configuration is done through the built-in web server, with password and IP filter access control. Supported protocols include Modbus TCP, Modbus UDP, MQTT and SNMP V2c, and the module can be powered from a +10 ~ +48 VDC terminal block.ApplicationsFactory AutomationMachine AutomationBuilding AutomationRemote Diagnosis & MaintenanceTesting Equipment

Ethernet I/O Module with 2-port Ethernet Switch, 16-ch High Speed Thermocouple Input, 100 S/s. includes CN-1826M Daughter Board.

Ethernet I/O Module with 2-port Ethernet Switch, 8-ch High Speed Thermocouple Input, 100 S/s. includes CN-1825M Daughter Board.

The ET-2218HS-16 CR is an Ethernet I/O module that brings 16 thermocouple inputs onto a network. Each channel can be configured individually and sampled at up to 100 Hz in Fast Mode, with open wire detection to flag broken sensor circuits. Automatic cold-junction compensation is applied across all channels, so engineers can connect standard thermocouple types without external reference hardware.A built-in 2-port 10/100 Base-Tx switch with LAN bypass allows modules to be daisy-chained along the network, reducing cabling and switch infrastructure. Configuration is done through the built-in web server, and the module reports data over Modbus TCP/UDP, MQTT and SNMP V2c. Firmware can be updated via Ethernet.For electrically noisy plants, the module offers EFT, ESD and surge protection and 3000 VDC I/O isolation. It is housed in a metal casing, mounts on DIN-rail or wall, and is rated for -25 ~ +75 °C operation.ApplicationsSMD assembly manufacturingPC board manufacturingFootwear manufacturingFood industryPharmaceutical industryAny temperature measurement application in industry

The ET-2224 is a remote Ethernet I/O module that drives four analog outputs, selectable as voltage or current. Engineers can choose between 0 ~ +5 VDC, ±5 VDC, 0 ~ +10 VDC, ±10 VDC, 0 ~ 20 mA and 4 ~ 20 mA on each channel, with configurable power-on and safe values, and open wire detection on the 4 ~ 20 mA outputs.A built-in 2-port switch with LAN bypass allows modules to be daisy-chained along the network, which reduces cabling and switch hardware. The module reports I/O status over Modbus TCP/UDP, and can act as an MQTT publisher and subscriber or send SNMP V2c information and traps to network management software.The ET-2224 CR is the RoHS-compliant ordering variant. It offers 3000 VDC I/O isolation and EMS protection against EFT, ESD and surge, and it is configured through a built-in web server with password and IP filter access control.ApplicationsFactory AutomationMachine AutomationBuilding AutomationRemote Diagnosis & MaintenanceTesting Equipment

ET-2224CI is a 4-channel analog output module for Ethernet-based control networks. Each channel can be set individually to 0 ~ 5 V, 0 ~ 10 V, 0 ~ 20 mA or 4 ~ 20 mA, so one module can serve a mix of voltage and current actuators. Configuration is carried out through the built-in web server, and the power-on and safe output values are programmable for each channel.The built-in 2-port 10/100 Base-Tx switch with LAN bypass allows devices to be daisy-chained along a line, reducing the cabling needed back to the switch. Open wire detection is provided for each 4 ~ 20 mA channel, and dual-watchdog support helps the module return to a defined state if communication is lost. I/O Pair Connection lets remote analog input data be written to local outputs via Modbus TCP.For connectivity, the module supports Modbus TCP and Modbus UDP, and it can act as an MQTT publisher and subscriber, with automatic reconnection and Keep-Alive handling. SNMP V2c is also supported. The metal casing and DIN-rail mounting suit control cabinet installations, with 3000 VDC I/O and channel-to-channel isolation for noisy industrial environments.ApplicationsFactory AutomationMachine AutomationBuilding AutomationRemote Diagnosis & MaintenanceTesting Equipment

The ET-2224CIS CR is an Ethernet-connected analog output module for engineers who need four isolated 12-bit outputs at a remote point in the network. Each channel can be set to 0 ~ 5 V, 0 ~ 10 V, 0 ~ 20 mA or 4 ~ 20 mA, so one module can serve a mix of voltage and current inputs on field devices.Output behaviour can be tailored to the process. Power-on and safe values are programmable, output readback and voltage/current ADC readback help verify what the module is driving, and over-value protection guards against unintended high outputs. Open wire detection is provided on the 4 ~ 20 mA channels, and each channel has 3000 VDC isolation from the others.For networking, the built-in 2-port 10/100 Base-Tx switch with LAN bypass supports daisy-chain wiring, and the module can be reached through Modbus TCP/UDP, MQTT or SNMP V2c. I/O Pair Connection allows remote analog input data to be written to local outputs in Pull mode. The listing describes this ordering code as RoHS compliant.ApplicationsFactory AutomationMachine AutomationBuilding AutomationRemote Diagnosis & MaintenanceTesting Equipment

The ET-2224P is a 4-channel Ethernet analog output module with 16-bit resolution, suited to engineers who need to drive voltage or current signals from a networked I/O point. Each channel can be set to 0 ~ 5 V, ±5 V, 0 ~ 10 V, ±10 V, 0 ~ 20 mA or 4 ~ 20 mA, and power-on and safe output values are programmable per channel.A built-in 2-port switch with LAN bypass lets you daisy-chain modules along a network segment, which reduces the need for separate switches in the cabinet. Modbus TCP/UDP, MQTT and SNMP V2c are supported, so the module can be integrated with SCADA systems, MQTT brokers or SNMP network management tools. Dual watchdogs, a web server for configuration and I/O pair connection add to the module's control and monitoring options.Isolation is rated at 1500 VDC for Ethernet and 3000 VDC for I/O, and the module carries EFT, ESD and surge protection ratings to IEC 61000-4-4, -2 and -5. The unit operates from -25 ~ +75 °C and is housed in a metal casing for DIN-rail or wall mounting.ApplicationsFactory AutomationMachine AutomationBuilding AutomationRemote Diagnosis & MaintenanceTesting Equipment

The ET-2228 CR provides eight analogue output channels for driving voltage or current signals from an Ethernet network. Each channel can be configured for 0 ~ 5 V, ±5 V, 0 ~ 10 V, ±10 V, 4 ~ 20 mA or 0 ~ 20 mA, with 12-bit resolution and an accuracy of ±0.1% of FSR.A built-in 2-port 10/100 Base-Tx switch with LAN bypass allows the module to be wired in a daisy chain, which reduces the need for separate switches. Configuration is handled through a built-in web server, and the module supports Modbus TCP and Modbus UDP, MQTT publish and subscribe, and SNMP V2c with trap reporting.For reliable operation in industrial environments, the module offers 3000 VDC I/O isolation and EMS protection against EFT, ESD and surge. Power-on and safe output values are programmable, open wire detection is available on the 4 ~ 20 mA outputs, and dual watchdog functions are supported.ApplicationsFactory AutomationMachine AutomationBuilding AutomationRemote Diagnosis & MaintenanceTesting Equipment