Digital I/O module iRTUe series
analogEthernetModbus RTU

digital I/O module
digital I/O module
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Signal type
digital, analog
Ethernet, Modbus RTU, serial, Modbus/TCP
distributed, remote, network
Number of inputs/outputs
8 digital inputs, 4 digital inputs, with relay output, 4 analog inputs, 16 digital inputs, 2 analog inputs, 32 digital inputs, 8 analog inputs, 3 digital inputs
DIN rail mounted
Other characteristics


Our remote I/O expansion units communicate with Modbus TCP/RTU and IEC 61850 GOOSE, allowing to extend and distribute the acquisition and command capabilities of any master device. We offer flexible I/O board configurations to fulfill any application requirement, making the iRTUe the perfect choice to both set-up and retrofit electrical communication networks. Contemporary substation automation calls for advanced I/O modules to provide modern services such as interlocking or load shedding. These functionalities rely on state-of-the-art characteristics, which cannot be realised with serial communication media and old protocols. For this reason, the iRTUe handles IEC 61850 GOOSE messaging (with a processing time under 3ms) for newer projects but also Modbus with events buffer and timestamping for older substations/ master units. They connect via double Ethernet (RJ45, ST or SC) or serial (EXP422) port and are synchronized with IEEE 1588 (PTP) to ensure optimal time accuracy. This allows the iRTUe to communicate with any other equipment in the network: for instance RTUs, gateways, other iRTUe modules and third-party IEDs on the substation process bus. Product Highlights IEC 61850 GOOSE communication with a processing time under 3ms Flexible configuration of two I/O cards per unit with digital & analog inputs and relays Sate-of-the-art & secured technology for advanced automation functionalities like load shedding or interlocking Serial (EXP422) or double Ethernet port (copper or fiber) to connect to iRTUs/iGWs or any other third party master unit Modbus TCP via Ethernet or Modbus RTU via serial to communicate with older substation IEDs


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