---
lang: "en"
title: "iR-ETN: Ethernet Coupler Module"
sku: "iR-ETN"
canonical_url: "https://shop.marcomweb.it/en/modbus/ir-etn-ethernet-coupler-module"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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iR-ETN: Modbus TCP/IP

The remote I/O system coupler consists of one or more network interface modules (couplers) and I/O modules.

Weintek remote I/O supports up to 1024 I/O points per node (coupler). Multiple nodes can be connected to a master (PLC, HMI, or PC).

iR-ETN supports Modbus TCP/IP protocol with 10/100 Mbps data transfer rate

## Technical Specifications

- Protocol: Modbus TCP/IP
- Data Transfer Rate: 10/100 Mbps
- Max. Number of TCP/IP connections: 8 connections
- Maximum I/O Points per coupler:
- Digital Input Point: 512
- Digital Output Point: 512
- Analog Input Channel: 64
- Analog Output Channel: 64
- Protection Structure: IP20
- Storage Temperature: 20° ~ 70°C (4° ~ 158°F)
- Operating Temperature: 0° ~ 55°C (32° ~ 131°F)
- Relative Humidity: 10% ~ 90% (non-condensing)
- Dimensions WxHxD: 27 x 109 x 81 mm
- Weight: Approx. 0.15 kg
- Mounting: 35 mm DIN rail mounting

---

Source: https://shop.marcomweb.it/en/modbus/ir-etn-ethernet-coupler-module

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.