Control and read digital in- and outputs.  

Ethernet I/O-Module

  • 4 Digital Inputs
  • 4 Digital Outputs
  • 4 Analog Inputs
  • 1 LAN-port 10/100 mbps
  • 1 RS485 serial port
  • HTTP, Telnet, Modbus TCP, Modbus RTU support
  • DIN-rail Mounting
  • Temperature Range: -20°C to +60°C

With the I/O-Modules of the serie IOM442 it is possible to control and read digital in and outputs. It can range from simple applications like controlling of lightning systems, garage and roller shutter systems to industrial digital measuring-, servo- and control systems. Via further A/D inputs it is possible to measure voltage and currents.

Technical Specification

IP and Network Features
TCP/IP IPv4 (IPv6 optional)
Protocols HTTP, Telnet, Modbus TCP, Modbus RTU, ICMP, ICMPv6/ARP

Ports and Connectors
Analog Inputs 4 Screw-type Terminals, 10-Bit ADC (single-ended
or 2x2 differential),
Input Range: 0 V to 24 V
Digital Inputs 4 Screw-type Terminals, isolated Opto-coupler Inputs
with configureable potential,
Input Range: 0 V to 30 V,
Thresholds: 2 (configureable)
Relais Outputs 4 Screw-type Terminals, Solid-State-Relays, max. 8 A / 36V
LAN Interfaces 1 RJ45 Ethernet, 10/100 mbps, MDI/MDI-X, Autonegotiation
Serial Ports 1 RS485
Power Supply 1 Screw-type Terminal, 9 V to 24 V DC (max. 28V), max. 0,5 W

Mechanical Data
Housing DIN-rail Housing (ABS) acc. to DIN 43880
Safety Class IP30
Mounting DIN-rail (EN 50022), Wall-mounting option
Size 70 x 58 x 82 mm (W x H x T), equals 4 SU
Environmental Conditions -20 to +60°C (Operation)
5 to 95 % (not condensing)
Weight 123g

CE EN 61000-6-2
EN 61000-6-4
EN 61000-4-2
EN 61000-4-3 + A1:2008
EN 61000-4-4
EN 61000-4-6
EN 55022 + A1:2007
RoHSEN 50581

Order Code
I/O-Module IOM442 IOM442
Wall-mount kit(Set) WALLMNTKIT


Kein Bild DIN-rail power supply
  • Input: 230 V AC
  • Output: 12 V DC / 18 W
  • Short-circuit-proof
  • Order code: PWR18W


  • Industrial PCs


In-/Output Modul IOM442 (PDF, English)