A-1851 Ethernet Modbus TCP -16 Digital Inputs

A-1851 Ethernet Modbus TCP -16 Digital Inputs
A-1851 Ethernet Modbus TCP -16 Digital InputsA-1851 Ethernet Modbus TCP -16 Digital InputsA-1851 Ethernet Modbus TCP -16 Digital Inputs
Our Price:  £97.00(£116.40 Inc. VAT)
Add Mini USB Cable 2m:  

Digital Inputs:  16



14 in stock, immediate despatch

The  A-1851 Remote Modbus TCP module accepts 16 digital or contact digital inputs. It uses optical isolators to prevent ground loop effects and limits damages from power surges. The  A-1851 has a Ethernet port supporting Modbus/TCP communications and has a simple web-server. A USB comm port is also available for Modbus communications and configuration.

Special Offer:  Discounts of 7%, 10%, 12.5% and 15% are available when you order 10, 25, 50 and 100 items or more of this product.

  • 16 Isolated Digital Inputs
    • Status Low:<1VDC

    • Status High:>5~30VDC

  • Interface: ETHERNET + USB
  • Protocol - Modbus/TCP
  • Operating Temperature: - 20 to 75º C
  • Power: 10 to 30VDC, 24VAC
  • Panel or DIN Rail mount - stackable for high density applications
  • Dimensions - 72mm x 118mm x 39mm
Included Software

The unit is configured using the free Utility Software. This can be used to set the units' IP address and to set the input ranges and monitor inputs.


Optional Software


DAQFactory is a low cost data acquisition and control software for SCADA, Factory Automation, HMI and Test and Measurement applications. DAQFactory provides all the tools needed to acquire data, log it, share it on a network, display it on the screen, graph it, analyse it, and automate your project. DAQFactory can communicate with just about any serial or Ethernet device using Modbus RTU, ASCII or Modbus/ TCP. It also supports a wide variety of DAQ devices including LabJack USB devices and many other DAQ cards.

More Information >>



User Manual >>

Quick Start Guide >>

Utility Software >>

USB Driver >>

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