DGH D7730 Ethernet MODBUS TCP/IP Digital Output Module

  • DGH

Product Features

  • Inputs and outputs to 30Vdc, 100mA maximum
  • Short circuit protection to 500mA
  • Programmable communications watchdog timer
  • Peer-to-peer mode, cloud uploading and e-mail notification features
  • Temperature range of -25°C to +70°C


  • Power Control
  • Test and Measurement
  • Non-compliant


The D7720 15-channel digital input/output module is part of the DGH’s D7000 data acquisition module family supporting RJ-45 Ethernet interface and communication via MODBUS TCP/IP protocol. This module contains 8 digital inputs which may be used for sensing contact closures and 7 open-collector transistor outputs, which may be used to control a range of devices controllable by ON/OFF signal. Each input/output is independent and can be controlled from the host computer using MODBUS RTU protocol. The D7730 module contains a programmable communications watchdog timer able to move the output signals to a known “safe” location in the event of communication failure. It also features peer-to-peer (P2P) mode, accepting signal directly from a digital input to a digital output module without the need to involve a host computer. It is also able to upload information to cloud using ThingSpeak platform, and send e-mail notifications via Gmail free e-mail service (a limit value can be set for each channel separately, triggering the notification e-mail). For extra security, this module utilises a non-volatile EEPROM (Electrically Erasable Programmable Read Only Memory) to store all user-selectable settings such as the range, meaning the values are maintained in the event of power loss. The D7730 module is compatible with any commercial software supporting Modbus TCP/IP ethernet protocol and is DIN-rail mountable (MK-1 mounting kit required). Combined with other D7000 modules, it provides the complete, customised data acquisition system for given application.

  • Combination digital module with 8 inputs and 7 outputs
  • Inputs/Outputs to 30Vdc and 100mA maximum
  • Outputs Vsat of 0.3Vdc maximum at 100mA
  • Modbus TCP/IP communication protocol
  • RJ-45 Ethernet inteface – both 10MB and 100MB
  • Programmable communications watchdog timer
  • Isolation to 500Vac, input common to system ground
  • Compatible with all commercial software programs supporting Modbus TCP/IP protocol
  • Short circuit protection to 500mA
  • Power requirements: Serial = 2.5W
  • Temperature range -25°C to +70°C
  • Mix and match with other D7000 modules to build a complete, customised data acquisition system

The applications for the D7000 data acquisition modules include:

  • Process monitoring and control
  • Remote data logging to any host computer
  • Product testing
  • Peer-To-Peer Communication


Weight 0.00000 kg
Dimensions 38.00 x 102.00 x 181.00mm
Series / Model



Power Requirements

Number of Channels

DGH D7000 Technical Library

We are pleased to provide you with a range of additional content including videos, product datasheets, case studies, white papers and application notes for your reference. Please see below for the latest content available:



DGH D7000 Series Datasheet
DGH D7000 Series User Manual

DGH D7730 Ethernet MODBUS TCP/IP Digital Output Module

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Please be advised that due to the ongoing supply issues with raw materials affecting the global electronics industry, as well as an increase in orders received by our manufacturing partners, a large number of products are facing increased lead times in recent months. For the latest lead time and stock availability, please contact one of our engineers who will be happy to discuss lead times further and the potential for alternative parts.