DGH D7400 Analog Voltage, Current and Thermocouple Ethernet Input Module

DGH D7400 Analog Voltage, Current and Thermocouple Ethernet Input Module

The D7400 7-channel voltage, current and thermocouple input 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 seven user-programmable inputs; each can be assigned to a different input type (voltage, current or thermocouple). The specification is identical to that of input-type specific modules D7100 (voltage), D7200 (current) and D7300 (thermocouple). The module continuously converts the data at the rate of up to 25/20 conversions per second, storing the latest result in the buffer. The D7400 modules communicates in MODBUS TCP/IP Ethernet communication protocol; the data can therefore be retrieved by sending a MODBUS query to the module from the host computer. The D7400 module can be directly connected to a wide range of sensors and annunciators, and provides all signal conditioning and linearisation, while containing no pots or DIP switches. The D7400 series of modules also features peer-to-peer (P2P) mode, allowing sending signal from analog input to analog output module, or digital input to digital output module without the need to involve a host computer. They are 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, it 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 D7400 module is compatible with any commercial software supporting Modbus RTU protocol and is DIN-rail mountable (MK-1 mounting kit required). Combined with other D7000 series modules, a complete, customised data acquisition system can be built easily.

  • 7-channel differential analog voltage, current and thermocouple input module - each channel can be assigned to a different input type
  • Specification equivalent to input-specific modules D7100, D7200 and D7300
  • Choice of 6 different voltage ranges: ±25mV, ±50mV, ±100mV, ±1V, ±5V and ±10V
  • Current input range: 4-20mA
  • Choice of 8 different thermocouple types: J, K, T, E, R, S, B and C (see Specification tab for temperature ranges)
  • Modbus TCP/IP communication protocol
  • RJ-45 Ethernet inteface - both 10MB and 100MB
  • User-selectable features include analog input range per channel, baud rate, device address, filtering constants and others
  • 16-bit ADC, 25/20 conversions per second
  • Compatible with all commercial software programs supporting Modbus TCP/IP protocol
  • Power requirements: Serial = 1.4W
  • Operating temperature -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
  • Data logging to any host computer
  • Product testing

Specifications
Additional Features
  • 16-bit ADC, 25/20 conversions per second
  • Specification equivalent to input-specific modules D7100, D7200 and D7300
  • Peer-to-peer mode, cloud uploading and e-mail notification features
  • Operating temperature of -25°C to +70°C
Input/Output Analog voltage, current or thermocouple inputs
Number of channels 7 channels
Power requirements Serial 1.4W
Ranges
Voltage ranges:
  • ±25mV
  • ±50mV
  • ±100mV
  • ±1V
  • ±5V
  • ±10V
Current ranges:
  • 4-20mA
Thermocouple ranges:
  • J = -200°C to 760°C
  • K = -150°C to 1250°C
  • T = -200°C to 400°C
  • E = -100°C to 1000°C
  • R = 0°C to 1750°C
  • S = 0°C to 1750°C
  • B = 0°C to 1820°C
  • C = 0°C to 2315°C

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:

 

 

DOCUMENTATION
PDF Document DGH D7000 Series Datasheet
PDF Document DGH D7000 Series User Manual

This product is available fully compliant to the RoHS EU directive 2002/95/EC.

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  • Product Code: DGH D7400 Analog Voltage, Current and TC Input USB Module
  • SKU: DGH D7400 Analog Voltage, Current and TC Input USB Module
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Tags: D7400, D 7400