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Modbus RTU Based Data Acquisition Module With 6 Analog Inputs, Current Input (±150mV, ±500mV, ±1V, ±5V, ±10V, ±20mA, 0-20mA, 4-20mA), 2 Analog Outputs, 3 Digital Inputs (with Counter) and 3 Digital Outputs.  Supports Operating Temp Between -25°C  ~ +75°C (-13°F ~ +167°F).


Modbus RTU Based Data Acquisition Module With 6 Analog Inputs, Current Input (±150mV, ±500mV, ±1V, ±5V, ±10V, ±20mA, 0-20mA, 4-20mA), 2 Analog Outputs, 3 Digital Inputs (with Counter) and 3 Digital Outputs. Supports Operating Temp Between -25°C ~ +75°C (-13°F ~ +167°F).

  Price:  $529.00  

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m-7026 application

The M-7026 is a Modbus RTU based multifunction module  with 6 analog inputs, 2 analog outputs, 3 digital inputs, and 3 digital outputs . It provides a programmable input range on all analog inputs (+/-150 mV, +/-500 mV, +/-1 V, +/-5 V, +/-10 V, +/-20 mA or 0 ~ +20 mA).  The analog outputs are 12-bit at +/-5 V, +/-10 V, 0 ~ +20 mA or +4 ~ +20 mA.  All digital outputs can be set as alarm outputs. Each analog input can be configured for an individual range and provides a high overvoltage protection of 240 Vrms. Voltage and current inputs/outputs are jumper selectable.

  • Multifunction (6 AI, 2 AO, 3 DI and 3 DO)
  • Supports Fast Mode and Normal Mode
  • Individual Channel Configuration
  • Open Wire Detection for Current Output
  • Overload and Short Circuit Protection for Digital Output
  • Configurable Power-on Value Settings
  • Configurable Safe Value Settings
  • Supports Modbus RTU Protocol
  • 240 Vrms Overvoltage Protection for Voltage Input
  • Jumper Selectable Voltage or Current Input/Output
  • Dual Watchdog
  • ±4 kV Contact ESD Protection
  • Wide Operating Temperature Range: -25 ~ +75°C



  • Industrial Automation
  • Building Automation
  • Food and Beverage Systems
  • Semiconductor Fabrication
  • Control Systems
  • Industrial Machinery


Analog Input
Channels 6
Wiring Differential
Range ±150 mV, ±500 mV, ±1 V, ±5 V, ±10 V
±20 mA , 0 ~ 20 mA, 4 ~ 20 mA(Jumper Selectable)
Resolution 16-bit
Accuracy Normal Mode ±0.1% of FSR
Fast Mode ±0.5% or better
Sampling Rate Normal Mode 10 Samples/Sec.
Fast Mode 60 Samples/Sec. (Total)
Bandwidth Normal Mode 15.7 Hz
Fast Mode 78.7 Hz
Input Impedance Voltage 2 MΩ
Current 140 Ω
Common Voltage Protection ±200 V 
Individual Channel Configuration Yes
Overvoltage Protection 240 Vrms
Overcurrent Protection Yes, 50 mA at 110 VDC
Virtual Channel to Channel Isolation Yes,400 VDC
Open Wire Detection for 4 ~ 20 mA Yes
Analog Output
Channels 2
Range +0 ~ +5 VDC, +0 ~ +10 VDC, ±5 VDC, ±10 VDC,
+0 ~ +20 mA, +4 ~ +20 mA (Jumper Selectable)
Resolution 12-bit
Accuracy ±0.1% of FSR
Output Capacity
Voltage Output Capability
10 V @ 20 mA
Open Wire Detection Yes, for 4 ~ 20 mA only
Power-on Value Yes, Programmable
Safe Value Yes, Programmable
Digital Input/Counter
Channels 3
Type Dry Contact Source
Wet Contact -
Wet Contact On Voltage Level -
Off Voltage Level -
Dry Contact On Voltage Level Close to GND
Off Voltage Level Open
Counters Max. Count 65535 (16-bit)
Max. Input Frequency 100 Hz
Min. Pulse Width 5 ms
Input Impedance -
Channel-to-Channel Isolation -
Overvoltage Protection -
Safe Value Yes, Programmable
Digital Output
Output Channels 3
Type Open Collector
Sink/Source (NPN/PNP) Sink
Load Voltage + 3.5 VDC ~ + 50 VDC
Max. Load Current 700 mA/Channel
Overvoltage Protection 60 VDC
Overload Protection Yes
Short-circuit Protection Yes
Power-on Value Yes, Programmable
Safe Value Yes, Programmable



Interface RS-485
RS-485 Bias Resistor No (An RS-485 master is required to provide the bias.)
Format N, 8, 1
Baud Rate 1200 ~ 115200 bps
Protocol Modbus RTU, DCON
Dual Watchdog Yes, Module (1.6 Seconds), Communication (Programmable)
LED Indicators/Display
System LED Indicator Yes, 1 LED as Power/Communication Indicator
I/O LED Indicators -
7-Segment LED Display - 
Intra-module Isolation,
2500 VDC
EMS Protection
ESD (IEC 61000-4-2) ±4 kV Contact for each Terminal
±8 kV Air for random point
EFT (IEC 61000-4-4) ±4 kV for Power Line
Surge (IEC 61000-4-5) ±3 kV for Power Line
Reverse Polarity Protection Yes
Input Range 10 ~ 30 VDC
Consumption 1.8 W
Dimensions (W x L x H) 72 mm x 123 mm x 35 mm

References and Support

Customer Reviews (1)

November 30, -0001
Rex L.

We've been using this unit for years and they worked great in our application! ICP DAS never disappoints us.

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