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Industrial Modbus RTU 8-Ch Analog Input Module – 0-20mA Range

31-00025821
Modbus RTU Analog Input 8CH
CompanyWaveshare Part NumberModbus RTU Analog Input 8CH
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€3180
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Price
€28.62
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Modbus RTU Analog Input 8CH is an industrial standard analog acquisition module, supports multiple ranges and 8-ch simultaneous acquisition. Adopts Modbus RTU protocol with built-in protection circuits such as power isolation, magnetical isolation, resettable fuse, and TVS.

Features at a glance
  • Configurable device address (1~255), multi devices can be cascaded on RS485 bus
  • Onboard voltage regulator, supports 7~36V wide range power supply
  • Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
  • Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference
  • Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof, lightningproof & anti-electrostatic
  • Built-in fuse and anti-reverse protection, with ESD protection for analog input
  • Supports 12-bit high-precision acquisition with multiple range input modes, supports single-ended/differential input, supports voltage and current simultaneous acquisition
  • Adopts high-precision resistors and zero-drift high-precision operational amplifier for more accurate data acquisition
  • Built-in oversampling digital filtering algorithm, onboard watchdog, for stable output without crashing
  • Rail-mount case design, support stacking combination, easy to install and safer to use
  • 3x LEDs for indicating the MCU status and signal transceiving status


Version options


Technical data - Comparison table
ModelModbus RTU Analog Input 8CH
(Industrial Modbus RTU Analog Input 8-Ch - 0-20mA)
Modbus RTU Analog Input 8CH (B)
(Industrial Modbus RTU Analog Input 8-Ch - 0-10V)
GRobotronics SKU31-0002582131-00025767
Communication interfaceRS485
Baud rate4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000
Default communication format9600, N, 8, 1
Modbus protocolStandard Modbus RTU protocol
Power supplyDC 7~36V
Sampling accuracy12-bit resolution, accuracy ≤3%
Data update rate25Hz
Input modesupports single-ended/differential input, supports voltage and current simultaneous acquisition
Default mode8-ch current mode, 0~20mA8-ch voltage mode, 0~10V
Range0~5V/1~5V
0~20mA/4~20mA		0~10V/2~10V
0~20mA/4~20mA
Current Sampling Resistor249Ω499Ω







Package contents
  1. Modbus RTU Analog Input 8CH ×1
  2. Power supply terminal adapter ×1


Company
Waveshare
Part Number
Modbus RTU Analog Input 8CH
Warranty
12 Month Manufacturer Warranty
G. Weight
0.141kg
Interface
  • RS485
Mounting
  • DIN rail
Protection
  • Power supply isolation
  • Signal isolation
  • Overcurrent
  • Overvoltage
  • ESD
  • Surge/Transient
  • Reverse polarity
  • EMI/RFI filtering
Supply Method
  • Screw terminal
Supply Voltage
7–36 V
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