Simex SIAi-8P 8 Analog In 4-20mA Modbus RTU module

Simex SIAi-8P 8 Analog In 4-20mA Modbus RTU module

SKU: SID-005

Simex SIAi-8 allows to measure analog values from 8 current 0-20mA/4-20mA inputs via the Modbus RTU RS-485 connection.

  • Manufacturer: Simex
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  • $195.01
In stock(1 item available)

Module SIAi-8 allows to measure analog values from 8 current (or voltage) inputs via the RS-485 connection, with speed rate about 10 Hz (every channel). Measurement results can be internally recalculated due to one of available characteristics: linear, square or user definable multipoint (max. 20 points length). It finds application in distributed control and visualization systems.


  • 8 independent Analog inputs 4-20mA
  • RS-485 / Modbus RTU
  • LED indicators for communication and status.


  • Inputs: SIAi-8P: 8 x current 0-20 mA; 4-20 mA
  • Power supply: typ. 24V DC (16V DC to 30V DC)
  • Current consumption: typ. 20 mA
  • Measurement accuracy: ± 0.25% ± one digit
  • Protection class: IP 20 (housing and connection clips)
  • Operating temperature: 0°C to +50°C (standard), -20°C to +50°C (option)
  • Communication interface: RS-485 / Modbus RTU
  • Breakdown voltage: all 8 inputs are galvanically isolated from module supply and RS-485 interface
  • Humidity: max. 90%, non-condensing
  • Communication interface: RS-485 / Modbus RTU
  • Data memory: non-volatile memory, EEPROM type
  • Storage temperature: -10°C to +70°C or -20°C to +70°C (with option 08)
  • Case dimensions: 101 x 22,5 x 80 mm
  • Mounting: on the 35 mm strip
  • External fuse: T - type, max. 1 A (required)
  • Number of modules in 1 network max.: 128
  • Transmission parameters: 1200 to 115200 bit/s.
  • Manufacturer PartNo. SIAi-8P
    • SKU
    • Weight
      0.15 kg
    • Dimensions (L x W x H)
      10 x 8 x 10 cm

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