SM331 8AI Current-Voltage-RTD

HUCEEN SM331 8AI Current/Voltage/RTD

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Description

General Description

  • Module Type: 8-channel analog input for current/voltage/RTD signals
  • Resolution: 13 bits
  • Dimensions: 40 x 125 x 117 mm
  • Power Consumption: 1W typical
  • Backplane Bus Current: 120 mA
  • Front Connector: 40-pin
  • Operating Temperature: Not specified

Input Path

  • Channels: 8 standard input channels, supports resistive sensors, temperature measurement (RTD)
  • Input Types:
    • Voltage: ±50mV, ±500mV, 0V to 10V, ±1V, ±5V, ±10V, 1V to 5V
    • Current (4-wire): ±20mA, 0mA to 20mA, 4mA to 20mA
    • Resistor/PTC: 0Ω to 6kΩ, 0Ω to 600Ω, PTC
    • RTD Sensors: Pt100, Ni100, Ni1000, LG-Ni1000, KTY83/110, KTY84/130
    • Thermocouple: None
  • Constant Current for Resistive Sensors:
    • Resistance measurement: 0Ω to 600Ω: 0.8mA, 0Ω to 6kΩ, PTC, and silicon temperature sensor: 0.2mA

Accuracy & Error

  • Supply Voltage: ±0.3%
  • Electric Current: ±0.3%
  • Resistance Measurement: ±0.3%
  • Temperature:
    • RTD standard type: ±1K
    • RTD climatic type: ±2K

Temperature Compensation

  • Internal Compensation: None
  • External Compensation via Socket: None
  • 0°C Reference Junction Compensation: None

Diagnostics and Interrupts

  • Overrun Interrupt: None
  • Diagnosis Interrupt: None
  • Readable Diagnosis Information: None

Electrical Isolation

  • Channel-to-Channel Isolation: None
  • Channel-to-Backplane Isolation: Supported

Additional Specifications

  • Conductor Length: 200m maximum; 50m at 50mV

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