SM331 8AI Full Function Type

HUCEEN SM331 8AI Full Function Type

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Description

General Information:

  • Model Number: SM331 8AI Full Function Type
  • Article Number: H7 331-7KF02-0AB0
  • Description: 8-channel analog input module for temperature measurement, current input with overcurrent protection, and 14-bit resolution.

Physical Dimensions:

  • Dimensions: 40 x 125 x 117 mm
  • Power Consumption: 1W (typical)
  • Backplane Bus Current: 30mA
  • Supply Voltage: DC 24V
  • Front Connector: 20-pin

Input Path:

  • Standard Input Path Channels: 8
  • Resistive Sensor Channels: 4
  • Constant Current for Resistive Sensors:
    • Resistance Thermometer and Resistance Measurement: 0Ω to 600Ω, 0.8mA
    • Resistance Measurement: 0 to 6 kΩ, PTC, and silicon temperature sensors (None)

Input Types and Ranges:

  • Supply Voltage:
    • ±80mV, ±250mV, ±500mV, ±1V, ±2.5V, ±5V, 1-5V, ±10V
  • Current (4-wire):
    • ±3.2mA, ±10mA, ±20mA, 0mA to 20mA, 4mA to 20mA
  • Current (2-wire): 4mA to 20mA
  • Resistor/PTC: 150Ω, 300Ω, 600Ω
  • RTD: Pt100, Ni100
  • Thermocouple: Type E, N, J, K, L

Basic Error Limitations (at 25°C):

  • Supply Voltage: ±0.6%
  • Electric Current: ±0.5%
  • Resistance: ±0.5%
  • Temperature:
    • Pt100/Ni100: ±0.5%
    • Thermocouple: ±0.7%

Temperature Compensation:

  • Internal Temperature Compensation: Supported
  • External Temperature Compensation via Compensation Socket: Not Supported
  • Temperature Compensation for 0°C Reference Junction: Supported

Interrupt/Diagnosis/Status Information:

  • Overrun Interrupt: Channels 0 and 2
  • Diagnosis Interrupt: Programmable
  • Readable Diagnosis Information: Supported

Resolution:

  • Resolution: 13 bits + symbol bits

Electrical Isolation:

  • Between Channels: None
  • Between Channels and Backplane Bus: Supported

Conductor Length:

  • Maximum Length: 200m
  • Length at 80mV with Thermocouple: 50m

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