SM 1231 AI4 x 16 Bits

HUCEEN SM 1231 AI4 x 16 Bits

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Description

General Information:

  • Model Number: SM 1231 AI4 x 16 Bits
  • Article Number: H7 231-5ND32-0XB0
  • Description: Analog input module with 4 inputs, each 16 bits wide, capable of handling voltage or current signals.
  • Conventional Norm: Not specified (typically follows industry-standard norms).
  • Dimensions:
    • Width: 45 mm
    • Height: 100 mm
    • Depth: 75 mm
  • Power Consumption: 2W
  • Current Consumption (SM bus): 80 mA
  • Current Consumption (24V DC): 65 mA

Analog Input Specifications:

  • Number of Inputs: 4
  • Input Type: Voltage or current (differential)
  • Input Range:
    • Voltage: ±10 V, ±5 V, ±2.5 V, ±1.25 V
    • Current: 0–20 mA or 4–20 mA
  • Full-Scale Range (Data Word):
    • Range: -27,648 to +27,648 (15 bits of precision, plus sign bit)

Signal Overshoot/Undershoot Range:

  • Voltage:
    • ±32,511 to -27,649 or -27,649 to -32,512
  • Current:
    • 0–20 mA: ±32,511 to -27,649 or 0 to -4,864
    • 4–20 mA: ±32,511 to -27,649 or -1 to -4,864

Overflow/Underflow (Data Word):

  • Voltage:
    • Overflow/Underflow: ±32,767 to -32,512 or -32,513 to -32,768
  • Current:
    • 0–20 mA: Overflow/Underflow: ±32,767 to -32,512 or -4,865 to -32,768
    • 4–20 mA: Overflow/Underflow: ±32,767 to -32,512 or -4,865 to -32,768

Data Format:

  • Format: 15 bits + 1 sign bit (16-bit word, where the first bit indicates the sign of the input value)

Electrical Characteristics:

  • Max. Voltage/Current Resistance:
    • Voltage: ±60V
    • Current: ±40mA
  • Smoothness (Signal Filtering):
    • None, weak, medium, or strong (for noise suppression)
  • Noise Suppression:
    • Configurable to 400 Hz, 60 Hz, 50 Hz, or 10 Hz
  • Isolation (Field Side and Logic Side): None (direct connection without isolation)
  • Working Signal Range:
    • Signal plus common mode voltage must be less than +12V and greater than -12V.
  • Precision (25°C / 0–55°C):
    • Full range: ±0.1% (typical)
    • Full range: ±0.3% (maximum)

Diagnostic Features:

  • Overflow/Underflow Detection: Supported
  • Circuit Breaker (Current Mode Only):
    • For 4–20 mA range, if the input value drops below -4,164 (1.0 mA), the circuit will be broken.

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