Huceen

General Information:

• Model Number: SM1231 AI8 x 16 Bits RTD
• Article Number: H7 231-5PF32-0XB0
• Description: Analog input module with 8 channels for RTD (Resistance Temperature Detector) and resistance measurements.

Physical Dimensions:

• Dimensions: 70 mm (Width) x 100 mm (Height) x 75 mm (Depth)

Electrical Power Requirements:

• Power Consumption: 1.5W
• Current Consumption (SM Bus): 90mA
• Current Consumption (24V DC): 40mA

Analog Input Features:

• Number of Inputs: 8 channels
• Input Type: RTD and Resistance
  • Supported RTD types:
    • Platinum (Pt)
    • Copper (Cu)
    • Nickel (Ni)
    • LG-Ni (Low-Grade Nickel)
• Measurement Types:
  • Temperature: 0.1°C / 0.1°F
  • Resistance: 15-bit resolution + signal bits

Voltage and Resistance Characteristics:

• Max. Voltage Resistance: ±60V
• Isolation: 500V AC

Noise and Signal Quality:

• Noise Suppression: 85 dB for 10 Hz, 50 Hz, 60 Hz, and 400 Hz
• Channel-to-Channel Isolation: None
• Common-Mode Rejection Ratio (CMRR): > 120 dB

Accuracy and Performance:

• Repeatability: ±0.05 % FS (Full Scale)
• Cold End Temperature Error: Not specified
• Cable Resistance:
  • 20 Ω for 2-wire RTD
  • 2.7 Ω for 10 pcs Ω RTD

Diagnostics and Safety:

• Overflow/Underflow Diagnosis: Supported
• Circuit Breaker: Supported