SIMATIC S7-300 SM 331, AI 8x13 bit

ZAR 19,354.50 ZAR 16,830.00
In stock
SKU
6ES7331-1KF02-0AB0

Description:

  • The SM 331 module is an 8-channel analog input unit designed for the S7-300 automation system, enabling precise measurement of voltage, current, resistance, and temperature signals.
  • It’s commonly used in industrial environments for monitoring process variables like temperature, pressure, and flow, especially where RTDs or analog sensors are deployed.

Specifications:

  • Channels: 8 isolated analog inputs.
  • Resolution: 13 bits.
  • Conversion Time: ~66 ms per channel.
  • Input Voltage Range: ±10 V, ±5 V, ±1 V, 0–10 V, 1–5 V.
  • Input Current Range: 0–20 mA, 4–20 mA.
  • RTD Support: Pt100, Ni100, Ni1000, LG-Ni1000.
  • Resistance Range: 0–600 Ω and 0–6 kΩ.
  • Input Protection: 30 V (voltage), 40 mA (current).
  • Isolation: Yes (channel-to-backplane).
  • Diagnostics: No onboard diagnostics or alarms.
  • Power Loss: ~0.4 W.
  • Bus Current Draw: 90 mA @ 5 V DC.
  • Dimensions (W×H×D): 40 × 125 × 117 mm.
  • Connector: 40-pin front connector.
  • Weight: ~250 g.
  • Measurement Accuracy:
  • Voltage:
    • Typical Error @ 25 °C: ±0.3–0.4%.
    • Max Error (Full Temp Range): ±0.5–0.6%
  • Current:
    • Typical Error @ 25 °C: ±0.3%.
    • Max Error (Full Temp Range): ±0.5%.
  • Resistance:
    • Typical Error @ 25 °C: ±0.3%.
    • Max Error (Full Temp Range): ±0.5%.
  • RTD (e.g. Pt100):
    • Typical Error @ 25 °C: ±0.8–1.2 K.
    • Max Error (Full Temp Range): ±1–1.2 K.
More Information
SKU 6ES7331-1KF02-0AB0
Brand Siemens
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