Overview

The 8C-PAIMA1 is a low-level analog input module designed for measuring thermocouple (TC) and resistance temperature detector (RTD) temperature signals. It offers high accuracy, reliability, and versatility, making it suitable for a wide range of industrial applications.

Technical Specifications

• Input Voltage Rating: 24 VDC
• Module Current Rating: 120 mA
• Input Scan Rate: 1 second fixed by IOM (up to 16 channels/sec max.)
• Channel Bandwidth: 0 to 4.7 Hz (-3 dB)
• Nominal Input Range (TC only): -20 to +100 millivolts
• Maximum Normal Mode Continuous Input Non-Damaging:
  • -10 to +10 volts (TC)
  • -1 to +2 volts @ 100 milliamps (RTD)
• Gain Error: 0.050% full scale max
• Temperature Stability:
  • TC, millivolt inputs +/-20 ppm per deg C max
  • RTD inputs +/-20 ppm per deg C max
• Long Term Drift: 500 ppm
• Input Impedance: 1 megohm at dc (TC only)
• Cold Junction Compensation Range: -20 to +60 deg C (± 0.5 deg C typical)
• TC Linearization Accuracy: 1 ± 0.05 Ω / deg C
• Open Thermocouple Detection:
  • Each conversion qualified
  • ≤ 1000 Ω = guaranteed no-trip
  • ≥ 1500 Ω = guaranteed trip
• RTD Max Lead Resistance: 15 Ω
• Surge Protection: EN 61000-4-5 (for Industrial locations, 1kV line to line, 2kV line to gnd)