8C-PAIH54 Analog Input Module with HART - 16-Channel Differential/Voltage/Current Input

High-Performance Signal Acquisition

The 8C-PAIH54 (51307070-275) is a HART-enabled 16-channel analog input module for industrial control systems. It supports single-ended/differential voltage/current inputs with 16-bit resolution and advanced diagnostics.

Key Advantages

• HART communication for smart instrument integration
• Dual input modes (single-ended/differential)
• 16-bit precision (±0.075% accuracy)
• 50ms fast scanning for real-time control
• Hot-swappable (supports live insertion)
• Self-diagnostics for fault prevention

Technical Specifications

• Model: 8C-PAIH54 (51307070-275)
• Input Types:
  • Voltage: 0-5V, 1-5V, 0.4-2V
  • Current: 4-20mA (250Ω shunt)
• Channels: 16 (configurable per channel)
• Resolution: 16-bit A/D converter
• Accuracy:
  • ±0.075% @ 23.5°C ±2°C
  • ±0.15% @ 0-60°C
• CMRR: 70dB (DC-60Hz)
• Isolation: 30V max normal mode
• Scan Rate: 50ms per channel
• Power: 24VDC, 310mA

Robust Design Features

• Conformal coating for harsh environments
• No fuses needed – current-limiting protection
• Redundant options (8C-TAIDB1 for 12" chassis)
• -60dB crosstalk between channels

Expert FAQs

• Q: Can it power 2-wire transmitters?
  A: Yes – supports 4-20mA loop power
• Q: Is calibration required?
  A: Factory-calibrated; field verification optional
• Q: What’s the HART update rate?
  A: Configurable, typically 1-2 updates/sec
• Q: Compatible with 3-wire RTDs?
  A: No – voltage/current inputs only
• Q: Redundancy supported?
  A: Yes (requires 8C-TAIDB1 chassis)