Honeywell 8C-PAIH51 HART Analog Input Module - 16 Ch

Honeywell 8C-PAIH51 Analog Input with HART

Key Technical Specifications

• Brand & Model: Honeywell 8C-PAIH51 (Analog Input with HART - 16 Channels)
• Input Type: 4-20 mA current (2-wire or self-powered transmitters)
• Input Channels: 16 single-ended
• A/D Converter Resolution: 16 bits
• Input Range: 4-20 mA through 200 Ω
• Normal Mode Rejection Ratio (60 Hz): 19 dB
• Normal Mode Filter Response: Single-pole RC, -3 dB @ 6.5 Hz
• Crosstalk (dc to 60 Hz, channel-to-channel): -60 dB
• Maximum Input Voltage (no damage): ±30 Volts (any input referenced to common)
• Input Scan Rate: 50 ms
• Hardware Accuracy (@ CMV = 0 V): ±0.075% of full-scale (23.5±2°C); ±0.15% of full-scale (0 to 60°C)
• Field Power Conditioning: Individually protected current limiting circuits for Class 1, Div 2 non-incendive interfacing. No fusing required.

Frequently Asked Questions (FAQ)

• Q: Does the Honeywell 8C-PAIH51 provide loop power for 2-wire transmitters?
  A: Yes, the module supplies non-incendive field power, eliminating the need for external user power.
• Q: What is the scan rate of the 8C-PAIH51?
  A: The module scans each channel in 50 ms, delivering fast and responsive loop updates.
• Q: Is the 8C-PAIH51 suitable for hazardous area installations?
  A: Yes, it provides individually protected current limiting circuits for Class 1, Div 2 non-incendive interfacing.
• Q: What happens if I apply more than ±30 Volts to an input?
  A: Exceeding ±30 Volts referenced to common may damage the module. Always keep signals within this limit.
• Q: Does this module support HART communication?
  A: Yes, the 8C-PAIH51 supports HART-capable multivariable instruments with multiple modems.
• Q: Can I use the 8C-PAIH51 in a redundant configuration?
  A: Yes, the module supports optional redundancy for critical control applications.

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