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Description

The Honeywell 8C-PAINA1 (51454470-175) is a 16-channel, single-ended analog input module designed for the Honeywell Experion PKS Series 8 and Experion LX control systems. This module provides reliable acquisition of 4–20 mA DC process signals from field transmitters, converting them into digital values for high-speed process control. As a key component of the Series 8 I/O architecture, it integrates directly with the I/O Termination Assembly (IOTA) to streamline installation and reduce marshalling requirements.

Features

  • 16-channel single-ended analog input capability
  • Integrated on-board excitation power for field transmitters
  • Supports optional redundancy when paired with a compatible IOTA
  • Extensive self-diagnostics for channel integrity and module health monitoring
  • Hot-swappable design for online maintenance without system shutdown
  • Conformal coated (G3-rated) for harsh industrial environments

Applications

  • Oil & Gas: Monitoring of pressure switches, gas alarms, and safety valve status.
  • Power Generation: Tracking turbine interlocks and generator trip signals.
  • Chemical Processing: Managing reactor batch states and safety interlocks.
  • Water/Wastewater: Supervising pump status and critical utility alarms.

Technical Specifications

Parameter Specification
Model 8C-PAINA1 (51454470-175)
Input Channels 16
Input Range 4-20 mA (via 250 Ohm resistor)
A/D Resolution 16 bits
Input Scan Rate 50 ms
Voltage Rating 24 VDC
Current Consumption 105 mA
Galvanic Isolation 1000 VAC RMS or +/- 1000 VDC
Operating Temperature 0 to 60 degC
Storage Temperature -40 to 85 degC
Max Input Voltage +/- 30 Volts

Installation Guidelines

  • Mount the module onto a compatible Series 8 IOTA (e.g., 8C-TAIXA1 or 8C-TAIXB1).
  • Ensure the system is powered down if required by local safety protocols, though the module supports hot-swapping.
  • Use shielded twisted pair (STP) cabling for all analog signals.
  • Route signal cables away from high-EMI/RFI sources to maintain signal integrity.
  • Verify field power selection (internal vs. external) via the IOTA configuration before applying power.
  • Handle with standard ESD precautions to prevent damage to sensitive electronic components.

FAQ

What is the 8C-PAINA1?

The Honeywell 8C-PAINA1 is a 16-channel, non-HART analog input module for the Honeywell Series 8 I/O platform, used in Experion PKS and Experion LX systems.

Does it power the field devices directly?

Yes, it provides transmitter field power through the associated I/O Termination Assembly (IOTA), eliminating the need for external marshalling power supplies.

Does the 8C-PAINA1 support HART communication?

No, this is a non-HART module. For HART-compatible analog inputs, please refer to the 8C-PAIHA1 model.

Can modules be removed or inserted while powered?

Yes, the module supports hot-swapping, allowing for maintenance and replacement without shutting down the control system.

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