• Honeywell 8U-PAIMA1
  • Honeywell 8U-PAIMA1
  • Honeywell 8U-PAIMA1
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Honeywell 8U-PAIMA1 Series 8 Analog Input Module

Honeywell 8U-PAIMA1 Series 8 Analog Input Module

Description

The Honeywell 8U-PAIMA1 is a 16-channel low-level analog input module engineered for high-precision signal acquisition within the Honeywell Series 8 control architecture. This module is specifically designed to interface with...

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SKU: 8U-PAIMA1
Proveedora: Honeywell
tipo: Analog Input Module
Related Series:

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Description

The Honeywell 8U-PAIMA1 is a 16-channel low-level analog input module engineered for high-precision signal acquisition within the Honeywell Series 8 control architecture. This module is specifically designed to interface with thermocouples, RTDs, and millivolt signals, making it an essential component for temperature monitoring in demanding industrial sectors such as power generation, oil and gas refining, and chemical processing. The 8U-PAIMA1 features fully isolated input channels and integrated cold junction compensation, ensuring reliable performance and high measurement accuracy even in environments with significant electrical noise.

Features

  • 16 fully isolated input channels with channel-to-channel, channel-to-IOL, and channel-to-power isolation.
  • Supports a wide range of thermocouple types (J, K, E, T, B, S, R) and RTD sensors (Pt100, Ni120, Cu10, Cu50).
  • Integrated cold junction compensation for accurate thermocouple readings.
  • Selectable 50 Hz or 60 Hz line frequency integration for superior noise rejection.
  • Built-in diagnostic capabilities including open thermocouple detection and per-cycle input validation.
  • Supports under-power insertion for maintenance efficiency.
  • High common-mode rejection (120 dB) and normal-mode rejection (60 dB).

Applications

The 8U-PAIMA1 is intended for use in Honeywell Series 8 I/O systems. It is typically deployed in process control applications requiring high-density, isolated temperature measurement, including furnace monitoring, reactor temperature control, and general-purpose industrial data acquisition.

Technical Specifications

Model 8U-PAIMA1
Channels 16 (Fully Isolated)
Input Types Thermocouple, RTD, Millivolt
Scan Rate 1 second (fixed)
Input Impedance 1 Megaohm (DC)
CMRR 120 dB minimum
NMRR 60 dB minimum
Power Supply 24 VDC
Current Consumption 120 mA
Operating Temperature 0 to 60 deg C
Storage Temperature -40 to 85 deg C
Humidity 0 to 95 percent (non-condensing)

Installation Guidelines

  • Ensure the I/O carrier is powered down before inserting or removing the module to prevent electrical arcing or damage to the backplane.
  • The module is designed for mounting within the Honeywell Series 8 I/O system rack. Ensure it is firmly seated and locked into the carrier.
  • Use shielded twisted-pair cabling for all analog inputs to minimize EMI/RFI interference. Ground the shields at the designated terminal points.
  • Maintain proper ventilation in the control cabinet to ensure the ambient temperature remains within the 0 to 60 deg C operating range.
  • Handle with standard ESD precautions to protect sensitive internal circuitry.

FAQ

What types of RTDs does the 8U-PAIMA1 support?

The module supports Pt100 (DIN 4376 and JIS C 1604), Ni120 ohm, Cu10 ohm, and Cu50 ohm sensors.

Does this module require external power?

The module operates on a 24 VDC supply provided through the Series 8 I/O carrier backplane.

Is this module coated for harsh environments?

No, this specific model (8U-PAIMA1) is provided as an uncoated version.