Honeywell 8C-TAIMA1 Analog Input Module

Description

The Honeywell 8C-PAIMA1 is a low-level analog input module designed for temperature measurement using thermocouples and RTDs. It provides 16 fully isolated input channels, high accuracy, and robust surge protection, making it ideal for industrial process control applications.

Specifications

• Model Number: 8C-PAIMA1

• IOTA Module: 8C-TAIMA1, non-redundant, coated, 9″

• Input Type: Thermocouple and/or RTD

• Voltage Rating: 24 VDC

• Module Current Rating: 120 mA

• Input Channels: 16 fully isolated (channel-to-channel, channel-to-IOL, channel-to-power supply common)

• Input Scan Rate: 1 second fixed (up to 16 channels/sec max)

• Channel Bandwidth: 0–4.7 Hz (–3 dB)

• Nominal Input Range (TC): –20 to +100 mV

• Max Continuous Input (TC): –10 to +10 V

• Max Continuous Input (RTD): –1 to +2 V @ 100 mA

• Gain Error: 0.050% FS max (–20 to +100 mV range)

• Temperature Stability: ±20 ppm/°C (TC & RTD inputs)

• Long-Term Drift: 500 ppm

• Input Impedance: 1 MΩ at DC (TC only)

• Isolation Voltage: ±250 VDC/VAC RMS (channel-to-shield), ±33 VDC/VAC RMS (channel-to-channel)

• CMRR: ≥120 dB at 50/60 Hz (1000 Ω source impedance)

• NMRR: ≥60 dB at 50/60 Hz

• Line Frequency Integration: Fixed 50 Hz or 60 Hz

• RTD Excitation Current: 1 mA

• Cold Junction Compensation: –20 to +60 °C (±0.5 °C typical)

• TC Linearization Accuracy: ±0.05 Ω/°C

• Open TC Detection: ≤1000 Ω no-trip, ≥1500 Ω guaranteed trip

• RTD Max Lead Resistance: 15 Ω

• Surge Protection (Sensor Terminals): EN 61000-4-5 (1 kV line-to-line, 2 kV line-to-ground)

• Surge Protection (Power/Serial Link): EN 61000-4-5 (1 kV line-to-line, 2 kV line-to-ground)

Features

• High Channel Density: 16 fully isolated inputs for flexible temperature monitoring

• Versatile Input Support: Compatible with both thermocouples and RTDs

• Precision Measurement: Low gain error and high CMRR/NMRR for accurate signal capture

• Robust Isolation: Channel-to-channel and channel-to-shield isolation ensures reliable operation

• Cold Junction Compensation: Built-in compensation for thermocouple accuracy

• Open TC Detection: Guarantees reliable fault detection for sensor integrity

• Industrial Protection: Surge protection compliant with EN 61000-4-5 for harsh environments

• Coated Design: Enhanced durability and protection against industrial contaminants