HONEYWELL 8C-TAIXA1 51307127-175 Analog Input Module

Function

The 8C-TAIXA1 serves as the termination assembly for analog input modules, supporting current inputs from field transmitters and sensing devices. It is compatible with single-ended configurations.

Description

• Type: Analog Input I/O Termination Assembly (IOTA).
• Configuration: Non-redundant.
• Coating: Conformal coated for enhanced environmental protection.
• Size: 6 inches (152 mm).

Notable Features

1. Extensive Self-Diagnostics: Ensures reliable performance and quick troubleshooting.
2. Fast Loop Scan: Enables quick updates for real-time data.
3. Field Power Selection: Supports internal or external power for flexibility.
4. On-Board Excitation Power: Eliminates the need for additional marshalling power.
5. Galvanic Isolation: Protects the system from electrical faults.
6. Module Removal Under Power: Facilitates maintenance without shutting down the system.

Specifications

Compatibility

• Supported Input Modules:
  • 8C-PAINA1: Analog Input, Single-Ended, Coated.
  • 8U-PAINA1: Analog Input, Single-Ended, Uncoated.

Electrical Specifications

• Input Type: Current (2-wire or self-powered transmitters).
• Input Channels: 16 single-ended channels.
• Voltage Rating: 24 VDC.
• Module Current Rating: 105 mA.

Performance

• A/D Converter Resolution: 16 bits.
• Input Range: 4-20 mA (via 250 Ω resistor).
• Normal Mode Rejection Ratio (at 60 Hz): 19 dB.
• Normal Mode Filter Response: Single-pole RC, -3 dB @ 6.5 Hz.
• Crosstalk (Channel-to-Channel): -60 dB (dc to 60 Hz).
• Maximum Input Voltage: ±30 V (no damage).
• Input Scan Rate: 50 ms.
• Accuracy:
  • ±0.075% of full-scale at 23.5°C ± 2°C.
  • ±0.15% of full-scale from 0 to 60°C.

Isolation

• Type: Galvanic isolation.
• Rating: 1000 VAC RMS or ±1000 VDC.
• Technique: Icoupler in the IOM.

Environmental Specifications

• Operating Temperature: 0 to 60°C.
• Storage Temperature: -40 to 85°C.

Certifications

• Hazardous Location Approvals:
  • Class I, Division 2, Group A, B, C, D; T4.
  • Class I, Zone 2, AEx/Ex nA II C T4.

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