Honeywell 8C-PAINA1 Digital Input/Output Module

Description

The Honeywell 8C‑PAINA1 is a 16‑channel analog input module for Series 8 systems, designed for current‑loop transmitters without HART. It provides high‑accuracy signal acquisition, fast scan performance, and robust isolation for demanding industrial applications.

Specifications

• Module Type: 8C‑PAINA1 Analog Input (16 channels), coated

• IOTA Compatibility: 8C‑TAIXA1 (Non‑Redundant, 6”), 8C‑TAIXB1 (Redundant, 12”)

• Input Type: Current input (2‑wire or self‑powered transmitters)

• Input Channels: 16 channels, single‑ended

• A/D Resolution: 16 bits

• Input Range: 4–20 mA through 250 Ω

• Voltage Rating: 24 VDC

• Module Current Rating: 105 mA

• Common Mode Rejection (dc–60 Hz): 70 dB (500 Ω imbalance)

• Normal Mode Rejection (60 Hz): 19 dB

• Normal Mode Filter: Single‑pole RC, −3 dB @ 6.5 Hz

• Maximum Normal Mode Input: ±30 V

• Crosstalk (dc–60 Hz): −60 dB

• Maximum Input Voltage (no damage): ±30 V referenced to common

• Input Scan Rate: 50 ms

• Hardware Accuracy (CMV = 0 V):

  • ±0.075% of full scale (23.5°C ± 2°C)

  • ±0.15% of full scale (0–60°C)

• Galvanic Isolation: 1000 VAC RMS or ±1000 VDC

• Isolation Technique: iCoupler (in IOM)

• Hot‑Swap Capability: Module removal/insertion under power supported

• Field Power Conditioning: Individually protected current‑limiting circuits; no fuse required

Features

• High‑Accuracy Measurement: 16‑bit resolution with low drift and stable performance across temperature

• Robust Isolation: 1000 VAC galvanic isolation ensures safe operation and noise immunity

• Flexible Installation: Supports redundant and non‑redundant IOTA configurations

• Fast Response: 50 ms scan rate for real‑time process monitoring

• Wide Input Protection: ±30 V tolerance prevents damage from wiring faults

• Low Crosstalk: −60 dB channel‑to‑channel isolation for clean signal acquisition

• Hot‑Swappable: Allows module replacement without shutting down the system

• Maintenance‑Free Power Conditioning: Built‑in current limiting eliminates external fuses