Description

1. Product Title

Honeywell 51307687‑176‑ High‑Level Analog Input Motherboard

2. Product Overview

51307687‑176 is high‑level analog input motherboard for Honeywell TPS / Experion DCS racks. It performs high‑precision conditioning and digitization for 4‑20 mA and voltage analog signals from field transmitters. Works cooperatively with corresponding FTA field terminal assemblies for signal isolation and surge protection. Built‑in channel‑level fault detection for open‑circuit and abnormal input signals. Hot‑swap supported for online replacement. This legacy I/O board is key maintenance spare for many in‑service Honeywell TPS process control systems.

3. Technical Specifications

• Brand: Honeywell
• Model: 51307687‑176
• Warranty: One Year
• Condition: 100% New & Original
• Signal Type: 4‑20 mA, DC voltage high‑level analog input
• Compatibility: Honeywell TPS, Experion DCS platform
• Diagnostics: Open‑circuit and abnormal input detection
• Operating Temp: ‑25‑+60 °C
• Mounting: DCS rack slot‑mount
• Protection Class: IP20
• 

4. Application Scenarios

• Petrochemical TPS DCS Control Rack: Main AI motherboard for pressure, flow and temperature transmitter signals.
• Power‑plant Legacy DCS System: Spare analog input board for Honeywell TPS control cabinets.
• Process‑plant Equipment Turnaround: Replacement motherboard for existing 51307687‑176 hardware.