Product Description
Honeywell 51301874-100 Thermocouple Multiplexer Board
- Manufacturer: Honeywell
- Series: TDC 2000 / Process Manager (PM)
- Model/Part Number: 51301874-100
- Description: Thermocouple Multiplexer Board for interfacing thermocouple inputs with data acquisition systems
Overview
The Honeywell 51301874-100 is a Thermocouple Multiplexer (Mux) Board designed for use in Honeywell’s TDC 2000 and Process Manager (PM) Distributed Control Systems (DCS). It interfaces up to 16 thermocouple inputs with the Low Energy Process Interface Unit (LEPIU) CCFA, enabling precise temperature measurement for industrial applications such as oil and gas, petrochemical, and power generation facilities. The board supports multiple thermocouple types for flexible and accurate data acquisition.
Technical Specifications
| Specification | Details |
|---|---|
| Model | 51301874-100 |
| Series | TDC 2000 / Process Manager (PM) |
| Type | Thermocouple Multiplexer Board |
| Function | Multiplexes up to 16 thermocouple inputs to LEPIU CCFA for temperature measurement |
| Thermocouple Types | J, K, T, S, E, R (linearized by LEPIU CCFA) |
| Input Channels | 16 thermocouple inputs |
| Termination | Requires 51301880-100 LE Terminal Board for screw terminal connections |
| Cold Junction Reference (CJR) | Provided by 51301880-100 LE Terminal Board |
| Connectors | Interfaces with LEPIU via proprietary Honeywell connector |
| Compatibility | Honeywell TDC 2000, Process Manager (PM), Advanced Process Manager (APM) systems |
| Mounting | Plugs into TDC 2000/PM I/O rack |
| Power Supply | 5 VDC (supplied by system rack) |
| Power Consumption | Approx. 1–2 W |
| Operating Temperature | 0°C to +60°C (32°F to +140°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Relative Humidity | 5% to 95% (non-condensing) |
| Dimensions | Approx. 150 mm x 100 mm x 30 mm (5.9 x 3.9 x 1.2 in) |
| Weight | Approx. 0.3 kg (0.66 lbs) |
| Certifications | CE, UL, CSA (application-dependent) |
| Manual | TDC 2000 or Process Manager System Manual |