Honeywell 51401286-100 (EPDG, Enhanced Peripheral Display Generator Card)
June 01, 2026

Honeywell 51401286-100 (EPDG, Enhanced Peripheral Display Generator Card)

Product Introduction 51401286-100 is an EPDG enhanced peripheral display generator card of Honeywell TDC 3000/TPS DCS, installed in the universal station (US)/operation station node cabinet slot. Its main function is to provide display graphic generation, peripheral driver and data buffering for the operation station, connecting display, keyboard, printer and other peripheral devices, and is the core interface component of the DCS human-machine interface (HMI).

Description

Model Explanation

51401286-100: Honeywell part number (written as 51401286100)

51401286 = EPDG (Enhanced Peripheral Display Generator) card series

100 = Standard version, Rev A hardware, basic firmware version

Component Type: EPDG (Enhanced Peripheral Display Generator) display interface card

Compatible Systems: TDC 3000, TPS (General Station US Node)

Alternative Model: No direct alternative. Special display interface card for TDC 3000 is available. Technical Specifications

Display interface: Supports CRT/LCD monitor, resolution 1024×768, refresh rate 60Hz

Peripheral interfaces: Keyboard/Mouse (PS/2), Parallel printer port, RS-232 serial port (2 channels)

Data buffering: Built-in 1MB RAM, graphics cache and I/O data buffer

Processor: 16-bit dedicated graphics processor, main frequency 10MHz

Bus interface: TDC 3000 dedicated system bus, data transfer rate 2Mbps

Power supply: 5VDC/±12VDC (power supply from the back panel), power consumption ≤ 25W

Operating temperature: 0°C ~ +60°C

Storage temperature: -40°C ~ +85°C

Humidity: 5%~95% RH (no condensation)

Size: Standard 19-inch card (6U), TDC 3000 slots

Weight: Approximately 0.75kg

Certifications: CE, UL, CSA, FM

Interface and configuration

External interfaces: DB9 (serial ports ×2), DB25 (parallel ports), PS/2 (keyboard/mouse), VGA (display)

Backplane interface: TDC 3000 cabinet gold fingers, dedicated system bus

Configuration method: Built-in DIP switches (address, termination resistor, display mode) + system software configuration

Redundancy: Supports dual EPDG redundant configuration, automatic fault switching

Compatibility: Compatible with all versions of TDC 3000/TPS, compatible with US operation station nodes Core function

Graphical display generation: Receives controller process data, generates dynamic flowcharts, trend charts, alarm screens, and drives the display to show real-time information.

Peripheral driver management: Directly drives human-computer interaction devices such as keyboards, mice, and printers, supporting input of operation instructions and report printing.

Data buffering and transmission: Caches process data and operation instructions, enabling efficient data exchange between the operation station and the controller, reducing bus load.

Display control and diagnosis: Frame refresh control, brightness adjustment, display of fault self-diagnosis, automatically reporting faults and switching redundant card assemblies when faulty.

Multi-protocol support: Compatible with TDC 3000 display protocol and peripheral communication protocols, suitable for various brand displays and printers. Applicable scenarios

System: Honeywell TDC 3000, TPS (General Station US Operation Station Node)

Equipment: US Operation Station Cabinet, Monitor, Keyboard, Mouse, Printer

Industry: Petrochemicals, Thermal Power, Metallurgy, Water Treatment, Oil and Gas Transmission, Pharmaceutical Industry

Application: Process Monitoring Screen Display, Operator Instruction Input, Production Report Printing, Alarm Information Display


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