Description
Overview
The Honeywell 51403578-100 operator keyboard interface is a dedicated human–machine interaction component engineered for integration with the TDC 3000 Distributed Control System. This module allows plant operators to issue control commands, modify process parameters, and navigate system functions directly from the control workstation.
Designed for continuous industrial operation, the keyboard interface combines a compact form factor with rugged internal electronics, ensuring dependable performance in process control environments such as petrochemical plants, refineries, and power facilities.
In many system upgrades or lifecycle replacements, the 51403578-100 unit has been superseded by 51402497-200, which provides equivalent functionality for compatible operator stations.
Key Functional Characteristics
Reliable Operator Input Interface
Provides direct manual input capability for TDC 3000 operator stations, enabling command entry, system navigation, and process interaction.
Industrial Control Room Design
Constructed for long-term use in industrial control consoles where consistent operator access and reliability are essential.
Compact Panel Integration
Small physical dimensions allow easy installation within operator desks, control panels, or dedicated console interfaces.
System Compatibility
Fully designed for use with Honeywell TDC 3000 workstation environments and associated operator interface subsystems.
Lifecycle Replacement Path
Systems originally equipped with this keyboard interface may be upgraded or replaced with 51402497-200, depending on system revision.
Technical Specifications
| Parameter |
Specification |
| Manufacturer |
Honeywell |
| Model |
51403578-100 |
| Product Type |
Operator Keyboard Interface |
| System Platform |
TDC 3000 Distributed Control System |
| Electrical Interface |
USB / Operator station interface |
| Supply Voltage |
5 VDC |
| Operating Temperature |
0 °C to 50 °C |
| Storage Temperature |
−20 °C to 70 °C |
| Physical Dimensions |
15.2 × 12 × 8.2 cm |
| Weight |
0.7 kg |
| Certifications |
CE, TÜV, UL508, CSA |
| Mounting |
Control console or panel integration |
| Country of Manufacture |
United States |
| Lifecycle Status |
Legacy product (replacement available) |
Typical Application Areas
Process control operator workstations
Refinery and petrochemical plant control rooms
Chemical production automation systems
Power generation control panels
Legacy Honeywell TDC 3000 operator consoles
FAQ
What is the function of the 51403578-100 module?
It provides an operator keyboard interface used in TDC 3000 control stations for manual command input and system navigation.
Is the module still manufactured?
This model is considered part of the legacy TDC 3000 hardware range. Availability is typically limited to surplus or refurbished units.
Can it be replaced by another Honeywell module?
Yes. In many installations, the 51402497-200 serves as a functional replacement depending on system configuration.
Is the keyboard designed for harsh industrial environments?
The unit is intended for control room environments rather than field deployment, with an operating range of 0–50 °C.
