Overview
The Omron K3TX-VA21A-B2 is a compact digital panel meter belonging to Omron’s K3TX intelligent signal processor family. Designed for industrial panel mount applications, it provides accurate DC voltage measurement with a clear 4-digit display. This unit accepts a wide 100–240VAC power supply range, making it suitable for diverse control cabinet configurations and retrofit installations in manufacturing, process control, and diagnostic applications.
Key Features
- 4-digit LED/LCD digital display for clear readout of measured values
- DC voltage input measurement capability with 0-50VDC range
- Wide power supply range: 100–240VAC input
- Compact DIN panel mount format for standard control cabinet cutouts
- Intelligent signal processor functionality with configurable settings
- Robust industrial design suitable for OEM and legacy system use
Technical Specifications
Key operating parameters for system integration and installation:
- Measurement Input: DC Voltage, 0–50VDC
- Display Type: 4-digit digital display
- Power Supply: 100–240VAC, 50/60Hz
- Panel Mount Format: Standard DIN cutout compatible
- Communication Options: RS-232C, RS-422, RS-485 (model dependent)
- Output Functions: Relay, transistor, linear output available
- Sampling Period: Configurable
- Series: K3TX Intelligent Signal Processor
- Status: Discontinued by manufacturer
Typical Applications
The K3TX-VA21A-B2 is widely deployed in:
- Industrial control panel voltage monitoring and diagnostics
- Process measurement and display in manufacturing lines
- Legacy system retrofits and component replacements
- OEM equipment where compact panel-mounted meters are required
- System integrator panel builds requiring standardized voltage display
- Maintenance and troubleshooting in existing control cabinets
Compatibility & Replacements
Compatible With
- Standard industrial control systems requiring 100–240VAC powered indicators
- DIN-rail and panel-mount control cabinet setups
- Systems requiring 0–50VDC voltage measurement and display
- OEM equipment with legacy K3TX series components
Replaces / Drop-In Replacement For
The K3TX-VA21A-B2 is a specific variant within the K3TX family. For verified replacement information, consult the original equipment manual or contact Omron technical support. Similar K3TX-series models exist with different input ranges and communication options.
Works With
- Manual system configuration and parameter setting via front panel controls
- RS-232C, RS-422, RS-485 communication protocols (where supported)
- Industrial control systems using standard 100–240VAC power distribution
- Legacy Omron automation environments and archived K3TX documentation
- Verify specific communication and software compatibility with your system integrator before ordering
