Excellent PLC
Product Introduction
The ABB 23BE21 (1KGT004900R5012) Binary Input Board is a digital signal acquisition module designed for ABB industrial control and automation systems. The board is used to receive and process binary status signals from field devices, providing reliable input data to the control system for monitoring, logic execution, and interlocking functions.
The 23BE21 is engineered for stable operation in industrial environments where signal accuracy, noise immunity, and deterministic input behavior are critical. Its internal design ensures accurate detection of field-level signals while maintaining electrical isolation between external circuits and internal control logic.
With its compact mechanical form and standardized interface, the board can be easily integrated into ABB control cabinets and system frames, supporting both new installations and system upgrades.
Product Specifications
| Parameter | Description |
|---|---|
| Product Name | Binary Input Board |
| Model Number | 23BE21 |
| ABB Order Code | 1KGT004900R5012 |
| Input Type | Binary / Digital inputs |
| Input Function | Acquisition of field status signals |
| Number of Inputs | System-defined binary input channels |
| Input Voltage Range | Industrial control signal levels |
| Signal Detection | Reliable ON/OFF state recognition |
| Electrical Isolation | Galvanic isolation between field and logic |
| Input Filtering | Noise suppression and signal conditioning |
| Response Behavior | Deterministic and stable input response |
| Operating Mode | Continuous industrial duty |
| Mounting Method | Panel or system frame mounting |
| Dimensions (W × H × D) | 100 × 150 × 30 mm |
| Weight | 0.226 kg |
Product Applications
The ABB 23BE21 Binary Input Board is used in automation systems where reliable monitoring of field device status is essential.
Typical applications include:
-
Status monitoring of switches, limit sensors, and push buttons
-
Feedback acquisition from relays, breakers, and contactors
-
Digital signal input for interlocking and control logic
-
Power generation and electrical substation automation
-
Industrial process control in oil, gas, chemical, and manufacturing plants
-
Monitoring of alarms and safety-related signals
The board ensures accurate and repeatable detection of field states, contributing to reliable system operation and safe control logic execution.
Product Advantages
The ABB 23BE21 offers high input reliability through stable signal conditioning and effective noise filtering. This ensures accurate state detection even in electrically noisy industrial environments.
Electrical isolation protects the control system from voltage disturbances and grounding issues originating from field wiring, enhancing overall system safety and robustness.
Deterministic input behavior allows the board to be used confidently in control sequences and interlocking logic where timing consistency is important.
The compact and modular design simplifies installation and maintenance, enabling fast replacement and minimizing system downtime.
