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The ABB DI651 3BHT300026R1 is a high-density digital input module engineered for industrial automation applications within ABB control systems. This module is designed to interface binary signal devices such as switches, pushbuttons, and proximity sensors with the control system architecture, converting field-level voltage states into reliable digital data for process execution.
Operating as an integral component of the control infrastructure, the DI651 module provides robust signal acquisition capabilities across multiple independent channels. Its circuit design ensures stable voltage threshold detection and protects internal controller logic from external electrical noise or transient disturbances originating in the industrial field environment.
The unit features pluggable terminal connections for streamlined wiring and cabinet assembly, supporting efficient maintenance and replacement procedures during system lifecycle management. Its standardized form factor allows direct integration into existing automation enclosures alongside compatible I/O hardware and backplane structures.
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Exact Model | DI651 |
| Ordering Number | 3BHT300026R1 |
| Product Type | Digital Input Module |
| System Family | Advant OCS / 800xA |
| Input Channels | 32 Channels |
| Nominal Input Voltage | 24V DC |
| Signalling Voltage Off | -30 to +5V DC |
| Signalling Voltage On | 15 to 30V DC |
| Isolation | Channel-to-system electrical isolation |
| Country of Origin | Sweden |
| Net Weight | 0.4 kg |
| Dimensions | 98 mm x 100 mm x 30 mm |
| Operating Temperature | -25 Celsius to +70 Celsius |
| Interface | Function |
|---|---|
| Field Terminal Blocks | Connection points for 24V DC digital field input signals and sensor common returns |
| System Bus Connector | Backplane interface for power distribution and data communication with the controller |
| Status LED Panel | Visual indication of individual channel states and module operational health |
Global Express Shipping
Returns & Warranty



The ABB DI651 3BHT300026R1 is a high-density digital input module engineered for industrial automation applications within ABB control systems. This module is designed to interface binary signal devices such as switches, pushbuttons, and proximity sensors with the control system architecture, converting field-level voltage states into reliable digital data for process execution.
Operating as an integral component of the control infrastructure, the DI651 module provides robust signal acquisition capabilities across multiple independent channels. Its circuit design ensures stable voltage threshold detection and protects internal controller logic from external electrical noise or transient disturbances originating in the industrial field environment.
The unit features pluggable terminal connections for streamlined wiring and cabinet assembly, supporting efficient maintenance and replacement procedures during system lifecycle management. Its standardized form factor allows direct integration into existing automation enclosures alongside compatible I/O hardware and backplane structures.
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Exact Model | DI651 |
| Ordering Number | 3BHT300026R1 |
| Product Type | Digital Input Module |
| System Family | Advant OCS / 800xA |
| Input Channels | 32 Channels |
| Nominal Input Voltage | 24V DC |
| Signalling Voltage Off | -30 to +5V DC |
| Signalling Voltage On | 15 to 30V DC |
| Isolation | Channel-to-system electrical isolation |
| Country of Origin | Sweden |
| Net Weight | 0.4 kg |
| Dimensions | 98 mm x 100 mm x 30 mm |
| Operating Temperature | -25 Celsius to +70 Celsius |
| Interface | Function |
|---|---|
| Field Terminal Blocks | Connection points for 24V DC digital field input signals and sensor common returns |
| System Bus Connector | Backplane interface for power distribution and data communication with the controller |
| Status LED Panel | Visual indication of individual channel states and module operational health |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Switzerland
|