Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The ABB DI651 (model number 3BHT300026R1) is a digital input module that is designed for industrial automation systems. It acts as a crucial interface between digital field devices such as sensors, switches, and relays, and the control system. The DI651 is engineered to ensure high-performance and reliable monitoring and processing of digital signals in diverse industrial environments. With an input capacity of 16 digital inputs, it is a perfect solution for industrial processes that require efficient signal management and integration with other control systems.
This module is particularly suitable for industries where real-time data processing and reliability are crucial, such as manufacturing, energy, process control, and building management systems. It supports 24 V DC input signals, is easy to integrate into control panels, and offers DIN rail mounting for efficient installation.
The ABB DI651 module offers the following specifications:
| Parameter | Details |
|---|---|
| Model Number | 3BHT300026R1 |
| Power Supply | 24 V DC |
| Input Voltage Range | 18 V to 30 V DC |
| Number of Inputs | 16 Digital Inputs |
| Input Type | Digital (24 V DC) |
| Dimensions | 120 mm x 120 mm x 60 mm (L x W x H) |
| Weight | 0.75 kg |
| Operating Temperature | -10°C to +60°C |
| Operating Humidity | 5% to 95% RH (non-condensing) |
| Certifications | CE, UL, RoHS |
| Mounting Type | DIN Rail Mount |
The ABB DI651 module is used in several industrial applications where digital signal processing is essential for monitoring and controlling equipment. Its primary applications include:
Industrial Automation: The DI651 is used to process digital signals from field devices such as proximity sensors, limit switches, and position sensors that are part of control systems in manufacturing and automation lines.
Process Control: The module helps in monitoring the status of motors, valves, pumps, and other critical equipment in industries like chemicals, pharmaceuticals, and food processing, contributing to smooth process flow and optimized production.
Energy Management: In energy distribution systems, the DI651 processes inputs from devices like electrical meters, transformers, and circuit breakers, ensuring real-time monitoring and better control over energy usage.
Building Automation: The DI651 is integral to building management systems (BMS), where it supports the monitoring and control of HVAC systems, lighting, and security alarms, thereby improving efficiency and safety in commercial and residential buildings.
Safety Systems: This module is used in safety-critical applications such as fire alarms, emergency shutdown systems, and other industrial alarm systems, ensuring that alerts and signals are accurately captured and acted upon.
The ABB DI651 offers several key advantages, making it an excellent choice for industrial automation:
High Input Capacity: The DI651 features 16 digital inputs, enabling the simultaneous processing of multiple signals from various devices. This is especially beneficial for applications with many sensors and control points.
Compact and Lightweight: With a compact design of 120 mm x 120 mm x 60 mm and weighing just 0.75 kg, the DI651 is easy to install in control panels or automation racks without occupying excessive space.
Durability: Designed to withstand tough industrial environments, the DI651 operates within a wide temperature range of -10°C to +60°C and can function in environments with humidity levels up to 95% RH (non-condensing).
Energy Efficiency: The module operates on a 24 V DC power supply, which reduces energy consumption and helps optimize operational costs in long-term deployments.
Easy Integration: The DI651 is designed to integrate smoothly with other ABB automation components, allowing for scalability and flexibility in expanding automation systems.
Brand: ABB
Series: DI (Digital Input Modules)
Below are 5 models from the DI series or similar models that offer similar functionalities to the ABB DI651:
| Model | Power Supply | Input Voltage Range | Number of Inputs | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| DI652 | 24 V DC | 18 V to 30 V DC | 16 Digital Inputs | 120 x 120 x 60 | 0.75 |
| DI653 | 24 V DC | 18 V to 30 V DC | 8 Digital Inputs | 120 x 120 x 60 | 0.7 |
| DI654 | 24 V DC | 18 V to 30 V DC | 16 Digital Inputs | 120 x 120 x 60 | 0.75 |
| DI655 | 24 V DC | 18 V to 30 V DC | 16 Digital Inputs | 120 x 120 x 60 | 0.75 |
| DI656 | 24 V DC | 18 V to 30 V DC | 8 Digital Inputs | 120 x 120 x 60 | 0.7 |
Here are 5 other popular ABB models that are commonly used in various industrial automation applications:
| Model | Power Supply | Processor | I/O Ports | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| ACS880 | 400 V AC | Digital Signal Processor | 16 Digital Inputs, 16 Digital Outputs | 300 x 250 x 150 | 10 |
| PM800 | 24 V DC | ARM-based Processor | 12 Analog Inputs, 12 Analog Outputs | 200 x 150 x 80 | 1.5 |
| M510 | 24 V DC | Microcontroller-based | 8 Digital Inputs, 8 Digital Outputs | 180 x 140 x 60 | 0.8 |
| DCS900 | 24 V DC | ARM-based Processor | 24 Digital Inputs, 24 Digital Outputs | 220 x 180 x 90 | 2.0 |
| S800 | 400 V AC | Embedded Processor | 16 Digital Inputs, 16 Digital Outputs | 250 x 200 x 100 | 2.5 |
Q1: What is the ABB DI651 used for?
A1: The ABB DI651 is a digital input module designed to process digital signals from field devices like sensors and relays, allowing integration with industrial automation systems.
Q2: How many digital inputs does the DI651 provide?
A2: The DI651 provides 16 digital inputs, enabling simultaneous signal processing from various devices.
Q3: What voltage range does the DI651 support?
A3: The DI651 operates with an input voltage range of 18 V to 30 V DC, making it suitable for most industrial control systems.
Q4: How is the DI651 mounted?
A4: The DI651 is designed for DIN rail mounting, providing easy installation in control panels or automation racks.
Q5: What power supply is required for the DI651?
A5: The DI651 requires a 24 V DC power supply for operation.
Q6: Does the DI651 have certifications?
A6: Yes, the DI651 is CE, UL, and RoHS certified, ensuring compliance with global standards for safety and quality.
Q7: What is the weight of the DI651?
A7: The DI651 weighs approximately 0.75 kg, making it lightweight and easy to handle.
Q8: What is the operating temperature range of the DI651?
A8: The DI651 operates in an environment with temperatures ranging from -10°C to +60°C.
Q9: Can the DI651 be integrated with other ABB products?
A9: Yes, the DI651 integrates easily with other ABB automation components, allowing for scalable and flexible system designs.
Q10: What are the key advantages of using the DI651?
A10: The DI651 offers high input capacity, compact design, reliable performance, energy efficiency, and easy integration, making it an excellent choice for industrial applications requiring digital signal processing.