ABB DDI01 P37111-4-0369626 Digital Input Module

Input type: digital input (dry contact / wet contact)

Number of input points: 16 channels (support channel-level isolation)

Input voltage: 24V DC (±10%)

Input current: ≤5mA / channel

Response time: ≤5ms (typical value)

Isolation level: 500V AC (between channels and between channels and ground)

Operating temperature: -25℃ to +70℃ (industrial grade)

Storage temperature: -40℃ to +85℃

Protection level: IP20 (standard), optional IP65 (customizable)

Standard: RS-485 Modbus RTU

Optional: Ethernet TCP/IP, PROFIBUS DP (expansion module required)

Power consumption: ≤15W (typical value)

High reliability and stability
Industrial-grade design: ABB DDI01 is IP20 certified, supports wide temperature operation and anti-vibration (5g), shock (50g), and is suitable for harsh environments.

Redundancy support: Some models support dual power supply redundancy to ensure uninterrupted critical tasks.

Modularity and flexibility

Channel-level isolation: 16 channels of independent optoelectronic isolation to prevent signal interference and support mixed signal input.

Scalable architecture: ABB DDI01 connects I/O expansion modules via backplane bus and supports distributed control systems (DCS).

Communication compatibility

Multi-protocol integration: ABB DDI01 has built-in Modbus RTU, and optional protocol modules such as PROFIBUS DP and Ethernet IP can be seamlessly connected to third-party systems.

Openness: ABB DDI01 supports industrial IoT protocols such as OPC UA and MQTT, and can be connected to the ABB Ability™ digital platform.

Ease of use and economy

Plug and play: Spring-type terminal design simplifies wiring process and supports hot-swap maintenance.

Low power consumption: Typical power consumption is ≤15W, suitable for energy-sensitive scenarios.

Production line monitoring: real-time collection of sensor signals, control of robot movements or equipment start and stop.

Machining: status monitoring of CNC machine tools, with an accuracy of ±0.001mm.

Energy and Power

Substation Automation: Collect switch status and transformer oil temperature to achieve intelligent operation and maintenance and fault warning.

New Energy Grid Connection: MPPT control of photovoltaic inverters, charge and discharge management of energy storage systems, support 1500V DC high voltage environment.

Municipal and Construction

Water Treatment: Monitoring of water turbidity and flow, linkage aeration system to optimize energy consumption.

Smart Building: closed-loop control of temperature and humidity of central air conditioners, energy management of lighting systems.

Petrochemical

Refining Process: real-time monitoring of reactor pressure and liquid level, support for explosion-proof certification (ATEX/IECEx).

Pipeline Transportation: Leak detection and pump group control of long-distance pipelines, response time ≤50ms.