Siemens 6DD1681-0AJ1 Converter SU12 10-pole plug-in terminal

I/O Configuration:

Digital Inputs (DI): 16 channels.

Digital Outputs (DO): 16 channels.

Input Voltage (DI):

Nominal: 24 V DC.

Range: 15–30 V DC.

Isolation:

Channel-to-Channel Isolation: Yes.

Field-to-System Isolation: 500 V AC.

Communication Interface: PROFIBUS DP.

Diagnostics:

Per-Channel LED Status: Green (OK), Red (Fault).

Module Diagnostics: Overload, short circuit, and wire-break detection.

Operating Conditions:

Temperature: -25°C to +60°C.

Humidity: 5–95% (non-condensing).

Backplane Bus: 50 mA (5 V DC).

Field Supply: Depends on load (24 V DC).

High speed Profinet communication and real-time performance: Siemens 6DD1681-0AJ1 can connect the central controller (such as S7-1500) with distributed I/O devices, support Profinet IO protocol, and communication speed can reach 1 Gbps. By optimizing the packet processing mechanism, millisecond level cycle time can be achieved to meet the requirements of high-speed motion control or high-frequency data acquisition. For example, in a packaging production line, multiple servo motors and visual inspection systems are synchronously controlled

High density I/O expansion capability: Siemens 6DD1681-0AJ1 supports a wide input voltage range, with an output power of over 500W, and integrates overload protection and short circuit diagnosis functions. Modular design allows for hot swappable replacement without the need for power outage during maintenance, significantly improving system availability.

Process control and energy management: Siemens 6DD1681-0AJ1 provides power to key instruments (such as pH sensors, flow meters, etc.) in the chemical process, and the redundant design is integrated to ensure that the load is powered continuously. Cooperate with closed-loop control algorithm to adjust the temperature and pressure of reactor in real time, reduce energy consumption and ensure safety.

Rail transit signal system: Siemens 6DD1681-0AJ1 can connect trackside signal machines on the track and onboard controllers, and can pass SIL4 safety level certification. For example, the subway system achieves redundancy communication architecture, that is, in addition to the high-precision positioning of the train in the line section, the train will also automatically warn of potential collisions with other trains of “higher accuracy” (data transmission delay < 1ms).

Intelligent Building Automation: In airport terminals,Siemens 6DD1681-0AJ1 integrates lighting, air conditioning, and security subsystems which are centrally managed via BACnet/IP protocol One terminal building, for example, now claims dynamic control of 3000+I/O points using it, with a simple energy-saving effect exceeding 20%.