Operating Voltage:24 VDC
Input Current:50 mA
Output Current:10 mA
Environmental Rating:Class I, Division 2, Group E, F, G
Temperature Range:-40°C to +70°C
Relay Contacts:SPDT
Number of Channels:4
Communication Protocol:Modbus-RTU
Dimensions (WxHxD):105 x 90 x 34 mm
The Siemens 1797-OB4D Ex Source Digital Control Module is engineered for exceptional performance in challenging environments, ensuring operational safety and compliance with international standards. This module boasts a compact design that facilitates easy integration into existing systems without compromising on functionality.
It supports a wide range of communication protocols, including Profinet, enabling seamless connectivity with other Siemens devices and third-party systems. This ensures a cohesive automation landscape, enhancing operational efficiency and reducing downtime.
Featuring a robust protection class of Ex e, the module is specifically designed for use in explosive atmospheres, guaranteeing reliable operation even under extreme conditions. Its temperature tolerance from -25°C to +55°C makes it suitable for diverse industrial settings.
Each of the four digital output channels offers a load capacity of up to 2A, providing flexibility in handling various types of loads. The digital input type ensures precise control over processes, making it ideal for applications requiring high accuracy and responsiveness.
The module is part of Siemens’ commitment to innovation and quality, backed by extensive testing and certification. It adheres to the latest safety guidelines, ensuring peace of mind for users in hazardous environments. With its combination of advanced technology, reliability, and safety features, the Siemens 1797-OB4D Ex Source Digital Control Module is a premium choice for industrial control solutions.



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