Processor Speed:Up to 4 MHz

Memory Capacity:256 KB NC Memory, up to 1.5 MB when extended

Input/Output Channels:Flexible I/O configurations

Communication Interfaces:Supports PROFIBUS-DP, CANopen

Power Supply:208-240 VAC, 4.2 Amps max

Operating Temperature:-25°C to +60°C

Protection Class:IP20

    The SIEMENS 6ES5946-3UA21 CPU 946/947 CENTRAL PROCESSING UNIT is engineered to seamlessly integrate into the comprehensive Siemens automation ecosystem, ensuring seamless communication and enhanced system performance.

    Featuring a modular and compact design, this CPU offers a built-in PLC function, optimizing efficiency and reducing setup time. Its built-in EMI filter ensures reliable operation in environments with varying power quality.

    With support for multiple fieldbus protocols including DeviceNet, Profibus, LonWorks, and CANopen, the CPU provides a versatile communication interface, enhancing compatibility with a wide range of industrial equipment.

    Designed with a complete protection feature, this CPU ensures robust operation under harsh industrial conditions, backed by its 256 Kbyte NC memory capacity for efficient data processing and storage.

    The inclusion of flexible extension capabilities through optional Fieldbus Modules allows for easy integration with other components in the automation system, supporting scalable and future-proofed industrial solutions.