Model:CPU943 – 6ES5943-7UA21
Processor Type:Central Processing Unit
Technology:Modular
Application:Industrial Automation
Operating Voltage:230V AC
Current Consumption:Max. 4.2Amps
Frequency Range:0.1~600Hz
Connectivity Options:DeviceNet, Profibus, LonWorks, CANopen
Protection Features:Complete
Memory:256 KByte NC Memory (Max. Extension 1.5MB)
Programmer Ports:2
Dimensions:Compact Design
Power Supply:208;240 Volts AC
Operating Temperature:-10°C to +55°C
The Siemens CPU943 Processor Module 6ES5943-7UA21 is designed for seamless integration into your existing automation infrastructure, offering unmatched reliability and efficiency.
Featuring a modular and compact design, this processor module ensures space optimization without compromising on performance, making it an ideal choice for a wide range of industrial environments.
Equipped with built-in PLC functions and an integrated EMI filter, it ensures robust operation even in challenging electrical environments, enhancing system stability and reducing downtime.
With optional Fieldbus Modules (DeviceNet, Profibus, LonWorks, CANopen), the CPU943 Processor Module supports diverse communication protocols, facilitating seamless integration with other devices and systems.
RFI-switch for mains provides additional protection against electromagnetic interference, ensuring uninterrupted operation under varying electrical conditions.
Offering complete protection and flexible extension options, this processor module is designed to withstand harsh industrial conditions, backed by Siemens’ commitment to quality and reliability.











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