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SIEMENS 6ES5943-7UA21 CPU 943 – Central Processing Unit for S5-115U

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The SIEMENS 6ES5943-7UA21 is a central processing unit designed for the S5-115U Programmable Logic Controller (PLC), featuring two programmer ports for enhanced functionality and ease of use.

Processor Type:S5

Operating Frequency Range:0.1~600Hz

Modular & Compact Design:Yes

Built-in PLC Function:Yes

Built-in EMI Filter:Yes (230V 1 phase / 460V 3 phase)

Optional Fieldbus Modules:[“DeviceNet”,”Profibus”,”LonWorks”,”CANopen”]

RFI-Switch for Mains:Available

Easy DC BUS Sharing:Yes

Flexible Extension:Supports

Complete Protection:Yes

Nominal Input Voltage:208;240 Volts AC

Max. Current (CT):4.2 Amps

Max. Frequency:600 Hertz

    Integrating advanced microprocessor technology, the SIEMENS 6ES5943-7UA21 CPU 943 is specifically designed for applications requiring high-speed processing and reliability in industrial settings.

    With its 256 Kbyte NC memory and support for PROFIBUS-DP communication protocol, this CPU ensures efficient data processing and easy integration with other Siemens and third-party systems.

    Equipped with an internal EMI filter and flexible fieldbus module options, it offers enhanced immunity against electrical noise and supports a wide range of communication standards, ensuring stable operation under various environmental conditions.

    Featuring complete protection mechanisms, the CPU safeguards against common industrial hazards, guaranteeing reliable performance even in harsh environments.

    The CPU’s compact design facilitates easy installation and integration into existing control systems, reducing setup time and costs. Its built-in PLC function streamlines programming and reduces the need for additional hardware.

SIEMENS 6ES5943-7UA21 CPU 943




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      Chengdu Sunshine Xihe Electric Co., Ltd. is an industrial automation equipment supply platform, specializing in providing various modules, cards, controllers, CPU control boards, touch screens, servo drives and other industrial equipment parts. The main brands include world-renowned brands ABB, A-B, GE, ICS TRIPLEX, EMERSONWOODWARDTriconex,SCHNEIDERHONEYWELL, BENTLY, FOXBORO, HIMA and other industrial control brands

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      Contact information is as follows:

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