• Siemens 6ES5944-7UA11
  • Siemens 6ES5944-7UA11
  • Siemens 6ES5944-7UA11
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Siemens 6ES5944-7UA11 Simatic S5 CPU 944 Central Processing Unit

Siemens 6ES5944-7UA11 Simatic S5 CPU 944 Central Processing Unit

Description

The 6ES5944-7UA11 central processing unit serves as the primary computing engine for the Siemens Simatic S5-115U programmable logic controller platform. This module is engineered to execute complex logical commands, sequential...

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Availability: Low stock: 5 left

SKU: 6ES5944-7UA11
Vendor: Siemens
Category: PLC CPU Module
Related Series:

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Description

The 6ES5944-7UA11 central processing unit serves as the primary computing engine for the Siemens Simatic S5-115U programmable logic controller platform. This module is engineered to execute complex logical commands, sequential controls, and arithmetic operations, providing the necessary processing power for high-density digital and analog I/O loops in demanding industrial environments such as power plants, refineries, and mining facilities. By maintaining stable backplane communication and efficient memory management, this CPU helps prevent production downtime associated with processing bottlenecks or memory faults.

Features

  • Integrated 96 KB RAM for secure storage of user program blocks and system data.
  • Dedicated programmer interface port for direct connection to PG series terminals.
  • Optimized for fast bit-processing times and efficient handling of nested interrupts.
  • Robust internal bus architecture designed for cyclical program scanning.
  • Reliable operation within the S5-115U rack chassis system.

Applications

The 6ES5944-7UA11 is widely deployed in legacy factory automation systems requiring high-reliability control. It is suitable for process control, machine automation, and safety-critical monitoring loops where S5-115U hardware is currently installed.

Technical Specifications

Model 6ES5944-7UA11
Brand Siemens
Series Simatic S5-115U
Memory 96 KB RAM
Interface 1 x Programmer Port
Power Consumption 4.5 W
Operating Temperature 0 to 60 deg C

Installation Guidelines

  • Ensure the rack is powered down before inserting or removing the CPU module to prevent electrical damage.
  • Slide the module carefully into the designated master slot of the S5-115U chassis, ensuring proper alignment with the backplane connectors.
  • Use ESD-safe handling practices when touching the module to prevent damage to internal components.
  • Verify that the programmer interface cable is securely seated before initiating online diagnostics or program transfers.
  • Maintain adequate ventilation around the rack to ensure operating temperatures remain within the 0 to 60 deg C range.

FAQ

Is this module compatible with the 6ES5944-7UB11?

Yes, the 6ES5944-7UA11 is often utilized as a direct replacement or functional equivalent to the 6ES5944-7UB11 within the S5-115U platform.

What type of programming terminal is required for this CPU?

This unit features a standard programmer interface port compatible with Siemens PG series programming terminals used for S5 systems.