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Siemens SIMATIC S5-115U CPU 945 Central Processor 6ES5945-7UA23
Manufacturer: Siemens
Condition: Brand New
Lead Time: In Stock
Origin: Germany
Warranty: 12 Months
Email: [email protected]
whatsApp: +86-18150117685
- Overview
- Product Overview
- Key Functions
- Official Specifications
- Frequently Asked Questions
- Compatibility & Ordering Notes
- Hot Selling Models
- Recommended Products
Overview
Siemens • SIMATIC S5-115U
6ES5945-7UA23 SIMATIC S5-115U CPU 945 Central Processor
The CPU 945 is the central processor for a SIMATIC S5-115U controller and provides 384 KB of memory for the installed STEP 5 application.
At a Glance
| Brand | Siemens |
|---|---|
| Model | 6ES5945-7UA23 |
| Product Type | Central processing unit for a programmable controller |
| Core Function | Executes STEP 5 control programs in an S5-115U automation system |
| Application or Compatible Series | Legacy SIMATIC S5-115U programmable-controller racks requiring CPU 945 and 384 KB memory |
Exact Identification
Match 6ES5945-7UA23 character by character and confirm the complete SIMATIC S5-115U CPU 945 Central Processor designation.
Interface Arrangement
Confirm the installed supply, ports, field connections and required accessories before wiring the replacement.
Configuration Check
Preserve the approved engineering project, network parameters and application data used by the installed system.
Product Overview
The CPU 945 is the central processor for a SIMATIC S5-115U controller and provides 384 KB of memory for the installed STEP 5 application.
The processor executes the cyclic, time-controlled and interrupt-controlled STEP 5 application in the rack. This exact CPU 945 version provides 384 KB for the configured control program and data. Program media, DB1 settings, interface configuration and rack arrangement must be preserved for replacement.
Key Functions
S5-115U Program Execution
The processor executes the cyclic, time-controlled and interrupt-controlled STEP 5 application in the rack.
Expanded CPU Memory
This exact CPU 945 version provides 384 KB for the configured control program and data.
Legacy Project Retention
Program media, DB1 settings, interface configuration and rack arrangement must be preserved for replacement.
Official Specifications
| Memory Capacity | 384 KB |
|---|---|
| Programming System | STEP 5 |
| Program Representations | LAD, CSF and STL |
| Sequential-Control Support | GRAPH 5 |
| Program Processing | Cyclic, interrupt-controlled and time-controlled |
| Memory-Card Technology | SIMATIC S5 flash EPROM |
| Supported Flash-EPROM Capacities | 128 KB, 256 KB and 512 KB |
| Net Weight | 0.82 kg |
| Packaging Dimensions | 31.2 x 21.5 x 5.2 cm |
Frequently Asked Questions
Which PLC rack uses 6ES5945-7UA23?
Install the processor only in a compatible SIMATIC S5-115U central-controller configuration.
How much memory is available in 6ES5945-7UA23?
This CPU 945 version provides 384 KB.
Which engineering system is used with 6ES5945-7UA23?
Use the validated STEP 5 project and matching programming software.
What should I archive before replacing 6ES5945-7UA23?
Save the complete STEP 5 program, DB1 parameters, memory-card image, interface data and hardware configuration.
Can I move any S5 memory card into 6ES5945-7UA23?
Use only an approved SIMATIC S5 memory card whose capacity and programmed contents match the project.
What rack information should be recorded for 6ES5945-7UA23?
Document the slot, neighboring modules, interface modules, jumper settings and backplane arrangement.
What should I test after installing 6ES5945-7UA23?
Verify startup, program consistency, I/O access, timers, interrupts, communications and the controlled machine sequence.
Compatibility & Ordering Notes
Compatibility Checklist
- Use only the CPU 945 execution supported by the installed S5-115U rack.
- Preserve the STEP 5 application, DB1 parameters and programmed memory media.
- Validate all rack modules and communication paths before restarting the machine.
