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- Siemens
- 6AG1591-1BA01-2AA0
- Front Flap
- Germany
- 70 mm
- 0.148 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Siemens 6AG1591-1BA01-2AA0 is a SIPLUS S7-1500 front flap V2 CPU 70 mm used as a spare display/front assembly for selected S7-1500 CPUs. It is based on the standard 6ES7591-1BA01-0AA0 design and adds conformal coating for SIPLUS applications.
This V2 front flap is intended for 70 mm wide S7-1500 CPUs, including CPU 1515(F)-2 PN, CPU 1516(F)-3 PN/DP, CPU 1517(F)-3 PN/DP, and CPU 1518(F)-4 PN/DP. It can be used when the original CPU display/front assembly needs replacement without changing the CPU itself.
The unit is particularly useful for maintenance work on SIPLUS control cabinets where the CPU remains installed and only the front display assembly needs to be replaced.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Siemens |
| Product Model | 6AG1591-1BA01-2AA0 |
| Product Family | SIPLUS S7-1500 |
| Product Type | Front Flap V2 CPU 70 mm |
| Product Designation | SIPLUS S7-1500 FRONTKLAPPE V2 CPU 70MM |
| Component Function | Spare Part Display / Front Flap |
| CPU Width | 70 mm |
| Version | V2 |
| Base Standard Part | 6ES7591-1BA01-0AA0 |
| Compatible CPU | CPU 1515(F)-2 PN |
| Compatible CPU | CPU 1516(F)-3 PN/DP |
| Compatible CPU | CPU 1517(F)-3 PN/DP |
| Compatible CPU | CPU 1518(F)-4 PN/DP |
| Coating | Conformal Coating |
| Operating Temperature | -25 … +60 °C |
| Start-up Temperature | -20 °C |
| Storage/Transport Temperature | -40 … +70 °C |
| Maximum Installation Altitude | 5000 m |
| Weight | 0.148 kg |
Product Features
- SIPLUS S7-1500 front flap V2 for 70 mm CPU assemblies.
- Spare display/front assembly for selected S7-1500 CPUs.
- Based on the 6ES7591-1BA01-0AA0 standard component.
- Conformal-coated construction for SIPLUS applications.
- Compatible with CPU 1515(F)-2 PN, CPU 1516(F)-3 PN/DP, CPU 1517(F)-3 PN/DP, and CPU 1518(F)-4 PN/DP.
- Supports replacement of the CPU front/display assembly without replacing the complete controller.
- Suitable for maintenance and spare-part replacement in installed S7-1500 systems.
- V2 identification distinguishes it from earlier S7-1500 front/display versions.
Working Principle
The 6AG1591-1BA01-2AA0 does not perform PLC logic processing, I/O acquisition, or communication by itself. Its function is associated with the front display and front flap assembly of the compatible S7-1500 CPU.
During normal operation, the front assembly is mounted directly on the CPU and forms the operator-facing section of the controller. The display allows the user to access CPU status information and diagnostic information locally.
When the original front/display assembly is damaged or needs replacement, the 6AG1591-1BA01-2AA0 can be installed as the corresponding SIPLUS spare part. The CPU, user program, I/O modules, and communication configuration remain part of the existing automation system.
The conformal-coated SIPLUS construction is intended for applications where the controller operates under the environmental conditions specified for the SIPLUS version.
Role in a SIPLUS S7-1500 Control Architecture
The front flap is positioned at the operator-facing side of the CPU rather than in the signal or communication path.
| System Element | Function |
|---|---|
| SIPLUS S7-1500 CPU | Executes the control program and manages the automation task |
| 6AG1591-1BA01-2AA0 | Provides the replacement front/display assembly for compatible 70 mm CPUs |
| SIMATIC Memory Card | Stores the CPU program and related configuration data where required |
| S7-1500 I/O Modules | Exchange process signals with field devices |
| PROFINET Network | Connects the CPU with distributed I/O and other networked devices |
| Power Supply | Supplies the controller system |
| HMI / Engineering Station | Used for operator control, diagnostics, configuration, and commissioning |
Industrial Applications
| Application | Typical Use |
|---|---|
| Factory Automation | Replacement of a damaged or worn CPU front/display assembly in S7-1500 control cabinets |
| Process Machinery | Maintenance of SIPLUS controllers installed on machines operating under extended environmental conditions |
| Production Lines | Keeping installed CPU assemblies serviceable without replacing the complete controller |
| Packaging Equipment | Spare-part replacement during planned maintenance |
| Material Handling | Maintenance of S7-1500 CPU front assemblies in conveyor and handling systems |
| Infrastructure Control | Service work on SIPLUS-based automation cabinets |
| Retrofit Projects | Replacement of an existing front/display assembly while retaining the installed CPU |
Installation and Maintenance
- Verify the CPU model — Confirm that the installed CPU is one of the compatible 70 mm S7-1500 CPU types before ordering or installing the spare part.
- Check the part number — Compare the replacement part number with the existing component and maintenance documentation.
- Isolate the controller — Follow the plant’s electrical isolation procedure before removing the front assembly.
- Protect the CPU — Prevent dust, moisture, metal particles, and other contaminants from entering exposed areas during replacement.
- Remove the existing front assembly carefully — Avoid excessive force on the mechanical retaining points and connected components.
- Inspect the mounting area — Check the CPU front section for broken clips, contamination, or other mechanical damage.
- Install the replacement assembly — Position the 6AG1591-1BA01-2AA0 correctly and secure it according to the S7-1500 installation procedure.
- Check mechanical alignment — Make sure the front flap sits correctly against the CPU housing and can move or close normally.
- Restore power according to procedure — Re-energize the controller only after the replacement has been inspected.
- Check the CPU display — Confirm that the display operates correctly and that status information can be viewed.
- Review diagnostic information — Check the CPU status and diagnostic indications after maintenance.
- Record the replacement — Update the maintenance record with the installed part number and service date for future troubleshooting.
Compatible System Components
| Component | Function |
|---|---|
| SIMATIC S7-1500 CPU 1515-2 PN | Compatible 70 mm CPU platform |
| SIMATIC S7-1500 CPU 1515F-2 PN | Fail-safe CPU platform supported by the spare display assembly |
| SIMATIC S7-1500 CPU 1516-3 PN/DP | Compatible 70 mm CPU platform |
| SIMATIC S7-1500 CPU 1516F-3 PN/DP | Fail-safe CPU platform |
| SIMATIC S7-1500 CPU 1517-3 PN/DP | Compatible high-performance CPU platform |
| SIMATIC S7-1500 CPU 1517F-3 PN/DP | Fail-safe CPU platform |
| SIMATIC S7-1500 CPU 1518-4 PN/DP | High-performance CPU platform |
| SIMATIC S7-1500 CPU 1518F-4 PN/DP | Fail-safe high-performance CPU platform |
| SIMATIC S7-1500 Power Supply | Supplies the S7-1500 controller system |
| SIMATIC S7-1500 I/O Modules | Provide process-level signal interfaces |
| SIMATIC Memory Card | Provides CPU program and configuration storage |
Recommended Related Models
| Model | Product / Application |
|---|---|
| 6AG1591-1AA01-2AA0 | SIPLUS S7-1500 Front Flap V2 CPU 35 mm |
| 6ES7591-1BA01-0AA0 | Standard S7-1500 CPU 70 mm front/display assembly on which the SIPLUS version is based |
| 6AG1591-1BA02-2AA0 | SIPLUS S7-1500 Front Flap CPU 70 mm, later 70 mm SIPLUS version |
| 6AG1591-1BB00-2AA0 | SIPLUS S7-1500 Display Module for 70 mm CPUs |
| 6ES7591-1BB00-0AA0 | Standard S7-1500 Display Module for 70 mm CPUs |
| 6AG1515-2FM01-2AB0 | SIPLUS S7-1500 CPU 1515F-2 PN |
| 6AG1516-3FN01-2AB0 | SIPLUS S7-1500 CPU 1516F-3 PN/DP |
| 6AG1518-4FP00-4AB0 | SIPLUS S7-1500 CPU 1518F-4 PN/DP |
Key Advantages
- Direct spare-part application for compatible 70 mm S7-1500 CPUs.
- V2 front flap and display configuration.
- Based on the corresponding standard S7-1500 component.
- Conformal-coated SIPLUS construction.
- Supports maintenance without replacing the complete CPU.
- Suitable for extended-temperature SIPLUS installations.
- Covers several CPU 1515, 1516, 1517, and 1518 configurations.
Technical FAQs
What is Siemens 6AG1591-1BA01-2AA0 used for?
The 6AG1591-1BA01-2AA0 is a SIPLUS S7-1500 front flap V2 CPU 70 mm used as a spare display/front assembly for compatible S7-1500 CPUs.
Which CPUs are compatible with the 6AG1591-1BA01-2AA0?
The part is specified for CPU 1515(F)-2 PN, CPU 1516(F)-3 PN/DP, CPU 1517(F)-3 PN/DP, and CPU 1518(F)-4 PN/DP.
Is the 6AG1591-1BA01-2AA0 a complete CPU?
No. It is a spare front/display assembly. It does not replace the CPU’s processing, memory, I/O, or communication functions.
What is the difference between 6AG1591-1BA01-2AA0 and the standard 6ES7591-1BA01-0AA0?
The 6AG1591-1BA01-2AA0 is the SIPLUS version based on 6ES7591-1BA01-0AA0 and uses a conformal-coated construction for SIPLUS applications.