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CSL Part Number: 117136
Product Overview: The Simatic S5-95U is a compact programmable logic controller from Siemens' S5 family, featuring an integrated CPU with battery-backed program memory. This model (6ES5095-8MA05) uses plug-in EEPROM modules for program storage and includes serial communication ports for interfacing with operator panels and other devices. It is commonly used in industrial automation applications including water treatment systems, process control, and manufacturing equipment. The S5-95U operates as a standalone controller in smaller automation tasks where the S5 architecture is specified.
Category: PLC
Manufacturer: Siemens
Alternate Manufacturer Names: SImatic S5
Manufacturer Part Number: 6ES5095-8MA05
Series: SIMATIC S5 PLC
Other Synonyms: SImatic S5
Include the memory module with the PLC along with the operator interface and cables.
Common Failures
Common symptoms encountered with this module include failure to exit stop mode, accompanied by an error message: "NONE DEFAULT PARAMETERS ON SERIAL PORT X2 USED". This issue has been observed across different units, which may indicate a relationship to EEPROM or internal configuration settings.
Repair Approach
Initial diagnostic testing involved EEPROM evaluation and comparative testing to identify the source of the fault. Testing indicated that multiple units exhibited similar errors, suggesting the problem may be related to EEPROM program or configuration settings rather than hardware components.
Testing & Quality
Units were subjected to tests that verified basic operational power and connectivity with external interfaces. The green "RUN" LED illumination confirmed that the units could power on and attempt to execute their programs. External connectivity was confirmed through testing equipment. Configuration settings require further review to address the observed error condition.
Service and repair your broken Siemens part
We can repair your Siemens model 6ES5095-8MA05 in our facility. Let our skilled technicians get your Siemens back in operation quickly.
Step 1 - Click the green 'Repair Now' button above to add the part and then complete the RMA.
Step 2 - The RMA form will be sent to you via email. Print the RMA form and put it in a box with the item(s) for repair.
Step 3 - Ship or mail the box to the address listed on the RMA.
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