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2 year warranty*
Worldwide delivery
Returns accepted
*Manufacturer's warranty does not apply
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Originally described as the most powerful multiprocessor unit for process automation, the Siemens 6ES5928-3UB21 was a slot in CPU 928B module for the Simatic S5-135U range of programmable logic controllers. Sadly the unit is now obsolete and no longer fully supported by Siemens. Thankfully, Northern Industrial can still provide new and refurbished CPU 928B module as well as a high quality repair service.
The CPU 928B module was particularly well suited to open and closed loop control, signalling, monitoring and basic tasks like logging. The high performance capabilities of the 6ES5 928-3UB21 resulted in the module being installed in medium to extremely large control systems, complex plant automation system and detailed process supervision applications.
Common applications included
At Northern Industrial we always recommend that you keep a secure backup of your PLC program in case the worst happens. To extract, test or commision a user program on the 6ES5928-3UB21 you are going to need a copy of STEP 5 programming software, a programming cable and a PC running DOS or Windows XP. Due to the age of the software, it can be difficult to acquire the program and to find a suitable PC. If you are unsure about using STEP 5, then don’t worry. We’ve got factory trained engineers that are able to come out onsite and extract or modify your 6ES5928-3UB21 program.
Like the majority of modern PLC CPUs, the 6ES5928-3UB21 provided three main modes of operation
1. Cyclic processing: The same operations are repeated in an endless cycle
2. Time Controlled Processing: Processes requiring control signals at constant internvals such as critical monitoring functions on a production line
3. Interrupt driven processing: The CPU reacts to a particular process driven signal for example a safe stop switch
Las especificaciones siguientes se aplican a este producto
Manufacturer | Siemens |
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Alternative Partnumber | 6ES5 928-3UB21 |
Range type | Processor Module |
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Range | Simatic S5 |
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