- Programmable Logic Controller (PLC), SIEMENS PLC Systems
Siemens Simatic S5 CPU plc 6ES59283UB21
- ***Spare part*** 6ES59283UB21 Siemens SIMATIC S5, CPU 928B Central processing unit for S5-135U/-155U with SS slot for 2nd interface New version single-width 6ES5928-3UB21
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