Siemens 6ES7643-8GM21-3XX0 Refurbished SIMATIC Rack PC 847B Interfaces: 2 x
I appreciate that Siemens puts a lot of thought into heat management here.
Siemens 6ES7643-8KM21-3XX0 Refurbished SIMATIC Rack PC 847B Interfaces: 2 x
You will find the Siemens processor handles heavy workloads without slowing down.
Siemens 6ES7643-8KX34-3XX0 Refurbished SIMATIC Rack PC 847B Interfaces: 2 x
This Siemens PLC processor just feels solid and well-engineered from the start.