6ES7653-2CE00-0XB0 SIEMENS Expansion Card Description And Features The The 6ES7653‑2CE00‑0XB0 is a system expansion card manufactured by Siemens, under the SIMATIC PCS 7 family.It is designed for use with the SIMATIC PCS 7 CPU 410‑5H controller.It enables up to 1,000 process objects (“PO 1000”) when installed, thereby increasing the capacity of the system.Allows expansion of a PCS 7 automation system by adding capacity for process objects (which could represent e.g. signals,