The EM223 connects in an S7-22X CPU expansion chain and interfaces discrete sensors and actuators through documented input commons and output supply groups. Its cancelled product status makes the exact catalog number, hardware version and installed project backup essential for replacement.
Important Notice: Confirm 6ES7223-1BL22-0XA0, the S7-22X CPU, expansion order, hardware version, terminal assignments, 24 VDC supplies and commons, output loads, protective grounding, STEP 7 Micro/WIN project and controlled I/O and interlock test before commissioning.
Apter Power 6ES7223-1BL22-0XA0 Manuals and Guides
The first document is the model-specific technical and system reference. The second is a distinct field workbook for installation, wiring, commissioning and acceptance records.