Features:
- Separates user-program execution data from removable load-memory storage.
- Combines two integrated bus connections with two IF 964-DP module positions.
- Supports consistent process-image data, CiR changes and clock-synchronous DP operation.
The CPU 417-4 executes S7-400 logic while coordinating central and distributed address areas.
Removable media supplies the load-memory layer, while the executable code and data regions are independently expandable to ten megabytes.
STEP 7, diagnostic-buffer and password functions provide separate paths for engineering, fault history and program access control.
The Siemens 6ES7417-4XL00-0AB0 SIMATIC S7-400 CPU 417-4 may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES7417-4XL00-0AB0 SIMATIC S7-400 CPU 417-4 Manuals,Datasheets,Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Program testing through STEP 7
- Online status: Block status and variable tables expose current program execution values.
- Controlled forcing: Force functions apply defined test values without changing the stored user program.
- Breakpoint use: Four breakpoints pause execution at selected program positions during testing.
- Change boundary: Commissioning tools act through the configured CPU access level and active interface.
Assigning the four communication positions
- Multi-role port: The first integrated connector can run as MPI, DP master or DP device.
- Dedicated master: The second integrated connector organizes its own DP segment.
- Expansion pair: The third and fourth positions require IF 964-DP modules before they become active bus interfaces.
- Independent setup: Each installed path receives its own operating mode, address and connected-station list in the hardware configuration.
Addressing and synchronized exchange
- Address area: Distributed I/O is assigned within the CPU input and output ranges.
- Consistent data: Process-image partitions provide consistent access without mixing transfer methods.
- Equidistance: DP cycles can be aligned with the configured clock interval.
- CiR: Configuration changes synchronize from a 100 ms base load plus 120 microseconds per I/O byte.
Fault history and protected access
- Event buffer: Configured diagnostic entries preserve the sequence of reported CPU events.
- Record depth: The buffer can retain as many as 3,200 entries when configured for maximum depth.
- Access level: Password settings limit which online functions are available to an engineering session.
- Status review: STEP 7 presents module and program status independently of the stored event history.