Product overview
3.3 Overview of functions
CPU 1505SP (F) Ready4Linux Version 2.7
18 Operating Instructions, 05/2019, A5E46864285-AA
● Integrated Web server
All CPUs of the SIMATIC S7-1500 automation system support querying of the CPU via
the web server. The web server of the CPU provides the following diagnostics
possibilities:
– CPU mapping with LEDs and current operating mode
– Reading out entries from the diagnostics buffer
– Querying module states
– Querying current alarms
– Information on the status of the topology/PROFINET devices
– Transferring user data to the load memory of the CPU and managing this data
– User-programmable web pages for support of service- and commissioning-specific
machine functions
● Trace functionality
All CPUs of the SIMATIC S7-1500 automation system support the trace functionality. The
trace functionality supports the recording of analog and digital tags for each cycle and
their representation as a trend with STEP 7. It is particularly useful for motion control and
closed-loop control applications.
● Integrated technology
– S7-1500 Motion Control
PLC Open blocks for programming motion functionality by means of PROFINET IO
and PROFIdrive interface.
The functionality supports speed-controlled axes, positioning axes, synchronous axes,
and external encoders.
– Integrated closed-loop control functionality: The CPU has three PID controllers with
integrated optimization for a wide range of closed-loop control tasks:
PID_Compact for universal closed-loop control tasks
PID_3Step for valves
PID_Temp for closed-loop temperature control tasks
● Integrated security
– Know-how protection
Algorithms can be securely protected against unauthorized access and modification.
– Access protection
Extended access protection provides comprehensive protection against unauthorized
configuration changes. Authorization levels can be used to assign separate rights to
different user groups.
– Integrity protection
The system protects the data transferred to the CPU from unauthorized manipulation.
Altered or external transmission of engineering data is reliably detected by the CPU.
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