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Siemens SIMATIC S7-300 Module data Hardware And Installation Manual

Siemens SIMATIC S7-300 Module data
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Testing functions, Diagnostics and Fault Elimination
S7-300 Programmable Controller Hardware and Installation
10-6 A5E00105492-01
help of the diagnostic buffer and of the stack content. You can also check whether
a user program will run on a specific CPU.
Hardware diagnostics give you an overview of the PLC status. In an overview
symbols can display the error status of every module. A double-click on the faulty
module opens detailed error information. The scope of this information depends on
the specific module. You can view the following information:
Display of general information on the module (e.g. order No., version,
designation) and module status (e.g. error).
Display of module errors (e.g. channel error) in the central I/O and DP slave.
Display of messages from the diagnostic buffer.
For CPUs you can also view the following module status information:
Cause of an error in the user program cycle.
Display of the cycle time (longest, shortest and last cycle).
Options and utilization of MPI communication.
Display of performance data (number of possible /IOs, memory bits, counters,
timers and blocks).
Details on diagnostic options in STEP 7 and practical related procedures are found
in the Manual Programming with STEP 7 and in the HW Config Online Help.
10.5 Diagnostics with LEDs
Introduction
Diagnostics with LEDs is an initial tool for error localization. Usually you evaluate
the diagnostic buffer for further error localization.
The buffer contains plain text information on the error that has occurred. Here you
can find, for example, the number of the matching error OB. You can prevent the
CPU from switching to STOP mode by generating this OB.

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Siemens SIMATIC S7-300 Module data Specifications

General IconGeneral
SeriesS7-300
ManufacturerSiemens
Protection ClassIP20
SystemSIMATIC S7-300
Digital InputsVaries by module
Digital OutputsVaries by module
Analog InputsVaries by module
Analog OutputsVaries by module
Central Processing UnitVaries by CPU model
Supply Voltage24V DC or 120/230V AC
CPU TypeVaries (e.g., CPU 312, CPU 315, etc.)
MemoryVaries by CPU model
Communication InterfacesMPI, PROFIBUS
Programming LanguagesLAD, FBD, STL, SCL, GRAPH
Operating Temperature0°C to 60°C
Storage Temperature-40°C to 70°C
Relative Humidity10% to 95% (non-condensing)

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