SIEMENS SIMATIC S7-300
Overview
- The modular mini PLC system for the low and mid-performance ranges
- With comprehensive range of modules for optimum adaptation to the automation task
- Flexible use through simple implementation of distributed structures and versatile networking
- User-friendly handling and uncomplicated design without a fan
- Can be expanded without problems when the tasks increase
- Powerful thanks to a range of integrated functions
A host of features support users in programming, commissioning and servicing the S7-300.
- High-speed instruction processing:
Instruction execution times from 4 ns open up completely new application options in the low-end and mid performance range. - Floating-point arithmetic:
With floating-point arithmetic, even complex arithmetic functions can be used effectively. - User-friendly parameter assignment:
There is only one single software tool with a uniform operator interface for parameterizing all modules. This saves on induction and training overhead. - Human machine interfacing (HMI):
User-friendly HMI services are already integrated into the operating system of the S7-300. Costly programming of these functions is no longer necessary: The SIMATIC HMI system requests process data from the SIMATIC S7-300 — the S7-300 transfers this data at the desired update times. The operating system of the SIMATIC S7-300 handles the transfer autonomously. And all with uniform symbols and database. - Diagnostics functions:
The intelligent diagnostics system of the CPUs continuously checks the functionality of the system and registers faults and specific system events (e.g. time errors, module failure, etc.). The events are stored in a ring buffer and time-stamped for future troubleshooting.
SIEMENS SIMATIC S7-300
Digital input/output modules | |
Diagnostics message | Possible fault cause |
No sensor supply |
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No external auxiliary voltage |
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No internal auxiliary voltage |
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Fuse blown |
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Incorrect parameters in module |
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Time monitoring addressed (watchdog) |
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EPROM fault |
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RAM fault |
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Hardware interrupt lost |
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Analog input modules | |
Diagnostics message | Possible fault cause |
No external load voltage |
|
Configuring/parameterization errors |
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Common mode error |
|
Wirebreak |
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Measuring range low limit violated |
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Measuring range high limit violated |
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