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Overview of S7-300 PLC
Modularized medium-sized PLC system to meet medium and small-scale control requirements
Modules with various performances can satisfy and adapt to the task of automatic control very well.
Simple and practical distributed structure and general network capability make the application very flexible.
The structure without fan design makes user's maintenance easier.
When the control task increases, it can be expanded freely.
A large number of integrated functions make it very powerful.
General Technical Specification for S7-300
Protection Level: IP20, in line with IEC60529
ambient temperature
Horizontal Installation: 0-60 C
Vertical Installation: 0-40C
Relative humidity: 5-95%, no condensation (RH grade 2, IEC 61131-2)
Atmospheric pressure: 795-1080hPa
quarantine
24VDC Circuit: Test Voltage 500VDC
230VAC Circuit: Test Voltage 1460VAC
electromagnetic compatibility
Compliance with EMC requirements
Noise suppression, in line with IEC 61000-6-2,
Test compliance: IEC 61000-4-2, 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6
Radiation interference conforms to EN50081-2
The test conforms to EN55011, Class A, Group 1
Mechanical grade: IEC60068, Part2-6/10up58Hz;
Vibration, test conditions are in accordance with: constant amplitude 0.075 mm;
The impact test conforms to:
58-150 Hz;
Constant acceleration 1g;
Vibration period: In each direction of three mutually perpendicular axes, each axle has 10 vibration periods.
IEC60068, Part2-27/half wave: impact strength 15g (peak), duration 11ms