Information On Insulation Tests, Protection Class, Degree Of Protection And Rated Voltage - Siemens SIMATIC S7-1500/ET 200MP System Manual
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Also See for SIMATIC S7-1500/ET 200MP:
- System manual (356 pages) ,
- Compact operating instructions (129 pages) ,
- Manual (100 pages)
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Technical specifications
16.6 Information on insulation tests, protection class, degree of protection and rated voltage
Information on PFDavg, PFH values for S7-1500 F
PFDavg and PFH values for F-CPUs at operating altitudes up to 3,000 m or 5,000 m. Below
you will find the probability of failure values (PFDavg and PFH values) for the F-CPUs with a
service life of 20 years and with a repair time of 100 hours:
Operation in low demand mode
low demand mode
According to IEC 61508:2010:
PFDavg = Average probability of dangerous failure on
demand
< 2E-05
16.6
Information on insulation tests, protection class, degree of
protection and rated voltage
Insulation
The insulation is designed in accordance with the requirements of EN 61010-2-201.
Note
In the case of modules with 24 V DC (SELV/PELV) supply voltage, galvanic isolations are tested
with 707 V DC (type test).
Pollution degree/overvoltage category in accordance with EN 61131-2: 2007 and IEC 61010-2-201
• Pollution degree 2
• Overvoltage category: II
Protection class according to IEC 61131-2: 2007 and IEC 61010-2-201
The S7-1500 automation system/ET 200MP distributed I/O system meets protection class I
and contains parts of protection classes II and III.
Degree of protection IP20
Degree of protection IP20 in accordance with IEC 60529 for all modules of the S7-1500
automation system/ET 200MP distributed I/O system:
• Protection against contact with standard test fingers
• Protection against foreign objects with diameters in excess of 12.5 mm
• No protection against water
354
Operation in high demand or continuous mode
high demand/continuous mode
According to IEC 61508:2010:
PFH = Average frequency of a dangerous failure [h
< 1E-09
System Manual, 01/2023, A5E03461182-AK
]
-1
Automation system
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