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6 •
Important Comments
Symbols
1.2 Symbols
Danger
Always abide by this information to protect persons from injury.
Warning
Always abide by this information to prevent damage to the device.
Attention
Marginal conditions must always be observed to ensure smooth operation.
ESD (Electrostatic Discharge)
Warning of damage to the components by electrostatic discharge. Observe
the precautionary measure for handling components at risk.
Note
Routines or advice for efficient use of the device and software optimization.
More information
References on additional literature, manuals, data sheets and INTERNET
pages
1.3 Number Notation
Number Code
Decimal
Hexadecimal
Binary
Example
100
0x64
'100'
'0110.0100'
Note
normal notation
C notation
Within ',
Nibble separated with dots
WAGO-I/O-SYSTEM 751
AS-Interface Components IP20
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