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Important 

Comments 

•  

 

 

Symbols 

WAGO-I/O-SYSTEM 750 
I/O Modules 

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 

Example 

Note 

Decimal 100 

normal 

notation 

Hexadecimal 0x64 

notation 

Binary '100' 

'0110.0100' 

Within ', 
Nibble separated with dots 

 

Summary of Contents for 750-428

Page 1: ...Fieldbus Independent I O Modules 4 DI AC DC 42 V 20 ms 750 428 Manual Version 1 0 3...

Page 2: ...571 8 87 5 55 Fax 49 0 571 8 87 85 55 E Mail support wago com Every conceivable measure has been taken to ensure the correctness and com pleteness of this documentation However as errors can never be...

Page 3: ...el Qualification 4 1 1 3 Intended Use 4 1 2 Symbols 5 1 3 Number Notation 5 1 4 Safety Notes 6 1 5 Scope 6 2 I O Modules 7 2 1 Digital Input Modules 7 2 1 1 750 428 4 DI AC DC 42 V 20 ms 7 2 1 1 1 Vie...

Page 4: ...ufacturers are always named without referring to patent rights The existence of such rights can therefore not be ruled out 1 1 2 Personnel Qualification The use of the product detailed in this manual...

Page 5: ...ation 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...

Page 6: ...information is to be regarded Do not use any contact spray The spray may impair the functioning of the contact area The WAGO I O SYSTEM 750 and its components are an open system It must only be assem...

Page 7: ...750 428 reads AC DC 42 V values from digital field devices sensors switches etc using the differential inputs and transmits depending on these values binary control signals to the higher ranking cont...

Page 8: ...rollers of the WAGO I O SYSTEM 750 2 1 1 3 Display Elements LED Channel Designation State Function off Input DI 1 Signal voltage 0 A green 1 Status DI 1 on Input DI 1 Signal voltage 1 off Input DI 2 S...

Page 9: ...gulations cf Chapter 2 2 of the Coupler Controller Manual EMC Immunity to interference CE acc to EN 50082 2 96 EMC Emission of interference CE acc to EN 50081 1 93 Approvals cf Chapter 2 2 of the Coup...

Page 10: ...WAGO Kontakttechnik GmbH Co KG Postfach 2880 D 32385 Minden Hansastra e 27 D 32423 Minden Phone 05 71 8 87 0 Fax 05 71 8 87 1 69 E Mail info wago com Internet http www wago com...

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