
WAGO-I/O-SYSTEM 750 Table of Contents 3
750-606 24 V DC 1.0 A power supply Ex i
Manual
Version 1.4.0 valid from HW version 03
Table of Contents
1Notes about this Documentation .............................................................5
1.1 Validity of this Documentation.................................................................5
1.2 Copyright................................................................................................5
1.3 Symbols .................................................................................................6
1.4 Number Notation ....................................................................................8
1.5 Font Conventions ...................................................................................8
2Important Notes ........................................................................................9
2.1 Legal Bases............................................................................................9
2.1.1 Subject to Changes............................................................................9
2.1.2 Personnel Qualifications ....................................................................9
2.1.3 Use of the WAGO-I/O-SYSTEM 750 in Compliance with Underlying
Provisions ..........................................................................................9
2.1.4 Technical Condition of Specified Devices.........................................10
2.2 Safety Advice (Precautions) .................................................................11
3Device Description..................................................................................13
3.1 View .....................................................................................................16
3.2 Connectors...........................................................................................17
3.2.1 Data Contacts/Internal Bus ..............................................................17
3.2.2 Power Jumper Contacts/Field Supply ..............................................18
3.2.3 CAGE CLAMP®Connectors.............................................................19
3.3 Display Elements..................................................................................20
3.4 Operating Elements..............................................................................20
3.5 Schematic Diagram ..............................................................................21
3.6 Technical Data .....................................................................................22
3.6.1 Device Data .....................................................................................22
3.6.2 Supply..............................................................................................22
3.6.3 Communication................................................................................22
3.6.4 Explosion Protection ........................................................................22
3.6.5 Connection Type..............................................................................23
3.6.6 Climatic Environmental Conditions...................................................23
3.7 Approvals .............................................................................................24
3.8 Standards and Guidelines ....................................................................27
4Process Image.........................................................................................29
5Mounting..................................................................................................30
5.1 Mounting Sequence..............................................................................30
5.2 Inserting and Removing Devices ..........................................................31
5.2.1 Inserting the I/O Module...................................................................31
5.2.2 Removing the I/O Module ................................................................32
6Connect Devices .....................................................................................33
6.1 Connecting a Conductor to the CAGE CLAMP®...................................33
6.2 Power Supply Concept .........................................................................34
6.2.1 Power Supply Concept in Marine Applications .................................37
7Use in Hazardous Environments ...........................................................39