
Table of contents
1 Introduction...................................................................................................................................................5
1.1 Purpose of this documentation.................................................................................................5
1.2 Document history .....................................................................................................................5
1.3 Product compatibility ................................................................................................................5
1.4 Checking the consignment.......................................................................................................6
1.5 Security information .................................................................................................................6
1.6 Transportation and storage ......................................................................................................7
1.7 Notes on warranty ....................................................................................................................7
2 Safety notes..................................................................................................................................................9
2.1 Preconditions for use ...............................................................................................................9
2.1.1 Warning symbols on the device ...............................................................................................9
2.1.2 Laws and directives..................................................................................................................9
2.1.3 Conformity with European directives......................................................................................10
2.1.4 Improper device modifications ...............................................................................................10
2.2 Requirements for special applications ...................................................................................10
2.3 Use in hazardous areas .........................................................................................................11
3 Description..................................................................................................................................................13
3.1 Design ....................................................................................................................................14
3.2 Nameplate layout ...................................................................................................................15
3.3 Features .................................................................................................................................16
4 Installing/mounting......................................................................................................................................17
4.1 Basic safety notes ..................................................................................................................17
4.1.1 Installation location requirements...........................................................................................17
4.1.2 Proper mounting.....................................................................................................................18
4.2 Installation preconditions........................................................................................................18
4.3 Mounting SITRANS I300........................................................................................................19
5 Connecting .................................................................................................................................................21
5.1 Basic safety notes ..................................................................................................................21
5.1.1 Note on electromagnetic compatibility ...................................................................................23
5.1.2 Improvement of interference immunity...................................................................................23
5.2 Connecting power supply and EIA-485 on primary side ........................................................23
5.3 Connecting devices on secondary side..................................................................................25
6 Commissioning ...........................................................................................................................................27
6.1 Basic safety notes ..................................................................................................................27
SITRANS I300 Isolating power supply with EIA-485 interface
Operating Instructions, 01/2019, A5E45099319-AA 3