Siemens RS485-FO, Руководство по эксплуатации, Страница: 3 / 28

Table of content
1 GENERAL INSTRUCTIONS ...........................................................................................................4
1.1 Qualified Personnel .....................................................................................................................5
1.2 Safety Notes ................................................................................................................................6
1.3 Intended Use ...............................................................................................................................7
1.4
Explanation of the symbols at the device: ...................................................................................7
1.5 Exclusion of liability .....................................................................................................................8
1.6 Copyright .....................................................................................................................................8
2 OPERATING INSTRUCTIONS .......................................................................................................9
2.1 Scope of Application....................................................................................................................9
2.2 General Data ...............................................................................................................................9
2.3 Protocol
transparency ...............................................................................................................10
2.4 Data transfer..............................................................................................................................10
3 TECHNICAL DATAS.....................................................................................................................11
3.1 Hardware features ....................................................................................................................11
3.2 Safety Tests...............................................................................................................................12
3.3 Dielectric Tests ..........................................................................................................................13
3.4 Interference Emission................................................................................................................13
3.5 Interference immunity ................................................................................................................14
3.6 Climatic
Stress tests ..................................................................................................................15
3.7 Mechanical Stress Tests ...........................................................................................................16
3.8 Dimension Drawings .................................................................................................................17
3.9 Ordering Data ............................................................................................................................17
4 DESCRIPTION OF THE FUNCTIONAL UNIT ..............................................................................18
4.1 Terminal Assignment.................................................................................................................18
4.2 Screw-type
terminals X2, X7, X5...............................................................................................19
4.3 RS485-Connector X6 ................................................................................................................19
4.4 FO-Connections ........................................................................................................................20
4.5 Switch
positions.........................................................................................................................20
4.6 Assignment Switch 1 .................................................................................................................21
4.7 Assignment Switch 2 .................................................................................................................21
5 INSTALLATION AND COMMISSIONING ....................................................................................22
5.1 Reference to Installation............................................................................................................22
5.2 Connection ................................................................................................................................22
5.2.1 Power supply X2...............................................................................................................23
5.2.2 Alarm relay terminals X7...................................................................................................23
5.2.3 Fibre Optic (FO) connections Rx, Tx ................................................................................23
5.2.4 RS485-Bus connection X6 ...............................................................................................24
5.3 Commissioning ..........................................................................................................................24
5.4 Maintenance ..............................................................................................................................24
6 APPLICATIONS ............................................................................................................................25
6.1 Optical star structure .................................................................................................................25
6.2 Bus structure with fibre optic spur .............................................................................................26
12.10.2006 RS485-FO Converter 1-channel Page 3 of 28