We reserve the right to change designs and technical specifications of our products.
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ENG
Table of contents
1.
Safety instructions .................................................................................................... 4
1.1 EU declaration of conformity .............................................................................................. 4
1.1.1 General instructions ........................................................................................................................ 4
1.1.2 Alterations to the equipment .......................................................................................................... 4
1.2 Intended use ...................................................................................................................... 5
1.3 Warranty and liability ......................................................................................................... 5
1.4 Disposal and hazardous substances .................................................................................... 5
2. Description ............................................................................................................... 6
2.1 Technical data .................................................................................................................... 6
2.2 About the LogoTronic Hub OTC ........................................................................................... 6
2.3 Safety symbols and stickers ................................................................................................ 7
3. Installation ............................................................................................................... 7
3.1 Electrical connections for the LogoTronic Hub OTC ............................................................. 8
4. Commissioning .......................................................................................................... 8
5. Servicing................................................................................................................... 9
5.1 Fuse ................................................................................................................................... 9
6.
LogoTronic Hub OTC – operation ................................................................................. 9
6.1 Configuration ..................................................................................................................... 9
6.1.1 Keys A and B components ............................................................................................................. 10
6.1.2 LED displays 1...5 ........................................................................................................................... 11
7.
LogoTronic Hub OTC – functions ................................................................................ 12
7.1 Modbus – General overview ............................................................................................. 12
7.1.1 Remote Terminal Unit (RTU) mode ............................................................................................... 12
7.1.2 Protocol configuration ................................................................................................................... 13
7.1.2.1 Uni-/Broadcast transmission principles ...................................................................................... 14
7.1.2.2 Function codes ............................................................................................................................. 14
7.1.2.3 Data/parameter scaling ................................................................................................................ 14
7.1.2.4 CRC ................................................................................................................................................ 14
7.1.2.5 Start/end ....................................................................................................................................... 14
7.1.3 Transmission parameters ................................................................................................................ 14
7.1.4 Modbus – properties ....................................................................................................................... 15
7.2 Modbus for LogoTronic Hub OTC and HIU controllers ........................................................ 15
7.2.1 Connection of the RS-485 interface on the circuit board ............................................................. 16
7.2.2 Setting the controller for the Modbus protocol ............................................................................ 16
7.2.3 RS-485 interface settings (notes for system integrators) ............................................................. 17
7.2.4 Example of a broadcast message (notes for system integrators) ................................................ 18
7.2.5 Client-server interconnection options in the Modbus network ................................................... 19
7.2.6 Notes on components .................................................................................................................... 20
