Index
1 SYSTEM DESCRIPTION ................................................................................................................... 4
1.1 The master unit: Sx2WEB24 (SH2WEB24 or SB2WEB24)............................................................................. 5
1.1.1 Sx2WEB24 bus description ...................................................................................................... 6
1.2 Bus generators ................................................................................................................................................ 8
1.2.1 Wiring the high speed bus ......................................................................................................10
1.2.2 The Dupline® bus ...................................................................................................................11
1.2.3 Cable and installation tips .......................................................................................................13
1.2.4 How to extend the Dupline ® bus ...........................................................................................17
1.2.5 How to define the number of Dupline® networks ...................................................................23
1.2.6 Dupline® bus in the cabinet ....................................................................................................25
1.3 The wireless bus WiDup................................................................................................................................ 28
1.4 How to connect the modem ........................................................................................................................... 29
1.4.1 How to connect the USB Dongle Connection Module SH2DSP24 ........................................29
1.4.2 How to connect the Universal Mobile Modem SH2UMMF124 ...............................................31
1.5 How to connect the energy meters ................................................................................................................ 32
1.6 Ethernet connection ...................................................................................................................................... 33
1.7 Micro SD ....................................................................................................................................................... 34
1.8 Pen drive installation ..................................................................................................................................... 35
1.9 Sizing of Carlo Gavazzi DC power supply ..................................................................................................... 36
1.9.1 How to calculate the power needed .......................................................................................36
1.9.2 How to wire the power supply .................................................................................................37
2 INSTALLING THE SMART-HOUSE SYSTEM ................................................................................38
3 APPENDIX “A” – RS485 NETWORK GUIDELINES ......................................................................39
3.1 MODBUS via Serial line (RS-485) guidelines ................................................................................................ 39
3.1.1 Introduction .............................................................................................................................39
3.1.2 RS-485 cable ..........................................................................................................................39
3.1.3 RS-485 grounding ...................................................................................................................39
3.1.4 RS-485 shielding ....................................................................................................................39
3.1.5 RS-485 termination .................................................................................................................39
3.1.6 RS-485 wiring procedure ........................................................................................................39
3.1.7 RS-485 topology .....................................................................................................................40
4 APPENDIX B - SAFETY RECOMMENDATIONS ...........................................................................41