Leybold vacuum TURBO.DRIVE 400 Operating Instructions Manual
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Contents
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2717200492_002_A5 - 04/2011 - © Oerlikon Leybold VacuumOperation3.2.2 RS 485 interfaceStandards ISO/IEC 8482, EIA 485Protocol acc. to VDI/VDE 3689Transmission rate 19200 baud fixedResponse delay default setting 10 ms(parameter 180)Address range 0 ... 15Max. cable length 50 m (with bus termination)Type of cable 2 wire twisted pair(twisted pair cable)Differential voltage levels logic "0":(see also “Standards”) transmitter: 1.5 ... 5 Vreceiver: > 0.3 Vlogic "1":transmitter: - 1,5 ... - 5 Vreceiver: ≤ - 0,3 VInterface connector 9 way Sub-D type,socket on the instrument (male)thread UNC4-40Note: After having changed the bus address through therotary switch (see Fig. 1.3), the frequency converter mustbe switched off (yellow power LED off) and then on againso as to enable the new address setting.Bus addresses over 15 can only be set via Parameter 37.Refer also to Operating Instructions GA 05.281 |
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