ABB Softstartéry - komunikace (EN)

| Kategorie: Leták / Datasheet  | Tento dokument chci!

Vydal: ABB s.r.o, ELSYNN Autor: ABB ELSYnn

Strana 220 z 225







Poznámky redaktora
2 31. 19.0 The power supply has always fused with max. (M12 System Limit) Remark: The max. The calculation with the scheme below takes into account: - The most distant slave situated the end the scheme -needs least: 19,2 VDC - Line resistance (0. In accordance with this fact the calculation below provides max slaves one master. PDP22, PDP21 mA Supply current typ.2 V including ripple.5 mm2) (can changed): 0,075 Ohm/m Additional info: max.PDP21-FBP PROFIBUS DP-V0 FieldBusPlug PDP22-FBP PROFIBUS DP-V1 FieldBusPlug PDQ22-FBP Power Supply via Bus Cable, Calculation Supposed all devices are supplied externally, the supply has feed the PDP21, PDP22 PDQ22 connected the bus. number physical stations one bus segment 32, defined the RS-485 standard. The supply current depends the voltage (typical values): Supply voltage: 19.2 V Supply current typ. That means: For more than slaves additional segment (coupled with repeater) has be provided that needs normally separate supply unit.xls PROFIBUS. Power Supply 24V adjustable Order code: 1SVR423416R0100 Type: CP-24/5. output voltage above recommended supply unit V FieldBusPlug 03. PDQ22 mA To simplify the calculation the scheme below uses the highest the currents but the other hand does not regard the increased copper resistance and voltage drop for higher environment temperatures. Normally each repeater and RS-485 fiber-optic converter represent also one physical station each the RS-485 bus line. That means that the power supply unit the beginning the line has to provide higher voltage compensate the voltage drops due the line resistance.2006 PR0FIBUS-DP_PowerSupply-via-Bus-Cable_Calculation-Berechnung_05-2006. All slaves even the slave ost distant from the supply unit need supplied with min