Festo Вакуумные генераторы VADMI - Handbuch (Seite 29)

Technical specifications General specifications:
Design Vacuum generator with controlled Laval nozzle
Fitting position As desired
Medium Filtered, non-lubricated compressed air (filter fineness min. 40
μ
m)
Operating pressure 1.5 ... 8 bar (with VADMI-45-... to VADM(I)-70-...)
2 ... 8 bar (with VADM(I)-95-... to VADM(I)-300-...)
Permitted temperature range 0 ... + 50 °C
Power consumption of the solenoids 1,5 W
Supply voltage for solenoid valve: + 24 V DC
±
10%; + 24 V DC +10%/-5%(with VADMI-70-LS-P/N)
vacuum switch: + 15 ... 30 V DC (rated value 24 V DC)
Temperature influence on switching point and hysteresis max. 10 mbar/10 K
Voltage drop at switching output max. 1.8 VDC
Switching output current 130 mA
Internal current consumption 25 mA (with VADMI-...-LS
≥
25 mA)
Setting range: vacuum switching point
hysteresis 0 ... max. -0.9 bar - 0.2 ... max. -0.9 bar (only with VADMI-...-LS-P/N)
0.05 ... max. 0.5 bar 0.1 ... max. 0.6 bar (only with VADMI-...-LS-P/N)
Electrical connection Protected against incorrect polarity
EMC Immunity to interference as per DIN EN 61000-6-2 (industry)
Interference emission as per DIN EN 61000-6-4 (industry)
Max. permitted signal cable length 30 m
Protection class IP65 in conjunction with connection sockets as per accessories
Materials Housing: Al
Internal parts:
brass
Silencer cover: POM
Silencer insert: polyethylene, sintered
Slotted head screws: St
Filter: polyethylene
fabric/PA 66
Filter cover: PC
Slide: PA 6
Seals: NBR
Lubrication: silicon
free
Vacuum switch
housing: PET/
PA
Fig. 42
13
0503i D/GB 29