Burkert 8691 - 6.5 Operating conditions; 6.5.1 Fluidic data; 6.5.2 Electrical data

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Technical data
6.5 Operating conditions
Ambient temperature See type label
Degree of protection
Evaluated by manufacturer: IP65, IP67 as per EN 60529*
Evaluated by UL: UL type 4x Rating*
6.5.1 Fluidic data
Control medium Neutral gases, air
Quality classes as per ISO 8573-1
Dust content Class 7 Max. particle size 40 µm,
max. particle density 10 mg/m³
Water content class 3 Max. pressure dew point -20°C or
min. 10°C below lowest operating temperature
Oil content Class X Max. 25 mg/m³
Pressure range 3–7 bar
Temperature range -10 to +50 °C
Pilotvalveairowrate 250 l
N
/ min (for aeration and deaeration)
(Q
Nn
-valueaccordingtodenitionforpressuredropfrom7to6
bar absolute)
Connections Internal thread G 1/8 “
6.5.2 Electrical data
NOTE
ForvariantswithuULusapproval,pleasenote:
▶ Only use circuits of limited power as per UL NEC Class 2.
6.5.2.1 Electrical data, IO-Link
Protection class 3asperDINEN61140(VDE0140-1)
Connection Circular plug-in connector M12 x 1, 4-pin, Port Class A
Operating voltage
18–30VDC(accordingtospecication)
Max. current consumption 135mA@18V(incl.inrushcurrentpilotvalvefor200ms)
Current consumption input during normal
operation
110mA@18V
(after current reduction,
pilotvalveafter200ms
and 1 end position reached)
* Only if cables, plugs and sockets have been connected correctly and in compliance with the exhaust air concept see chapter “Pneu-
matic installation”.
english
Type 8691, Rev. 2