Burkert Type 8791 - Manual (Page 11)

11
Technical data
6.6. electrical data with as-interface bus
control (optional)
Connections circular plug-in connector
(M12, 4 pole plug)
Supply voltage 29.5 V – 31.6 V DC
(according to specification)
Units without external supply voltage:
Max. power
consumption
150 mA
Units with external supply voltage:
External supply voltage 24 V ± 10 %, the supply voltage unit must
feature a secure disconnection in accor-
dance with IEC 364-4-41 (PELV or SELV)
Max. power
consumption
100 mA
Max. power
consumption
from AS interface
50 mA
6.7. pneumatic data
Control medium Quality classes in accordance with DIN ISO
8573-1
Dust content Class 5, max. particle size 40 µm, max. par-
ticle density 10 mg/m³
Water content Class 3, max. pressure dew point - 20 °C or
min. 10 degrees below the lowest operating
temperature
Oil content Class 5, max. 25 mg/m³
Temperature range
of compressed air
0 – +60 °C
Pressure range 1.4 – 7 bar
Air flow rate 95 l
N
/ min (at 1.4 bar 2) ) for aeration and
deaeration
150 l
N
/ min (at 6 bar 2) ) for aeration and
deaeration
(Q
Nn
= 100 l
N
/ min (according to definition for
pressure drop from 7 to 6 bar absolute).
Connections Internal thread G1/4“
2)
Pressure specifications: Overpressure with respect to
atmospheric pressure
english
Type 8791