Electrical Data - Burkert 8681 Guide Rapide

9.4

Electrical data

Power supply of the solenoid valves (SVs):
Setting the power supply of the solenoid valves using jumpers
on the AS interface electronic module.
Standard: Via AS-i
29.5 ... 31.6 V DC according to specifi-
cation;
21.0 ... 31.6 V DC according to specifi-
cation Power24
Input/Proximity switch (external initiator: S4 in):
P ower supply:
Current carrying capacity
Sensor supply:
Design:
Inputs:
(from master perspective) 1 x external initiator
Outputs (from master perspective) / Solenoid valve:
Typ. switching capacity 0 .9 W (per solenoid valve, for 200 ms
Typ. continuous output 0 .6 W (per solenoid valve, from
Type 8681
AS-I design
Option: External
(19.2 V DC to
31.6 V DC)
Applied AS-i voltage at the
control head - 10%
Max. 30 mA; short-circuit protection
DC 2 and 3 wire, NO or NC;
PNP output
3 binary feedback signals and
after switching on)
200 ms after switching on)
Typ. pull-in current:
Typ. holding current:
Operating mode:
Central display of the switching statuses:
Power consumption:
Power supply via AS interface bus:
Max. power consumption
from AS-i:
Power consumption from AS-i
in normal operation:
Integrated short-circuit protection
External power supply to the solenoid valves:
Ext. power supply
T he power supply unit must feature a secure discon-
nection according to IEC 60364-4-41. It must conform to
the SELV standard. The ground potential must not have a
ground connection.
Power consumption from external
power supply:
Power consumption from AS-i for inpu ts
and display (LED):
Integrated short-circuit protection
english
30 mA or 0.9 W per sol. valve / 200 ms
20 mA or 0.6 W per sol. valve
Continuous operation (100% duty cycle)
ca. 33 mA or 1 W per illuminated
display shown (at 30.5 V AS-i voltage)
<160 mA (without external initiator)
<150 mA (3 active solenoid valves,
1 position feedback per LED, without
external initiator)
19.2 V DC to 31.6 V DC
<110 mA at 24 V DC (for 200 ms after
switching on of the 3rd solenoid valve)
< 150 mA (incl. external initiator,
feedback and error display)
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