Electrical Installation (24 V Dc) - Burkert 8681 Guide Rapide

8.3. Electrical Installation (24 V DC)
DANGER!
Danger of explosion in explosive atmosphere
(only in the event of a fault as it is zone 2)!
• Opening the hood or the housing in an explosive atmosphere is
only allowed in a not energized state!
WARNING!
Risk of injury due to electrical shock!
• Before reaching into the system (except for the Teach-In procedure
in a non-explosive atmosphere) switch off the power supply and
secure it to prevent restarting!
• Observe applicable accident prevention and safety regulations
for electrical equipment!
Risk of injury from improper installation!
• Installation may be carried out by authorized technicians only and
with the appropriate tools!
Cable glands:
→
Open the housing.
→
Assemble connection cables for signals and power supply as well
as for the external initiator.
→
Insert cables through the respective cable glands into the interior
of the housing.
→
Secure the wires to the terminal strips according to the pin assign-
ments depicted in "Fig. 4"
14
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Type 8681
24VDC-Design
Teach-In-
buttons T1-3
Solenoid valve
connection with
status LED for
SV1
Terminal
strip 1
Fig. 4: Electronics module (24 V DC)
Terminal strip 1 Configuration
24 V Power supply 24 V
GND GND
S1 OUT Output position 1
S2 OUT Output position 2
S3 OUT Output position 3
S4 OUT Output external initiator
Y1 Input solenoid valve 1
Y2 Input solenoid valve 2
Y3 Input solenoid valve 3
Service
interface
DIP switches
for color
coding the
LED's
SV-connections
with status LED
for SV2, 3
Terminal strip 2
(for external
initiator)