VACUUM LEAK DETECTOR
VLXE ..
31/10/2019
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(4) Terminal assignment: (See also block diagram Sec. 5.6.3)
1/2
Mains power supply connection (100…240 V AC)
PE
Earth for the mains power supply connection
3/4
assigned (vacuum pump)
5+/6-
External signal (assigned to internal buzzer if applicable)
24 V DC
9/10
Special contacts, the potential-free contacts of a leak
detection probe can be connected here.
11/12 Potential-free contacts (open in the event of an alarm
and in the event of a power failure)
12/13 as above, however closed contacts
17/18 Potential-free contacts, parallel to the pump start (closed
at pump standstill and in the event of a power failure)
18/19 as above, however open contacts
21/22 Connected (to internal pressure sensor)
40+/41- 24 V DC as permanent power supply for supplying other
components or the power supply is connected here for a
device using 24 V DC supply voltage.
(5) Only apply power when all electrical and pneumatic lines are
connected and the housing lid is closed.
5.6.1 Connection of the wires
(1) Press in the orange point using a screwdriver. This opens the
tension spring of the terminal.
(2) Insert cable into the opened terminal.
(3) Hold cable in place and remove screwdriver.
Installation