6. Configuration by operator/local admin
Design
The example applies to a Dual Line centralized
lubrication system with two zones (zone 1/
zone 2 (line 1/line 2)).
It is composed of the main components
Dual Line pump (1) with pressure-regu-
lating valve (2) and Dual Line feeders (15)
A main line (3) with a pressure switch (4) is
flanged to the pump and switches off the
pump once the set maximum pressure is
reached. The main line (3) connects the
pump outlet with the four 3/2 directional
solenoid valves for zone 1 (5/6) and zone 2
(7/8).
A model DDS50 differential pressure switch
(9 to 12) is fitted at the end of each line
ahead of the last feeder to monitor pressure/
changeover pressure.
Further, a piston detector is fitted on the last
feeders (13/14) to monitor the lubrication
cycles. Chapter 3 contains a general
functional description.
)See Figure 26 and Fig. 27
6.4.1 2-zone Dual Line centralized lubrication system with 3/2 directional solenoid valves and DDS50 differential pressure switch
Terminal +
Ground -
Analog ports
to terminal strip X3 and
digital ports to terminal
strip X2
LMC 301, electrical terminal diagram, Fig. 25
I 4
I 3
I 5
I 6
I 7
I 8
I 1
I 2
Ø 1
Ø 2
Ø 3
Ø 4
Ø 8
IMPORTANT NOTE
Only one operating voltage (24 VDC or
230 VAC) can be connected to terminal
strip 4.1 or 4.2. Do not operate two
different voltages within a terminal strip!
EN
64
Use a PE terminal on valves
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