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Assembly
A:
PLC-terminal strip inputs
B:
PLC-terminal strip
outputs
l1:
Cable white, output OK
l2:
Cable black, output Err
l3:
Cable brown, voltage
supply
B05 No signal green
B06 No signal red
B08 Cable break
1
):
Connect output B04
directly to the input B13,
if B11 B12 is not to
be used.
2
):
When using B13, l3:
Fault indication only
when the lubrication
unit is powered.
3
):
B11, B12 optional
Q1:
Output Q1 = High if:
• normal function
Q2:
Output Q1 = High if:
• Oil container empty
Q3:
Output Q2 = High if:
• Malfunction
• Cable break
Bosch Rexroth AG, MIT: LU 2, 3 842 358 814/2018-12
B02
on delay
50 sec
2
in
l2
B06
1
inv
B05
1
inv
1
in
l1
3
in
l3
A
Fig. 20:
PLC programming suggestion with three output signals
1
)
B07
B04
B10
1
1
on delay
or
120 sec
or
B08
&
and
B12
B01
1
B09
&
or
on delay
and
50 sec
2
)
B03
Q1
1
Set
Q
out
Reset
latching relay
Q2
1
out
3
)
B11
B13
Q3
&
Set
Q
1
out
Reset
and
latching relay
B
358 814-15