Electrical connection
Leuze electronic
MLD 300, MLD 500
57
7.3.3 Operating mode 3 (sequence controlled 2-sensor muting):
• Start/restart interlock is selected
• Contactor monitoring is selectable
• Second muting signal can be connected via the machine interface (i.e. signal comes from the con
-
trol)
Figure 7.13: Connection example MLD 330, MLD 530 (transmitter-receiver system): timing controlled 2-
sensor muting with muting timeout 8 h (transceiver connected in an analogous manner)
Figure 7.14: Connection example MLD 335, MLD 535 (transmitter-receiver system): timing controlled 4-
sensor muting (transceiver connected in an analogous manner)
0V
0V
MLD300-T, MLD500-T
n.c.
-W1
-W2
6
4
3
-W1
5
-W2
7
2
1
-A2
4
3
2
1
-A1
PE
+24V
0V
+24V
PE
0V
MS2
n.c.
5
n.c.
MLD330-R, MLD530-R
+24V
+24V
EDM
RES
OSSD2
OSSD1
8
M-EN/T
O
-K1
-K2
K2
K1
Var. B
Var. A
-K1
-K2
-K2
-K1
FE
FE
MS2
3
2
1
MS1
4
RES/LMP
+24V
SH
-W3
BN
BU
WH
“M”
x1
x2
-MS1
+ -
-MS2
+ -
5
0V
FE
BK
GY
WH
PK
GN
BN
GY
BN
RD
BU
SH
BU
SH
0V
0V
MLD300-T, MLD500-T
n.c.
WH
PK
GN
BU
-W1
BU
-W2
6
BN
4
3
-W1
BN
5
-W2
7
2
1
-A2
4
3
2
1
-A1
GY
PE
+24V
0V
+24V
PE
0V
MS2
n.c.
5
n.c.
MLD335-R, MLD535-R
+24V
+24V
EDM
RES
OSSD2
OSSD1
8
M-EN/T
O
SH
SH
-K1
-K2
K2
K1
Var. B
Var. A
-K1
-K2
-K2
-K1
FE
FE
+24V
3
2
1
MS1
4
RES/LMP
MS4
SH
-W3
WH
GN
BN
“M”
x1
x2
-MS2
+ -
-MS4
+ -
5
MS2
FE
YE
GY
PK
MS3
6
-MS1
+ -
-MS3
+ -
0V
7
BU
RD
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