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Electrical connection
Leuze electronic
MLD 300, MLD 500
56
7.3.2 Operating mode 2 (muting timeout 8 h):
• Start/restart interlock is selected
• Contactor monitoring is selectable
• Muting timeout is max. 8 h
• If a second muting signal is supplied e.g. by a control, this can also be connected here at the 8-pin
plug.
Table 7.9:
Selection of the operating mode and other functions
Figure 7.12: Connection example MLD 335, MLD 535 (transmitter-receiver system): timing controlled 4-
sensor muting with muting timeout 10 min (transceiver connected in an analogous manner)
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
YE
PIN
Connection
Operating mode selection
2
+24 V
7
0 V
8
Bridge to pin 1
Other functions
1
RES (via start button at +24 V)
3
EDM (without EDM: +24 V; with EDM: 0 V via feedback circuit)
4
MS2 (second muting signal can also be connected here)
5
OSSD2
6
OSSD1
8
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