Electrical connection
Leuze electronic
MLD 300, MLD 500
58
Table 7.10:
Selection of the operating mode and other functions
7.3.4 Operating mode 4 (sequence controlled 2-sensor muting with muting timeout 8 h):
• Start/restart interlock is selected
• No contactor monitoring
• If a second muting signal is supplied e.g. by a control, this can also be connected here at the 8-pin
plug.
PIN
Connection
Operating mode selection
2
0 V
7
+24 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
Figure 7.15: Connection example MLD 330, MLD 530 (transmitter-receiver system): sequence controlled
2-sensor muting (transceiver connected in an analogous manner)
0V
-W2
7
5
4
6
-W2
2
3
1
MS2
+24V
EDM
RES
OSSD2
OSSD1
8
M-EN/T
O
FE
0V
MLD300-T, MLD500-T
n.c.
-W1
-W1
-A2
4
3
2
1
-A1
PE
+24V
0V
+24V
PE
0V
n.c.
5
n.c.
MLD330-R, MLD530-R
+24V
-K1
-K2
K2
K1
Var. B
Var. A
-K1
-K2
-K2
-K1
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
BN
BU
SH
BN
SH
WH
PK
GN
BU
GY
RD
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