
PUB LS/P2 12133 EN · 1-1203-EN
L1
N
L1/S
PE
3 1 2
BU
BK
PE
BN
230V/115V 50/60Hz
XS1
+24V DC PELV
DS Signal
WS Signal
1 4 2
BN
BK
WH
XS2
3
BU
BK
BN
RD
1a
1
1b
BK
BU
C
1 32 4
BN
5 6
P
Q
87 9 1210 11
GY
GY
BK
BK
GNYE
DK
DS
WS
X1
1~
M
1)
2)
1)
Wiring diagram 1
1~
M
DK
RD
1a
1
1b
BK
C
3 3 4 51 2 5PE
BU
BK
BN
BN
SL
L1
N
L1/S
PE
3 1 2
BU
BK
PE
BN
230V/115V 50/60Hz
XS1
PNP
0V DC (M)
+24V DC PELV
DS Signal
WS Signal
3 1 42
BU
BN
BK
WH
XS2
P
7
GY
BN
BK
7 8 96
GY
DS
WS
BU
GNYE
X1
1)
1)
Wiring diagram 3
BU
BN
C
BK
1 32 4
N
L1/S
5 6
L1
230V/115V 50/60Hz
P
Q
GY
GY
BK
BK
87 9 1210 11
+24V DC PELV
DS Signal
WS Signal
1~
M
DS
WS
X1
PE
1)
2)
1)
Wiring diagram 2
RD
1a
1
1b
BK
C
3 3 4 51 2 5PE
BU
BK
BN
BN
X1
L1
N
L1/S
PE
230V/115V 50/60Hz
+24V DC PELV
DS Signal
WS Signal
P
7
GY
BK
BK
7 8 96
GY
GNYE
Q
SL
DK
DS
WS
1~
M
1)
2)
1)
Wiring diagram 4
Electrical connection / control
Types A + B with and without monitoring
Example: MKU1.. no control, with pushbutton DK, 2 plug connectors,
fill level switch opens at min.
1)
Optional
2)
Optional, contact closes at min. fill level
Key to wiring diagrams 1–7
M = pump motor
C = capacitor
L1/S/N = connection for operating voltage
PE = protective earth connection
WS = lubricant level switch
DS = pressure switch
DK = pressure switch for interim lubrication
SL = indicator lamp (green) “Operation”
SL1 = indicator lamp (green) “Operation”
SL2 = indicator lamp (red) “Fault”
XS1 = plug connector as per DIN EN 175301-803 A
XS2 = plug connector M12×1
X1 = terminal strip
MK = machine contact
DL = compressed-air circuit-breaker
Y1 = compressed air valve
Example: MKU1.. no control, 2 cable fittings, fill level switch opens
at min.
1)
Optional
2)
Optional, contact closes at min. fill level
Example: MKF2.. no control, with pushbutton DK, 2 plug connectors,
fill level switch opens at min.
1)
Optional
Example: MKU2.. no control, with pushbutton DK, 2 cable fittings,
fill level switch opens at min.
1)
Optional
2)
Optional, contact closes at min. fill level
The pump units of types A + B come equipped with a
pressure switch
and/or fill level switch, as desired.
The pump units are controlled by the machine control system,
which also processes the signals from the monitoring functions (for
pressure build-up and lubricant fill level). Electrical connections are
made using DIN built-in connectors or cable fittings.
If cable fittings are used, the power cables are connected directly
to the terminal strip located under the cover cap, as shown on the
applicable terminal diagram.
15
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