Grundfos TPE Betriebshandbuch Seite 14

NC C NO L1 L2 L3
0-10 V
0/4-20 mA 4-20 mA
1/0
B Y A
1 9 8 7
STOP
RUN
0-10 V
0/4-20 mA
10K
6 5 4 3 2
Fig. 8 Connection terminals - TPE, NKE, NKGE and NBE,
NBGE
14
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1: Digital input
9: GND (frame)
8: +24 V
7: Sensor input
B: RS-485B
Y: Screen
A: RS-485A
6: GND (frame)
5: +10 V
4: Setpoint input
3: GND (frame)
2: Start/stop
NC C
0-10 V
0/4-20 mA 4-20 mA
0/1
B Y A
1 9 8 7
STOP
RUN
0/4-20 mA 0-10 V
10K
6 5 4 3 2
Fig. 9 Connection terminals - TPED
A galvanic separation must fulfil the requirements for reinforced
insulation including creepage distances and clearances specified
in EN 60335.
5.3 Electrical connection - three-phase pumps,
11-22 kW
Warning
The user or the installer is responsible for the
installation of correct earthing and protection
according to current national and local
standards. All operations must be carried out by
qualified personnel.
Warning
Never make any connections in the pump
terminal box unless all electric supply circuits
have been switched off for at least 5 minutes.
Note for instance that the signal relay may be
connected to an external supply which is still
connected when the mains supply is
disconnected.
Warning
The surface of the terminal box may be above
70 °C when the pump is operating.
NO L1 L2 L3
1: Digital input
9: GND (frame)
8: +24 V
7: Sensor input
B: RS-485B
Y: Screen
A: RS-485A
6: GND (frame)
5: +10 V
4: Setpoint input
3: GND (frame)
2: Start/stop