Grundfos MAGNA 2000 Series, Installation And Operating Instructions Manual

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18
7.11 Wiring diagrams for expansion modules
Fig. 15 GENI module Fig. 16 LON module
Note:
• If the 0-10 V input is used, there must be a connection across terminals MIN and (input for min. curve
must be closed).
• All cables used must be heat-resistant up to +85 °C.
• All cables used must be installed in accordance with EN 60204-1 and EN 50174-2: 2000.
Concerning demands on signal wires and signal transmitters, see section 11. Technical data .
Connection examples (GENI module) can be found on pages 343 to 346.
TM
0
2
0
236
1
007
TM
02
0
237
09
04
Warning
• Wires connected to
– supply terminals,
– outputs NC, NO, C and
– start/stop inputs, A, Y, B, MIN,
MAX, 10 V
must be separated from each other
and from the supply by reinforced
insulation.
• All wires connected to a terminal
block must be tied up at the
terminals.
Warning
• Twisted-pair cable.
• Wires connected to
– supply terminals,
– outputs NC, NO, C and
– start/stop inputs, A, B
must be separated from each other
and from the supply by reinforced
insulation.
• All wires connected to a terminal
block must be tied up at the
terminals.
4
X Q Z B Y A MIN
MAX 10 V
5 6 7 9 10 11 12 21 22 23
DC 0-10 V
Min.
Screen
Max.
Bus signal
Min. curve
Max. curve
Analog 0-10 V input
Twin-head
pump
B A
Bus signal