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Connection
Connecting the Nivocompact with Electronic Insert EC 42
(Three-Wire PNP) for DC
The load connected to Terminal 3 is switched by a transistor, contactless
and therefore without bounce.
Terminal 3 has a positive signal in normal switching mode.
The transistor is blocked on level alarm or with a power failure.
Connecting to an instrument with a high inductance:
a voltage limiter should be connected.
Transistor Circuit for Load
Protection Against Voltage Peaks
Fig. 11
Connecting the Nivocompact with electronic
insert EC 42 (PNP connection)
F:
Fine-wire fuse, load-dependent
R:
Connected load, e.g. PLC, PCS, relay
M: Ground connection to silo or
metal parts near to the silo
E:
Grounding
15
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