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21
6. WIRING DIAGRAMS
The meanings of the signs on the connection cards used in electric actuators are given
in the table below;
Symbols
Explanations
L
Live connection point on AC supply,
N
Neutral connection point on AC supply
24V
+24 V connection point on DC supply,
GND
-24 V connection point on DC supply,
+ IN
Positive (+) voltage or current pin connection point to be controlled
in proportional controls
- IN
Negative (-) voltage or current pin connection point to be checked in
proportional controls
+ OUT
Positive (+) voltage or current pin connection point where position
information is to be taken in proportional controls
- OUT
Negative (-) voltage or current pin connection point where ground
information is to be taken in proportional controls
COM
The connection point of the desired voltage to be taken from the
contacts of the micro switches,
NO
Normally open connection point for micro switches,
NC
Normally closed connection point for micro switches,
Ground Symbol
The connection point of the device ground connection,
Table 8.
Symbols and explanations on connection cards
Summary of Contents for TREA 0060
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