12.2 Power Supply Contactor Sequence Circuit Board (JANCD-NTU01-)
12-6
Cautions for Connection of Dual Input Signals
• Connect the switch (contact) that turns the dual signals ON and OFF
simultaneously.
If the timing that turns the two signals ON and OFF is not right, a disagreement alarm
occurs. Refer to the figure below.
• Do not connect two signals to the same contact point.
Since the power supply for each signal is reversed, it will short-circuit if the signals are
connected to the same contact point.
CAUTION
NX100
-19
-20
-21
-22
+24V2
Input signal 1
024V
Turn ON/OFF
at the same time
Input for the robot system
Input signal 2
Switch
CAUTION
NX100
-19
-20
-21
-22
+24V2
Input signal 1
024V
Input for the robot system
Input signal 2
Switch
Short-circuit current
The same contact
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