FANUC Series 16/18/160/180-Model C Connection Manual (Hardware)

B–62753EN/01
6. CONNECTION OF I/O UNITS TO
MACHINE INTERFACE
109
The input signal of the operators panel connection unit is 0V common
non-insulation type interface as shown below.
Fig. 6.5.1(a) Receiver circuit
+24V
Filter and level
converter circuit
Receiver
output
signal
Receiver circuit
Direct
current
input
signal
Operator’s panel connection unit
Machine
tool
Fig. 6.5.1(b) Width of input signals and delay time
5 to 22ms
5 to 22ms
Logi 0
(more
than 18V)
Direct current
input signal
OFF (High)
ON (Low)
(Signal)
Chattering of 5ms
or less is ignored
Receiver output
signal
(Signal)
Logi 1
(less
than 6V)
In the above figure, it is logic 0 when the contact is open and logic 1 when
closed.
Connect the common line of the input signal of the operators panel
connection unit as shown below.
Machine tool
Connector
CM1
Connector
CM2
DI00 to DI57
COM1
Operator’s panel
connection unit
DI60 to DIB7
COM2
Fig. 6.5.1(c) Connection of common lines
6.5.1
Input Signal
Regulations for
Operators Panel
Connection Unit

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