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

B–62753EN/01
7. CONNECTION TO CNC PERIPHERALS
193
(1)Circuit configuration
NC
VH/VL
l
ih
/l
il
Driver
Shield
Receiver
(2)Absolute maximum rating
Input voltage range: Vin = –3.6 V to +13.6 V
(3)Input characteristics
Parameter Symbol Standard Units Remarks
Input high voltage VH 3.6 to 11.6 V
Input low voltage VL 0 to 1.0 V
Input high current Iih
0.5 max. mA V
in
= 5 V
9.3 max. mA V
in
= 10V
Input low current
Iil –8.0 max. mA V
in
= 0V
Notes
1. A positive Iih/Iil indicates that current is flowing into the
receiver, while a negative Iih/Iil indicates that current is
flowing out of the receiver.
2. A high–speed skip signal is assumed to be 1 when the input
voltage is low and 0 when the input voltage is high.
7.8.1
Receiver input signal
specifications for
high–speed DI signals

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