
11. OPTION RELATED TO SPINDLE
B–65162E/03
454
The external one–rotation signal switch (proximity switch) should satisfy
the following conditions.
(1) Two–wire DC proximity switch
NOTE
The proximity switch depends on the temperature. So,
when selecting an proximity switch, consider the ambient
temperature.
Item Specification
Supply voltage 24 VDC "1.5 V (24 VDC is supplied from the spindle
amplifier module.)
Response frequency 400 Hz or higher
Load current 16 mA or higher
Residual voltage 4 V or lower
Drain (leakage) current 1.5 mA or lower
(2) Three–wire DC proximity switch
Item Specification
Supply voltage 24 VDC "1.5 V (24 VDC is supplied from the spindle
amplifier module.)
Response frequency 400 Hz or higher
Load current 16 mA or higher
Residual voltage 4 V or lower
Drain current 50 mA or lower
(3) Receiver circuit
PU/PD
EXTSC
3.4k
39k
24V
91k
2k
75k
0V
0V
330pF
Level
converter
Level L:
EXTSC<4V
Level H :
EXTSC>17V
11.1.4.7
Specification of the
External One–rotation
Signal Switch