
B–63783EN/01
6. CONNECTION OF I/O UNITS TO
MACHINE INTERFACE
63
Table 6.1 Types of machine interface I/O (for FANUC I/O Link)
Unit ReferenceDescription
Sink–type output
operator’s panel
connection unit
Unit having an interface with a machine
operator’s panel.
Sec. 6.9
Source type output
operator’s panel
connection unit
Unit having an interface with a machine
operator’s panel; a source type output
circuit is used in the DO signal output
driver.
Sec. 6.10
CAUTION
1 The emergency stop signal should be simultaneously input
to the CNC control unit and servo unit so that the power
supply to the motor is interrupted. For detailed connection
of the servo emergency stop signal, refer to “FANUC Servo
Amplifier a series (B–65162E).”
2 The input signals X006.0 to X006.7 include an emergency
stop signal. These signals require a sink–type connection.
Unit Description Reference
Machine operator’s
panel
Machine operator’s panel having remov-
able, customizable keytops on the opera-
tor’s panel and keyboard
Section 6.12