Input Signals; Output Signals - YASKAWA SGD7S Product Manual

6.1 I/O Signal Descriptions
This section describes the I/O signals.
You can confirm the status of I/O signals on the I/O signal monitor. Refer to the following sec-
tion for information on the I/O signal monitor.
9.2.3 I/O Signal Monitor on page 9-6
6.1.1

Input Signals

CCW-OT (CCW Drive Prohibit Input) Signal and CW-OT (CW
Drive Prohibit) Signal
Refer to the following section for details.
5.10.1 Overtravel Signals on page 5-28
/HOME (Origin Signal Input) Signal
Refer to the following section for details.
12.2.2 Parameter Settings on page 12-3
EXSTOP (External Stop Input) Signal
Refer to the following section for details.
6.13 External Stop Function on page 6-34
6.1.2

Output Signals

ALM (Servo Alarm) Signal
This signal is output when the SERVOPACK detects an error.
Configure an external circuit so that this alarm output turns OFF the main circuit power supply to
the SERVOPACK whenever an error occurs.
Important
Type Signal
Output ALM
 Alarm Reset Methods
Refer to the following section for information on the alarm reset methods.
14.2.3 Resetting Alarms on page 14-43
/WARN (Warning) Signal
Both alarms and warnings are generated by the SERVOPACK. Alarms indicate errors in the
SERVOPACK for which operation must be stopped immediately. Warnings indicate situations
that may results in alarms but for which stopping operation is not yet necessary.
Type Signal
Output /WARN
Connector Pin No. Signal Status
ON (closed)
CN1-3 and CN1-4
OFF (open)
Connector Pin No. Signal Status
ON (closed)
CN1-23 and
CN1-24
OFF (open)
6.1 I/O Signal Descriptions
Meaning
Normal SERVOPACK status
SERVOPACK alarm
Meaning
Warning
Normal status
6.1.1 Input Signals
6
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