Alm (Servo Alarm) Signal; Alo1 To Alo3 (Alarm Code) Signals - YASKAWA SGD7S series Product Manual

6.1 I/O Signal Allocations

6.1.3 ALM (Servo Alarm) Signal

Checking Output Signal Status
You can confirm the status of output signals on the I/O signal monitor. Refer to the following
section for information on the I/O signal monitor.
9.2.3 I/O Signal Monitor on page 9-7
6.1.3

ALM (Servo Alarm) Signal

This signal is output when the SERVOPACK detects an error.
Important
Type
Output
Alarm Reset Methods
Refer to the following section for information on the alarm reset methods.
12.2.3 Resetting Alarms on page 12-42
6.1.4

ALO1 to ALO3 (Alarm Code) Signals

The ALO1 to ALO3 (Alarm Code) signals report alarms and warnings that occur in the SERVO-
PACK. Use the alarm code output signals as required to display the contents of the alarm at the
host controller (e.g., HMI).
Refer to the following sections for the relationship between the alarm code output and the
alarms/warnings.
12.2.1 List of Alarms on page 12-5
12.3.1 List of Warnings on page 12-48

ALO1 to ALO3 (Alarm Code) Signals

The ALO1 to ALO3 signals are allocated to the following output signal terminals (CN1) by
default.
Type
Output
You can allocate the ALO1 to ALO3 signals to connector pins other than those given above.
Refer to the following section for details.
6.1.2 Output Signal Allocations on page 6-8
6-10
Configure an external circuit so that this alarm output turns OFF the main circuit power supply to
the SERVOPACK whenever an error occurs.
Signal Connector Pin No.
CN1-31 and
ALM
CN1-32
Signal
ALO1
ALO2 Alarm Code Output
ALO3
SG Signal ground for alarm code output
Signal Status
ON (closed) Normal SERVOPACK status
OFF (open) SERVOPACK alarm
Name
Meaning
Pin No.
CN1-37
CN1-38
CN1-39
CN1-1