YASKAWA E-7S SERVOPACK SGD7S Product Manual page 209

6.1 I/O Signals
6.1.2 Output Signals
Select whether /ALO1 to /ALO3 are used or /WARN, /BK and /S-RDY are used with the param-
eter below.
PnB51
/WARN (Warning) Signal
This signal is for an error or warning issued before the occurrence of an alarm. A signal is out-
put for only 2 seconds for errors. A signal is continuously output for warnings until the cause of
the warning is removed. There is no need to stop operation.
The /WARN signal is allocated to CN1-1 and CN1-2 by default.
Type
Output
Note: You can use PnB51 to allocate the /ALO1 to /ALO3 signals instead of the /WARN, /BK, and /S-RDY signals.
Refer to the following section for details.
You can change the setting for the /WARN signal with PnB1C.
PnB1C
 Setting the Warning Code Output
You can use the /ALO1 to /ALO3 (Alarm Code Output) signals to output warning codes. Use
Pn001 = n.X (Warning Code Output Selection) to set the output.
Refer to the following sections for details on the warnings.
15.3.1 List of Warnings on page 15-53
Parameter
Pn001
/BK (Brake) Signal
Refer to the following section for details.
5.11.2 Allocating the /BK (Brake) Signal on page 5-32
/S-RDY (Servo Ready) Signal
The /S-RDY (Servo Ready) signal turns ON when the SERVOPACK is ready to accept the /S-
ON (Servo ON) input signal. The /S-RDY signal is turned ON under the following conditions.
• Main circuit power supply is ON.
• There is no hard wire base block state.
• There are no alarms.
• If a Servomotor without a polarity sensor is used, polarity detection has been completed.
6-8
Parameter
0 Does not output /ALO1 to /ALO3. (/WARN, /BK, and /S-RDY
(default setting) are output.)
Outputs /ALO1 to /ALO3. (/WARN, /BK, and /S-RDY are not
1
output.)
Signal Connector Pin No.
CN1-1 and CN1-2
/WARN
(default setting)
Alarm Code (/ALO1 to /ALO3) Signals on page 6-7
Parameter
0000h When an error/warning occurs (error/warning status), the
(default setting) /WARN signal turns ON (closes).
When an error/warning occurs (error/warning status), the
0001h
/WARN signal turns OFF (opens).
Output only alarm codes on the /ALO1 to /ALO3

n.0
terminals.
Output both warning codes and alarm codes on

n.1 the /ALO1 to /ALO3 terminals. If there is an
alarm, the alarm code is output.
Meaning
Signal Status
ON (closed) Warning
OFF (open) Normal status
Meaning
Description
When Enabled
After restart
Meaning
When Enabled
After restart
When Enabled Classification
After restart Setup