YASKAWA Sigma Mini SGMM Series User Manual page 39

Ac servomotors and driver
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Check input signals.
Using the Digital Operator, check the input signal wir-
ing in monitor mode. For the checking method, refer to
3.1.6 Operation in Monitor Mode.
Turn each connected signal line ON and OFF to check
that the monitor bit display changes accordingly as
shown below.
Input Signal
High level or open
0 V level
If the signal lines below are not wired correctly, the Servomotor fails to rotate. Always wire
them correctly. (If signal lines are not to be used, short them as necessary.) The signal lines
can be shorted externally by setting the memory switch.
Signal
Connector
Symbol
Pin No.
/S-ON
CN1-1
Turn ON servo (motor).
Turn ON the servo as follows:
Check that no reference has been input.
• Speed/torque control:
• Position control:
Set /S-ON to 0 V. If normal, the motor is turned
ON and the Digital Operator displays the data as
shown in the figure. If an alarm display appears,
take appropriate action as described in Appendix
D List of Alarm Displays.
Operate by reference input.
The operating procedure differs according to the Servopack control mode used.
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Example of
Un-05
/S-ON
ON/OFF
Monitor Bit Display
OFF
Not lit
ON
Lit
Description
Servo is turned ON when this input signal is at 0 V. However,
leave the servo in OFF status.
/S-ON
0V
V-REF and T-REF are at 0 V.
PULS and SIGN are fixed.
— 1-25 —
1.4Conducting a Test Run
Internal status bit display
(Un-05, Un-06)
/CL
/P-CON
Servopack
Servomotor
CN1-1
Turn the servo ON.
Display when Servo Is
Turned ON
1

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