[Al. 095_Sto Warning] - Mitsubishi Electric MR-J5-G Series User Manual

[AL. 095_STO warning]

• STO input signal turned off during servo motor stop.
[AL. 095.1_STO1 off detection]
Cause
1.
STO1 was not inputted correctly.
2.
While detection by [AL. 063 STO timing error]
has been enabled, STO1 was turned off
(enabled) under the following speed
conditions.
• Rotary servo motor speed: 50 r/min or lower
• Linear servo motor speed: 50 mm/s or lower
• Direct drive motor speed: 5 r/min or lower
3.
The servo amplifier has malfunctioned.
4.
STO is off (enabled) when a safety component
such as the safety logic unit MR-J3-D05 is
being used. The safety component has a
problem.
[AL. 095.2_STO2 off detection]
Cause
1.
STO2 was not inputted correctly.
2.
While detection by [AL. 063 STO timing error]
has been enabled, STO2 was turned off
(enabled) under the following speed
conditions.
• Rotary servo motor speed: 50 r/min or lower
• Linear servo motor speed: 50 mm/s or lower
• Direct drive motor speed: 5 r/min or lower
3.
The servo amplifier has malfunctioned.
Check/action method
Refer to the wiring diagram and correct the wiring. When the STO function is
not used, install the short-circuit connector attached to the servo amplifier on
CN8.
Refer to "USING STO FUNCTION" in the following manual.
MR-J5 User's Manual (Hardware)
Turn on STO1 (disabled).
Review the settings of "STO timing error selection" with the following
parameters.
[A]: [Pr. PF09.1 STO timing error selection]
[G] [WG]: [Pr. PF06.1 STO timing error selection]
Replace the servo amplifier, then check the repeatability.
Take corrective actions according to the troubleshooting for the safety
component being used.
Check/action method
Refer to the wiring diagram and correct the wiring. When the STO function is
not used, install the short-circuit connector attached to the servo amplifier on
CN8.
Refer to "USING STO FUNCTION" in the following manual.
MR-J5 User's Manual (Hardware)
Turn on STO2 (disabled).
Review the settings of "STO timing error selection" with the following
parameters.
[A]: [Pr. PF09.1 STO timing error selection]
[G] [WG]: [Pr. PF06.1 STO timing error selection]
Replace the servo amplifier, then check the repeatability.
1 SERVO AMPLIFIER TROUBLESHOOTING
1.3 Handling methods for alarms/warnings
1
Model
[A]
[G]
[WG]
Model
[A]
[G]
[WG]
93