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6 FUNCTIONAL SAFETY
6.5 Troubleshooting
Parameters related to [Pr. PSA02.1 Position/Speed monitor setting] and operation mode
: Available
: Available (servo motor with functional safety is required)
[Pr. PSA02.1 Position/Speed monitor setting] and fully closed loop control selection
parameters
When [Pr. PA01.4 Fully closed loop operation mode selection] is set to "1 (enabled)", set [Pr. PSA02.1 Position/Speed monitor
setting] to "2 (Monitor the speed without using a servo motor with functional safety.)".
Parameters related to [Pr. PSA18 SSM speed]
Make the setting value of [Pr. PSA18 SSM speed] greater than that of [Pr. PSA19 SSM hysteresis width].
Parameters related to [Pr. PSA23 Servo motor rated speed]
For [Pr. PSA23 Servo motor rated speed], set the rated speed of the connected servo motor.
Parameters related to [Pr. PSB10 SLT torque upper limit value 1] to [Pr. PSB13 SLT
torque upper limit value 4]
Set a larger value than the SLT torque lower limit value to the SLT torque upper limit value.
[Pr. PSA02.1 Position/Speed monitor
setting]
0
"Do not monitor the
position/speed."
1
"Monitor the position/
speed using a servo motor
with functional safety."
2
"Monitor the speed without
using a servo motor with
functional safety."
[Pr. PSA02.3
Operation mode
selection]
0: Standard control
mode
4: Linear servo motor
control mode
6: Direct drive motor
control mode
Function
Setting details
SLT1
[Pr. PSB10 SLT torque upper limit value 1]
≥
[Pr. PSB14 SLT torque lower limit value 1]
SLT2
[Pr. PSB11 SLT torque upper limit value 2]
≥
[Pr. PSB15 SLT torque lower limit value 2]
SLT3
[Pr. PSB12 SLT torque upper limit value 3]
≥
[Pr. PSB16 SLT torque lower limit value 3]
SLT4
[Pr. PSB13 SLT torque upper limit value 4]
≥
[Pr. PSB17 SLT torque lower limit value 4]