Parameters
Speed control under Real sensorless vector control, vector control, PM sensorless vector control
FR-A800
5 - 93
Torque limit level using parameter settings (Pr. 810 = "0", Pr. 812 to Pr. 814)
●
The torque is limited by parameter setting. (Internal torque limit 1)
●
In the initial value, a limit is applied to all quadrants with Pr. 22 "Stall prevention operation level
(Torque limit level)".
●
To set individually for each quadrant, use Pr. 812 "Torque limit level (regeneration)", Pr. 813 "Torque
limit level (3rd quadrant)", Pr. 814 "Torque limit level (4th quadrant)". When "9999" is set, Pr. 22
setting is regarded as torque limit level in all the quadrants.
Torque limit level using analog input (terminals 1, 4) (Pr. 810 = "1", Pr. 858, Pr. 868)
●
The torque is limited with the analog input of terminal 1 or terminal 4 (external torque limit).
●
Torque limit using analog input is valid with a limit value lower than the internal torque limit (Pr. 2,
Pr. 812 to Pr. 814). (If the torque limit using analog input exceeds the internal torque limit, the
internal torque limit is valid.)
●
When inputting the torque limit value from terminal 1, set Pr. 868 "Terminal 1 function assign-
ment" = "4". When inputting from terminal 4, set Pr. 858 "Terminal 4 function assignment" = "4".
●
When Pr. 858 = "4" and Pr. 868 = "2", the torque for regenerative driving is limited with the terminal
1 analog input, and the torque for power driving is limited with the terminal 4 analog input.
Fig. 5-14:
Torque limit level by parameter setting
I001502E
I002507E
Fig. 5-15:
Torque limit level by analog input
Forward
driving
Forward
regeneration
Reverse
driving
Reverse
regeneration
Rated speed
Speed
Torque limit
quad 4
(Pr. 814)
quad 1
(Pr. 22)
quad 3
(Pr. 813)
quad 2
(Pr. 812)
Forward
rotation
Reverse
rotation
+
-
∗
∗
∗
∗
+
-
Forward
driving
Forward
regeneration
Reverse
driving
Reverse
regeneration
Rated speed
Speed
quad 4
(Pr. 814)
quad 1
(Pr. 22)
quad 3
(Pr. 813)
quad 2
(Pr. 812)
Forward
rotation
Reverse
rotation
Forward
driving
Forward
regeneration
Reverse
driving
Reverse
regeneratio
Rated speed
Terminal 4 input or internal
torque limit whichever is smaller
Torque limit
quad 4
quad 1
quad 3
quad 2
Forward rotation
Reverse rotation
Torque limit
* Analog input (terminal 1, 4) or internal torque control (Pr. 22 etc.) whichever is smaller
When Pr. 858 = 4, Pr. 868 = 2
Speed
Terminal 4 input or internal
torque limit whichever is smaller
Terminal 4 input or internal torque
limit whichever is smaller
Terminal 4 input or internal
torque limit whichever is smaller
Содержание FR-A820-00046 (0.4K)
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Страница 144: ...System configuration for Ethernet communication FR A800 E Installation and wiring 2 114 ...
Страница 202: ...Basic operation procedure JOG operation Basic operation 4 32 ...
Страница 1090: ...Check first when you have a trouble Protective functions 6 50 ...
Страница 1110: ...Measurement of main circuit voltages currents and powers Precautions for maintenance and inspection 7 20 ...
Страница 1188: ...EC Declarations of Conformity Appendix A 48 A 7 EC Declarations of Conformity A 7 1 FR A820 FR A840 FR A842 series ...
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