7-11
Torque limit function
7-11-1
Torque Limit Function Settings
The torque limit function is for limiting the output torque of the motor.
• With the torque limit function, the following torque limit values are applied according to torque limit
switching 1 and 2, analog voltage and operation state allocated to 1st Drive Control Selection
(3004Hex-2BHex)/2nd Drive Control Selection (3009Hex-0FHex), Torque Limit Operation Selection
(3008Hex-4CHex) and multifunction input.
Control
Method
Torque Limit Op-
eration Selection
3008Hex-4CHex
Multi-function Input
Analog in-
put
Operation
state
Torque limit val-
ue to be applied
TRQ1 TRQ2
V/f control -
OFF
-
Available
*1
Power run-
ning
*2
Analog input
Regenera-
tion
*2
Not availa-
ble
Power run-
ning
3004Hex-29Hex
Regenera-
tion
3004Hex-2AHex
ON -
Power run-
ning
3005Hex-11Hex
Regenera-
tion
3005Hex-12Hex
Vector con-
trol
0: Four quadrants
independent
- -
Available
1st quad-
rant
Analog input
Not availa-
ble
3004Hex-29Hex
-
2nd quad-
rant
3004Hex-2AHex
3rd quad-
rant
3005Hex-11Hex
4th quad-
rant
3005Hex-12Hex
1: Four quadrants
identical
OFF OFF
Available
-
Analog input
Not availa-
ble
3004Hex-29Hex
ON OFF
-
3004Hex-2AHex
OFF ON 3005Hex-11Hex
ON ON 3005Hex-12Hex
*1. To enable analog input, set “7: Analog torque limiter” to Input Terminal [AI1] Function Selection
(3005Hex-3EHex).
*2. Power running indicates the 1st and 3rd quadrants, and regeneration indicates the 2nd and 4th quad-
rants.
• Setting “184: TL (torque limit enabled)” to Input T
erminal [DI1] to [DI7] Function Selection
(3005Hex-02Hex to 3005Hex-06Hex, 3005Hex-63Hex, 3005Hex-64Hex) enables the torque limit
function only when the TL is input.
7 Vector Control and Applied Functions
7-82
M1 Series EtherCAT Type User’s Manual (I670)
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