Lenze Drive PLC Developer Studio 9300 Servo PLC (V8.x) Manual do Utilizador descarregar pdf (Página 64)

2.12 MCTRL_MotorControl (node number 131)

9300 Servo PLC

System blocks

2−50

9300 Servo PLC EN 5.0

2.12.5 Torque limitation

Via MCTRL_nLoMLim_a and MCTRL_nHiMLim_a you can set an external torque limitation. This

means that different torques can be selected for the quadrants "driving" and "braking".

 MCTRL_nHiMLim_a is the upper torque limit in [%] of the max. possible torque.

 MCTRL_nLoMLim_a is the lower torque limit in [%] of the max. possible torque.

 The max. possible torque is set under C0057. (^ 2−49)

Stop!

Only set positive values in MCTRL_nHiMLim_a and negative values in MCTRL_nLoMLim_a,

otherwise the speed controller may be unable to perform its intended control function. This can result

in an uncontrolled acceleration of the drive.

Tip!

 If MCTRL_nHiMLim_a is not assigned (free), the upper torque limit automatically is 100 % of

the max. possible torque.

 If MCTRL_nLoMLim_a is not assigned (free), the lower torque limit automatically is −100 % of

the max. possible torque.

 At quick stop (QSP) the torque limitation is deactivated, i.e. the drive is operated with 100 %.

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Lenze Drive PLC Developer Studio 9300 Servo PLC (V8.x) Manual do Utilizador Página 64