Variable torque limiting Q1

The "Variable torque limiting Q1" additional function allows the application to specify the torque in 0.1% × nominal motor torque. The torque is limited to the "Minimum torque" configured in the Torque limiting configuration menu. In fieldbus operation, the process data length is extended with two process data words.

INFORMATION

In the 100 Jog position-controlled (FCB 20) operating mode, it is not possible to deactivate the lag error monitoring. Therefore, use the 101 Jog speed-controlled (FCB 05) operating mode

For devices as from FW 9, torque limiting Q1 acts in the following drive functions:

• FCB 05 Speed control (speed-controlled jog mode)
• FCB 09 Position control (positioning mode)
• FCB 10 Interpolated position control
• FCB 12 Reference travel (referencing mode)

If the "Use torque limits from profile value connection" parameter is activated in the Torque limiting configuration menu, torque limiting Q1 also acts in the following drive functions instead of the "Torque" configured in the Limit values configuration menu:

• FCB 02 Stop standard (no operating mode selected – value "0")
• FCB 13 Stop at application limit (enable/application stop, fault response)
• FCB 14 Emergency stop (enable/emergency stop, fault response)
• FCB 26 Stop at user-defined limits (when operating mode is changed)

For devices with firmware older than FW 9, torque limiting Q1 acts in the following drive functions:

• FCB 05 Speed control (speed-controlled jog mode)
• FCB 09 Position control (positioning mode)
• FCB 10 Interpolated position control

For the following drive functions, torque limiting Q1 does not act, but rather the "Torque" configured in the Limit values configuration menu:

• FCB 02 Stop standard (no operating mode selected – value "0")
• FCB 13 Stop at application limit (enable/application stop, fault response)
• FCB 14 Emergency stop (enable/emergency stop, fault response)
• FCB 26 Stop at user-defined limits (when operating mode is changed)