WDOG OFF for independent axes
Is there a way to turn off the WDOG for just one motor? We have some motors that have magnetic coupling shafts. when the motor stops, there is some oscillation because shaft is bouncing between the two poles of the magnet and the motor is trying to correct. turning the WDOG off solves it but other motors may still be running at the same time.
===========================================================
Yes, leave the WDOG ON and set these axis parameters.
AXIS_ENABLE AXIS(1) = OFF
AXIS_ENABLE AXIS(2) = OFF
It will set the EtherCAT enable bits in the control word to OFF.
Also works for the MC508 axes which have 8 WDOG outputs and MC405/MC403 which have independent Enable outputs for stepper motors.
Related Articles
STO enable/disable ethercat
With Nidec CT EtherCAT drives you must set AXIS_ENABLE to 0 after the STO and then set it to 1 when the STO is removed. This type of sequence is different for different drives so it's not possible to say that you must do it for all drives with STO. ...
Ethercat drive disable problem with Panasonic A6B
Panasonic A6B EtherCAT servo drives have a ramp down to stop feature that is enabled by default. This means when the Master sets the control word to $06 (Disable) the drive will ramp down the speed to zero and only then disable the drive. This takes ...
Linking Motion of Two Axes
If needed, make the second motor direction the same as the first. Either reverse it in the servo-drive, or you can put the following 2 commands in the startup: STEP_RATIO(-1, 1) ENCODER_RATIO(-1, 1) It will be easier to use CONNECT etc. because you ...
How many axes work synchronously in the Euro408?
In all the Motion Coordinators it is possible to run all axes synchronously. There is no limit. So in the Euro404 you can run all 4 axes with for example a MOVEABS(x, y, z, a) In the Euro408 you can run all 8 axes with MOVEABS(x, y, z, a, b, c, d, ...
LinMot latest Drive support DS402 homing & Torque control
LinMot have updated their firmware to include Position, Speed & Torque control now. The respective CoE objects are mapped in the fixed PDO profiles. The below LinMot Drives with Firmware 6.10 able to support this profiles In the attached EC_EXTEND, ...