Servo drive system switches axes on the fly
A
B and R Industrial Automation Corp product story
Edited by the Engineeringtalk editorial team
Jul 14, 2005
A high level of flexibility and low costs are the obvious advantages of electronic line shafts.
A high level of flexibility and low costs are the obvious advantages of electronic line shafts.
However, it's not always possible to bring them to a halt in the occurrence of a disturbance or a loss of power due to the residual energy remaining in the drives.
Using software to handle the coupling instead of the proven line shaft can cause the axes to collide and the machine or system to be damaged.
To avoid these types of situations, B and R has implemented some extremely important features into the B and R Acopos servo drive system.
One of these features is able to switch over to an alternative axis on-the-fly to handle the control functions in case of an error in the defined leading axis (eg encoder failure).
Additional features include using Ethernet Powerlink to communicate important positioning data for one axis directly to the other axes, braking at the voltage limit, keeping the cam profile group together until it reaches extremely low speeds, and bumpless restarting of speed and position control.
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