I am the end user of the fanuc automation robot (Lrmate 2000id, R30 controller). I received an alarm "SRVO-403, DCS Cart Speed limit (No 1: G2 limit CTRL G2)" two weeks ago
The robot was installed in 2020, and there was no problem before
So I tried very hard to solve it, but I couldn't
The auxiliary axis speed seems to have exceeded the limit (dcs Cartesian speed limit exceeded)
limit : 330mm/s, when exceeding : up to 2000mm/s ~
No alarm when robot is stationary
The manual mode (tp on, controller t1 or t2) allows me to control the robot freely
But when i start the robot in automatic mode (tp off, controller auto)
The robot speed immediately exceeded the dcs limit and an srvo alarm occurred.
When the dcs speed limit is disabled, the robot moves at high speed on the rail without stopping
All parameters have been identified with auxiliary axis such as acceleration while moving, dcs speed limit changes, mechanical parts (rail, auxiliary servo gear, energy chain, guide roller)
and electrical components (aux servo, pulse coder)
There are also no alarms for electrical components.
Someone told me that it causes the servo motor to operate at high speed due to the high friction applied to the rail while moving. Is this possible?
and also, what are the main causes of speed exceed while moving on rail? even though the speed is already defined.
thank you so much for your helps.