ETEL Doc. - Operation & Software Manual # DSC2P 903 / Ver. F / 3/6/05
Chapter C: System functions
Operation & Software Manual
Direct Drives & Systems
155
The motor starts revolving endlessly in the positive direction with an acceleration of 300000 and a speed of
200000. It is a
trapezoidal
movement.
There are two ways to stop an infinite rotary movement. The BRK command can be used so that the motor
brakes with the deceleration contained in K206 and stops. The final position is not determined by the user.
BRK.1
The motor brakes with the deceleration contained in K206 and stops.
The POS command can also be used to stop the motor in a determined position with the acceleration defined
with ACC command in parameter K212.
POS.1=15000
The rotary movement stops with the acceleration defined with ACC in position 15000.
If this position has already been passed in the present cycle, or if the programmed
acceleration is not big enough to reach it, the motor will stop there during the next
cycle.
13.3.3.2 Stopping an infinite rotary movement
a) Using BRK command
Note:
Using the BRK command is generally recommended, as it is smoother for the machine (takes
parameter K206 into account).
b) Using STP command
Note:
Using the STP command is generally not recommended, as it is very sharp for the machine.
c) Using POS command
The motor is revolving with a constant speed (parameter K211) and its acceleration is limited (parameter
K212).
the command BRK is executed
K27
0
the command STP is executed
K27
0
0
K27
one turn
Pos 0
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