Festo CMMT-ST-SW, Оригинальное руководство пользователя

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Timing
Status signal FE…
Initial state of FEX, FEV signals = 0
The signal is set under the following conditions:
–
The difference (current actual value / continuously determined setpoint value)
is outside the window
– AND this condition is fulfilled for at least the specified time.
0
à
1
The signal is reset under the following conditions:
–
The difference (current actual value / continuously determined setpoint value)
is within the window
– OR the target has been reached (target reached = TRUE).
1
à
0
Tab. 293 Status signals - Following error
t
Act
Set
Abs(Act – Set)
Window
FEx
t
2xWindow
t
x / v
t1
Fig. 75 Timing diagram: following error
Name Description
x/v Position and speed motion quantities
t1 Damping time
FEx Diagnostic message
Motion monitoring
315 Festo — CMMT-ST-SW — 2019-02