Festo Контроллер двигателя CMMD-AS - Manual (Page 57)

3. Product description
Festo P.BE-CMMD-AS-HW-EN 1002NH 57
Controller
release
START
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Limit switch E0
1
0
DOUT0: READY
DOUT1: MC
DOUT2: ACK
DOUT3: ERROR
Statusword
referenced
1
Limit switch E1
0
1
0
– +
STOP
1
0
t1 t1 t1 tx tx tx tx
Drive is moving
t1 = 1.6 ms
tx = x ms (dependent on ramps)
Fig. 3.6 Signal curve with abort through STOP input
3.7.6 Trajectory generator
With a start signal for a positioning set via DIN8, field bus or RS232
interface, the selected positioning set is loaded into the trajectory generator.
Based on the data record loaded, the necessary internal pre-calculations are made.
The pre-calculations can take from 1.6 to 5 ms. The following configurable options are
available for processing the start signal.
- A start signal detected during an ongoing positioning run is ignored (ignoring).
- After a start signal is detected during an ongoing positioning run, the run
continues to the end (waiting).
- After a start signal is detected, positioning is cancelled and the drive runs
at a constant speed. After pre-calculation is completed, the drive runs to the
new target position (interrupting).
The trajectory generator sends the following messages:
- Target reached, (Default: digital output DOUT1 – MC)
-
Remaining distance reached.