Standard blocks
Block descriptions
ID 441692.01
STÖBER ANTRIEBSTECHNIK
570
101095 Universal position latch
Description
This block records position or distance. This position or distance is recorded with µs-
precision using timestamps and not the cycle time. Embedded parameters affect the
function. If the block is instanced multiple times, parameters with consecutive coordinates
in increments of ten are used:
N270
-
N276
,
N280
-
N286
and so on.
Parameter
N261
is used to select whether the axis position or the master position will be
latched.
The
LExec
signal triggers the function. The source of the signal is set in
N262
.
The different modes can be set in parameter
N260
.
Mode
= 0: Input value in
Position
is saved at the rising edge of
LExec
.
Mode
= 1: Input value in
Position
is saved at the falling edge of
LExec
.
Mode
= 2: Input value in
Position
is saved at the next (no matter which) edge of
LExec
.
Mode
= 3: Reserved. Presently same as 2.
Mode
= 4: Difference measurement in
Position
from rising to rising edge of
LExec
Mode
= 5: Difference measurement in
Position
from falling to falling edge of
LExec
Mode
= 6: Difference measurement in
Position
from rising to falling edge of
LExec
Mode
= 7: Difference measurement in
Position
from falling to rising edge of
LExec
The recording state is output at output
LatchSta
.
LatchSta
= 0:
LExec
is "high." The set event will cause triggering.
LatchSta
= 1:
Saving is finished in modes 0 to 3. The end state has been reached.
The first trigger event was detected in modes 4 to 7. The 2nd event is
now expected.
LatchSta
= 2:
Saving is finished in modes 4 to 7. The end state has been reached.
The source of the
LReset
signal is selected in parameter
N263
. When
LReset
is active, the
LatchSta
output is reset to 0 and recording is "high" as soon
LReset
becomes inactive
again. The status of the function is also indicated in parameter
N266
.
The latched position or distance is indicated in
N264
(master positions) and
N265
(axis
positions).
Outputs
No. Name
Datatype Scaling
Description
1
LatchPos
P64
–
Latched position or distance value
2
LatchSta
U8
Skal.-Fkt.: Achse:
8; Master: 19
Status of the position latch
LStatus
= 0:
LExec
is "high." The set event will cause triggering.
LStatus
= 1: Saving is finished in modes 0 to 3. The end state has
been reached.
The first trigger event has been detected in modes 4
to 7. The 2nd event is expected.
LStatus
= 2:
Saving is finished in modes 4 to 7. The end state
has
been
reached.
Содержание POSIDRIVE MDS 5000
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