Siemens simatic et 200s Operating Instructions Manual page 369

Parameters
Reference point run and evaluation of the reference signal
Reference signal
Reference switch
Start direction of the
reference point run
Drive
Control mode
Switch-off difference
Switchover difference
T direction change
min
ET 200S Positioning
Operating Instructions, 05/2007, A5E00124871-04
Meaning
This parameter defines the relevant switch
or the combination of switch and zero mark.
Relevant in the case of reference signal:
Reference switch and zero mark
•
Reference switch
•
This parameter defines the referencing
direction in which the switch must be
traversed.
Type 0 means:
DO0 travel minus
•
DO1 travel plus
•
DO2 rapid/creep feed
•
Type 1 means:
DO0 rapid feed
•
DO1 creep feed (rapid feed is 0)
•
DO2 travel plus (1)/minus (0)
•
Defines the distance from the destination at
which the drive is slowed down from creep
feed to 0.
If the switch-off difference ≥ the switchover
difference, there is no switchover point.
There is no deceleration from rapid to creep
feed, and instead the response is executed
directly at the switch-off point.
You can change the switch-off difference
with JOB 3.
Defines the distance from the destination at
which the drive is slowed down from rapid
feed to creep feed.
You can change the switchover difference
with JOB 4.
The digital outputs are switched off, and a
change of direction by T
min
a delay.
T is effective at each change of direction
min
during a run.
T is not effective at startup after
min
POS_DONE = 1 or POS_ERR = 1.
Your input value is multiplied by 10. You
thus specify T in increments of 10 ms (for
min
example, 0 ms, 10 ms or 2550 ms)
Value range
Reference switch and
•
zero mark
Reference switch
•
Zero mark
•
Reduction cam towards
•
minus
Reduction cam towards
•
plus
Minus limit switch
•
Plus limit switch
•
Plus
•
Minus
•
0
•
1
•
0 - 65 535
0 - 65 535
0 - 255
is executed with
1PosUniversal/Digital
7.8 Parameter List
Default setting
Reference switch and
zero mark
Reduction cam
towards minus
Plus
0
100
1000
0
369