—————— TPD32-EV ——————
288
PID error
Error reading in the input of the function PID (
PID clamp
block output).
PID feed-back
Reading of feed-back value from the transducer position (dancer) or tension (load cell).
PID offs. sel
Offset selector added to
PID feed-back
. This parameter can be set on a digital program
-
mable input.
0 =
PID offset 0
1 =
PID offset 1
PID offset 0
Offset 0 added to
PID feed-back
. This parameter can be set on analog input , E.g. for
the tension setting when a load cell has to be used as feed-back.
PID offset 1
Offset 1 added to
PID feed-back
.
PID acc time
Acceleration ramp time value in seconds after the PID offset
block.
PID dec time
Deceleration ramp time value in seconds after the PID offset
block.
PID clamp
The clamp allows a smooth tension setting of a controlled system winder/unwinder,
when the “calculation of the initial diameter” function cannot be used.
When the drive is enabled, the dancer is at its lower full scale, with
PID error
at its
maximum value. The motor could accelerate to fast in taking the dancer in its central
position of work.
Setting
PID clamp
at a value sufficiently low e.g = 1000, at the drive enabling and at
the enabling of
Enable PD PID
, the value of
PID error
is limited to 1000 until the
signal coming from the dancer (
PID feed-back
) does not reach this value. Now
PID
clamp
is automatically take back at its maximum value corresponding to 10000. The
clamp is kept at 10000 till the next disabling of the drive or of
Enable PD PID
.
The feed - back input is provided for the analog transducers connection like dancer, with relative potentiometer
or load cell. Nevertheless, it is possible to use this input block as comparison point between two different analog
s / - 10V.
Connection to a dancer with potentiometer connected between - 10 and + 10V.
The wiper of the potentiometer can be connected to one of the analog inputs of the drive. Normally it should
be used the analog input 1 (terminals 1 and 2) because it is provided with filter.
The input choosen for that connection must be programmed in the menu I/O CONFIG as
PID feed - back
. Its
value can be read in the
PID feed - back
parameter in the
PID REFERENCE
submenu.
Through
PID offset 1
(or PID offset 0), it is possible to carry on the adjustement of the dancer position.
Connection to a load cell with full range + 10V.
The output of the load cell can be connected to one of the drive analog inputs. Normally the analog input 1
(terminals 1 and 2) should be used because of the filter provided.
The input choosen for the connection must be programmed in the menu I/O CONFIG as
PID feed - back.
Its
value can be read in the
PID feed - back
parameter of the
PID REFERENCE
submenu.
The tension setting can be sent, with value 0...-10V, to one of the remaining programmable analog inputs in the
I/O CONFIG
menu as
PID offset 0.
Содержание TPD32-EV-...-2B
Страница 1: ... Instruction manual Industrial Application DC drives TPD32 EV ...
Страница 62: ... TPD32 EV 62 10 mm 0 4 150 mm 6 150 mm 6 150 mm 6 10 mm 0 4 10 mm 0 4 50 mm 2 Figure 3 3 2 Mounting Clearance ...
Страница 372: ... TPD32 EV 372 9 BLOCK DIAGRAM 9 1 CONTROL BLOCK DIAGRAMS ...
Страница 373: ... Instruction manual 373 ...
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Страница 501: ... Instruction manual 501 APPENDIX 3 ACCESSORIES A3 1 EAM Adapter Kit EAM1579 EAM1580 ...
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