Parker 590+ series Frame 1, 2, 3, 4, 5, 6 & H. Product Manual (2012) - page 24
D-46 Programming
DIAMETER CALC.
Parameter
Tag
Range
TOT. TENS. DEMAND
441
.xx %
This is the final output of this block (total tension demand) which can be connected to the appropriate points in the block diagram.
INERTIA COMP O/P
485
.xx %
Monitors the sum of all inertia compensations.
OUTPUT
706
.xx %
The sum of the diameter-scaled TENSION DEMAND after the TENSION SCALER scaling and the compensation losses. For open loop winder
applications, connect this output to the TORQUE DEMAND (Tag 432) in the TORQUE CALC. function block. (This output is located in the
SYSTEM::CONFIGURE I/O::BLOCK DIAGRAM menu).
Functional Description
DIAMETER CALC.
z
MIN SPEED [426]
X<Z
x
RAMP RATE [453]
Hold
LINE SPEED [424]
|X|
[428]
MIN DIAMETER [425]
aX/Y
DIAMETER [427]
REEL SPEED [437]
|Y|
[429]
[430]
RESET VALUE EXTERNAL RESET
[462]
[463]
Programming D-47
Line Speed (S)
Circumference = πD or Line Speed (S) = Reel Speed (ωr) x D
Thus D =
S
ωr
ωr
i.e. D ∝
Line Speed (S)
Reel Diameter
(D)
Core Diameter (d)
Reel Speed (ωr )
Therefore with the web intact we can calculate the diameter from the two speeds.
TAPER CALC
Use this to profile the tension demand with diameter.
The function uses two inputs, tension setpoint and taper setpoint, to create the tension demand. The operator usually controls these setpoints.
Taper is a common requirement for winders. It reduces the tension as the roll diameter increases.
A profiler adjusts the tension using the equation:
Taper
Tapered Demand
=
Tension Spt
×
100%
−
×
(
Diameter −
Min Diameter
)
Diameter
to yield a hyperbolic taper output. The taper tension characteristics are shown below:
Tension
Torque
-100% Taper
-100% Taper
0% Taper
0% Taper
100% Taper
100% Taper
Min
100%
Min
100%
Diameter
Diameter
Diameter
Diameter
The result is multiplied by TENSION SPT. to get TAPER DEMAND. When the taper setpoint is at 100%, the motor produces constant torque. That is,
a constant torque from core to full roll, and the tension falls off as the roll builds.
TENSION TRIM allows the tension demand to be adjusted, for example, when using closed loop trim. The result is TOT. TENS DEMAND.
D-48 Programming
TAPER CALC.
*Permanently linked
100
Tension Spt. [439]
to Diameter Calc.
0
100
Tapered Demand
Diameter*
0
[452]
Taper Function
Min Diameter*
100
Total Tension Demand
-100
[441]
Tension Trim
100
[440]
Taper [438]
-100
TENS+COMP CALC
This provides additional torque to compensate for static and dynamic friction, as well as the load inertia.
Add these losses to the diameter-scaled tension demand to produce a compensated torque demand for open loop winder applications.
The inputs to this function are DIAMETER, TOT. TENS. DEMAND, and SPEED FEEDBACK from the SPEED LOOP function block.
For open loop winder applications, connect OUTPUT to TORQUE DEMAND (Tag 432) in the TORQUE CALC. function block.
Static and Dynamic Frictional Losses
Static and dynamic friction are due to gearbox resistance and mechanical
binding in the winder spindle and motor bearings. Both absorb motor output
Torque
(Armature Current)
torque and require compensation to maintain accurate winder tension.
Static friction, or "stiction", is a constant offset most noticeable at or near
zero speed. The compensation torque required to overcome static friction is
fixed over an entire operating speed range. You can ignore "stiction" for
Dynamic
winders which do not normally operate at zero speeds.
Compensation
Dynamic friction results from friction losses within the drive train, which
Static
includes gearboxes and chain belting linkages. The oil viscosity in
Compensation
gearboxes and windage losses in the motor armature fans also contribute to
dynamic frictional losses.
Motor Speed
The effects of static and dynamic friction are shown opposite.
Programming D-49
Inertia Compensation
Many winders need inertia compensation to add or subtract torque during
Speed
acceleration and deceleration to maintain constant tension, especially at large
roll diameters. Without compensation, the tension holding capability of open
loop winders diminishes during speed changes causing tension sag.
The inertia compensation characteristics is shown opposite.
Line Speed
For winder applications, inertia compensation is split into two components:
acceleration
deceleration
1.
Fixed inertia compensation for the fixed motor, transmission and load
components.
2.
Variable inertia compensation for the changing roll inertia. This is
Time
especially necessary for high diameter build unwinds and winders.
100%
Forward Torque
(positive armature current)
large diameter roll
small diameter roll
Time
Reverse Torque
(negative armature current)
D-50 Programming
Tension Scaler
[486]
Tension &
Demand
Torque Demand
Diameter*
(Internal Variable)
Static Comp
[487]
|Nw|*
+
+
Total Torque Demand
Dynamic Comp
[488]
+/-
[478]
+
+
TENS+COMP
+
Rewind (Forward)
[489]
+
Fixed Inertia Comp
[479]
1/D
[485]
Inertia Comp Output
+
3
Variable Inertia Comp
[480]
1/D
Roll Width/Mass
[481]
Line
Speed Setpoint
[498]
Rate Cal
[483]
Normalised dv/dt
[484]
Filter TC
[482]
& - Internally connected to Taper Calculator
* - Internally connected to Diameter Calculator
TENS + COMP Block Diagram
Programming D-51
DIGITAL
INPUTS
Use this block to control the
digital operating parameters
of the software.
The digital input can be
configured to point to a
destination location, and to set
that destination TRUE or FALSE
depending upon programmable
values.
DIGITAL INPUTS
Parameter
Tag
Range
VALUE FOR TRUE
103, 106, 109, 1239
-300.00 to 300.00 %
The output value when input is TRUE, that is:
Digital Input 1, terminal C6 = 24V (True)
Digital Input 2, terminal C7 = 24V (True)
Digital Input 3, terminal C8 = 24V (True)
VALUE FOR FALSE
104, 107, 110, 1240
-300.00 to 300.00 %
The output value when input is FALSE, that is:
Digital Input 1, terminal C6 = 0V (False)
Digital Input 2, terminal C7 = 0V (False)
Digital Input 3, terminal C8 = 0V (False)
OUTPUT
680, 681, 682, 1238
.xx %
The output value, this is either VALUE FOR TRUE or VALUE FOR FALSE.
DIGIN 1 (C6) to DIGITAL INPUT C5
71, 72, 73, 69
OFF / ON
The Boolean representation of the actual voltage applied to the terminal.
D-52 Programming
Digital Input Examples
Using Digital Inputs with LOGIC Parameters
Logic parameters have values of 1/0: TRUE/FALSE, ON/OFF, ENABLED/DISABLED etc.
For example, the default connections in the drive allow the Digital Inputs to switch LOGIC parameters. These are the connections from:
• Terminal C6 to Tag 90 (BIPOLAR CLAMPS)
• Terminal C7 to Tag 118 (RAMP HOLD)
• Terminal C8 to Tag 119 (I DMD. ISOLATE)
In each case, the state of the terminal (24V or 0V) switches the destination parameter by sending a 1 or 0.
The format for the VALUE FOR TRUE and VALUE FOR FALSE parameters is in percent, thus 0.00% = 0 and 0.01% (or any other non-zero positive
number) = 1.
Inverting the Input Signal
The default setting is for VALUE FOR TRUE to be 0.01% and VALUE FOR FALSE to be 0.00%. Inverting the digital input is therefore simple; set
VALUE FOR TRUE to 0.00% and VALUE FOR FALSE to 0.01% (or any other non-zero number).
To do this:
1.
Set CONFIGURE I/O::CONFIGURE ENABLE to TRUE
2.
Set DIGIN 1 (C6)::VALUE FOR TRUE to 0.00%
3.
Set VALUE FOR FALSE to 0.01%
4.
Reset CONFIGURE I/O::CONFIGURE ENABLE to FALSE
Digital Input 1 now sends a 0 when the input signal is TRUE, and 1 when it is FALSE.
Using Digital Inputs with VALUE Parameters
Value parameters have values such as 100.00, or with units like 50.00%, 10.0 SECS etc.
You can use a Digital Input to send two fixed values to a VALUE parameter depending upon the state of the input terminal, 24V or 0V. You set the
two fixed values you require in the VALUE FOR TRUE and VALUE FOR FALSE parameters.
Programming D-53
For example, to connect Digital Input 1 to SPEED LOOP::SPD.PROP.GAIN :
1.
Set CONFIGURE I/O::CONFIGURE ENABLE to TRUE
2.
Find the tag number for SPD.PROP.GAIN either from the function block detail in this chapter, or from the Parameter Table: MMI Order -
refer to Appendix C. (It is 14).
3.
Set DIGIN 1 (C6)::DESTINATION TAG to 14
4.
Set VALUE FOR TRUE to 10.00%
5.
Set VALUE FOR FALSE to 30.00%
6.
Reset CONFIGURE I/O::CONFIGURE ENABLE to FALSE
Digital Input 1 will now set SPD.PROP.GAIN to two values depending upon the state of the input signal:
• When the input terminal is at 24V, SPD.PROP.GAIN is set to 10.00
• When the input terminal is at 0V, SPD.PROP.GAIN is set to 30.00
DIGITAL INPUT C5
Caution
If you are isolating power on the drive output using a DC contactor, you must use an auxiliary, normally-open contact connected to terminal
C5 to immediately disable the drive's current loop when the contactor coil de-energises. Free-up terminal C5 for other uses only when
isolating main power on the input side of the drive using an AC contactor.
NOTE Some 590 DRV models isolate power on the 590 drive output using a DC contactor, so you cannot use terminal C5 as an
additional digital input.
Additional Digital Inputs
It is possible to use an Analog Input as a Digital Input to extend the number of Digital
Inputs available. Again, 0.00% is regarded as Logic 0 and 0.01% (or any other non-zero
positive value) is regarded as Logic 1.
D-54 Programming
DIGITAL
OUTPUTS
These function block allows
you to output digital
parameters within the
software to other
equipment.
A digital output can be
configured to point to any
digital value within the
software system and to
output information
depending upon the status of
that value.
DIGITAL OUTPUTS
Parameter
Tag
Range
INPUT
683, 684, 685
.xx %
The unprocessed value to output.
INVERTED
359, 360, 361
FALSE / TRUE
Selects to invert the output when TRUE.
THRESHOLD
195, 196, 197
-300.00 to 300.00 %
(THRESHOLD (>))
The threshold which the input value must exceed to set the output to TRUE.
MODULUS
43, 44, 45
FALSE / TRUE
When TRUE, the absolute value of INPUT is used for the threshold test.
DIGOUT 1 (B5) to DIGOUT 3 (B7)
74, 75, 76
OFF / ON
The actual Boolean value sent to the output terminal.
Programming D-55
Functional Description
Configurable Digital Outputs
MODULUS
INVERTED
X
1
INPUT
|X|
0
%
THRESHOLD
DIAGNOSTIC
Digital Output Examples
Using Digital Outputs with LOGIC Parameters
Logic parameters have values of 1/0: TRUE/FALSE, ON/OFF, ENABLED/DISABLED etc.
For example, the (logic) default connections in the drive allow the Digital Outputs to provide (source) 24V or 0V dc depending upon the state of
following tag connections:
• Terminal B5, Digital Output 1 is linked to Tag Number 77 (AT ZERO SPEED)
• Terminal B6, Digital Output 2 is linked to Tag Number 122 (HEALTH LED)
• Terminal B7, Digital Output 3 is linked to Tag Number 125 (READY)
In each case, the state of the source parameter defines the voltage available at the terminal (TRUE = 24V, FALSE = 0V when INVERTED = FALSE).
Inverting the digital output is simple; set INVERTED to TRUE.
D-56 Programming
Using Digital Outputs with VALUE Parameters (Up-to-speed Detector)
Value parameters have values such as 100.00, or with units like 50.00%, 10.0 SECS etc.
For example, to connect Digital Output 1 to read UNFIL.SPD.FBK:
1.
Set CONFIGURE I/O::CONFIGURE ENABLE to TRUE
2.
Find the tag number for UNFIL.SPD.FBK either from the function block detail in this chapter, or from the Parameter Table: MMI Order -
refer to Appendix C. (It is 62).
3.
Set DIGITAL OUTPUTS::DIGOUT 1 (B5)::SOURCE TAG to 62
4.
Set DIGITAL OUTPUTS::DIGOUT 1 (B5)::THRESHOLD(>) to 50.00%
5.
Set DIGITAL OUTPUTS::DIGOUT 1 (B5)::MODULUS to TRUE
6.
Set DIGITAL OUTPUTS::DIGOUT 1 (B5)::INVERTED to FALSE
7.
Set CONFIGURE I/O::CONFIGURE ENABLE to FALSE
This option is useful for generating an "up-to-speed" output. The MODULUS removes the sign from the value (so -100 becomes 100). The
THRESHOLD(>) parameter determines when the output is 24V or 0V dc (the input signal must exceed this setting for the output to go high). Set
INVERTED to TRUE to invert the result of the output.
Programming D-57
DRIVE INFO
This block provides information to identify the drive hardware and firmware version.
DRIVE INFO
Parameter
Tag
Range
PCODE ID
545
0 to 100
The product code. This representation is guaranteed to be unchanged between different software versions.
0: INVALID
71: DC 4Q 35A D
27: DC 4Q 450A D
45: DC 4Q 2200A 40 D
65: DC RETRO 4Q 720A
1: DC 4Q 15A
72: DC 2Q 35A D
28: DC 2Q 450A D
46: DC 2Q 2200A 40 D
66: DC RETRO 2Q 720A
2: DC 2Q 15A
73: DC 4Q 70A D
29: DC 4Q 720A D
47: DC 4Q 2700A 40 D
67: DC RETRO 4Q 128A
3: DC 4Q 35A
74: DC 2Q 70A D
30: DC 2Q 720A D
48: DC 2Q 2700A 40 D
68: DC RETRO 2Q 128A
4: DC 2Q 35A
75: DC 4Q 110A D
31: DC 4Q 800A D
49: DC 4Q 1200A 60 D
69: DC HW SCALE 4Q D
5: DC 4Q 40A
76: DC 2Q 110A D
32: DC 2Q 800A D
50: DC 2Q 1200A 60 D
70: DC HW SCALE 2Q D
6: DC 2Q 40A
77: DC 4Q 150A D
85: DC 4Q 1024* 30*D
51: DC 4Q 1700A 60 D
87: DC 2Q 40A
7: DC 4Q 55A
78: DC 2Q 150A D
86: DC 2Q 1024* 30*D
52: DC 2Q 1700A 60 D
88: DC 4Q 40A
8: DC 2Q 55A
21: DC 4Q 180A D
33: DC 4Q 1200A 20 D
53: DC 4Q 2200A 60 D
89: DC 4Q 725A
9: DC 4Q 70A
22: DC 2Q 180A D
34: DC 2Q 1200A 20 D
54: DC 2Q 2200A 60 D
90: DC 2Q 725A
10: DC 2Q 70A
23: DC 4Q 270A D
35: DC 4Q 1700A 20 D
55: DC 4Q 2700A 60 D
91: DC 4Q 830A
11: DC 4Q 90A
24: DC 2Q 270A D
36: DC 2Q 1700A 20 D
56: DC 2Q 2700A 60 D
92: DC 2Q 830A
12: DC 2Q 90A
79: DC 4Q 128* 20* D
37: DC 4Q 2200A 20 D
57: DC 4Q 1200A 80 D
93: DC 4Q 1580A
13: DC 4Q 110A
80: DC 2Q 128* 20* D
38: DC 2Q 2200A 20 D
58: DC 2Q 1200A 80 D
94: DC 2Q 1580A
14: DC 2Q 110A
81: DC 4Q 1024* 20*D
39: DC 4Q 2700A 20 D
59: DC 4Q 1700A 80 D
95: DC 4Q 275A
15: DC 4Q 125A
82: DC 2Q 1024* 20*D
40: DC 2Q 2700A 20 D
60: DC 2Q 1700A 80 D
96: DC 2Q 275A
16: DC 2Q 125A
83: DC 4Q 1024* 30*D
41: DC 4Q 1200A 40 D
61: DC 4Q 2200A 80 D
97: DC 4Q 380A
17: DC 4Q 162A
84: DC 2Q 1024* 30*D
42: DC 2Q 1200A 40 D
62: DC 2Q 2200A 80 D
98: DC 2Q 380A
18: DC 2Q 162A
25: DC 4Q 360A D
43: DC 4Q 1700A 40 D
63: DC 4Q 2700A 80 D
99: DC 4Q 500A
19: DC 4Q 165A
26: DC 2Q 360A D
44: DC 2Q 1700A 40 D
100: DC 2Q 500A
64: DC 2Q 2700A 80 D
20: DC 2Q 165A
D-58 Programming
DRIVE INFO
Parameter
Tag
Range
PRODUCT CODE
510
0 to 96
An internal representation of the product code. This representation may change between software versions.
0: INVALID
21: DC 4Q 35A D
41: DC 4Q 450A D
61: DC 4Q 2200A 40 D
81: DC RETRO 4Q 128A
1: DC 4Q 15A
22: DC 2Q 35A D
42: DC 2Q 450A D
62: DC 2Q 2200A 40 D
82: DC RETRO 2Q 128A
2: DC 2Q 15A
23: DC 4Q 70A D
43: DC 4Q 720A D
63: DC 4Q 2700A 40 D
83: DC 2Q 40A
3: DC 4Q 35A
24: DC 2Q 70A D
44: DC 2Q 720A D
64: DC 2Q 2700A 40 D
84: DC 4Q 40A
4: DC 2Q 35A
25: DC 4Q 110A D
45: DC 4Q 800A D
65: DC 4Q 1200A 60 D
85: DC 4Q 725A
5: DC 4Q 40A
26: DC 2Q 110A D
46: DC 2Q 800A D
66: DC 2Q 1200A 60 D
86: DC 2Q 725A
6: DC 2Q 40A
27: DC 4Q 150A D
47: DC 4Q 1024* 30*D
67: DC 4Q 1700A 60 D
87: DC 4Q 830A
7: DC 4Q 55A
28: DC 2Q 150A D
48: DC 2Q 1024* 30*D
68: DC 2Q 1700A 60 D
88: DC 2Q 830A
8: DC 2Q 55A
29: DC 4Q 180A D
49: DC 4Q 1200A 20 D
69: DC 4Q 2200A 60 D
89: DC 4Q 1580A
9: DC 4Q 70A
30: DC 2Q 180A D
50: DC 2Q 1200A 20 D
70: DC 2Q 2200A 60 D
90: DC 2Q 1580A
10: DC 2Q 70A
31: DC 4Q 270A D
51: DC 4Q 1700A 20 D
71: DC 4Q 2700A 60 D
91: DC 4Q 275A
11: DC 4Q 90A
32: DC 2Q 270A D
52: DC 2Q 1700A 20 D
72: DC 2Q 2700A 60 D
92: DC 2Q 275A
12: DC 2Q 90A
33: DC 4Q 128* 20* D
53: DC 4Q 2200A 20 D
73: DC 4Q 1200A 80 D
93: DC 4Q 380A
13: DC 4Q 110A
34: DC 2Q 128* 20* D
74: DC 2Q 1200A 80 D
94: DC 2Q 380A
54: DC 2Q 2200A 20 D
14: DC 2Q 110A
35: DC 4Q 1024* 20*D
55: DC 4Q 2700A 20 D
75: DC 4Q 1700A 80 D
95: DC 4Q 500A
15: DC 4Q 125A
36: DC 2Q 1024* 20*D
56: DC 2Q 2700A 20 D
76: DC 2Q 1700A 80 D
96: DC 2Q 500A
16: DC 2Q 125A
37: DC 4Q 1024* 30*D
57: DC 4Q 1200A 40 D
77: DC 4Q 2200A 80 D
17: DC 4Q 162A
38: DC 2Q 1024* 30*D
58: DC 2Q 1200A 40 D
78: DC 2Q 2200A 80 D
18: DC 2Q 162A
39: DC 4Q 360A D
59: DC 4Q 1700A 40 D
79: DC 4Q 2700A 80 D
19: DC 4Q 165A
40: DC 2Q 360A D
60: DC 2Q 1700A 40 D
80: DC 2Q 2700A 80 D
20: DC 2Q 165A
FRAME ID
626
.
An internal representation of the frame size.
VERSION NUMBER
155
0x0801
The drive's version number as seen via communications. Version 8.01 is represented as 0x0801.
Serial communications mnemonic = V0. The version number cannot be changed, and is software version dependent.
Programming D-59
ENCODER
This block allows the Speed Feedback
to be measured using a quadrature
encoder when a Speed Feedback
Option is fitted - refer to Chapter 3:
Speed Feedback and Technology
Options.
The ENCODER 1 function block is associated with the speed feedback option.
The ENCODER 2 function block is associated with Digital Input 2 (terminal C7) and Digital Input 3 (terminal C8) where:
Digital Input 2 provides the clock.
Digital Input 3 is used as a direction input.
ENCODER
Parameter
Tag
Range
ENCODER LINES
24, 1230
10 to 5000
The number of lines must be set to match the type of encoder being used. Incorrect setting of this parameter will result in an erroneous speed
measurement. The 5901 Microtach has 1000 lines per revolution as standard. Proprietary encoders of other specifications can be normalised by
setting this parameter as appropriate.
ENCODER SIGN
49, 1231
NEGATIVE / POSITIVE
Since the encoder feedback cannot be reversed electrically, the signal polarity can be reversed by the control software.
It is necessary to set up this parameter when in CLOSED-LOOP VEC mode, as the encoder direction must be correct for this mode to operate.
ENCODER RPM
22, 1232
0 to 6000
Motor top speed setting (100%) when using encoder feedback.
UNFIL. ENCODER
59, 1235
. RPM
Unfiltered encoder speed in RPM
ENCODER
206, 1236
. RPM
Encoder speed in RPM
SPEED FEEDBACK
1227, 1237
.x %
Encoder speed in %. A speed of 100% indicates that the encoder is rotating at the value set in the ENCODER RPM parameter.
D-60 Programming
ENCODER
Parameter
Tag
Range
ENCODER TYPE
1267, 1268
See below
Selects the operating mode of the encoder input. Both of these encoder function blocks can be used in either QUADRATURE or
CLOCK/DIRECTION modes of operation. When in CLOCK/DIRECTION mode, the CLOCK input is applied to terminal A on the speed feedback
option (for ENCODER 1) or to Digital Input 2 (for ENCODER 2), and every rising edge of the CLOCK is counted.
0 : CLOCK/DIRECTION
1 : QUADRATURE
Functional Description
You must configure Digital Input 2 and 3 which, by default, provide "Ramp Hold" and "Current Demand Isolate" functionality. In the default
configuration they are linked using LINK 21 and LINK 22 respectively. The Encoder blocks are connected to terminals C7 and C8 internally and thus
don't require these links. Use the Configurator Tool to delete the links.
Alternatively when the default configuration is loaded, this can be done using the Keypad as shown below:
Navigate to the SYSTEM::CONFIGURE I/O menu. Select the CONFIGURE ENABLE parameter and set to ENABLED. All LEDS on the
Keypad will flash. Press the
key. Use the
key to navigate to the DIGITAL INPUTS menu.
In this menu, select the DIGIN 2 (C7) menu. Navigate to the DESTINATION TAG parameter and set this value to 0 (zero). Repeat this
operation for the DIGIN 3 (C8) parameter.
Remember to perform a Parameter Save.
ENCODER TYPE = CLOCK/DIRECTION
This (pulse-counting mode) Encoder Type can be set in the ENCODER 2 function block only.
Digital Input 2 (terminal C7) is used to provide the clock - the pulses are applied on C7
Digital Input 3 (terminal C8) is used as a direction input:
When C8 is high, (24V), the count is incremented
When C8 is low, (0V), the count is decremented
Each full pulse received increments the encoder count.
A full pulse is the pulse input going from low to high, and then back to low.
CountsPerSecond
SPEED HZ = filter
, FilterTime
Lines
Speed is calculated using the following function:
Programming D-61
ENCODER TYPE = QUADRATURE
A quadrature encoder uses 2 input signals (A and B), phase shifted by a quarter of a cycle (90°).
A
Digital input 2, (C7) = Encoder A phase
B
Digital input 3, (C8) = Encoder B phase
Direction is obtained by looking at the combined state of A and B.
Each edge received from the encoder increments the encoder count. There are 4 counts per line.
Speed is calculated using the following function:
CountsPerSecond
SPEED HZ = filter
, FilterTime
Lines x 4