Haehne DCX User manual

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DCX EA EN 04_20 Technical modications reserved
Modularer Digital Controller DCX
Quick Start Guide

HAEHNE Elektronische Messgeräte GmbH · Heinrich-Hertz-Str. 29 · D-40699 Erkrath Germany · Telefon [phone] · Fax [phone]
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HAEHNE Elektronische Messgeräte GmbH · Heinrich-Hertz-Str. 29 · D-40699 Erkrath Germany · Telefon [phone] · Fax [phone]
http://www.haehne.de Email: [email protected]
DCX
Content
1. System Description ..................................................3
2. Hardware Design....................................................4
3. Terminal Assignment .................................................6
4. Software Design ....................................................8
4.1. Function Blocks ...............................................9
4.2. DCX Operation ............................................... 11
  4.2.1.ModicationofDisplayedValues .......................... 11
  4.2.2.PeakValueMode ......................................13
4.2.3. Quick Function ........................................14
4.2.4. Adjustment Mode ......................................16
5. Operating Instruction
5.1. Sensor Adjustment ............................................19
5.2. Controller Adjustment ..........................................20
5.3. Fieldbus and Master Adjustment .................................21
6. Description of Parameters
 6.1.ParametersDisplayedValues ...................................23
6.2. Parameters Level 1 ...........................................25
6.2.1. General Display Adjustment (Function Block 0)...............25
6.3. Parameters Level 3 and 4 ......................................26
6.3.2. Anybus Inputs (Block 1) .................................26
6.3.3. Analog Inputs (Block 4) .................................28
  6.3.4.Amplier(Block5) .....................................31
6.3.5. Mathematical functions (Block 6) ..........................34
6.3.8. Analog Outputs (Block 9) ................................36
6.3.9. Anybus Outputs (Block A) ...............................38
6.4. Parameters Level 7 ...........................................39
6.4.1. Anybus (Function Block 1) ...............................39
7. Parameter Table ...................................................40
8. Tabular Overview of Signal Sources ....................................43
This quick reference guide covers primarily the function of the DCX as an amplier.
The digital inputs and outputs as well as the other parameters and settings are ex-
plained in more detail in the Reference Manual.
2 Content

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Several Applications of Web Tension Measurement
1. System Description
The DCX is a multi-functional amplier system that can be congured through its modular design to customized in-
dustrial application. The individual modules, options and specications can be individually tailored to t the specic
applications.
Up to eight force measurement channels can be operate with the amplier inputs and can be processed with ad-
ditional process variables.
Averaging, di󰀨erence calculation or wrap angle correction can be assigned separately to each channel. The signal
processor of the DCX also calculates complex functions in a very short time, eg. the evaluation of the X-Y signals.
The DCX can also be used as a multi-channel web tension controller. Various controller models can be congured
and the control behavior can be modied by winding diameter or the strip speed.
There are analog and digital interfaces available for the signal outputs. On the analog side there are up to eight
voltage outputs available and in addition eight current outputs. On the digital side this is either a eldbus interface,
such as Probus or either an Ethernet interface, such as Pronet.
With digital control inputs and outputs, the controller settings can be changed or limit switches can be set.
With the menu-driven touch-panel display, the set up and the use of the DCX is very user friendly.
System Description
Blown Film Lines
CalanderTissue Machine
3

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http://www.haehne.de Email: [email protected]
DCX
4
2. Hardware Design
The DCX is a user-oriented combination of functional units which are arranged around the core: the Digital Signal
Processor. This runs synchronously to the A / D converter with a cycle time of 0.52 ms. In one clock cycle every
eight converter signals, present in the A / D, are read, processed and issued again with 16 bit resolution.
Parallel to this, in the same clock cycle, occurs the conversion of the eight analog input signals into digital signals
in the 24 bit sigma-delta converter. These are available in the next clock cycle for further processing.
Analog Inputs
The eight inputs are designed either as a measuring amplifier differential inputs to connect to strain gauge
sensors or at the option of the customer as ±10 V signal input voltages. The differential inputs are normalized
to ± 20 mV.
Signals up to max. ± 40 mV can be analyzed. The normalized ± 10 V analog inputs can process signals
up to 13.5 V.
Analog Outputs
The eight optional analog outputs are normalized to ± 10 V. The maximum voltage is ± 12 V. They are fully
configurable in terms of operating range and assignment. To each voltage output a current output can be option-
ally assigned. The current range 4-20 mA corresponds to the standard signal 0-10 V.
8 Channel
A/D-
Converter
24-Bit
Sigma-Delta
2-8Strain gauge input
Nominal voltage ±20mV
max.±40 mV
6-0Voltage inputs
Nominal voltage ±10V
max.±13.5 V
Processor
with Flash
0.52 ms
Cycle time 4 Channel
D/A-
Converter
16-Bit
2x4Digital inputs
(Photocoupler /24V)0-8Digital outputs
(Reed relays /NO/24 VDC/ 300 mA /1ms optional
single pole double throw (AEM) 230 VAC/1A/10ms)
Nominal voltage ±10V
max.±12V
U/I-
Converter (0)4-20mA
Bridge supply voltage
every two channels
10V/160 mA
Value
storage
Display
160x104
Touch Panel
Reference voltage
10V/10mA
every
Channel
Anybusinterface
2x
Hardware Design

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Bridge Power Supply And Reference Voltage
For the supply of the strain gauge sensors a bridge supply of 10 V / 160 mA is available. Optional up to
4 x 160 mA are possible. One output with 10 V / 10 mA is provided as a reference voltage. This output can
also be used for external potentiometers.
Digital Inputs
For control functions there are eight galvanically isolated 24 V inputs.
Digital outputs
As digital outputs up to eight Reed type relays are available as normally open contacts (SPNO) or as PCB relays
double throw contacts (SPDT) are available. DC voltage up to 24 V / 300 mA with a response time of max. 1 ms
can be switched with the normally open relay. With the double throw relay an AC voltage to 230 V / 1 mA with a
response time of 10 ms can be switched.
Anybus Interface
At the Anybus interface the following fieldbus versions can be connected: BACNet MS/TP, CANopen,
CC-Link, ControlNet, Modbus RTU and Profibus. With Ethernet modules, the versions BACNet/IP, EtherCAT,
Ethernet/IP, Modbus TCP, Profinet and SERCOS III can be connected.
Hardware Design 5

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http://www.haehne.de Email: [email protected]
DCX
3. Terminal Assignment
The terminal assignments shown here are for use of DCX without digital inputs and outputs. The terminal assign-
ment for the DCX with digital inputs and outputs is described in the Reference Manual.
UBr-/# USig- /GND UBr+/#
789101112 12345613141516232425262728 171819202122
USig+ /U+
AI1
UBr-/# USig- /GND UBr+/# USig+ /U+
AI2
UBr-/# USig- /GND UBr+/# USig+ /U+
AI3
UBr-/# USig- /GND UBr+/# USig+ /U+
AI4
UBr-/# USig- /GND UBr+/# USig+ /U+
AI5
UBr-/# USig- /GND UBr+/# USig+ /U+
AI6
UBr-/# USig- /GND UBr+/# USig+ /U+
AI7UBr2 UBr1 UBr3 UBr4 UBr5 UBr6 UBr7
GND
3130
U+
URef
2928272625242322212019181716151413121110987654321
GND U+
AO8
I+ GND U+
AO7
I+ GND U+
AO6
I+ GND U+
AO5
I+ GND U+
AO4
I+ GND U+
AO3
I+ GND U+
AO2
I+ GND U+
AO1
I+
PE
24V
0V
29303132
UBr-/# USig- /GND UBr+/# USig+ /U+
AI8UBr8
DCX
PH30
Optionales
Netzteil bei
Spannungs-
versorgung:
110-240 VAC
-
+
24V
N
L
VAC
PE
X5
Anybus
X1
X2
With the optional power supply of 110-240 V AC and the housings G1 to G4, the 24 V supply is pre-wired
for the power supply PH30 (X1: terminal 1 and 3).
The power supply voltage must be grounded. In the power supply loop the current of the supply voltage should
not be exceed 500 mA.
Optional:
PH30 Power
Supply with
voltage supply
110-240 V AC
6Terminal Assignment

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Terminal Block X1
Terminal No. Description
1 and 2 24 V Supply voltage +
3 and 4 0 V Supply voltage -
5PE-connection
6Reference voltage 10 V
7GND
8Voltage output AO1
9GND
10 Current output AO1
11 Voltage output AO2
12 GND
13 Current output AO2
14 Voltage output AO3
15 GND
16 Current output AO3
17 Voltage output AO4
18 GND
19 Current output AO4
20 Current output AO5
21 GND
22 Current output AO5
23 Voltage output AO6
24 GND
25 Current output AO6
26 Voltage output AO7
27 GND
28 Current output AO7
29 Voltage output AO8
30 GND
31 Current output AO8
Terminal Block X2
Terminal No. Description
1Bridge supply voltage UBR1 +
2Bridge supply voltage UBR1 -
3Signal voltage AI1 +
3Signal voltage AI1- / GND
5Bridge supply voltage UBR2 +
6Bridge supply voltage UBR2 -
7Signal voltage AI2 +
8Signal voltage AI2- / GND
9Bridge supply voltage UBR3 +
10 Bridge supply voltage UBR3 -
11 Signal voltage AI3 +
12 Signal voltage AI3- / GND
13 Bridge supply voltage UBR4 +
14 Bridge supply voltage UBR4 -
15 Signal voltage AI4 +
16 Signal voltage AI4- / GND
17 Bridge supply voltage UBR5 +
18 Bridge supply voltage UBR5 -
19 Signal voltage AI5 +
20 Signal voltage AI5- / GND
21 Bridge supply voltage UBR6 +
22 Bridge supply voltage UBR6 -
23 Signal voltage AI6 +
24 Signal voltage AI6- / GND
25 Bridge supply voltage UBR7 +
26 Bridge supply voltage UBR7 -
27 Signal voltage AI7 +
28 Signal voltage AI7- / GND
29 Bridge supply voltage UBR8 +
30 Bridge supply voltage UBR8 -
31 Signal voltage AI8 +
32 Signal voltage AI8- / GND
The terminal assignments shown here represent the complete version of the DCX.
In a partial version only the required terminals are connected. Corresponding inputs are
defined as strain gauge sensor inputs. Also in this case the signal inputs are
designed as differential inputs.
Terminal Assignment 7

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DCX
The software of the DCX is divided into blocks. These blocks are independently operating functional units can
therefore be independently congured.
8 Software Design
4. Software Design
Up to 8 analog values from the data matrix can be displayed. All block outputs are scheduled as a source.
This simplies troubleshooting in customer systems, eg. the raw data of the sensor signals can be checked with-
out a measuring device.
Depending on the application, the inputs of the blocks can be selected exibly from the data matrix.
The matrix is supplied from the outputs of the blocks 0-9.
In the blocks 0, A and C all values from the data matrix can be processed.
For block 5 (*) applies the following: the amplier input can process values only from the strain gauge sensor
inputs. The inputs of the wrap angle correction can be linked only with values from the blocks 0 ... 4.
Blocks 6, 7, 8 and 9 (**) can be linked only with values from the "smaller" blocks.
This guarantees the processing of data in a cycle of 0,52 ms.
Blocks 2,3 and B are not shown because they are currently not used, but are reserved for further use.
Block 5
8 Amplifier
Block 7
8Controller
Block 8
8Adder
Relays
8 NO or
SPDT
Block 1
Anybus
8Analog
Inputs
Block 0
8Buffer
Digital Inputs
8 Photocoupler Inputs DI01...DI08
8 Anybus Digital Inputs DI11 ...18
(Analog values) data matrix
-> 1 cycle ->
selectable via block/channel
11...18 01...08
all
Block 6
Math
8 channel
*
51...58
Block 9
8 Analog
Outputs
Block C
8 Limit
Switches
Display
max.8values
8 DI and 8DO „LEDs“
all
61...68 71...78 81...88 91...98
all ** ** ** **
LS01..08
Block A
Anybus
8Analog
Outputs
Block 4
8Analog
Inputs
41...48
all
Limit Switch and status
Anybus
8Digital
output

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4.1. Function Blocks
Each block consists of 8 channels with identical parameters. Blocks that are not necessary for the specic
application can be disabled. Therefore the operation need not be considered in more detail at this point.
Block 0 - Temporary Storage
the selected signals of the data matrix from the previous cycle are scaled and ltered here.
This allows, for example, the use of the analog output values again as inputs for the controller block.
Block 1 - Anybus Analog Inputs
The incoming "analog data" via the Anybus module are scaled here and can optionally also be ltered.
Block 4 - Analog Inputs
The lter behavior and the scaling of each analog input is adjustable independently.
This way very noisy signals can be better processed. The correction factors for multi-axis sensors are also
entered here.
Block 5 - Ampliers
In this block, the virtual amplier inputs are adapted to the di󰀨erent sensors. Each amplier is associated with
one or more sensor outputs. In the latter case it is possible choose between an average or a summation.
The usual settings, such as zero point and gain are made here. A correction of the wrap angle can be activated
here for each channel and can be individually congured. To simplify conguration, a coupling of the ampliers
is possible. The calibration functions can be triggered by external signals.
Block 6 - Mathematical Functions
In this block, special calculations can be performed.
The block can be used for various calculations. These are for example the averaging of separately evaluated
sensor signals, the di󰀨erence calculation for detecting a defective sensor or the winding diameter projection for
the control function. The signal analysis of the multi-axis sensors is also done in this block.
Block 7 - Controller
This block describes the PID controller with additional functions.
For more details see the Reference Manual.
Block 8 - Adder
The sum of up to 8 signals is calculates here. Due to the separate adjustment of the scaling, which also allows
an inversion, a separate evaluation of the signals is possible.
Software Design 9

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DCX
Block 9 - Analog Outputs
Here the analog voltage outputs are congured independently.
The outputs are exibly allocatable. The signals are ltered di󰀨erently depending on the use.
The output voltage range is also set in this block. The signal can be limited to positive values only. For devices that
may cause problems during further processing, the value can be set to a certain maximum voltage.
It is possible to activate an analog peak value storage per channel. This can be reset via the digital interfaces.
The output range of -10 V to 10 V can be compressed to the range of 0 to 10 V. This is useful when positive and
negative signals are to be processed, but only one current input or one 0 to 10 V input is available.
In addition, a switching function is integrated. This enables switching the output to an alternative signal by using a
digital input.
Block A - Anybus Analog Outputs
The "analog data" sent to the Anybus module, are scaled and ltered here on request.
Block C - Limit Switch
The selectable assignment to external or internal signals enables the a monitoring of a limit switch with adjustable
characteristics.
Digital Inputs
The digital inputs DI01 to DI18 are control inputs intended for activatable special functions (eg external zeroing,
controller lockout, peak level reset, output signal switching)
Digital Outputs
Through the digital outputs, the switching states of the limit switches or their status messages, such as adjustment
function or voltage limitation, are issued. The signals are routed either to the Anybus as 8bit value or they switch
the relays.
10 Software Design