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Danfoss VLT AQUA Drive FC-202P3K0S2 [39/40] Pressure control in bar basic cascade controller pressure control with integrated process controller the vlt aqua drive cascade controller can switch on add...
![Danfoss VLT AQUA Drive FC-202PK55T2 [39/40] Pressure control in bar basic cascade controller pressure control with integrated process controller the vlt aqua drive cascade controller can switch on additional pumps via the relays if necessary controlled variable 0 10 bar on terminal 54](/views2/1557590/page39/bg27.png)
6
This example constitutes a non-binding recommendation with regard
to the General Delivery and Warranty Conditions. It is based on the
factory setup and presumes that the motor data has been confi gured
correctly. This recommendation must be verifi ed by the user.
6.16 Pressure control in bar, basic cascade controller
Pressure control with integrated process controller.
The VLT® AQUA Drive cascade controller can switch on additional
pumps via the relays if necessary.
Controlled variable 0–10 bar on terminal 54.
This example constitutes a non-binding recommendation with regard
Relevant parameters
Par. Function Setting
0-02 Hz/rpm selection [1] Hz
3-10 Preset ref. [0] 25%
Start/Stop
5-10 Terminal 18: digital input [8] Start*
5-12 Terminal 27: digital input [2] Coast (inverse)*
Pressure control
1-00 Control mode [3] PID closed loop
20-12 Reference/feedback unit [71] bar
20-21 Reference 1 5 bar
20-93 PID proportional gain 0.5
20-94 PID integration time 0.8
Scaling in bar
3-02 Min. reference 0 bar*
3-03 Max. reference 10 bar
Feedback signal
20-00 Feedback terminal 1 [2] Analogue input 54*
6-24 Ter. 54 scale min. ref/feedback 0 bar
6-25 Ter. 54 scale max. ref/feedback 10 bar
20-73 Min. feedback level 0 bar
20-74 Maximum feedback level 10 bar
Cascade controller
25-00 Cascade controller [1] Enabled
25-05 Preset control group [1] Yes*
25-06 Number of pumps [1] 3 pumps
25-45 Switch-on threshold [Hz] 45 Hz*
Relay
5-40[0] Relay 1 function [212] Casc. pump 2**
5-40[2] Relay 2 function [213] Casc. pump 3**
* Factory setting
Control voltage pump „1“
Start signal pump „1“
Control voltage pump „2“
Start signal pump „2“
Start cascade control
Coast all pumps
*Safe stop as option
Relay 2
Relay 1
Содержание
- Table of contents 3
- Connection 4
- Dc link circuit mains 4
- Dc zwischenkreis netz motor 4
- Control terminals in basic unit without a b or c options 6
- Inverter 6
- Only for fc 200 with safe stop 6
- Relay 1 relay 2 6
- See section 1 for a description of switches s201 s202 and s801 the maximum rated voltage on analogue inputs 53 and 54 is 20 v 6
- Function of dip switches in basic unit without a b or c options 8
- Digital input programming options 9
- Selectable not selectable x factory setup see programming manual for details 10
- Graphical control unit lcp 102 11
- Operation via lcp 102 11
- Direction 12
- Explanation of lcp 102 status display 12
- Operating mode 12
- Operating range 12
- Operational status 12
- Parameter set 12
- Reference source 12
- Status line 12
- Warning 12
- Commissioning menu submenu q2 of quick menu 13
- Easy commissioning 13
- Other commonly used parameters in the main menu 14
- Using the lcp copy function parameter 0 50 to transfer device parameters 15
- Parameter setting with mct 10 software 16
- Access via rs 232 ethernet or usb converter 17
- General settings 18
- Profibus dp interface 18
- Fault analysis 19
- Warnings alarms and alarm resetting 19
- If the drive does not restart after an alarm reset 20
- Warning and alarm indications 21
- Application examples 24
- Monitoring on terminal 19 24
- Reference 0 50 hz via terminal 53 motor thermistor 24
- Start stop four pole motor motor thermistor 24
- Start stop four pole motor motor thermistor reference 0 50 hz via terminal 53 motor thermistor monitoring on terminal 19 visual alarm indication 24
- Visual alarm indication 24
- Start stop four pole motor oversynchronous motor thermistor 0 72 hz reference value via terminal 53 motor thermistor monitoring on terminal 19 visual alarm indication 25
- Start stop two pole motor motor thermistor reference 0 50 hz via potentiometer on terminal 53 motor thermistor monitoring on terminal 19 visual alarm indication 26
- Start stop two pole motor oversynchronous motor thermistor 0 72 hz reference value via terminal 53 motor thermistor monitoring on terminal 19 visual alarm indication 27
- Start stop motor thermistor reference 0 50 hz terminal 53 motor thermistor monitoring on terminal 19 visual alarm indication 28
- Fixed speeds three diff erent speeds preset references can be selected via fl oating contacts 29
- Automatic fast ramp the starts up with fast acceleration and then runs with slow acceleration reference 0 1500 rpm via potentiometer 30
- Manual off automatic selection with reference value input via keypad in the switch position auto the reference is active via potentiometer in the switch position manual the reference can be set using the up and down buttons in the switch position off the motor is stopped 31
- Manual off automatic selection with reference value input via potentiometer in switch position auto the reference is active via potentiometer in switch position manual the unit can only be operated via the display in switch position off the motor is stopped 32
- Manual profi bus time out selection with profi bus control the converter does not accept any commands via the terminals if profi bus control is interrupted the converter automatically switches to manual mode reference setting via buttons manual mode can also be selected via terminal 18 33
- Pressure control in pressure control with integrated process controller internal reference feedback 0 100 on terminal 54 34
- Pressure control in pa pressure control with integrated process controller internal reference feedback 0 2000 pa on terminal 54 35
- Pressure control in bar with pipe compensation pressure control using integrated process controller with pipe pressure drop compensation internal reference feedback 0 10 bar on terminal 54 36
- H as 0 20 ma signal on terminal 42 37
- H on terminal 54 feedback output 0 5000 37
- Volume fl ow control in m³ h feedback signal output 0 20 ma volume fl ow control with integrated process controller internal reference feedback 0 5000 37
- H as 0 20 ma signal on terminal 42 38
- H on terminal 54 feedback output 0 5000 38
- Volumetric fl ow control in m³ h oversynchronous feedback signal output 0 20 ma volume fl ow control with integrated process controller internal reference feedback 0 5000 38
- Pressure control in bar basic cascade controller pressure control with integrated process controller the vlt aqua drive cascade controller can switch on additional pumps via the relays if necessary controlled variable 0 10 bar on terminal 54 39
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