Page 1 ENGINEERING TOMORROW Programming Guide ® AQUA Drive FC 202 Software version: 3.30 vlt-drives.danfoss.com...
Page 3: Table Of Contents
2.2.14 Infinitely Variable Change of Numeric Data Value 2.2.15 Value, Step by Step 2.2.16 Readout and Programming of Indexed Parameters 2.2.17 How to Program on the Numerical Local Control Panel 2.2.18 LCP Keys 3 Parameter Description 3.1 Parameter Selection MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 4: Parameters 18-** Data Readouts
4.1.3 1-** Load and Motor 4.1.4 2-** Brakes 4.1.5 3-** Reference/Ramps 4.1.6 4-** Limits/Warnings 4.1.7 5-** Digital In/Out 4.1.8 6-** Analog In/Out 4.1.9 8-** Comm. and Options 4.1.10 9-** PROFIdrive 4.1.11 10-** CAN Fieldbus Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 5 4.1.23 26-** Analog I/O Option 4.1.24 29-** Water Application Functions 4.1.25 30-** Special Features 4.1.26 31-** Bypass Option 4.1.27 35-** Sensor Input Option 5 Troubleshooting 5.1 Status Messages 5.1.1 Warnings/Alarm Messages Index MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 6: Introduction
The following symbols are used in this guide: digital terminals). WARNING Motor frequency. Indicates a potentially hazardous situation that could result in death or serious injury. Maximum motor frequency. Minimum motor frequency. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 7: References
Stop command A stop command belonging to Group 1 control commands Digital inputs - see Table 1.1. The digital inputs can be used for controlling various functions of the frequency converter. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 8 Switch off the mains until the display (LCP) is dark, then sometimes, by being programmed to reset automatically. turn power on again. Do not use the trip lock state for personal safety. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 9: Abbreviations, Symbols, And Conventions
Before performing any service or repair work, Position unit use an appropriate voltage measuring device to The physical unit for position values. make sure that there is no remaining voltage on the frequency converter. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 10 Press [Off/Reset] on the LCP before programming parameters. • Completely wire and assemble the frequency converter, motor, and any driven equipment before connecting the frequency converter to AC mains, DC supply, or load sharing. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 11 More monitoring and protective devices may be included, always according to valid national safety regulations, for example, law on mechanical tools, regulations for the prevention of accidents. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 12: Electrical Wiring
For example, switching on the digital input may disturb the analog input signal. If this occurs, it may be necessary to break the shield or insert a 100 nF capacitor between shield and enclosure. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 13 Safe Stop NOTICE Control cables must be shielded/armored. Speed See the section Grounding of Shielded Control Cables in the design guide for the correct termination of control cables. Start/Stop [18] Illustration 1.6 Start/Stop MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 14 Terminal 27 = Parameter 5-12 Terminal 27 Digital Input [19] Freeze reference. Terminal 29 = Parameter 5-13 Terminal 29 Digital Input [21] Speed up. Illustration 1.9 Potentiometer Reference Terminal 32 = Parameter 5-14 Terminal 32 Digital Input [22] Speed down. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 15: How To Program
Status line: Status messages showing text. Oﬀ Reset NOTICE If start-up is delayed, the LCP shows the INITIALIZING Illustration 2.1 LCP message until it is ready. Adding or removing options can delay the start-up. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 16: The Lcp Display
24 V external supply. At the same time, the backlight Q7: Water and pumps. is on. • Green LED/On: Control section is working. • Yellow LED/Warn.: Indicates a warning. • Flashing red LED/Alarm: Indicates an alarm. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 17 Parameter 0-66 Access to Personal Menu w/o Password. [Back] It is possible to switch directly between Quick Menu mode Reverts to the previous step or layer in the navigation and Main Menu mode. structure. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 18 [1] Enable or [0] Disable via parameter 0-40 [Hand on] Key on LCP .External stop signals activated with control signals, or a fieldbus, override a start command via the LCP. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 19: Quick Transfer Of Parameter Settings Between Multiple Frequency Converters
Connect the LCP to another frequency converter and copy after the decimal point. the parameter settings to this frequency converter as well. Example: Current readout 5.25 A; 15.2 A; 105 A. See parameter group 0-2* LCP Display for further details. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 20: Parameter Set-Up
The parameters in Table 2.1 are accessible. Smart Logic. Status 1 (1) 778 RPM 0.86 A 4.0 kW State: 0 o 0 (o ) When: - Do: - Auto Remote Running Illustration 2.13 Status Screen III Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 21: Quick Menu, Q3 Function Set-Ups
Closed-loop single-zone and multi-zone • Booster pumps. applications. • • Mixer pumps. Specific functions related to water. • • Aeration blowers. Wastewater applications. The function set-up parameters are grouped in the following way: MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 22 Parameter 6-21 Terminal 54 High Voltage Parameter 6-24 Terminal 54 Low Ref./Feedb. Value Parameter 6-25 Terminal 54 High Ref./Feedb. Value Parameter 6-00 Live Zero Timeout Time Parameter 6-01 Live Zero Timeout Function Table 2.4 Q3-3 Closed-loop Settings Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 23: Quick Menu, Q4 Smartstart
However, depending on the configuration (parameter 1-00 Configuration Mode), some parameters can be hidden. For example, open loop hides all the PID parameters, and other enabled options make more parameter groups visible. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 24: Changing A Data Value
[OK]. • Menu keys and indicator lights - changing parameters and switching between display functions. • Navigation keys and indicator lights. • Operation keys and indicator lights. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 25 Illustration 2.22 LCP Keys Status mode Status mode shows the status of the frequency converter or the motor. If an alarm occurs, the NLCP automatically switches to status mode. Several alarms can be shown. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 26: Lcp Keys
Parameter 15-30 Fault Log: Error Code to If no external stop function is selected and the [Off] key is parameter 15-32 Alarm Log: Time. inactive, stop the motor by disconnecting the voltage. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 27 Parameter 15-03 Power Up's. • Parameter 15-04 Over Temp's. • Parameter 15-05 Over Volt's. NOTICE A manual initialization also resets serial communication, RFI filter settings (parameter 14-50 RFI Filter), and fault log settings. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 28: Parameter Description
5-** Digital In/out or 6-** Analog In/ providing the parameters necessary to start operation. The out. Main Menu provides access to all parameters for detailed application programming. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 29: Parameters 0-** Operation And Display
Part of language package 1. [49] Russian Part of language package 1. [50] Thai Part of language package 2. [51] Bahasa Part of language package 2. Indonesia [52] Hrvatski Part of language package 2. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 30 FALSE in chapter 4 Parameter Lists. 3.2.2 0-1* Set-up Operations Factory Cannot be changed. It contains the Danfoss setup data set and can be used as a data source when returning the other set-ups to a known Define and control the individual parameter set-ups.
Page 31 2 while the motor is running. Program parameters in set-up 1 first, then ensure that set-up 1 and set-up 2 are synchronized (or linked). Synchronization can be performed in 2 ways: MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 32 Power [hp] Actual power consumed by the motor position. in hp. None No display value selected [1612] Motor Voltage Voltage supplied to the motor. [953] Profibus Shows PROFIBUS communication Warning Word warnings. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 33 Actual value of the signal on input X30/11 ® X30/11 (VLT General Purpose I/O MCB [1638] SL Controller State of the event executed by the 101, optional). State control. [1639] Control Card Temperature of the control card. Temp. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 34 PCD 5 Write to [3462] Program Status [3470] MCO Alarm [3406] PCD 6 Write to Word 1 [3471] MCO Alarm [3407] PCD 7 Write to Word 2 [9913] Idle time [3408] PCD 8 Write to Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 35 Delete parameters by setting the value to 0000. For example, this can be used to provide quick, simple access to just 1 or up to 50 parameters which require changing regularly. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 36 4-14 Motor Speed High [41] m/min Limit [Hz] (depends on setting in [45] parameter 0-02 Motor Speed Unit). [60] °C [70] mbar [71] [72] [73] [74] m WG [75] mm Hg Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 37 When a character is highlighted by the cursor, this character can be changed. A character can be inserted by placing the cursor between 2 ▲ ▼ characters and pressing [ ] or [ MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 38 Copies all parameters in the present set-up 4 programming set-up (defined in parameter 0-11 Programming Set-up) to set-up 4. Copy to Copies the parameters in the present set-up to each of the set-ups 1 to 4. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 39 LCP: Read only Prevents unauthorized editing of My Personal Menu parameters. ® When using VLT Real-time Clock MCB 117, the time is synchronized at 15:00 every day. Bus: Read only All: Read only MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 41 [0 - 25 ] Shows the current date and time. The date and time is updated continuously. The clock does not begin counting until a setting different from default has been made in parameter 0-70 Date and Time. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 42: Parameters 1-** Load And Motor
Flux Flux vector control without encoder when the motor data is programmed. These sensorless feedback, for simple installation and settings typically ensure optimum motor voltage, robustness against sudden load changes. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 43 Parameter 1-10 Motor Asynchro Motor Motor Parameter 1-45 q-axis SynRM – – – Construction non- Salient Inductance Sat. (LqSat) Motor nous salient Parameter 1-46 Positio – Parameter 1-00 Config- n Detection Gain uration Mode MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 44 Speed Low Limit [RPM] Start Parameter 4-12 Motor Parameter 1-80 Functio Speed Low Limit [Hz] n at Stop Parameter 4-13 Motor Parameter 1-81 Min Speed High Limit [RPM] Speed for Function at Stop [RPM] Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 45 This section describes how to set up a PM motor. Initial programming steps To activate PM motor operation, select [1] PM, non-salient SPM or [2] PM, salient IPM in parameter 1-10 Motor Construction. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 46 (320/1800)x1000 = 178. For IPM motors: Configure the inductance values in the following parameters: • Parameter 1-38 q-axis Inductance (Lq). • Parameter 1-44 d-axis Inductance Sat. (LdSat). • Parameter 1-45 q-axis Inductance Sat. (LqSat). Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 47 In most situations, If a complete AMA is not performed, configure the it provides optimum performance without further following parameters manually: adjustments. Run a complete AMA for best performance. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 48 Obtain quick control through a in the inverter at low speed. short damping time constant. However, if this value is too low, the control becomes unstable. This time constant is used above 10% rated speed. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 49 Enter the nominal motor current value from the motor nameplate data. The data is used for calculating motor torque, motor thermal protection, and so on. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 50 2 motor phase cables. Following installation and connection of the motor, this function allows the correct motor rotation direction to be verified. Enabling this Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 51 1 of these methods: P1-35 • Run an AMA on a cold motor. The frequency converter measures the Illustration 3.4 Motor Equivalent Diagram for an Asynchronous Motor MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 53 Illustration 3.6. For asynchronous motor, stator resistance, and d-axis Danfoss frequency converters always require the line-to- inductance values are normally described in technical common value. The back EMF of a PM motor is defined specifications as between line and common (startpoint).
Page 54 Set the nominal back EMF for the motor start first start-up after power-up. This option is used to related 9000 V] when running at 1000 RPM. This with update motor parameters: parameter is only active when store Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 55 Magnetising [RPM] are inactive. Speed has no effect when Use this parameter along with parameter 1-10 Motor Construction = [1] PM, parameter 1-50 Motor Magnetisation at Zero non-salient SPM. Speed. See Table 3.7. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 56 In this case, the default value is 30%. [1] PM non-salient: [0–40%] A general setting of 20% is recommended for PM motors. Higher values can give increased performance. However, on motors with back Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 57 1-64 Resonance Damping. high speed and obtain the optimum U/f charac- teristic. The motor size determines the frequency range within which this parameter is active. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 58 Parameter 2-04 DC Brake Cut In Speed [Hz]. converter supplies the power to the motor. • This parameter is related to the start function Parameter 2-06 Parking Current. selected in parameter 1-72 Start Function. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 59 Size related [ 0 - 20.0 Set the output frequency at which to to avoid overvoltage trip during high-speed activate parameter 1-80 Function at engagement of the flying-start function. Stop. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 60 KTY sensor in the motor reacts if value is 0, the function is not active. If the motor overtemperature occurs. speed at any time after the start (or during Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 61 NOTICE If [20] ATEX ETR is selected, set parameter 4-18 Current Limit to 150%. <800 Ω >2.7 kΩ PTC / Thermistor Illustration 3.13 PTC Thermistor Connection - Digital Input MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 63 An analog input option [1] Analog Input 53 or [2] Analog Input 54 cannot be selected if the analog input is already in use as a reference source MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 64 54 and 55 (GND). See chapter 3.3.15 PTC Thermistor Connection. None Analog input 54 1-97 KTY Threshold level Range: Function: 80 °C [-40 - 140 °C] Select the thermistor sensor threshold level for motor thermal protection. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 65: Parameters 2-** Brakes
1-73 Flying Start. The parking port. current is active during the time period set in parameter 2-07 Parking Time. The braking current is active during the time period set in parameter 2-02 DC Braking Time. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 66 Use this parameter for values without Limit (kW)). decimals. For a selection with 2 decimals, The warning disappears when the use parameter 30-81 Brake Resistor (ohm). transmitted power drops below 80% of the monitoring limit. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 67 300 ms with the brake turned on. If the DC-link ripple amplitude while braking is lower than the DC-link ripple amplitude before braking +1%, the brake check fails. If brake check fails, a warning or alarm is returned. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 68: Parameters 3-** Reference/Ramps
Ref (parameter 3-03 Maximum Reference). When using preset references, select Preset ref. bit 0/1/2 [16], [17] or [18] for the corresponding digital inputs in parameter group 5-1* Digital Inputs. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 69 Illustration 3.20 Actual Reference input signal defined in option [42] Ref source bit 0 as 1 of the digital inputs. For more information, see parameter group 5-1* Digital Inputs, option [42] Ref source bit 0. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 70 0 as 1 of the digital inputs. For more information, see parameter group 5-1* more information, see parameter group 5-1* Digital Inputs, option [42] Ref source bit 0. Digital Inputs, option [42] Ref source bit 0. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 72 Illustration 3.24. 3-87 Check Valve Ramp End Speed [HZ] Range: Function: Size related [ 0 - par. Set the speed in [Hz] below motor 4-12 Hz] speed low limit where the check Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 73 3-90 Step Size. 3-92 Power Restore Option: Function: Off Resets the digital potentiometer reference to 0% after power-up. Restores the most recent digital potentiometer reference at power-up. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 74: Parameters 4-** Limits/Warnings
(parameter 14-01 Switching Frequency). frequency of the motor shaft. The speed low limit must not exceed the setting in parameter 4-14 Motor Speed High Limit [Hz]. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 75 27 or 29, and on relay output 01 or 02. Refer to NOTICE Illustration 3.27. When parameter 1-10 Motor Construction is set to [1] PM, non-salient SPM, the maximum value is limited to 300 Hz. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 76 [ par. 4-54 - Enter the upper reference limit. 999999.999 ] When the actual reference exceeds this limit, the display reads Ref High The signal outputs can be programmed to produce a status Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 77 Bypass From and Bypass To. 4-64 Semi-Auto Bypass Set-up Option: Function: No function. Enabled Starts the semi-automatic bypass set-up and continues with the procedure described in chapter 3.6.4 Semi-Automatic Bypass Speed Set-up. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 78: Parameters 5-** Digital In/Out
The digital inputs are used for selecting various functions Lead pump alternation [121] in the frequency converter. All digital inputs can be set to Pump 1 interlock [130] the following functions: Pump 2 interlock [131] Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 79 [27] Torque limit & stop and Preset reference 7 connect it to a digital input configured as coast. Table 3.13 Preset Reference Bit External Same function as coast stop inverse, but Interlock external interlock generates the alarm MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 80 Low signal selects hand (up) increment counting in the SLC counter. on only. [64] Counter B (Terminal 29 and 33 only) Input for (down) decrement counting in the SLC counter. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 81 The parameter contains all options and functions listed in parameter group 5-1* Digital Inputs except for option [32] Pulse input. 5-15 Terminal 33 Digital Input The parameter contains all options and functions listed in parameter group 5-1* Digital Inputs. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 82 LCP, digital input, or fieldbus. PTC 1 Warning Coasts the frequency converter when Safe Torque Off is activated (terminal 37 off). When the Safe Torque Off circuit is re-established, the frequency Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 83 Motor is running. functions listed in parameter group 5-1* Digital Inputs except for Running/no The output speed is higher than the speed option [32] Pulse input. warning set in parameter 1-81 Min Speed for MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 85 Output is high when there is an active can be used to delay the motor start. command start command, for example auto on, and active a start command via digital input or bus is active, or [Hand On]. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 86 13-16 RS-FF Operand R. [242] RS Flipflop 2 See parameter 13-15 RS-FF Operand S, parameter 13-16 RS-FF Operand R. [243] RS Flipflop 3 See parameter 13-15 RS-FF Operand S, parameter 13-16 RS-FF Operand R. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 87 [36] Control word bit 11 [37] Control word bit 12 [40] Out of ref range [41] Below reference, low [42] Above ref, high [45] Bus ctrl. [46] Bus ctrl, 1 if timeout MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 88 Set terminal 29 (parameter 5-13 Terminal 29 Digital Input) or terminal 33 (parameter 5-15 Terminal 33 Digital Input) to [32] Pulse input. If terminal 29 is used as an input, set parameter 5-02 Terminal 29 Mode to [0] Input. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 89 Function: [103] Motor current NOTICE [5 - 1000 [104] Torque rel to limit This parameter cannot be adjusted [105] Torq relate to rated while the motor is running. [106] Power [107] Speed MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 90 Set the maximum frequency for terminal Hysteresis ±50% of 20% nominal power 29 corresponding to the output variable (=minimum 10% and maximum 30% nominal set in parameter 5-63 Terminal 29 Pulse power). Output Variable. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 91 [0 - 100 %] Contains the frequency to apply to the This parameter group selects digital and relay outputs via a digital output terminal 29 when it is fieldbus setting. configured as bus-controlled. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 92 5-98 Pulse Out #X30/6 Timeout Preset Range: Function: [0 - 100 %] Contains the frequency to apply to the digital output terminal 6 when it is configured as bus-controlled timeout, and timeout is detected. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 93: Parameters 6-** Analog In/Out
Timeout Time. If several timeouts occur simulta- Stop Overruled to stop. neously, the frequency converter prioritizes the Jogging Overruled to jog speed. timeout functions as follows: Max. speed Overruled to maximum speed. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 94 6-24 Terminal 54 Low Ref./Feedb. backUnit 999999.999 scaling value that Value. ReferenceFeed- corresponds to the low backUnit] voltage/low current set in parameter 6-10 Terminal 53 Low Voltage and parameter 6-12 Terminal 53 Low Current. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 95 [-999999.999 - Sets the analog input parameter 6-23 Terminal 54 backUnit 999999.999 scaling value to High Current. ReferenceFeed- correspond to the low backUnit] voltage value (set in parameter 6-30 Terminal X30/11 Low Voltage). MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 96 Function: 10 V [ par. 6-40 - Sets the analog input scaling value to 10 V] correspond to the high reference feedback value set in parameter 6-45 Term. X30/12 High Ref./Feedb. Value. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 97 [109] Out frq 0- [148] Main act Fmax val 4-20mA [113] Ext. Closed 0–100% (0–20 mA). [150] Out frq 0- Loop 1 Fmax [114] Ext. Closed 0–100% (0–20 mA). 4-20mA Loop 2 [156] Flow Rate MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 98 Frequency Converter with Option [254] DC 100% Link 0–20 mA Selected 50Hz 100Hz [255] DC Link The function is the same as [254] DC Link 0– Illustration 3.37 Example 1 4-20mA 20 mA. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 99 6-60 Terminal X30/8 Output 10 mA Same options and functions as parameter 6-50 Terminal 42 Output. 0/4 mA 100% 200% Min ref Max ref Max ref X 20/10 Illustration 3.39 Example 3 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 100 Enter the maximum scaling value of output of the analog signal [53] MCO 4-20mA on terminal X45/1. [100] Output freq. 0-100 Range: Function: [101] Reference Min-Max 100 % [0 - 200 %] [102] Feedback +-200% [103] Motor cur. 0-Imax Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 101 Bus ctrl t.o. 4-20mA [143] Ext. CL 1 4-20mA [144] Ext. CL 2 4-20mA [145] Ext. CL 3 4-20mA [146] Cascade Ref. 4-20mA [147] Main act val 0-20mA [148] Main act val 4-20mA MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 102: Parameters 8-** Communications And Options
• stopped. The function selected in [Reset]. parameter 8-04 Control Timeout Function is • Digital input. then carried out. A valid control word triggers the timeout counter. The minimum Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 103 Resumes the set-up that was active before the timeout. 8-06 Reset Control Timeout This parameter is active only when option [0] Hold set-up has been selected in parameter 8-05 End-of-Timeout Function. Option: Function: MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 104 Logic Rule 1 See parameter group 13-4* Logic Rules. If logic rule 1 is evaluated as true, the 0 indicates that the terminal is low. output goes high. Otherwise, it is low. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 105 DC link voltage high warning high is executed. The output goes low DC link voltage low warning whenever the smart logic action [37] Set DC overvoltage warning digital out F low is executed. DC undervoltage warning MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 106 Overcurrent alarm FC MC Same as [0] FC but to be used when downloading SW to the frequency converter or [10014] Earth fault alarm uploading dll file (covering information [10016] Short circuit alarm Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 107 Size [ 5 - 10000 Specify the minimum delay time as data values. related between receiving a request and [302] Minimum Reference transmitting a response. This is used MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 108 [3409] PCD 9 Write to MCO [1635] Inverter Thermal [3410] PCD 10 Write to MCO [1638] SL Controller State [1639] Control Card Temp. [1642] Service Log Counter [1645] Motor Phase U Current Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 109 [1832] Analog Input X42/5 (digital input) and/or via the fieldbus. [1833] Analog Out X42/7 [V] [1834] Analog Out X42/9 [V] [1835] Analog Out X42/11 [V] [1836] Analog Input X48/2 [mA] [1837] Temp. Input X48/4 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 110 Activates reverse command via the fieldbus/ serial communication port and via 1 of the digital inputs. Logic OR Activates reverse command via the fieldbus/ serial communication port or via 1 of the digital inputs. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 111: Parameters 9-** Profibus
8-82 Slave Message Rcvd Range: Function: [0 - 4294967295 ] This parameter shows the number of valid telegrams addressed to the slave sent by the frequency converter. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 112: Parameters 10-** Can Fieldbus
Ramp 1 Ramp Up Time [342] Ramp 1 Ramp Down Time [351] Ramp 2 Ramp Up Time [352] Ramp 2 Ramp Down Time [380] Jog Ramp Time [381] Quick Stop Ramp Time Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 113 CAN bus off. this function filters out bits in PCD 3 that I/O send error. should not be sent if they change. Initialization error. No bus supply. Bus off. Error passive. Error warning. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 114 Off Deactivates non-volatile storage of data. ® Stores parameter data received via VLT DeviceNet MCA 104 in EEPROM non-volatile memory as default. 10-34 DeviceNet Product Code Range: Function: 0 N/A [0 - 65535 N/A] Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 115: Parameters 13-** Smart Logic
See parameter group 5-3* Digital smart logic control sequence. The logic functions and Outputs for further description. comparators are always running in the background, which opens for separate control of digital inputs and outputs. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 116 This event is true if the frequency converter is tripped (but not trip- [131] Digital input locked) and an automatic reset is x46/13 issued. [43] OK Key This event is true if [OK] is pressed. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 117 This event is true if the frequency Outputs for further description. converter is tripped (but not trip- [21] Alarm (trip lock) See parameter group 5-3* Digital locked) and an automatic reset is Outputs for further description. issued. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 118 [100] RS Flipflop 6 See parameter 13-15 RS-FF Operand S, select index 1 to program comparator 1, and so on. parameter 13-16 RS-FF Operand R. [101] RS Flipflop 7 [102] Verifying Flow [103] Relay 1 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 119 [132] Digital input DI27 [51] TRUE [133] Digital input DI29 [52] Control ready [134] Digital input DI32 [53] Drive ready [135] Digital input DI33 [54] Running [150] SL digital output A [55] Reversing MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 120 [242] Totalized Vol in billions [243] Totalized Vol in trillions [245] Actual Vol in thousands [246] Actual Vol in millions [247] Actual Vol in billions [248] Actual Vol in trillions [249] Therm. Sensor Temp. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 122 Alarm (trip) [100] RS Flipflop 6 [21] Alarm (trip lock) [101] RS Flipflop 7 [22] Comparator 0 [102] Verifying Flow [23] Comparator 1 [103] Relay 1 [24] Comparator 2 [104] Relay 2 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 123 Broken Belt [90] ECB Drive Mode [91] ECB Bypass Mode [92] ECB Test Mode [93] Emergency Mode [94] RS Flipflop 0 [95] RS Flipflop 1 [96] RS Flipflop 2 [97] RS Flipflop 3 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 124 See parameter group 5-3* Digital logic rule. Outputs for further description. [25] Comparator 3 Use the result of comparator 3 in the In range See parameter group 5-3* Digital logic rule. Outputs for further description. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 125 [46] Right Key This logic rule is true if [►] is pressed. [107] Relay 5 ▲ [47] Up Key This logic rule is true if [ ] is pressed. [108] Relay 6 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 126 Evaluates the expression NOT [13-40] OR [34] Digital input DI19 [13-42]. [35] Digital input DI27 [7] NOT AND Evaluates the expression NOT [13-40] AND NOT [36] Digital input DI29 [13-42]. [37] Digital input DI32 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 127 [100] RS Flipflop 6 See parameter 13-15 RS-FF Operand S, parameter 13-16 RS-FF Operand R. [101] RS Flipflop 7 See parameter 13-15 RS-FF Operand S, parameter 13-16 RS-FF Operand R. [102] Verifying Flow MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 128 Digital input x30/4 [11] Below speed low [80] No Flow [12] Above speed high [81] Dry Pump [13] Out of feedb. range [82] End of Curve [14] Below feedb. low [83] Broken Belt Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 129 [47] Up Key See parameter 13-02 Stop Event for [48] Down Key further descriptions of options and [50] Comparator 4 their functions. [51] Comparator 5 [60] Logic rule 4 False MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 130 Selects preset reference 7. If the active [125] Digital input x46/1 preset reference is changed, it merges [126] Digital input x46/3 with other preset reference commands [127] Digital input x46/5 [128] Digital input x46/7 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 131 [40] Set digital out C Any output with digital output 3 high selected is high (closed). [41] Set digital out D Any output with digital output 4 high selected is high (closed). MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 132 [37] Digital input DI32 Range: Function: [38] Digital input DI33 [0 - 4294967295 ] Shows the warning word of a user- [50] Comparator 4 defined alarm in hex code. [51] Comparator 5 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 133 Parameter Description Programming Guide 13-99 Alert Status Word Range: Function: [0 - 4294967295 ] Shows the status word of a user-defined alarm in hex code. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 134: Parameters 14-** Special Functions
This extra voltage results in an extra torque of 10–12% in the middle of the oversyn- chronous range (from 0% at nominal speed, rising to approximately 12% at double nominal speed). Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 135 [5] Kinetic The difference between kinetic back-up with and back-up, without trip is that the latter always ramps down trip to 0 RPM and trips, regardless of whether mains returns or not. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 136 Illustration 3.51 shows ramping down as long as the energy This results in a higher U , which is limited using in the system allows it, then the motor coasts. the brake chopper/resistor brake. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 137 This parameter is active when parameter 14-20 Reset Mode is set to [1]–[13] Automatic reset. Parameters for configuring auto reset handling, special trip handling, and control card self-test or initialization. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 138 The red indicator light on the control card is turned on. To test the plugs, connect/group the following terminals as shown in Illustration 3.54: • (18, 27, and 32) • (19, 29, and 33) • (42, 53, and 54) Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 139 Setting it to a lower value makes it react faster. A setting too low leads to controller instability. Enter the minimum frequency at which the automatic energy optimization (AEO) is to be active. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 140 Function: 14-52 Fan Control 100 % [0 - 200 %] Select the gain applied to the voltage when using an LC filter. Option: Function: Select the minimum speed of the main fan. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 141 (110% for 60 s). Option: Function: Trip The frequency converter trips and issues an alarm. Derate Reduces pump speed to decrease the load on the power section, allowing this to cool down. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 142 2) This parameter has been 1490.6 in all firmware versions up to 1.86. 3) Alarm 244, Heat sink temp., alarm 245, Heat sink sensor, and alarm 247, Power card temp. are used for multiple power cards. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 143: Parameters 15-** Drive Information
Reset counter Press [OK] to reset the kWh counter to 0 [1616] Torque [Nm] (see parameter 15-02 kWh Counter). [1617] Speed [RPM] [1618] Motor Thermal [1622] Torque [%] [1625] Torque [Nm] High [1630] DC Link Voltage MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 144 Torque limit Current Limit Out of current range Below I low Above I high [10] Out of speed range [11] Below speed low [12] Above speed high [13] Out of feedb. range Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 145 1 of the following ways: • The LCP shows the message: Clear logs Service log full: 28 [M26] • Bit 25 is set high in parameter 16-96 Maintenance Word (0x2000000). MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 146 Illustration 3.57 Service Log View, 5 s a service log record when going into the alarm state. Use the zoom function to focus on the last 250 ms before the fault. See Illustration 3.58. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 147 [0 - 65535 ] View the fault code and look up its meaning in value. chapter 5 Troubleshooting. Warning word Decimal value. See parameter 16-92 Warning Word for a description. Alarm word Decimal value. See parameter 16-90 Alarm Word for a description. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 148 [130] lb/s Range: Function: [131] lb/min [0 - 100 %] [132] lb/h [140] ft/s [141] ft/min [145] [160] °F [170] [171] lb/in² [172] in WG [173] ft WG [174] in Hg [180] Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 149 [0 - 20 ] View the installed option software version. [0 - 8 ] View the power card ordering number. 15-48 LCP Id No Range: Function: [0 - 20 ] View the LCP ID number. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 150 [0 - 20 ] View the software version for the option installed in slot C. 15-76 Option in Slot C1/E1 Range: Function: [0 - 30 ] Shows the type code string for the options (CXXXX if there is no option). Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 151: Parameters 16-** Data Readouts
CustomRea- parameter 0-30 Custom Readout MAV. doutUnit] Unit, parameter 0-31 Custom Readout Min Value, and parameter 0-32 Custom Readout Max Value. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 152 This is the value monitored by the broken-belt function set in parameter group 22-6* Broken Belt 16-35 Inverter Thermal Detection. Range: Function: [0 - 100 %] View the thermal load on the inverter. The cutout limit is 100%. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 153 View value of Short circuit. 999999.999 feedback 1, see • Overcurrent. ProcessCtrlUnit] parameter group 20-0* • Imbalance of supply voltage (from left): Feedback. 1–4 – inverter, 5–8 – rectifier, 0 – no fault recorded. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 154 Digital input GP I/O terminal 0 N/A [0 - 40000 N/A] View the actual value of pulses on X30/2. terminal 29 in digital output mode. Bits 10–63 Reserved for future terminals. Table 3.26 Digital Input Bits Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 155 View the actual value at input X30/8 in mA. 16-78 Analog Out X45/1 [mA] Range: Function: 0.000 [0.000 - Shows the actual output value at 30.000 N/A] terminal X45/1. The value shown MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 156 16-95 Ext. Status Word 2 Range: Function: [0 - 4294967295 ] Returns the extended warning word 2 sent via the serial communication port in hex code. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 157 The 3 digit 0 indicates that no items from the 2 row require maintenance. The 4 digit A refers to the top row indicating that the valve and the pump bearings require maintenance. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 158: Parameters 18-** Data Readouts 2
0-70 Date and Time. Date format depends on the setting in parameter 0-71 Date Format, while the time format depends on the setting in parameter 0-72 Time Format. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 159 [0 - 30 ] Readout of the value of the signal applied to SensorlessUnit] ® terminal X42/7 on the VLT analog I/O card MCB 109. The value shown reflects the selection in parameter 26-40 Terminal X42/7 Output. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 160 [0 - 65535 ] View the signal states from the active digital ® inputs on the VLT Advanced Cascade Controller MCO 102: Counting from right to left the positions in the binary are: DI7...DI1 ⇒ pos. 2 ...pos. 8. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 161: Parameters 20-** Fc Closed Loop
P 20-04 Average (1+2+3) P 20-03 Minimum (1|2|3) Maximum (1|2|3) Feedback conv. Feedback 3 Feedback 3 Source P 20-07 P 20-06 Feedback Function P 20-20 Illustration 3.60 Input Signals in Closed-loop PID Controller MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 162 Software with sensorless plug-in. [40] [41] m/min [200] Ext. Closed Loop [45] [60] °C [201] Ext. Closed Loop [70] mbar [71] [202] Ext. Closed Loop [72] [73] [74] m WG [75] mm Hg Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 163 [201] Ext. Closed Loop 2 [202] Ext. Closed Loop 3 [10] 1/min [11] 20-04 Feedback 2 Conversion [12] Pulse/s Option: Function: [20] See parameter 20-01 Feedback 1 Conversion for [21] l/min details. [22] MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 164 [172] in WG reference and feedback that the PID controller uses for [173] ft WG controlling the output frequency of the frequency converter. [174] in Hg Option: Function: [180] [10] 1/min [11] Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 165 PID controller increases the fan speed if any feedback References) are used as the setpoint reference of value is below its setpoint. If all feedbacks are above their the PID controller. individual setpoints, the PID controller decreases the fan speed. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 166 Setpoint difference between feedback 1 and setpoint 1, feedback 2 and setpoint 2, and feedback 3 and setpoint 3. It uses the feedback/setpoint pair in which the feedback is farthest above its Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 167 For PID [121] gal/s control, the auto-tuning feedback response defines the [122] gal/min required values for parameter 20-93 PID Proportional Gain [123] gal/h and parameter 20-94 PID Integral Time are calculated. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 168 PID adaptation. The setting aborted and an error message has no impact on values of parameters appears in the LCP. and only affects the auto-tuning speed. Auto Takes 30–120 s to complete. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 169 When the output speed programmed is reached, the frequency converter automatically switches to closed- loop mode and the PID controller begins to function. This is useful in applications that MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 170 20-9* PID Controller. reduces the maximum effect of the PID controller differential function. This parameter is only active when parameter 20-95 PID Differentiation Time is not set to OFF (0 s). Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 171: Parameters 21-** Extended Closed Loop
Use a graphical LCP to react on messages during the auto- tuning sequence. Enabling auto-tuning, parameter 21-09 PID Auto Tuning puts the relevant PID controller into PID auto-tuning mode. The LCP then provides on-screen instructions. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 172 Parameter 20-05 Feedback 2 Source Unit for EXT CL 3. If the level drops below parameter 21-03 Minimum Feedback Level, PID auto-tuning is aborted, and an error message appears in the display. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 173 See also [41] m/min parameter 21-21 Ext. 1 Propor- [45] tional Gain. [60] °C [70] mbar [71] [72] [73] [74] m WG [75] mm Hg [80] [120] GPM [121] gal/s MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 174 3-03 Maximum Reference, the PID [101] Bus Feedback 2 controller tries to change the output speed equal to what [102] Bus feedback 3 is set in parameter 4-13 Motor Speed High Limit [RPM]/ [104] Sensorless Flow Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 175 [132] lb/h [0 - 200 %] Enter the on-reference bandwidth. When the [140] ft/s PID control error (the difference between the [141] ft/min reference and the feedback) is less than the [145] ft MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 176 21-41 Ext. 2 Proportional Gain Analog Input 53 Range: Function: Analog Input 54 0.50 [0 - 10 ] See parameter 21-21 Ext. 1 Proportional Gain for Pulse input 29 details. Pulse input 33 Analog Input X30/11 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 177 Analog Input 54 Range: Function: Pulse input 29 Pulse input 33 0 ExtPID3Unit [-999999.999 - See parameter 21-18 Ext. 1 [20] Digital pot.meter Feedback [Unit] for details. 999999.999 [21] Analog input X30/11 ExtPID3Unit] MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 178 [0 - 200 %] Enter the on-reference bandwidth. When the PID control error (the difference between the reference and the feedback) is less than the value of this parameter, the on-reference status bit is high. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 179: Parameters 22-** Application Functions
This function is used to detect a no-flow situation in pump systems where all valves can be closed. It can be used both when controlled by the integrated PI controller in the frequency converter or an external PI controller. Program MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 180 22-3*, No-Flow Power Tuning. has a flat characteristic towards low speed. Base the 2 sets of data on measurement of power at approximately 50% and 85% of maximum speed with the Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 181 • A pressure drop at the outlet caused out the low-power detection commissioning. by closing a non-return valve. In such applications, the frequency converter potentially does not reduce the speed to the MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 182 See parameter group 22-4* Sleep Mode for programming options for sleep mode. Warning The frequency converter continues to run, but activates a no-flow warning (warning 92, NoFlow). A digital output or a serial communi- Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 183 Parameter 16-11 Power [hp] in the Main Menu. Stop and Trip Note the power readout. Change speed to approximately 50% of rated speed. Note the exact speed. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 184 To be used if parameter 0-02 Motor Speed necessary for tuning no-flow detection. related 22-37 Hz] Unit is set for [1] Hz (parameter not visible if [0] RPM is selected). Set used speed for the 50% level. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 185 Boost system with pressure feedback. • System with pressure feedback. • Boost system without pressure feedback. Time No/Low Flow Sleep mode detected activated System Wake Boost activated Illustration 3.67 Boost System with Pressure Feedback MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 186 LCP). See parameter 3-13 Reference Site. after a start command (digital input or Does not work in hand-on mode. Carry out auto set-up fieldbus) before entering sleep mode. in open loop before setting input/output in closed loop. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 188 When the time set in this Stop and parameter expires, and the end-of-curve Trip condition is steady during the entire period, the function set in parameter 22-50 End of Curve Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 189 Sets the minimum run time after a normal start on whether the speed at system design working point is command (start/jog/freeze). Any normal stop known. command is disregarded until the set time has MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 190 , Point C), the flow at that pressure, Q DESIGN RATED can be determined. Similarly, by plotting the design flow (Q , Point D), the pressure H DESIGN DESIGN Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 191 22-84 Speed at No-Flow [Hz] 999999.999 ] to the pressure at rated speed, in reference/feedback units. Range: Function: This value can be defined Size [ 0 - Resolution 0.033 Hz. using the pump datasheet. related par. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 192 Also, see parameter 22-82 Work Point Calculation. Range: Function: Size related [ 0 - 999999999 ] Enter the value corresponding to flow at rated speed. This value can be defined using the pump datasheet. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 193: Parameters 23-** Time-Based Functions
[16] Select preset ref 6 comprises a special guide for easy programming of [17] Select preset ref 7 timed actions. [18] Select ramp 1 [19] Select ramp 2 [22] [23] Run reverse MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 194 Sleep Mode [81] Derag [82] Reset Derag Counter [90] Set ECB Bypass Mode [91] Set ECB Drive Mode [100] Reset Alarms [101] Reset Flow Totalized Volume Counter [102] Reset Flow Actual Volume Counter Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 195 To disable a preventive maintenance event, set the associated parameter 23-12 Maintenance Time Base to [0] Disabled. Preventive maintenance can be programmed from the LCP, but use of the PC-based MCT 10 Set-up Software is recommended. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 196 [21] Maintenance Text 1 Fan bearings [22] Maintenance Text 2 Pump bearings [23] Maintenance Text 3 Valve [24] Maintenance Text 4 Pressure transmitter [25] Maintenance Text 5 Flow transmitter [26] Service log full Temperature transm. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 197 This parameter is only used if [1] Running Hours or [2] Operating Hours is selected in parameter 23-12 Maintenance Time Base. The timer is reset from parameter 23-15 Reset Maintenance Word. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 198 The period/split (resolution) can be set in clock has not been set properly, for parameter 23-50 Energy Log Resolution. example after a power-down. Select the type of period for logging consumption: [0] Hour of Day, [1] Day of Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 199 [0 - Do reset 4294967295 ] All counters are automatically reset when changing the setting in parameter 23-50 Energy Log Resolution. At overflow, the update of the counters stops at maximum value. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 200 Counter 8: +6 Counter 7: +2 Counter 6: +1 Counter 5: +11 Counter 4: +0 Counter 3: +1 Counter 2: +0 Counter 1: +1 Counter 0: +5 Illustration 3.77 Time and Relative Values Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 201 23-63 Timed Period Start, and stops at the time/date programmed in parameter 23-64 Timed Period Stop. All counters can be reset to 0 in parameter 23-67 Reset Timed Bin Data. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 202 If the energy cost is changed The difference between the reference power at fixed speed later on, it impacts the calculation for the and the actual power yielded with speed control shows entire period. the actual saving. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 203 23-86 CO2 Reduction Range: Function: 0 kg [0 - 0 Shows the CO2 depletion in kg based on the CO2 conversion factor (parameter 23-85 CO2 Conversion Factor) and saved energy (parameter 23-83 Energy Savings). MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 204: Parameters 24-** Application Functions 2
In no event shall Danfoss be liable to the end user or any other party for any direct or indirect, special, or consequential damage or loss suffered by such party, which has occurred due to the frequency converter being programmed and operated in emergency mode.
Page 205 NOTICE Select the unit when emergency mode is active Before adjusting the PID controller, set and running in closed loop. parameter 24-09 Emergency Mode Alarm Handling, [2] Trip, All Alarms/Test. [10] 1/min MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 206 [132] lb/h parameter 24-06 Emergency Mode Reference [140] ft/s Source. [141] ft/min [145] ft [160] °F [170] psi [171] lb/in² [172] in WG [173] ft WG [174] in Hg [180] HP Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 207 Analog Input X42/5 Inrush fault [99] Normal Feedback Internal fault [100] Bus Feedback 1 Ctrl. card temp [101] Bus Feedback 2 Safe Stop [102] Bus feedback 3 Table 3.33 Emergency Mode Alarm Handling MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 208 • If the bypass delay timer must also elapse before the relay action is (parameter 24-11 Drive Bypass Delay performed. Time) expires before reset attempts have been completed. Enabled (Emergency M Only) Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 209: Parameters 25-** Cascade Controller
Alternation Event (P 25-51): External interval timer mode P 25-52 P 25-54 Alt. if capacity<50% (P 25-55): Disabled Enabled Staging mode at alternation (P 25-56): Slow Quick Illustration 3.79 Cascade Controller Sample Set-up MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 210 1 lead pump, see parameter 25-05 Fixed Lead Pump. selection of pump cycling is either first in – last out 2 fixed speed pumps controlled by built-in relays. or equal running hours for each pump. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 211 25-25 OBW Time. To avoid unintended staging during the commissioning phase and fine-tuning of the controller, initially leave the OBW at the factory setting of 100% (Off). When the fine-tuning is MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 212 OBW (27-71) SBW (27-70) Actual head Setpoint SBW (27-70) OBW (27-71) OBW timer (27-25) Illustration 3.84 SBW Staging Delay Illustration 3.86 OBW Time Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 215 HIGH formula: is the value of staging threshold. STAGE100% DESTAGE % DESTAGE = HIGH where n is motor speed high limit and HIGH is the value of destaging threshold. DESTAGE100% MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 216 It is not possible to set this parameter to converter is not running. options other than [0] Off if parameter 25-02 Motor Start is set other than [0] Direct on Line. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 218 0 by writing in system. If no lead pump is selected (cascade the parameter, for example, if the pump is controller disabled or all pumps interlocked), the replaced at a service. display shows N1. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 219: Parameters 26-** Analog I/O Option Mcb 109
21-** Extended Closed Loop. There are 3 Relays independent closed-loop PID controllers. Relay 1, terminals 1, 2, 3. Parameter group 5-4* Relays. Relay 2, terminals 4, 5, 6. Parameter group 5-4* Relays. Table 3.34 Analog Inputs MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 220 Celsius or Fahrenheit. • parameter 26-14 Term. X42/1 Low Ref./Feedb. Parameter 20-12 Reference/Feedback Value. Unit. • Parameter 21-10 Ext. 1 Ref./Feedback Unit. • Parameter 21-30 Ext. 2 Ref./Feedback Unit. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 221 0.07 V [ 0 - par. Enter the low voltage value. This analog Disabled 6-31 V] input scaling value should correspond to Enabled the low reference/feedback value set in MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 222 26-37 Term. X42/5 Live Zero setting in parameter 26-42 Terminal X42/7 Max. Option: Function: Scale. Enable or disable the live zero monitoring. See principle graph for parameter 6-51 Terminal 42 Output Min Scale. Disabled Enabled Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 223 Limit Motor Mode), (0–10 V). [0 - 100 %] Holds the level of terminal X42/9 if [105] Torque 0-Tnom 0–motor rated torque, (0–10 V). controlled by bus. [106] Power 0-Pnom 0–motor rated power, (0–10 V). MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 224 [0 - 100 %] Holds the preset level of terminal X42/11. If a fieldbus and a timeout function are [139] Bus ctrl. 0–100%, (0–10 V). selected, the output presets to this level. [141] Bus ctrl t.o. 0–100%, (0–10 V). [156] Flow Rate Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 225: Parameters 27-** Cascade Ctl Option
The variable speed pumps are staged on and destaged first based on the frequency converter speed. The fixed speed pumps are then staged on last and destaged last based on the feedback pressure. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 226 The Cascade Controller is executing a spin cycle of the pump. [10] No Relay The pump is not directly connected to Connection the frequency converter, and a relay is not assigned to the pump. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 227 The capacity of the first pump is [1] Master/ Select this option to use only variable speed 100%. Follower pumps connected to frequency converters. Selecting this option sets parameter 8-30 Protocol to [22] Cascade Modbus Master. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 228 The value is the percentage of parameter 21-12 Ext. 1 Maximum Reference. This parameter allows responding to sudden changes in demand without a delay. The override functionality can be disabled by setting this parameter to 100%. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 229 Enter the time that the lead pump must run related 300 s] at minimum speed while the system feedback is still inside the normal operating band before a pump is turned off to save energy. Energy savings are achieved by MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 230 [ 0.0 - If the lead pump speed is lower than the parameter 27-23 Staging Delay and a related 50 Hz] value in this parameter for the time specified in parameter 27-24 Destaging Delay Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 231 Not used with star/delta controlled Threshold are kept up to date with the new pumps. calculated values. If parameter 27-43 Staging Threshold and parameter 27-44 Destaging Threshold are modified via the fieldbus or the MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 232 Enter the time between alternations. Disable 10080 the alternation by entering the value 0. (27-58) Illustration 3.109 Run Next Pump Delay min] Parameter 27-53 Alternation Timer Value shows the time remaining until the next alternation occurs. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 233 PTC Card 1 [85] Latched Pump Derag [86] Flow Confirmation [87] Reset Flow Totalized Volume Counter [88] Reset Flow Actual Volume Counter [89] Reset Derag Counter [120] Lead Pump Start [121] Lead Pump Alternation MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 235 M:D F:0 F:X D: Variable speed pump. 0: Not running. X: Interlock or Range: Function: OFF mode. x: Tripped or no communication. [0 - 0 %] Range: Function: [0 - 25 ] MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 236 27-96 Extended Cascade Relay Output [bin] Range: Function: [0 - 7 ] Shows the status of relay outputs. From left to right, the bits correspond to relay outputs 12, 11, and 10. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 237: Parameters 29-** Water Application Functions
Initial ramp Fill time or lled setpoint 29-03 Pipe Fill Time Illustration 3.110 Horizontal Pipe System Range: Function: [0 - 3600 s] Set the specified time for pipe filling of horizontal pipe systems. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 238 Depending on the application and the purpose of using it, this feature can be used as a preventive or reactive measure and can be triggered/started in the following ways: Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 239 [0 - 0 kW] Readout of calculated derag power at actual 10 s [1 - 600 s] The time that the frequency converter speed. remains off before starting another derag pulse. Allows contents of the pump to settle. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 240 RPM. 29-29 High Speed [Hz] Range: Function: Size related [ 0.0 - par. Set output speed used for 4-14 Hz] registration of derag power at high speed in Hz. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 241 [0 - 600 Enter how long the post-lube function is on after the motor stops. Use only when option [3] Pre & Running & Post is selected in parameter 29-40 Pre/Post Lube Function. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 242 When parameter 29-51 Verification Time passes, the frequency converter performs coasting if frequency converter checks the signal from the external the input signal is lost. device again and then runs normally. Illustration 3.115 Flow Confirmation Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 243 Pulse Input 29 • Pulse Input 33 Using a digital input. [10] Bus Feedback 1 • Using an action of the smart logic controller. [11] Bus Feedback 2 [12] Bus Feedback 3 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 244 Range: Function: 0 TotalizedVolumeUnit [0 - 2147483647 Totalized- VolumeUnit] 29-66 Actual Volume Shows the volume of pumped water for a period of time. Range: Function: 0.00 ActualVolumeUnit [0.00 - 21474836.47 Actual- VolumeUnit] Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 245: Parameters 30-** Special Features
2-13 Brake Power Option: Function: Monitoring. Do Nothing The frequency converter does not do any extra actions. Stop Motor The frequency converter stops the motor (if the motor was started via a wireless connection). MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 246: Parameters 31-** Bypass Option
In this mode, the LCP does not control start/stop of the bypass. 31-10 Bypass Status Word Range: Function: [0 - 65535 ] Views the status of the bypass as a hexadecimal value. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 247: Parameters 35-** Sensor Input Option
PT1000 2-wire constant for suppressing electrical noise PT100 3-wire in terminal X48/7. A high time constant value improves dampening, but also PT1000 3-wire increases the time delay through the filter. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 248 Range: Function: in terminal X48/2. A high time constant value improves dampening, but also Size related [ -50 - par. 35-37 ] increases the time delay through the filter. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 249 Parameter Description Programming Guide 35-47 Term. X48/2 Live Zero This parameter makes it possible to enable the live zero monitoring. Option: Function: Disabled Enabled MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 250: Parameter Lists
Unsigned 8 Uint8 Unsigned 16 Uint16 Unsigned 32 Uint32 Visible String VisStr Normalized value 2 bytes Bit sequence of 16 boolean variables Time difference w/o date TimD Table 4.2 Conversion Index Description Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 251: Operation/Display
Date and Time ExpressionLimit All set-ups TRUE TimeOfDay 0-71 Date Format ExpressionLimit 1 set-up TRUE Uint8 0-72 Time Format ExpressionLimit 1 set-up TRUE Uint8 0-74 DST/Summertime [0] Off 1 set-up TRUE Uint8 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 252 1 set-up TRUE Uint8 0-82 Additional Working Days ExpressionLimit 1 set-up TRUE TimeOfDay 0-83 Additional Non-Working Days ExpressionLimit 1 set-up TRUE TimeOfDay 0-89 Date and Time Readout 0 N/A All set-ups TRUE VisStr[25] Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 253: Load And Motor
V/f Characteristic - f ExpressionLimit All set-ups TRUE Uint16 1-58 Flying Start Test Pulses Current ExpressionLimit All set-ups FALSE Uint16 1-59 Flying Start Test Pulses Frequency ExpressionLimit All set-ups FALSE Uint16 1-6* Load Depen. Setting MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 254 1-94 ATEX ETR cur.lim. speed reduction 2 set-ups TRUE Uint16 1-98 ATEX ETR interpol. points freq. ExpressionLimit 1 set-up TRUE Uint16 1-99 ATEX ETR interpol points current ExpressionLimit 2 set-ups TRUE Uint16 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 255: Brakes
All set-ups TRUE Uint8 2-15 Brake Check [0] Off All set-ups TRUE Uint8 2-16 AC brake Max. Current 100% All set-ups TRUE Uint32 2-17 Over-voltage Control [2] Enabled All set-ups TRUE Uint8 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 256: Reference/Ramps
3-92 Power Restore [0] Off All set-ups TRUE Uint8 3-93 Maximum Limit 100% All set-ups TRUE Int16 3-94 Minimum Limit All set-ups TRUE Int16 3-95 Ramp Delay ExpressionLimit All set-ups TRUE TimD Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 257: Limits/Warnings
TRUE Uint16 4-62 Bypass Speed To [RPM] ExpressionLimit All set-ups TRUE Uint16 4-63 Bypass Speed To [Hz] ExpressionLimit All set-ups TRUE Uint16 4-64 Semi-Auto Bypass Set-up [0] Off All set-ups FALSE Uint8 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 258: Digital In/Out
Pulse Output Max Freq #29 5000 Hz All set-ups TRUE Uint32 5-66 Terminal X30/6 Pulse Output Variable [0] No operation All set-ups TRUE Uint8 5-68 Pulse Output Max Freq #X30/6 5000 Hz All set-ups TRUE Uint32 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 259 All set-ups TRUE 5-96 Pulse Out #29 Timeout Preset 1 set-up TRUE Uint16 5-97 Pulse Out #X30/6 Bus Control All set-ups TRUE 5-98 Pulse Out #X30/6 Timeout Preset 1 set-up TRUE Uint16 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 260: Analog In/Out
All set-ups TRUE Int16 6-62 Terminal X30/8 Max. Scale 100% All set-ups TRUE Int16 6-63 Terminal X30/8 Output Bus Control All set-ups TRUE Terminal X30/8 Output Timeout 6-64 Preset 1 set-up TRUE Uint16 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 261 All set-ups TRUE Int16 6-82 Terminal X45/3 Max. Scale 100% All set-ups TRUE Int16 6-83 Terminal X45/3 Bus Control All set-ups TRUE Terminal X45/3 Output Timeout 6-84 Preset 1 set-up TRUE Uint16 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 262: Comm. And Options
Bus Error Count 0 N/A All set-ups TRUE Uint32 8-82 Slave Message Rcvd 0 N/A All set-ups TRUE Uint32 8-83 Slave Error Count 0 N/A All set-ups TRUE Uint32 8-9* Bus Jog/Feedback Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 263: Profidrive
FALSE Uint16 9-93 Changed Parameters (4) 0 N/A All set-ups FALSE Uint16 9-94 Changed Parameters (5) 0 N/A All set-ups FALSE Uint16 9-99 PROFIBUS Revision Counter 0 N/A All set-ups TRUE Uint16 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 264: Can Fieldbus
All set-ups TRUE Uint16 10-33 Store Always [0] Off 1 set-up TRUE Uint8 10-34 DeviceNet Product Code ExpressionLimit 1 set-up TRUE Uint16 10-39 DeviceNet F Parameters 0 N/A All set-ups TRUE Uint32 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 265: Smart Logic
13-9* User Defined Readouts 13-97 Alert Alarm Word 0 N/A All set-ups FALSE Uint32 13-98 Alert Warning Word 0 N/A All set-ups FALSE Uint32 13-99 Alert Status Word 0 N/A All set-ups FALSE Uint32 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 266: Special Functions
Inv. Overload Derate Current All set-ups TRUE Uint16 14-8* Options 14-80 Option Supplied by External 24VDC [0] No 2 set-ups FALSE Uint8 14-9* Fault Settings 14-90 Fault Level ExpressionLimit 1 set-up TRUE Uint8 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 267: Drive Information
All set-ups TRUE VisStr[20] 15-59 Filename ExpressionLimit 1 set-up FALSE VisStr[16] 15-6* Option Ident 15-60 Option Mounted 0 N/A All set-ups FALSE VisStr[30] 15-61 Option SW Version 0 N/A All set-ups FALSE VisStr[20] MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 268 0 N/A All set-ups FALSE Uint16 15-93 Modified Parameters 0 N/A All set-ups FALSE Uint16 15-98 Drive Identification 0 N/A All set-ups FALSE VisStr[40] 15-99 Parameter Metadata 0 N/A All set-ups FALSE Uint16 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 269: Data Readouts
Adjusted Setpoint 0 ProcessCtrlUnit All set-ups TRUE Int32 16-6* Inputs & Outputs 16-60 Digital Input 0 N/A All set-ups TRUE Uint16 16-61 Terminal 53 Switch Setting [0] Current All set-ups TRUE Uint8 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 270 TRUE Uint32 16-94 Ext. Status Word 0 N/A All set-ups TRUE Uint32 16-95 Ext. Status Word 2 0 N/A All set-ups TRUE Uint32 16-96 Maintenance Word 0 N/A All set-ups TRUE Uint32 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 271: Info & Readouts
18-7* Rectifier Status 18-70 Mains Voltage All set-ups TRUE Uint16 18-71 Mains Frequency 0 Hz All set-ups TRUE Int16 18-72 Mains Imbalance All set-ups TRUE Uint16 18-75 Rectifier DC Volt. All set-ups TRUE Uint16 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 272: Drive Closed Loop
2 N/A All set-ups TRUE Uint16 20-94 PID Integral Time All set-ups TRUE Uint32 20-95 PID Differentiation Time All set-ups TRUE Uint16 20-96 PID Diff. Gain Limit 5 N/A All set-ups TRUE Uint16 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 273: Ext. Closed Loop
Ext. 3 Reference [Unit] 0 ExtPID3Unit All set-ups TRUE Int32 21-58 Ext. 3 Feedback [Unit] 0 ExtPID3Unit All set-ups TRUE Int32 21-59 Ext. 3 Output [%] All set-ups TRUE Int32 21-6* Ext. CL 3 PID MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 274 21-62 Ext. 3 Integral Time 20 s All set-ups TRUE Uint32 21-63 Ext. 3 Differentiation Time All set-ups TRUE Uint16 21-64 Ext. 3 Dif. Gain Limit 5 N/A All set-ups TRUE Uint16 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 275: Appl. Functions
Int32 22-8* Flow Compensation 22-80 Flow Compensation [0] Disabled All set-ups TRUE Uint8 22-81 Square-linear Curve Approximation 100% All set-ups TRUE Uint8 22-82 Work Point Calculation [0] Disabled All set-ups TRUE Uint8 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 276 Pressure at Rated Speed 999999.999 N/A All set-ups TRUE Int32 22-89 Flow at Design Point 0 N/A All set-ups TRUE Int32 22-90 Flow at Rated Speed 0 N/A All set-ups TRUE Int32 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 277: Time-Based Functions
1 N/A 2 set-ups TRUE Uint32 23-82 Investment 0 N/A 2 set-ups TRUE Uint32 23-83 Energy Savings 0 kWh All set-ups TRUE Int32 23-84 Cost Savings 0 N/A All set-ups TRUE Int32 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 278: Appl. Functions
Run Next Pump Delay 0.1 s All set-ups TRUE Uint16 25-59 Run on Mains Delay 0.5 s All set-ups TRUE Uint16 25-8* Status 25-80 Cascade Status 0 N/A All set-ups TRUE VisStr[25] Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 279: Analog I/O Option
Int16 26-52 Terminal X42/9 Max. Scale 100% All set-ups TRUE Int16 26-53 Terminal X42/9 Bus Control All set-ups TRUE 26-54 Terminal X42/9 Timeout Preset 1 set-up TRUE Uint16 26-6* Analog Out X42/11 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 280 Terminal X42/11 Min. Scale All set-ups TRUE Int16 26-62 Terminal X42/11 Max. Scale 100% All set-ups TRUE Int16 26-63 Terminal X42/11 Bus Control All set-ups TRUE 26-64 Terminal X42/11 Timeout Preset 1 set-up TRUE Uint16 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 281: Water Application Functions
TRUE Uint8 29-62 Flow Meter Unit [0] l/s All set-ups TRUE Uint8 29-63 Totalized Volume Unit [0] Disabled All set-ups TRUE Uint8 29-64 Actual Volume Unit [0] Disabled All set-ups TRUE Uint8 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 282 29-67 Reset Totalized Volume [0] Do not reset All set-ups TRUE Uint8 29-68 Reset Actual Volume [0] Do not reset All set-ups TRUE Uint8 29-69 Flow 0 FlowMeterUnit All set-ups FALSE Uint32 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 283: Special Features
Term. X48/10 Low Temp. Limit ExpressionLimit All set-ups TRUE Int16 35-37 Term. X48/10 High Temp. Limit ExpressionLimit All set-ups TRUE Int16 35-4* Analog Input X48/2 35-42 Term. X48/2 Low Current 4 mA All set-ups TRUE Int16 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 284 Term. X48/2 High Ref./Feedb. Value 100 N/A All set-ups TRUE Int32 35-46 Term. X48/2 Filter Time Constant 0.001 s All set-ups TRUE Uint16 35-47 Term. X48/2 Live Zero [1] Enabled All set-ups TRUE Uint8 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 285: Troubleshooting
DC undervoltage – – Inverter overloaded – – Motor ETR overtemperature – Parameter 1-90 Motor Thermal Protection Motor thermistor overtemperature – Parameter 1-90 Motor Thermal Protection Torque limit – – Overcurrent – MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 287 Parameter 22-50 End of Curve Function Broken belt Parameter 22-60 Broken Belt Function Clock fault Parameter 0-79 Clock Fault ATEX ETR cur.lim.warning – – – ATEX ETR cur.lim.alarm – – ATEX ETR freq.lim.warning – – – MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 288 (W17) command active, for example via CTW bit 12 or DI. 0000002 Over Current Reserved Over Current (W13) Reserved Feedback high. Relay 123 active (A13) Feedback >parameter 4-57 W arning Feedback High. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 289 Reserved Live Zero Error AC brake. (A2) (W2) 0002000 131072 Internal Fault KTY error 10V Low (W1) KTY Warn Password timelock Start request (A38) number of allowed password trials exceeded, timelock active. MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 290 Table 5.3 Description of Alarm Word, Warning Word, and Extended Status Word The alarm words, warning words, and extended status words can be read out via fieldbus or optional fieldbus for diagnosis. See also parameter 16-94 Ext. Status Word. Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 291: Index
Digital I/O mode................76 Data log settings................141 Digital in/out................... 256 Sensor input option..............281 Data readout................149, 267 Inverter switching................132 Data readout 2..................269 Default settings................... 248 DeviceNet..................... 110 Jog........................ 4 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 292 Special functions................264 Operating mode................... 28 Speed bypass..................75 Operation/display................249 Speed up/down..................12 Overload Inverter overload, no trip............139 Spin time....................226 Overload....................58 Start adjustments................. 56 Override limit..................226 Start delay....................56 Danfoss A/S © 05/2018 All rights reserved. MG20OB02...
Page 293 Thermistor Thermistor..................... 6 Thermistor....................58 Timed actions................191, 275 Timer....................... 121 Trip Trip....................58, 240 reset....................135 U/f characteristic................... 54 Unintended start..................8 VVC+......................7 Warning....................283 Water application functions..........235, 279 MG20OB02 Danfoss A/S © 05/2018 All rights reserved.
Page 294 Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed. All trademarks in this material are property of the respective companies.

Danfoss VLT AQUA Drive FC 202 Programming Manual

1 Introduction

2 How to Program

3 Parameter Description

4 Parameter Lists

5 Troubleshooting

Index

Quick Links

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