Seneca S203RC-D User Manual Download

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USER MANUAL – S203TA-D / S203RC-D

If you have previously installed the USB drivers connect the USB cable to the PC , also use a RS485 to USB
converter like Seneca S117P1 (see

www.seneca.it

website for more info).

Although RS485 to USB converters can be used only Seneca RS485 to USB converters are tested to work
with S203TA/RC-D.

Click on “AUTOMATIC SEARCH” for automatic connection to the S203TA/RC-D.

The software try to connect with all the serial ports until the S203TA/RC-D will answer:

Now the configuration menu will be displayed:

Summary of Contents for S203RC-D

Page 1: ...h perfection continually all technical data contained in this document may be modified or added due to technical and commercial needs it s impossible eliminate mismatches and discordances completely Contents of present documentation is anyhow subjected to periodical revision If you have any questions don t hesitate to contact our structure or to write us to e mail addresses as above mentioned USER...

Page 2: ...nections New features from firmware SW002635 Added energies fractional values Added Reactive energy integration Added configurable option to prevent energy values modification through RS485 Added digital output counter functions for reactive energy Added diagnostics display page phases connection status energy status Added measures on display maximum active power maximum reactive power Added avera...

Page 3: ...03TA D INSERTION TYPES 11 1 7 S203RC D INSERTION TYPES 12 1 8 MEASURES RESPONSE TIME 12 2 S203TA D ELECTRICAL CONNECTIONS 12 2 1 S203 TA D TERMINAL POSITIONS 13 2 2 SINGLE PHASE INSERTION 13 2 3 SINGLE PHASE INSERTION WITH CT 13 2 4 SINGLE PHASE INSERTION WITH VT 14 2 5 SINGLE PHASE INSERTION WITH CT AND VT 14 2 6 ARON INSERTION WITH CTS 14 2 7 ARON INSERTION WITH CTS AND VTS 15 2 8 4 WIRE WITH NE...

Page 4: ...ITH NEUTRAL INSERTION 19 3 7 3 PHASE WITHOUT NEUTRAL INSERTION WITH VTS 20 4 ANALOG OUTPUT 21 4 1 ANALOG OUTPUT IN VOLTAGE MODE CONNECTIONS 21 4 2 ANALOG OUTPUT IN CURRENT ACTIVE MODE CONNECTIONS 21 4 3 ANALOG OUTPUT IN CURRENT PASSIVE MODE CONNECTIONS 21 5 DIGITAL OUTPUT 22 5 1 DIGITAL OUTPUT ELECTRICAL CONNECTIONS 22 6 THE DISPLAY 23 6 1 ELECTRICAL SYMBOLS ON DISPLAY 23 6 1 1 4 WIRES INSERTION W...

Page 5: ...9 7 1 ENERGY COUNTER OVERFLOW 40 7 2 NON VOLATILE MEMORY ENERGY BACKUP 40 8 USING S203RC D WITH A CUSTOM ROGOWSKI COIL 41 9 SERIAL COMMUNICATION 41 9 1 MODBUS RTU PROTOCOL 42 9 1 1 ABBREVIATION USED 43 9 1 2 MODBUS REGISTER ADDRESSES 44 10 DEBUG LEDS 53 11 THE KIT USB 54 12 WINDOWS USB DRIVERS INSTALLATION 55 13 OTHERS OPERATING SYSTEM DRIVERS 56 14 EASY SETUP SOFTWARE FOR WINDOWS 57 14 1 FIRMWARE...

Page 6: ...USER MANUAL S203TA D S203RC D 6 ...

Page 7: ...NCIDENTAL DAMAGE DUE TO NEGLECT OR RECKLESS MISHANDLING OF S203TA D S203RC D EVEN THOUGH SENECA IS WELL AWARE OF THESE POSSIBLE DAMAGES SENECA ITS SUBSIDIARIES AFFILIATES COMPANIES OF THE GROUP ITS SUPPLIERS AND RETAILERS SHALL NOT GUARANTEE THAT THE FUNCTIONS WILL SATISFY COMPLETELY CUSTOMER S EXPECTATIONS OR THAT S203TA D S203RC D THE FIRMWARE AND THE SOFTWARE SHALL HAVE NO ERRORS OR WORK CONTIN...

Page 8: ...ication and power supply 1500Vac Insulation between retransmitted output and power supply 1500Vac Analog output signal settable in voltage or current Digital output pulse signal for Energy or Energy sign Possibility for connection and management by external CTs with 5A output Possibility for connection and management by external VTs All kind of insertion possible single phase Aron 4 wires 3 wires ...

Page 9: ...mum P Active value 3 phase Maximum Q Reactive value phase A Maximum Q Reactive value 3 phase Average Active power 3 phase A phase value for demand time configurable 1 3 Electrical Measure on Modbus RTU Interface By the serial RS485 or USB Modbus RTU Protocol the following electrical measurable quantities are available V RMS phase A to neutral V RMS phase B to neutral V RMS phase C to neutral V RMS...

Page 10: ...Energy phase C Only positive Reactive Energy 3 phase Only negative Reactive Energy phase A Only negative Reactive Energy phase B Only negative Reactive Energy phase C Only negative Reactive Energy 3 phase Maximum P Active value phase A Maximum P Active value 3 phase Maximum Q Reactive value phase A Maximum Q Reactive value 3 phase Average Active power 3 phase A phase value for demand time configur...

Page 11: ... Negative Reactive Energy phase A Negative Reactive Energy phase B Negative Reactive Energy phase C 3 phase only positive Reactive Energy 3 phase only negative Reactive Energy 1 6 S203TA D Insertion types The following insertion types are possible CT current transformer VT voltage transformer Single phase insertion Single phase insertion with CT Single phase insertion with VT Single phase insertio...

Page 12: ... 2 S203TA D Electrical Connections DANGER Never open the secondary circuit of CT under applying current to load Never remove the terminal block under applying current to load will cause electric shock or breakdown CT WARNING ARON insertion without CTs it s not allowed two phases are short circuited 3 PHASE insertion without CTs it s not allowed the phases are short circuited You can t connect the ...

Page 13: ...asure correctly Separate the wiring strong electric part of the measured voltage input terminal operating power supply terminal from the CT cable It may not satisfy the accuracy due to noise Current Terminals Max 5A Voltage Terminals Max 600V 2 1 S203 TA D Terminal Positions 2 2 Single phase insertion WARNING Pay attention to the different terminals positions in this schematics 2 3 Single phase in...

Page 14: ...USER MANUAL S203TA D S203RC D 14 2 4 Single phase insertion with VT I MAX 5 A 2 5 Single phase insertion with CT and VT 2 6 Aron insertion with CTs ...

Page 15: ...ANUAL S203TA D S203RC D 15 2 7 Aron insertion with CTs and VTs 2 8 4 wire with neutral insertion with CTs 2 9 3 phase without neutral insertion with CTs 2 10 3 phase without neutral insertion with CTs and VTs ...

Page 16: ...USER MANUAL S203TA D S203RC D 16 ...

Page 17: ...gative one of the terminals 14 or 16 or 18 or 22 Terminals 14 16 18 and 22 are internally connected Voltage Terminals Max 600V The Rogowski has polarity Wrong direction can t measure correctly for example negative current value instead of positive If there is some distortion by harmonic or waveform it may not measure correctly Separate the wiring strong electric part of the measured voltage input ...

Page 18: ...USER MANUAL S203TA D S203RC D 18 3 2 Single phase insertion 3 3 Single phase insertion with VT ...

Page 19: ...USER MANUAL S203TA D S203RC D 19 3 4 Aron insertion 3 5 Aron insertion with VTs 3 6 4 wire with neutral insertion ...

Page 20: ...USER MANUAL S203TA D S203RC D 20 3 7 3 phase without neutral insertion with VTs ...

Page 21: ...assive current range 0 20 mA We recommend using shielded cables for the electric connections WARNING There is no insulation between RS485 USB and the analog output 4 1 Analog Output in voltage mode connections 4 2 Analog Output in current active mode connections 4 3 Analog Output in current passive mode connections WARNING Vext MAX 24V DC ...

Page 22: ... of to the Active or Reactive energy counter The output is linked to the sign of the Active power The impulse duration is fixed in 200ms For more informations see the display menù chapter 5 1 Digital Output electrical connections An external DC Voltage source is needed for using the digital output a relay can be connected see figure below WARNING I max 50 mA V max 28V dc ...

Page 23: ...t saved into the FeRAM and then displayed so if the module it s switched off and then on the last page displayed it s visualized The Measure displayed depends from the insertion type the following measures are in visualization order 6 1 1 4 wires insertion with or without neutral DISPLAY ELECTRICAL QUANTITY SYMBOL COMMENT MEASURED VALUE CALCULATED VALUE EQUATION USED VRMS A V PHASE A RMS Voltage f...

Page 24: ...e A current X IRMS B RMS phase B current X IRMS C RMS phase C current X IRMS ABC RMS Three phase Current X 𝐼𝑟𝑚𝑠𝐴 𝐼𝑟𝑚𝑠𝐵 𝐼𝑟𝑚𝑠𝐶 3 P A Phase A Active Power X P B Phase B Active Power X P C Phase C Active Power X P ABC Three phase active power X 𝑃 𝐴 𝑃 𝐵 𝑃 𝐶 Q A Phase A Reactive Power X 𝑆 𝐴 2 𝑃 𝐴2 Q B Phase B Reactive Power X 𝑆 𝐵 2 𝑃 𝐵2 Q C Phase C Reactive Power X 𝑆 𝐶 2 𝑃 𝐶2 Q ABC Three phase reactive ...

Page 25: ...rent power X 𝑆 𝐴 𝑆 𝐵 𝑆𝐶 COSFI A Phase A cosΦ X 𝑃 𝐴 𝑆 𝐴 COSFI B Phase B cosΦ X 𝑃 𝐵 𝑆 𝐵 COSFI C Phase C cosΦ X 𝑃 𝐶 𝑆 𝐶 COSFI ABC Three phase cosΦ X 𝑃 𝐴𝐵𝐶 𝑆 𝐴𝐵𝐶 ENERGY A Phase A Active Energy X 𝑃 𝐴𝑖 𝑑𝑡 ENERGY B Phase B Active Energy X 𝑃 𝐵𝑖 𝑑𝑡 ENERGY C Phase C Active Energy X 𝑃 𝐶𝑖 𝑑𝑡 ENERGY ABC Three phase active energy X 𝐸𝑁𝐸𝑅𝐺𝑌 𝐴 𝐸𝑁𝐸𝑅𝐺𝑌 𝐵 𝐸𝑁𝐸𝑅𝐺𝑌 𝐶 POS ENERGY Three phase only positive X ...

Page 27: ...EUTRAL X IRMS A RMS phase A current X P A Phase A Active Power X Q A Phase A Reactive Power X 𝑆 𝐴 2 𝑃 𝐴2 S A Phase A Apparent power X 𝑉𝑅𝑀𝑆 𝐴 𝐼𝑅𝑀𝑆 𝐴 COSFI A Phase A cosΦ X 𝑃 𝐴 𝑆 𝐴 ENERGY A Phase A Active Energy X 𝑃 𝐴𝑖 𝑑𝑡 POS ENERGY A One phase only positive active energy X 𝑃 𝐴 𝑖 𝑑𝑡 NEG ENERGY A One phase only negative active energy X 𝑃 𝐴 𝑖 𝑑𝑡 REACT ENERGY A Phase A Reactive Energy X 𝑄 𝐴𝑖 𝑑𝑡 ...

Page 28: ...active power X 𝑀𝐴𝑋 𝑃 𝐴 Q MAX A Phase A maximum reactive power X 𝑀𝐴𝑋 𝑄 𝐴 P AVG A Phase A average active power for the last n minutes X 𝑃𝑖 𝑛 1 𝑛 FREQUENCY Frequency X Measured from phase A 6 1 3 Aron insertion DISPLAY ELECTRICAL QUANTITY SYMBOL COMMENT MEASURED VALUE CALCULATED VALUE EQUATION USED VRMS AC V AC RMS Voltage from phase A to C X VRMS BC V BC RMS Voltage From phase B to C X ...

Page 29: ... phase apparent power X 3 𝑆 𝐴 𝑆 𝐶 2 COSFI ABC Three phase cosΦ X 𝑃 𝐴 𝑃 𝐶 𝑃 𝐴 𝑃 𝐶 2 3 𝑃 𝐴 𝑃 𝐶 2 ENERGY ABC Three phase active energy X 𝑃 𝐴𝐵𝐶𝑖 𝑑𝑡 POS ENERGY ABC Three phase only positive active energy X 𝑃 𝐴𝐵𝐶 𝑖 𝑑𝑡 NEG ENERGY ABC Three phase only negative active energy X 𝑃 𝐴𝐵𝐶 𝑖 𝑑𝑡 REACT ENERGY ABC Three phase Reactive energy X 𝑄 𝐴𝐵𝐶𝑖 𝑑𝑡 POS REACT EN ABC Three phase only positive Reactive energy X 𝑄 ...

Page 30: ... C OK otherwise A B C ERROR The lower line of diagnostics page informs the user about errors on the 3 phase active power If the Phase A B and C active power have not the same sign the display write ENERGY ERROR If the Phase A B and C active power have the sign the display write ENERGY CONSUMPTION If the Phase A B and C active power have the sign the display write ENERGY PRODUCTION 6 3 Display Menù...

Page 31: ... a factor of 20 Default 5 000 TA 5 5 A3 FREQUENCY COMPENSATION YES The S203TA RC D will compensate the frequency fluctuation use only if the source frequency it s not stable NO no frequency fluctuation compensation used Default NO A4 POWER FREQUENCY 50 Hz 50 Hz calibration values will be used for European 50 Hz power frequency 60 Hz 60 Hz calibration values will be used Default 50Hz A5 INSERTION T...

Page 32: ...1 B Config RS485 PARAMETER VALUES B1 ADDRESS Modbus RTU station address from 1 to 253 Default 1 B2 BAUDRATE Serial RS485 baudrate can be 2400 baud 4800 baud 9600 baud 19200 baud 38400 baud 57600 baud 115200 baud Default 38400 baud B3 PARITY Parity bit can be NONE ODD EVEN Default NONE B4 STOP BIT Stop bit can be 1 stop bit 2 stop bits Default 1 stop bit ...

Page 33: ...d to the analog output IRMS Irms linked to the analog output PACT Active Power linked to the analog output COSFI Power factor linked to the analog output Default PACT C3 IN STARTSCALE Start Scale Measure linked to the output With this measure value the output will be at 0 Default 0 0 W C4 IN ENDSCALE End Scale Measure linked to the output With this measure value the output will be at 100 Default 9...

Page 34: ...enerated for every integer Measure unit Energy increment Energy sign Output mode in sign mode digital out high if active power is positive digital output low if active power is negative Default Pulse counter D3 Dig out ratio If the Digital output mode is in Pulse Counter mode the digital output generate a pulse for every Dig out ratio integer value For example If Dig out ratio 1 KWh the digital ou...

Page 35: ...easure Automatic loop Automatically change the screen measure in this mode the screen page backup feature it s not available Default Manual Loop E3 PASSWORD Can be used for restrict the access to the menu by typing a password NO No password is required for access to the menù YES The password 5477 is required for access to the menu Default NO D4 COUNT DIGOUT When the digital output is in pulse mode...

Page 36: ...rgy B Neg react energy C Default 3ph pos energy D5 DIGOUT PHASE When the digital output is in sign mode the sign linked to the digital output can be from Phase A Active Power Phase B Active Power Phase C Active Power 3 phase Active Power Phase A Reactive Power Phase B Reactive Power Phase C Reactive Power 3 phase Reactive Power Default 3 phase D6 DIGOUT LOGIC Digital output logic can be Normally o...

Page 37: ...Rogowski coil of 100mV 1000A use multiplication factor of 1 000 factory default Else use this formula Multiplication factor S203RC D Full scale Input mv Full scale rogowski mV Full scale rogowski A 1000 for example Input full scale of 100mV and Rogowski coil of 100mV 500A use 0 500 Input full scale of 100mV and Rogowski coil of 100mV 2000A use 2 000 Input full scale of 200mV and Rogowski coil of 2...

Page 38: ...f 200mV 2000A use 2 000 Etc F6 CURRENT PHASE C Set a multiplication factor for IRMS C Default 1 000 ONLY FOR S203RC D model For Rogowski coil of 100mV 1000A use multiplication factor of 1 000 factory default Else use this formula Multiplication factor S203RC D Full scale Input mv Full scale rogowski mV Full scale rogowski A 1000 for example Input full scale of 100mV and Rogowski coil of 100mV 500A...

Page 40: ... positive Energy Integer and fractionary part of phase A negative Energy Integer and fractionary part of phase B negative Energy Integer and fractionary part of phase C negative Energy Integer and fractionary part of phase A positive Reactive Energy Integer and fractionary part of phase B positive Reactive Energy Integer and fractionary part of phase C positive Reactive Energy Integer and fraction...

Page 41: ...00A use 1 000 S203RC D Input full scale of 100mV and Rogowski coil of 100mV 500A use 0 500 S203RC D Input full scale of 100mV and Rogowski coil of 100mV 2000A use 2 000 S203RC D Input full scale of 200mV and Rogowski coil of 200mV 2000A use 2 000 WARNING the S203RC D Input full scale can be modified only by the Easy Setup software the default is 100mV 9 Serial Communication A models S203TA D and S...

Page 42: ...ol All registers are Holding register Read Modbus function 3 with the convention that the first register is the 40001 address The following Modbus functions are supported Read Single Modbus Register function 3 Write Single Modbus Register function 6 Write Multiple Modbus Registers function 16 All values in 32bits are stored into 2 consecutive registers for example VRMS A in floating point 32 bits ...

Page 43: ... MSW Most significant Word 16 bits LSW Less significant Word 16 bits R Read only register RW Read and write register Unsigned 16 bits Unsigned 16 bits register Signed 16 bits 16 bits register with sign Float 32 bits Floating point single precision 32 bits IEEE 754 register 0x Hexadecimal Value Default communication parameters RS485 38400 baud 8N1 Default communication parameters USB 38400 baud 8N1...

Page 44: ...t in use Default value depends on the selected type of input Float 32 bits RW Vrms 600 V Irms 5 A Active Energy 9000 W Cosfi 1 40022 MS 40023 LS Line frequency compensation Line Frequency fluctuation compensation 0 NO 1 YES Unsigned 16 bits RW 0 40024 MB_Address RS485 Modbus address value Unsigned 8 bits RW 1 40025 MSB Bit 15 8 Parity RS485 Communication parity Parity no parity 0 even 1 odd 2 Unsi...

Page 45: ...of energy to set Wh write 1 to set KWh write 1000 to set MWh write 1000000 etc Float 32 bits RW 1000 0 KWh 40037 MS 40038 LS Command aux 1 See Command register W 0 40039 Command aux 2 See Command register W 0 40040 TV ratio Voltage transformer ratio value Float 32 bits RW 1 0 40041 MS 40042 LS Phase linked to digital output Selected phase to switch the digital output if digout function is energy s...

Page 46: ...ommand Command register To reset the device write 0xDEAD To set a positive energy value for phase A write the value in integer unsigned 32 bits format in Command aux 1 high part and command aux 2 low part then write 0xBACA in Command register To set a positive energy value for phase B write the value in integer unsigned 32 bits format in Command aux 1 high part and command aux 2 low part then writ...

Page 47: ...se without neutral Bit 7 Irms cut off current for phase A Bit 8 Irms cut off current for phase B Bit 9 Irms cut off current for phase C Bit 15 Feram error Unsigned 16 bits R 0 40133 VRMS A Voltage RMS measure for phase A Vrms Float 32 bits R 0 0 40135 MS 40136 LS VRMS B Voltage RMS measure for phase B Vrms Float 32 bits R 0 0 40137 MS 40138 LS VRMS C Voltage RMS measure for phase C Vrms Float 32 b...

Page 48: ...R 0 0 40175 MS 40176 LS CosFi B Cosfi measure for phase B Float 32 bits R 0 0 40177 MS 40178 LS CosFi C Cosfi measure for phase C Float 32 bits R 0 0 40179 MS 40180 LS CosFi ABC Cosfi measure for phase ABC Float 32 bits R 0 0 40181 MS 40182 LS Frequency Frequency measure in Hz from phase A Float 32 bits R 0 0 40183 MS 40184 LS Energy A Energy measure for phase A measure unit depending on the selec...

Page 49: ...ts RW 0 0 40507 MS 40508 LS Start scale INPUT for P ACTIVE analog output Start scale for input with reference to the analog output W Float 32 bits RW 0 0 40509 MS 40510 LS Start scale INPUT for COSFI analog output Start scale for input with reference to the analog output W Float 32 bits RW 1 0 40511 MS 40512 LS End scale INPUT for VRMS analog output End scale for input with reference to the analog...

Page 50: ...arature voltage for phase B User Tarature coefficient for phase B voltage Float 32 bits RW 1 0 40532 MS 40533 LS User tarature voltage for phase C User Tarature coefficient for phase C voltage Float 32 bits RW 1 0 40534 MS 40535 LS Firmware code Device Firmware code Unsigned 16 bits R 40901 Output type Type for analog output 0 Voltage Output 1 Current Output Unsigned 16 bits RW 1 40921 Phase A pos...

Page 51: ...nergy for phase C only positive Float 32 bits R 0 0 41010 MS 41011 LS Phase C neg Reactive energy Sum of Reactive energy for phase C only negative Float 32 bits R 0 0 41012 MS 41013 LS 3 phase pos Reactive energy Sum of Reactive energy for three phases only positive Float 32 bits R 0 0 41014 MS 41015 LS 3 phase neg Reactive energy Sum of Reactive energy for three phases only negative Float 32 bits...

Page 52: ...USER MANUAL S203TA D S203RC D 52 demand time value selected by the user The Calculation is obtained by a moving average and is updated every 1 minute ...

Page 53: ...status Meaning PWR Constant light The module power is on ERR Constant light Measure of voltage 45Vac at least one of the phases used RX Blinking light The module received a data packet from RS485 TX Blinking light The module sent a data packet to the RS485 ...

Page 54: ...e Website www seneca it The kit contain A CD with the USB drivers for Windows and the Easy Setup software A standard mini B and micro USB USB Cables The USB drivers can also be downloaded from the website http www ftdichip com Drivers VCP htm The Easy Setup software can also be freely downloaded from the website www seneca it ...

Page 55: ... the new hardware it s detected If you don t have an internet connection insert the CD and install the FTDI driver or download the drivers from the website http www ftdichip com Drivers VCP htm If you have an internet connection the driver is automatically searched into the Windows Update database After 3 4 minutes the driver is installed and the USB USB Serial Port is ready to use ...

Page 56: ... S203RC D 56 13 OTHERS OPERATING SYSTEM DRIVERS From the website http www ftdichip com Drivers VCP htm you can download the USB drivers for various operating systems like Windows xp Vista Windows 8 Linux MAC OS Windows CE ...

Page 57: ...e Website www seneca it can be downloaded free of charge the Easy Setup suite software select Download from the Links section Then download the last Easy Setup version Easy Setup works on Windows XP 32 64 bits Windows Vista 32 64 bits Windows 7 32 64 bits Windows 8 32 64 bits ...

Page 58: ...drivers see chapter 12 Extract the zip file and double click on the Setup file for install the software From the Quick Start menu select the S203TA D or S203RC D model you can also click on the tab Analog Modbsu RTU I O and select the S203TA D or S203RC D button Now the configuration software Easy S203TA RC D starts ...

Page 59: ...USER MANUAL S203TA D S203RC D 59 Press Next ...

Page 60: ...17P1 see www seneca it website for more info Although RS485 to USB converters can be used only Seneca RS485 to USB converters are tested to work with S203TA RC D Click on AUTOMATIC SEARCH for automatic connection to the S203TA RC D The software try to connect with all the serial ports until the S203TA RC D will answer Now the configuration menu will be displayed ...

Page 61: ...A RC D firmware A new firmware update can include new features or bugfix WARNING When the firmware update it s started don t power down or disconnect the S203TA RC D until all the procedure it s finished Power ON the S203TA RC D and connect it to the PC see chapter 14 On the configuration menu click on Software update ...

Page 62: ...t Press the 2 button to put the S203TA RC D in bootloader mode on the S203TA RC D display will be displayed UPDATING PLEASE WAIT Press the 3 button for select the firmware to send to the S203TA RC D the software will open directly the firmware directory Press the 4 button to start the firmware update ...

Page 63: ... update take less than 1 minute When the update is finished Press the 5 button to restart the S203TA RC D now the board is out of the bootloader mode Now Set the right S203 model by the 6A button for S203TA D model or 6B button for S203RC D model ...

Page 64: ...e it s finished the last configuration it s overwritten by the default configuration For S203RC D model you must also configure with the software Easy Setup the right Rogowski coil input full scale because this configuration can not be configured by the display menu ...

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