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Table of Contents

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The main function

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Documentation statement

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Terminal definition

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Controller connection diagram

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Ground connection and communication shield

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Operation interface display

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Key operation

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Initial interface display

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Histogram interface

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Channel current and power generation display interface

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Parameter setting interface

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Current calibration setting interface

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Software version number display interface

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Alarm status display interface

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Channel arc fault alarm interface

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Fault alarm clear interface

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Items that can generate alarms can be set

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Alarm conditions

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Alarm message

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MODBUS Protocol definition

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Communication format configuration

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Data frame format description (refer to Modbus RTU standard)

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Function code description

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Appendix

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FAQ

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Document revision record

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Содержание FR-DCMG-MMPY

Страница 1: ...DC System Monitor FR DCMG MMPY 丰郅上海新能源科技有限公司 Fonrich Shanghai New Energy Technology Co Ltd Add 1st Floor Building 5 No 999 Jiangyue Road Minhang District Shanghai Web www fonrich com Tel 86 21 61679671 Email sales fonrich com ...

Страница 2: ... interface 10 Software version number display interface 10 Alarm status display interface 11 Channel arc fault alarm interface 11 Fault alarm clear interface 11 Items that can generate alarms can be set 12 Alarm conditions 12 Alarm message 13 MODBUS Protocol definition 14 Communication format configuration 14 Data frame format description refer to Modbus RTU standard 14 Function code description 1...

Страница 3: ...e combiner box lightning arrester status DC circuit breaker status and DC arc fault status of each photovoltaic string in the combiner box and communicate with the host computer through RS485 Display content For the detected voltage current temperature switching state power generation and other data the FR DCMG MMPY can display a histogram interface through the LCD to read the current and other da...

Страница 4: ...tion terminal FG Fixed Ground terminal TS1 TS2 Externally connected temperature sensor terminals SG Temperature sensor and digital input ground terminal DI1 DI2 DI3 DI4 4 digital input terminals FUC Can connect modules with FUC interface FMB Modules with an FMB interface can be connected such as the FR DCMG AS4A DC Arc Detector ...

Страница 5: ...5 Controller connection diagram ...

Страница 6: ...s fixed on a standard guide rail with a width of 3 5 cm The wiring specifications of the communication shielded wire are shown in the figure above The wiring of on site communication lines requires that the communication shield can only be grounded at a single point otherwise there will be a risk of lightning surge damage to all equipment on the entire communication line during a lightning strike ...

Страница 7: ... the current mode and the brightness will decrease after 5 seconds Initial interface display The factory default is Modbus mode When the host computer is connected to the device via RS485 and communicates the LED lights R and P T will flash alternately to indicate normal communication When the device is not connected to communication it restarts by default every 5 minutes or you can turn off the d...

Страница 8: ...ightning icon in the upper left corner indicates that the FR DCMG MMPY horn connected Hall sensor with arc monitoring function 24 indicates the current online arc and current channel number 1111 indicates the real time status of the digital input DI1 DI4 1250V Represents the real time voltage value of the bus If there is no key operation within 5 seconds the screen brightness will decrease ...

Страница 9: ...he value of cumulative power generation When viewing the values of current and cumulative power generation you can scroll through the screen by continuing to press the or key After the current display is completed continue to press the key to start displaying the cumulative power generation The figure above shows the current display interface CH1 in the figure indicates that the current value moni...

Страница 10: ...rity Odd even parity Even and no parity by default BPS Baud rate for Modbus communication The selectable baud rates are 2400 4800 9600 default 19200 38400 Current calibration setting interface Press the ESC and keys at the same time to enter the current calibration setting interface as shown below To use this feature please contact the company s technical support staff Software version number disp...

Страница 11: ...remotely Restarting the host will still display the alarm message Channel arc fault alarm interface After the DC arc sensor detects the occurrence of a fault arc the alarm information interface of the host is as shown below In the figure above 02 means channel arc fault alarm and 4 means that the fault arc alarm channel is 4 Fault alarm clear interface The host sends an alarm when it detects a fau...

Страница 12: ...an generate alarms can be set Voltage is too high Voltage is too low Temperature is too high Channel reverse current Total reverse current is too high Total current is too high Total current is too low Channel without current Low channel current High channel current Channel current value undercurrent Channel current value overcurrent Lightning Arrester Status DI1 circuit breaker status DI2 Switch ...

Страница 13: ... current value is still less than or equal to the current channel start alarm start threshold The overcurrent undercurrent alarm threshold will change as the average current changes Alarm message Over current alarm After the channel average current value plus the over current under current alarm threshold the current value is still greater than or equal to the current channel start alarm start thr...

Страница 14: ... used to identify the slave that receives the data frame and the response frame sent by that slave The function code indicates how the master requires the slave to respond and the slave responds to that function code Data area The content can be the address value the number of registers the data from the slave response and the data sent by the master to the slave etc which can hold up to 252 bytes...

Страница 15: ...above the alarm threshold Clear the alarm and set it to 0 0x0232 562 Bus voltage too low alarm status This bit is set when the bus voltage is below the alarm threshold Cleared below the alarm release threshold 0x0233 563 Bus voltage to high alarm status This bit is set when the bus voltage exceeds the alarm threshold Cleared below the alarm release threshold 0x0234 564 Temperature sensor 1 high te...

Страница 16: ...nt value is too high Channel current high alarm this bit is set to 1 0x0240 576 Switch 1 alarm status The state of the device s input switch DI1 0 open 1 closed 0x0241 577 Switch 2 alarm status The state of the device s input switch DI2 0 open 1 closed 0x0242 578 Switch 3 alarm status The state of the device s input switch DI3 0 open 1 closed 0x0243 579 Switch 4 alarm status The state of the devic...

Страница 17: ...nel is greater than the alarm threshold this bit is set to 1 after clearing the alarm it is set to 0 0x026A 618 Channel 11 arc alarm status When the arc intensity of the channel is greater than the alarm threshold this bit is set to 1 after clearing the alarm it is set to 0 0x026B 619 Channel 12 arc alarm status When the arc intensity of the channel is greater than the alarm threshold this bit is ...

Страница 18: ...et to 1 after clearing the alarm it is set to 0 0x0276 630 Channel 23 arc alarm status When the arc intensity of the channel is greater than the alarm threshold this bit is set to 1 after clearing the alarm it is set to 0 0x0277 631 Channel 24 arc alarm status When the arc intensity of the channel is greater than the alarm threshold this bit is set to 1 after clearing the alarm it is set to 0 0x02...

Страница 19: ...ld otherwise cleared 0x028C 652 Channel 13 current reverse alarm status This bit is set when the channel current is reversed and greater than the alarm threshold otherwise cleared 0x028D 653 Channel 14 current reverse alarm status This bit is set when the channel current is reversed and greater than the alarm threshold otherwise cleared 0x028E 654 Channel 15 current reverse alarm status This bit i...

Страница 20: ...4 no current alarm status This bit is set to 1 when there is no current in this channel otherwise cleared 0x02A4 676 Channel 5 no current alarm status This bit is set to 1 when there is no current in this channel otherwise cleared 0x02A5 677 Channel 6 no current alarm status This bit is set to 1 when there is no current in this channel otherwise cleared 0x02A6 678 Channel 7 no current alarm status...

Страница 21: ...en there is no current in this channel otherwise cleared 0x02B5 693 Channel 22 no current alarm status This bit is set to 1 when there is no current in this channel otherwise cleared 0x02B6 694 Channel 23 no current alarm status This bit is set to 1 when there is no current in this channel otherwise cleared 0x02B7 695 Channel 24 no current alarm status This bit is set to 1 when there is no current...

Страница 22: ...7 Channel 14 undercurrent alarm status This bit is set to 1 when the channel is undercurrent otherwise cleared 0x02CE 718 Channel 15 undercurrent alarm status This bit is set to 1 when the channel is undercurrent otherwise cleared 0x02CF 719 Channel 16 undercurrent alarm status This bit is set to 1 when the channel is undercurrent otherwise cleared 0x02D0 720 Channel 17 undercurrent alarm status T...

Страница 23: ...2E5 741 Channel 6 overcurrent alarm status This bit is set to 1 when the channel is overcurrent otherwise cleared 0x02E6 742 Channel 7 overcurrent alarm status This bit is set to 1 when the channel is overcurrent otherwise cleared 0x02E7 743 Channel 8 overcurrent alarm status This bit is set to 1 when the channel is overcurrent otherwise cleared 0x02E8 744 Channel 9 overcurrent alarm status This b...

Страница 24: ...nnel is overcurrent otherwise cleared 0x02F6 758 Channel 23 overcurrent alarm status This bit is set to 1 when the channel is overcurrent otherwise cleared 0x02F7 759 Channel 24 overcurrent alarm status This bit is set to 1 when the channel is overcurrent otherwise cleared 0x02FF 767 Channel 32 overcurrent alarm status This bit is set to 1 when the channel is overcurrent otherwise cleared 0x0300 7...

Страница 25: ...nel current is too low otherwise cleared 0x030E 782 Channel 15 current low alarm state This bit is set to 1 when the channel current is too low otherwise cleared 0x030F 783 Channel 16 current low alarm state This bit is set to 1 when the channel current is too low otherwise cleared 0x0310 784 Channel 17 current low alarm state This bit is set to 1 when the channel current is too low otherwise clea...

Страница 26: ...t is too high otherwise cleared 0x0326 806 Channel 7 current too high alarm state This bit is set to 1 when the channel current is too high otherwise cleared 0x0327 807 Channel 8 current too high alarm state This bit is set to 1 when the channel current is too high otherwise cleared 0x0328 808 Channel 9 current too high alarm state This bit is set to 1 when the channel current is too high otherwis...

Страница 27: ...rrent too high alarm state This bit is set to 1 when the channel current is too high otherwise cleared 0x0334 820 Channel 21 current too high alarm state This bit is set to 1 when the channel current is too high otherwise cleared 0x0335 821 Channel 22 current too high alarm state This bit is set to 1 when the channel current is too high otherwise cleared 0x0336 822 Channel 23 current too high alar...

Страница 28: ...ault 500 R 0x0106 262 Temperature sensor 2 short Unit 0 1 C default 500 R 0x0107 263 Switch input Unsigned short bit0 DI1 bit1 DI2 bit2 DI3 bit3 DI4 0 open 1 closed default 0 R 0x0108 264 Quantity of online Hall channels Unsigned short Shows the quantity of Hall channels currently connected default 0 R 0x0109 265 Total reverse current short Unit is 10mA default is 0 R 0x010A 266 Total current Shor...

Страница 29: ...nsigned short Default 0 0 No alarm 1 Alarm R 0x0154 340 Channel 17 32 current low alarm Unsigned short Default 0 0 No alarm 1 Alarm R 0x0155 341 Channel 1 16 current high alarm Unsigned short Default 0 0 No alarm 1 Alarm R 0x0156 342 Channel 17 32 current high alarm Unsigned short Default 0 0 No alarm 1 Alarm R The address 0x0200 0x02FF which has a total of 128 consecutive addresses It is recommen...

Страница 30: ...A default 1600 take 16 channels to calculate W R 0x0B06 2822 Total current too high alarm threshold Unsigned Short Unit 10mA default 1600 take 16 channels to calculate W R 0x0B07 2823 Current channel related alarm activation threshold Unsigned Short Unit mA default 2000 The average current value is greater than this value the total current is too high too low the channel is undercurrent overcurren...

Страница 31: ...bled 1 means enabled Default 0xFFFF W R 0x0B14 2836 Channel 17 32 current channel switch setting Unsigned short bit0 Represents the switch setting for channel 7 bit7 Represents the switch setting for channel 24 0 means disabled 1 means enabled Default 0xFFFF W R 0x0B15 2837 External power management time setting Unsigned short Unit M min default 120 minutes When the photovoltaic power supply stops...

Страница 32: ...2 Channel current value is overcurrent bit13 The channel current value is low bit14 The channel current value is high 1 enable open alarm 0 disable close alarm Default 0x0003 W R 0x0B21 2849 Alarm function management 2 Unsigned short Bit0 DI1 bit1 DI2 bit2 DI3 bit3 DI4 bit14 bit15 General alarm switch function is forcibly turned on 1 enable alarm 0 disable alarm Default value 0x800F W R 0x0B23 285...

Страница 33: ...33 values 0xFE01 65025 Modbus Baud rate Unsigned short 1 2400 2 4800 3 9600 4 19200 5 38400 Default is 3 W R 0xFE02 65026 Modbus Parity Unsigned short 0 NONE 1 ODD 2 EVEN Default is 0 W R ...

Страница 34: ...34 Appendix FAQ Troubleshooting for screen flicker Please refer to page 3 of the manual to deal with the problem of excessive interference from shielded wires ...

Страница 35: ...detection 2 Update the software version number 3 8 2018 4 12 Update the internal register list 3 9 2019 12 26 Update register description switch alarm description 4 0 2020 01 13 Update the switch value description new program interface and alarm interface New Current calibration function interface and register Arc intensity 10 minutes value register High low level switching function interface and ...

Страница 36: ...method Controller connection diagram Deletion Broadcast battery board and other registers 4 2 2020 07 06 For A028 and above products Add HS4Q large range registers 0x0400 0x0500 2020 07 20 Register update suitable for FR DCMG MMPY products ...

Страница 37: ...t us Please remember the following contact information Fonrich Shanghai New Energy Technology Co Ltd Add 1st Floor Building 5 No 999 Jiangyue Road Minhang District Shanghai Zip code 201114 Tel 86 21 61679672 Fax 86 21 60717306 Email sales fonrich com Website www fonrich com ...

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