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Fonrich FR-DCMG-MMPU, User Manual

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Fonrich FR-DCMG-MMPU User Manual Download Page 33

33

0 means disabled, 1 means enabled
Default 0xFFFF

0x0B14

2836

Channel 17~24 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, the
host can be powered by external 24
power sources, and the power supply
time can be set.

W/R

0x0B16

2838

Current UI display,
direction, reverse order
control

Unsigned

short

Bit0 ～ bit1: Y-axis scale setting of UI
interface
0 means the UI interface displays the
current up to 10A
1 means the UI interface displays the
current up to 20A
2 means the UI interface displays a
maximum current of 30A
bit2: current channel forward / reverse
sequence setting
(Positive sequence: 1 ~ 24 channels
arranged near the host Hall;
Reverse order: Calculate from 24 to 1
channel near the host Hall)
0 means positive order; 1 means reverse
order
bit3: Channel current direction setting
0 means the direction is positive, 1 means
the current is reversed.
0x0000 by default;

W/R

0x0B17

2839

reserved

0x0B20

2848

Alarm function
management 1

Unsigned

short

Bit0 Bus arc,
bit1 Channel arc,
bit2 Low pressure,
bit3 Over pressure,
bit4 High temperature 1,
bit5 High temperature 2,
bit6 Channel current value is reversed,
bit7 Reverse total current is high,
bit9 The total current is high,
bit10 Channel current value is zero,

W/R

Summary of Contents for FR-DCMG-MMPU

Page 1: ...DC System Monitor FR DCMG MMPU 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 ...

Page 2: ...terface 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 14 R...

Page 3: ...g of the generation current voltage temperature of the 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 MMPU can display a histogram inter...

Page 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 ...

Page 5: ...5 Terminals Connection Comments ...

Page 6: ... is 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 strik...

Page 7: ...erface of the current mode and the brightness will decrease after 5 seconds Indication Leds 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 de...

Page 8: ...ightning icon in the upper left corner indicates that the FR DCMG MMPU 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 18: ...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 0x0280 640 Channel 1 current reverse alarm stat...

Page 19: ...hannel current is reversed and greater than the alarm threshold otherwise cleared 0x028E 654 Channel 15 current reverse alarm status This bit is set when the channel current is reversed and greater than the alarm threshold otherwise cleared 0x028F 655 Channel 16 current reverse alarm status This bit is set when the channel current is reversed and greater than the alarm threshold otherwise cleared ...

Page 20: ...annel otherwise cleared 0x02A6 678 Channel 7 no current alarm status This bit is set to 1 when there is no current in this channel otherwise cleared 0x02A7 679 Channel 8 no current alarm status This bit is set to 1 when there is no current in this channel otherwise cleared 0x02A8 680 Channel 9 no current alarm status This bit is set to 1 when there is no current in this channel otherwise cleared 0...

Page 21: ...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 in this channel otherwise cleared 0x02C0 704 Channel 1 undercurrent alarm status This bit is set to 1 when the channel is undercurrent otherwise cleared 0x02C1 705 Channel 2 undercurrent alarm status This bit is set to 1 when the channel is...

Page 22: ...e channel is undercurrent otherwise cleared 0x02D0 720 Channel 17 undercurrent alarm status This bit is set to 1 when the channel is undercurrent otherwise cleared 0x02D1 721 Channel 18 undercurrent alarm status This bit is set to 1 when the channel is undercurrent otherwise cleared 0x02D2 722 Channel 19 undercurrent alarm status This bit is set to 1 when the channel is undercurrent otherwise clea...

Page 23: ...hannel is overcurrent otherwise cleared 0x02E9 745 Channel 10 overcurrent alarm status This bit is set to 1 when the channel is overcurrent otherwise cleared 0x02EA 746 Channel 11 overcurrent alarm status This bit is set to 1 when the channel is overcurrent otherwise cleared 0x02EB 747 Channel 12 overcurrent alarm status This bit is set to 1 when the channel is overcurrent otherwise cleared 0x02EC...

Page 24: ...urrent is too low otherwise cleared 0x0302 770 Channel 3 current low alarm state This bit is set to 1 when the channel current is too low otherwise cleared 0x0303 771 Channel 4 current low alarm state This bit is set to 1 when the channel current is too low otherwise cleared 0x0304 772 Channel 5 current low alarm state This bit is set to 1 when the channel current is too low otherwise cleared 0x03...

Page 25: ...nt is too low otherwise cleared 0x0313 787 Channel 20 current low alarm state This bit is set to 1 when the channel current is too low otherwise cleared 0x0314 788 Channel 21 current low alarm state This bit is set to 1 when the channel current is too low otherwise cleared 0x0315 789 Channel 22 current low alarm state This bit is set to 1 when the channel current is too low otherwise cleared 0x031...

Page 26: ...urrent is too high otherwise cleared 0x032C 812 Channel 13 current too high alarm state This bit is set to 1 when the channel current is too high otherwise cleared 0x032D 813 Channel 14 current too high alarm state This bit is set to 1 when the channel current is too high otherwise cleared 0x032E 814 Channel 15 current too high alarm state This bit is set to 1 when the channel current is too high ...

Page 27: ... current is too high otherwise cleared 0x0336 822 Channel 23 current too high alarm state This bit is set to 1 when the channel current is too high otherwise cleared 0x0337 823 Channel 24 current too high alarm state This bit is set to 1 when the channel current is too high otherwise cleared ...

Page 28: ...ure 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 Short Unit is 10mA default is 0 R ...

Page 29: ... 0 No alarm 1 Alarm R 0x014E 334 Channel 17 24 no current alarm Unsigned short Default 0 0 No alarm 1 Alarm R 0x014F 335 Channel 1 16 undercurrent alarm Unsigned short Default 0 0 No alarm 1 Alarm R 0x0150 336 Channel 17 24 undercurrent alarm Unsigned short Default 0 0 No alarm 1 Alarm R 0x0151 337 Channel 1 16 overcurrent alarm Unsigned short Default 0 0 No alarm 1 Alarm R 0x0152 338 Channel 17 2...

Page 30: ...efault 0 R 0x021D 541 The lower 16bit of the generated energy of channel1 Unsigned short Unit Wh default 0 R 0x024A 586 The higher 16bit of the generated energy of Channel 24 Unsigned short Unit Wh default 0 R 0x024B 587 The lower 16bit of the generated energy of Channel 24 Unsigned short Unit Wh default 0 R Arc information 0x0250 0x0297 0x0250 0x0267 592 615 Channel 1 24 arc intensity real time v...

Page 31: ...ergy Unsigned short Unit 10Wh default 0 0x0502 1282 The higher 16bit of the generated energy of channel1 Unsigned short Unit 10Wh default 0 0x0503 1283 The lower 16bit of the generated energy of channel1 Unsigned short Unit 10Wh default 0 0x0539 1343 The higher 16bit of the generated energy of channel24 Unsigned short Unit 10Wh default 0 0x0540 1344 The lower 16bit of the generated energy of chann...

Page 32: ...he overcurrent alarm threshold W R 0x0B09 2825 Channel current low alarm threshold Unsigned short Unit mA default 1000 W R 0x0B0A 2826 Channel current high alarm threshold Unsigned short Unit mA default 10000 W R 0x0B0B 2827 Reverse total current too high threshold short Unit 10mA default 600 W R 0x0B0C 2828 Channel reverse current too high threshold short Unit mA default 2000 W R 0x0B0D 2839 0x0B...

Page 33: ...UI interface displays the current up to 10A 1 means the UI interface displays the current up to 20A 2 means the UI interface displays a maximum current of 30A bit2 current channel forward reverse sequence setting Positive sequence 1 24 channels arranged near the host Hall Reverse order Calculate from 24 to 1 channel near the host Hall 0 means positive order 1 means reverse order bit3 Channel curre...

Page 34: ...and bus arc history alarms Unsigned short Write 1 reset channel arc and bus arc history alarm times record read always 0 W R 0x0C02 3074 reserved 0x0C03 3075 reserved 0x0C04 3076 reserved 0x0C05 3077 Arc channel self check operation Unsigned short Write 1 to start the arc channel self check 1S to end the self check read always 0 W R 0x0C06 3078 reserved Time information configuration 0x0C90 0x0C92...

Page 35: ...gh 8 bits system time month W R 0xFE0D 65293 EEPROM initialization 1 Unsigned short Write 0x5555 not open Operating EEPROM initialization 1 and 2 at the same time and resetting the MCU will restore the factory settings Read 0 W R 0xFE0E 65294 EEPROM initialization 2 Unsigned short Write 0xAAAA not open Operating EEPROM initialization 1 and 2 at the same time and resetting the MCU will restore the ...

Page 36: ...5050 Modbus master time_ms Unsigned short System information not open R 0xFE1B 65051 Almtrip time_ms Unsigned short System information not open R 0xFE1C 65052 Power and kwh time_ms Unsigned short System information not open R 0xFE1D 65053 Modbus Master bps modify status Unsigned short 1 indicates that the Modbus Slave baud rate of 9600 is changed to 19200 2 Modification of Modbus Slave baud rate 9...

Page 37: ...s bit3 indicates SET status Default 0xF not open R 0xFE22 65058 LED etc and backlight Unsigned short Bit0 indicates the status of LED1 bit1 indicates the status of LED2 bit3 indicates backlight status Default 2 must be written to 0 to restore the default state not open W R 0xFE23 65059 reserved W R 0xFE24 65060 Arc Self Test 2 Unsigned short Write 1 to open read self test 2 result permission After...

Page 38: ...nce which can be removed manually or by Modbus 3 4 2017 7 14 1 Add component status 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 ...

Page 39: ...above products Add HS4Q large range registers 0x0400 0x0500 4 3 2020 08 07 Terminal definition picture update The picture voltage matches the description voltage Delete FAQ Contact us If you have any questions about this product please contact us Please remember the following contact information Fonrich Shanghai New Energy Technology Co Ltd Add 1st Floor Building 5 No 999 Jiangyue Road Minhang Dis...

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