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User Manual 

 

 

Version 1.1

 

 

DC System Monitor

：

FR-DCMG-MMPS 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
 

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: [email protected]

 

 

 

Summary of Contents for FR-DCMG-MMPS

Page 1: ...C System Monitor FR DCMG MMPS 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: ...ring in combiner box and inverter 10 UI introduction 11 Key operation 11 Boot interface 11 Current interface 11 PLC status interface 12 Initial interface display 12 Detailed data interface of channel current and power generation 12 Parameter settings 13 Trip self test setting interface 14 Current calibration setting interface 15 System information display interface 15 Alarm status display interfac...

Page 3: ... Register description 20 Register description in bit units function code 02 20 Register description in word unit function code 03 04 06 30 PLC register 37 Function code 03 37 Function code 06 42 The data of PLC node 1 is as follows the data of other nodes are similar 43 Appendix 45 FAQ 45 Document revision record 46 Contact us 46 ...

Page 4: ...ment This manual is applicable to the products with the models of FR DCMG MMPS The software version is the monitoring module of version A088 and above this document also contains the description of the optional product PLC ...

Page 5: ...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 or PLC Display content For the detected voltage current temperature switching state power generation and other data the FR DCMG MMPS can display a histogram interface through the LCD to read the current and o...

Page 6: ...pe Model Description Optional expansion module PLC communication FR DCMG PLCD power line carrier PLC expansion module for 1000V and below systems needs to be used with FR DCMG MMPL FR DCMG PLCU For 1500V and below systems ...

Page 7: ...nput ground terminal DI1 DI2 DI3 DI4 4 digital input terminals 0 0 Connecting the shunt release 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 O SG DC 24V power supply terminal bidirectional power supply external output current maximum 100mA but it is not recommended to use the module for external power supply ...

Page 8: ...5 Optional PLC expansion module terminal description Symbol Meaning PLCx PV PV PLCx expansion module DC power terminal ...

Page 9: ...odule 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 ...

Page 10: ...7 Wiring diagram of monitoring module ...

Page 11: ...8 Optional PLC system network wiring diagram System diagram ...

Page 12: ...9 Network diagram Networking diagram of the gateway in the inverter Networking diagram of the gateway in the junction box ...

Page 13: ...10 PLC wiring in combiner box and inverter ...

Page 14: ...ESC and keys simultaneously to display the trip self test interface If there is no key operation for 10 seconds the interface will automatically jump to the default interface of the current mode and the brightness will decrease after 5 seconds Boot interface After the device is powered on the following interface will be displayed Current interface After the boot interface the histogram interface w...

Page 15: ...h address 18 PLC supports a maximum of 24 nodes and the address range of these 24 nodes is 1 24 The communication quality is represented by numbers 0 9 for example the data of the node with address 5 in the above figure can be received and the communication quality is the best 9 Initial interface display The factory default is Modbus mode When the host computer is connected to the device via RS485...

Page 16: ... and so on The figure below shows the cumulative power generation display interface CH1 in the figure indicates that the cumulative power generation of channel 1 is 6 929kwh and so on Parameter settings Press the SET key to enter the Modbus parameter setting interface The Modbus parameter setting is as shown in the figure below ADDR The communication address of the Modbus slave node the range is 1...

Page 17: ...stent otherwise it cannot communicate the setting range is 0 99 Press the key to continue the selection down to the third page of the setting interface THR Arc alarm threshold default 70 LANG language settings default EN Trip self test setting interface Press the ESC and keys at the same time to enter the shunt trip setting interface Factory default Release mode o DC voltage is 0v the interface is...

Page 18: ...c behavior is that when the time is reached the shunt release operates and after the enabling time has passed the shunt release is restored Current calibration setting interface Press the ESC and keys at the same time to enter the current calibration setting interface as shown below Note To use this feature please contact the company s technical support staff System information display interface I...

Page 19: ...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 fault and the user can choose to handle it locally or remotely By long pressing the ESC key for about 5 seconds locally the system jumps ou...

Page 20: ...nt is too high Total current is too high 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 Monitor DI3 status Monitor DI4 status Alarm conditions 1 Current reverse no current under current over current low current high current etc a Only when the average valu...

Page 21: ...ld an alarm occurs Alarm message No current alarm when the absolute value of the current is less than 250mA an alarm occurs Alarm message Arc Alarm Strategy The following arc strategies are designed according to the latest arc standards of UL1699B 1 If the arc intensity of any channel exceeds the channel alarm threshold threshold can be set default 70 a channel arc alarm will be generated 2 In the...

Page 22: ... 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 of data The check area uses CRC cyclic redundancy to check whether a frame of data is wrong The high byte of the data frame comes first and the low byte comes after Function code description Regis...

Page 23: ...action is performed and this bit is set Clear the alarm and set it to 0 0x0209 521 Total current is too high trip state The total current is high and an trip is performed and this bit is set Clear the alarm and set it to 0 0x020A 522 Channel no current trip state This bit is set to 1 when the channel has no current alarm and the trip condition is met and a trip is performed Clear alarm after setti...

Page 24: ...Total reverse current alarm status This bit is set when the total reverse current exceeds the alarm threshold Cleared below the alarm release threshold 0x0238 568 Total current too low alarm state This bit is set when the total current exceeds the alarm threshold Cleared below the alarm release threshold 0x0239 569 Total current too high alarm state This bit is set when the total current exceeds t...

Page 25: ...l is greater than the alarm threshold this bit is set to 1 after clearing the alarm it is set to 0 0x026C 620 Channel 13 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 0x026D 621 Channel 14 arc alarm status When the arc intensity of the channel is greater than the alarm threshold this bit is se...

Page 26: ...reshold otherwise cleared 0x0289 649 Channel 10 current reverse alarm status This bit is set when the channel current is reversed and greater than the alarm threshold otherwise cleared 0x028A 650 Channel 11 current reverse alarm status This bit is set when the channel current is reversed and greater than the alarm threshold otherwise cleared 0x028B 651 Channel 12 current reverse alarm status This ...

Page 27: ...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 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 T...

Page 28: ...t is set to 1 when the channel is undercurrent otherwise cleared 0x02C3 707 Channel 4 undercurrent alarm status This bit is set to 1 when the channel is undercurrent otherwise cleared 0x02C4 708 Channel 5 undercurrent alarm status This bit is set to 1 when the channel is undercurrent otherwise cleared 0x02C5 709 Channel 6 undercurrent alarm status This bit is set to 1 when the channel is undercurr...

Page 29: ...t to 1 when the channel is undercurrent otherwise cleared 0x02E0 736 Channel 1 overcurrent alarm status This bit is set to 1 when the channel is overcurrent otherwise cleared 0x02E1 737 Channel 2 overcurrent alarm status This bit is set to 1 when the channel is overcurrent otherwise cleared 0x02E2 738 Channel 3 overcurrent alarm status This bit is set to 1 when the channel is overcurrent otherwise...

Page 30: ...el is overcurrent otherwise cleared 0x02F5 757 Channel 22 overcurrent alarm status This bit is set to 1 when the channel 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 0x0300 768...

Page 31: ...is too low otherwise cleared 0x0312 786 Channel 19 current low alarm state This bit is set to 1 when the channel current 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 7...

Page 32: ...urrent 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 otherwise cleared 0x032F 815 Channel 16 current too high alarm state This bit is set to 1 when the channel current is too high otherwise cleared 0x0330 816 Channel 17 current too high alarm state This bit is set to 1 when the channel current is too high ...

Page 33: ... R Address 0x012A 0x0158 a total of 45 addresses function code 04 read but the data is not latched 0x012A 298 Shunt trip status 1 Unsigned short Bit0 bus arc trip code is 01 Bit1 channel arc 02 Bit3 overvoltage 04 bit4 high temperature 1 05 bit5 high temperature 2 06 bit6 channel current value is reversed 07 bit7 reverse total current is high 08 bit9 the total current is high 10 bit10 channel curr...

Page 34: ...m Unsigned short Default 0 0 No alarm 1 Alarm R 0x0153 339 Channel 1 16 current low alarm Unsigned short Default 0 0 No alarm 1 Alarm R 0x0154 340 Channel 17 24 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 24 current high alarm Unsigned short Default 0 0 No alarm 1 Alar...

Page 35: ... 800 setting range is greater than 400 W R 0x0B04 2820 Temperature sensor 2 alarm high threshold short Unit 0 1 C default 800 setting range is greater than 400 W R 0x0B05 2821 Total current low alarm threshold Unsigned Short Unit 10mA 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...

Page 36: ...FF W R 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 exter...

Page 37: ...hort Bit0 DI1 bit1 DI2 bit2 DI3 bit3 DI4 bit14 remote trip bit15 Alarm trip master switch function is forcibly turned on 1 Enable open trip 0 Disable close trip Default 0x8000 W R System information configuration 2 0x0C00 0x0C06 W R 0x0C00 3072 Clear power generation history value record Unsigned short Write 1 reset energy history record read always 0 W R 0x0C01 3073 Clear channel arc and bus arc ...

Page 38: ... 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 factory settings Read 0 W R 0xFE0F 65039 Retain 0xFE10 65040 Retain 0xFE11 65041 主机各模块状态信息 Unsigned short bit0 MCU is ready bit1 Modbus s...

Page 39: ...e system default Modbus Master baud rate is 9600bps Only after monitoring the battery board information it attempts to adjust the baud rate R 0xFE1F 65055 modbus status Unsigned short not open 0xFE20 65056 Screen test File system Unsigned short Write 1 black screen write 2 white screen write 3 to restore the default display Not open Read The total number of alarm messages stored in the file system...

Page 40: ...y in test mode 0 Normal mode 1 Test mode is not open Reserved 0x3010 12304 Node1 s tonemap high 16 bits The tonemap is 3 bytes in size and requires two register descriptions 0x3011 12305 Node1 s tonemap low 16 bits 0x3012 12306 Node2 s tonemap high 16 bits 0x3013 12307 Node2 s tonemap low 16 bits 0x3014 12308 Node3 s tonemap high 16 bits 0x3015 12309 Node3 s tonemap low 16 bits 0x3016 12310 Node4 ...

Page 41: ...ode 6 Range 0 9 9 means the best communication quality 0x3056 12374 Communication quality of node 7 Range 0 9 9 means the best communication quality 0x3057 12375 Communication quality of node 8 Range 0 9 9 means the best communication quality 0x3058 12376 Communication quality of node 9 Range 0 9 9 means the best communication quality 0x3059 12377 Communication quality of node 10 Range 0 9 9 means...

Page 42: ...r the value the better the connection quality 0x3073 12403 Connection quality of node 12 The range is 0 255 the larger the value the better the connection quality 0x3074 12404 Connection quality of node 13 The range is 0 255 the larger the value the better the connection quality 0x3075 12405 Connection quality of node 14 The range is 0 255 the larger the value the better the connection quality 0x3...

Page 43: ... of packets received from node 16 0x3097 12439 Number of packets received from node 24 Reserved 0x4000 0x4050 16384 16464 Read node 1 data Reserved 0x4100 0x4150 16640 16720 Read node 2 data Reserved 0x4200 0x4250 16896 16976 Read node 3 data Reserved 0x4300 0x4350 17152 17232 Read node 4 data Reserved 0x4400 0x4450 17408 17488 Read node 5 data Reserved 0x4500 0x4550 17664 17744 Read node 6 data R...

Page 44: ...x4D50 19712 19792 Read node 14 data Reserved 0x4E00 0x4E50 19968 20048 Read node 15 data Reserved 0x4F00 0x4F50 20224 20304 Read node 16 data Reserved 0x5000 0x5050 20580 20560 Read node 17 data Reserved 0x5100 0x5150 20736 20816 Read node 18 data Reserved 0x5200 0x5250 20992 21072 Read node 19 data Reserved 0x5300 0x5350 21284 21328 Read node 20 data Reserved 0x5400 0x5450 21504 21584 Read node 2...

Page 45: ... Set up BAND 0 CEN A 1 CEN_B 3 FCC 0x3004 12292 Write tonemap high 16 bits The tonemap is 3 bytes in size and requires two register descriptions PLC setting interface When BAND is CEN_A the range of tonemap values can be set to 0 0x3F inclusive When BAND is FCC set the range of tonemap value to 0 0xFFFFFF inclusive 0x3005 12293 Write tonemap low 16 bits 0x3006 12294 Send test data once Used for pr...

Page 46: ...efault 0 0x400a 0x4029 16394 16425 Channel 1 to 24 current Short Unit mA default 0 0x402a 16426 Shunt trip status 1 Unsigned Short Bit0 bus arc trip code is 01 bit1 channel arc 02 bit2 reserved 03 not open Bit3 overvoltage 04 bit4 high temperature 1 05 bit5 high temperature 2 06 bit6 channel current value reverse 07 bit7 total reverse current is high 08 bit8 reserved 09 not open bit9 total current...

Page 47: ...alarm default 0 0x402f 16431 Alarm status 3 Unsigned Short bit15 Total alarm status not open For alarm status 3 extension 0x4030 16432 Channel 1 16 arc alarm Unsigned Short Default 0 0 No alarm 1 Alarm 0x4031 16433 Channel 17 24 arc alarm Unsigned Short Default 0 0 No alarm 1 Alarm 0x4032 16434 The quantity of Bus arc history alarm Unsigned Short If the current channel alarms continuously the valu...

Page 48: ...45 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 ...

Page 49: ...unction interface and register FAQ screen flicker troubleshooting method PLC System diagram Parameter setting range Deletion Broadcast battery board and other registers 1 1 2020 04 28 Add FR DCMG HS4Q Hall Register DC 24V power supply wiring Contact us If you have any questions about this product please contact us Please remember the following contact information Fonrich Shanghai New Energy Techno...

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