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INSTALLATION MANUAL

ProSMS 8

6.4

MODBUS registers

Input registers, MODBUS function 4

Register ID

Address

Data Type Possible Values

Unit

Description

R/W

ENERGY_STR01

0000,0001

INT32

2147483647

kWh*100

Accumulated energy string 1 [LSW is 0000, MSW is 0001]

ENERGY_STR02

0002,0003

INT32

2147483647

kWh*100

Accumulated energy string 2 [LSW is 0002, MSW is 0003]

ENERGY_STR03

0004,0005

INT32

2147483648

kWh*100

Accumulated energy string 3 [LSW is 0004, MSW is 0005]

ENERGY_STR04

0006,0007

INT32

2147483649

kWh*100

Accumulated energy string 4 [LSW is 0006, MSW is 0007]

ENERGY_STR05

0008,0009

INT32

2147483650

kWh*100

Accumulated energy string 5 [LSW is 0008, MSW is 0009]

ENERGY_STR06

0010,0011

INT32

2147483651

kWh*100

Accumulated energy string 6 [LSW is 0010, MSW is 0011]

ENERGY_STR07

0012,0013

INT32

2147483652

kWh*100

Accumulated energy string 7 [LSW is 0012, MSW is 0013]

ENERGY_STR08

0014,0015

INT32

2147483653

kWh*100

Accumulated energy string 8 [LSW is 0014, MSW is 0015]

ENERGY_STR09

0016,0017

INT32

2147483654

kWh*100

Accumulated energy string 9 [LSW is 0016, MSW is 0017]

ENERGY_STR10

0018,0019

INT32

2147483655

kWh*100 Accumulated energy string 10 [LSW is 0018, MSW is 0019]

ENERGY_STR11

0020,0021

INT32

2147483656

kWh*100 Accumulated energy string 11 [LSW is 0020, MSW is 0021]

ENERGY_STR12

0022,0023

INT32

2147483657

kWh*100 Accumulated energy string 12 [LSW is 0022, MSW is 0023]

ENERGY_STR13

0024,0025

INT32

2147483658

kWh*100 Accumulated energy string 13 [LSW is 0024, MSW is 0025]

ENERGY_STR14

0026,0027

INT32

2147483659

kWh*100 Accumulated energy string 14 [LSW is 0026, MSW is 0027]

ENERGY_STR15

0028,0029

INT32

2147483660

kWh*100 Accumulated energy string 15 [LSW is 0028, MSW is 0029]

ENERGY_STR16

0030,0031

INT32

2147483660

kWh*100 Accumulated energy string 16 [LSW is 0030, MSW is 0031]

CURRENT_STR01

0032

INT16

-32000..+32000

Current string 1

CURRENT_STR02

0033

INT16

-32000..+32000

Current string 2

CURRENT_STR03

0034

INT16

-32000..+32000

Current string 3

CURRENT_STR04

0035

INT16

-32000..+32000

Current string 4

CURRENT_STR05

0036

INT16

-32000..+32000

Current string 5

CURRENT_STR06

0037

INT16

-32000..+32000

Current string 6

CURRENT_STR07

0038

INT16

-32000..+32000

Current string 7

CURRENT_STR08

0039

INT16

-32000..+32000

Current string 8

CURRENT_STR09

0040

INT16

-32000..+32000

Current string 9

CURRENT_STR10

0041

INT16

-32000..+32000

Current string 10

CURRENT_STR11

0042

INT16

-32000..+32000

Current string 11

CURRENT_STR12

0043

INT16

-32000..+32000

Current string 12

CURRENT_STR13

0044

INT16

-32000..+32000

Current string 13

CURRENT_STR14

0045

INT16

-32000..+32000

Current string 14

CURRENT_STR15

0046

INT16

-32000..+32000

Current string 15

CURRENT_STR16

0047

INT16

-32000..+32000

Current string 16

VOLTAGE

0048

UINT16

00..16000

V* 10

System voltage

VOLTAGE_ANALOG1

0049

INT16

-1000..+1000

V* 100

Analog input voltage 1

VOLTAGE_ANALOG2

0050

INT16

-1000..+1000

V* 100

Analog input voltage 2

TEMP_ENCLOSURE

0051

INT16

-400..+1600

ºC* 10

Temperature of string monitor enclosure

DIGITAL_INPUTS

0052

UINT16

0x0000..0x0003

Bits

Digital inputs [LSB inputs, MSB alarms]

CURRENT_AVE_STR01

0053

INT16

-32000..+32000

Average current string 1

CURRENT_AVE_STR02

0054

INT16

-32000..+32000

Average current string 2

CURRENT_AVE_STR03

0055

INT16

-32000..+32000

Average current string 3

CURRENT_AVE_STR04

0056

INT16

-32000..+32000

Average current string 4

CURRENT_AVE_STR05

0057

INT16

-32000..+32000

Average current string 5

CURRENT_AVE_STR06

0058

INT16

-32000..+32000

Average current string 6

CURRENT_AVE_STR07

0059

INT16

-32000..+32000

Average current string 7

CURRENT_AVE_STR08

0060

INT16

-32000..+32000

Average current string 8

CURRENT_AVE_STR09

0061

INT16

-32000..+32000

Average current string 9

CURRENT_AVE_STR10

0062

INT16

-32000..+32000

Average current string 10

CURRENT_AVE_STR11

0063

INT16

-32000..+32000

Average current string 11

CURRENT_AVE_STR12

0064

INT16

-32000..+32000

Average current string 12

CURRENT_AVE_STR13

0065

INT16

-32000..+32000

Average current string 13

CURRENT_AVE_STR14

0066

INT16

-32000..+32000

Average current string 14

CURRENT_AVE_STR15

0067

INT16

-32000..+32000

Average current string 15

CURRENT_AVE_STR16

0068

INT16

-32000..+32000

Average current string 16

VOLTAGE_AVE

0069

UINT16

0..16000

V* 10

Average system voltage

TEMP_ENCLOSURE_AVE

0070

INT16

-400..+1600

ºC* 10

Average temp of string monitor enclosure

SURGE COUNTER

0071

INT16

0..65536

Counts

Detected lightning surges

FREE_0

0072

INT16

FREE_1

0073

INT16

Accumulated V

alues

Instantaneous V

alues (Last 4s)

Surge

Integrated V

alues fr

om last r

eading to pr

esent

(Maximum Integration Time 24h)

Summary of Contents for ProSMS 8

Page 1: ...Installation Manual ProSMS 8 Protection and Monitoring Solution for PV Systems www raycap com INSTALLATION MANUAL ProSMS 8 ...

Page 2: ......

Page 3: ...erequisites 5 3 3 Installation tools 5 4 1 Device overview 6 5 1 Installation 7 5 2 Device setting 7 5 3 Cabling recommendations 8 5 4 Digital Input Output 9 6 1 MODBUS interface 10 6 2 MODBUS typical communication connections 11 6 3 ProSMS settings 13 6 4 MODBUS registers 15 7 1 Device operation 20 7 2 Energy measurement per string 20 7 3 Operation principles 21 7 4 Min Max measurement 22 7 5 Sur...

Page 4: ...lopment and improvement of the documentation Raycap has made all reasonable efforts to ensure that the instructions contained in this document are adequate and free of material errors and omissions Raycap will if deemed necessary explain issues which may not be covered by this document The contents of this document are subject to revision without notice due to continued progress in methodology des...

Page 5: ... persons Disconnect before installing removing carrying out maintenance or repair Direct current marking DC The CE marking is the legal required labeling for several EU Directives of the European Union This CE marking shows that the product complies with all the relevant European Legal Directives Indicates important information 3 1 Package contents 1 ProSMS 8 unit 3 2 Prerequisites This document d...

Page 6: ...r Negative current flow indication Integrated surge event counter User configurable relay output for general remote control of auxiliary equipment Built in communication diagnostic registers per MODBUS standard These features assist PV system operators to better understand and respond to field maintenance needs thereby resulting in reduced operating expense and potential downtime Fig 4 1 Device ov...

Page 7: ...ating per IEC60529 5 2 Device setting Before powering device for the first time set device address and communication options as per the ProSMS settings tables on page 13 No reboot or removing applying power is necessary for changes in settings or address to take effect ProSMS has an advanced built in mechanism that recognizes settings change and sets internal parameters to match the settings immed...

Page 8: ...without ferrules is required Cables with lower cross sectional area may be used for installations where less than 20A per string can be expected String voltage measurement connections 1000VDC At least 1mm tinned double insulated fine stranded cable with ferrules is required MODBUS GND A B Shielded twisted pair cable designed for RS485 interfacing is required Cable should have at least two twisted ...

Page 9: ...ary inputs are read from the Modbus input register 00052 see page 15 The ProSMS also provides an optional output control via the SPDT relay contacts These contacts can be used for a variety of purposes such as the control of a safety disconnect switch or the signal to a PLC or other relay contactor The output is controlled by writing to the Modbus holding register 00000 see page 16 Relay output te...

Page 10: ...signals Connect both wires of the remaining twisted pair to GND MODBUS Terminal If a cable has more than two twisted pairs connect all unused pairs to GND MODBUS terminals at each ProSMS unit For optimal data communication do not leave these floating The last unit in the chain must be terminated with a 120 ohm resistor GND Modbus wires Data signal common potential should be grounded once at the ma...

Page 11: ...rminal to the ProSMS does not have to be the same as the main communication cable and can be of a smaller cross section for example 0 2mm2 but still needs to be RS485 certified twisted pair shielded cable The third solution with external terminals is to wire both RS485 connections from ProSMS to the external terminal Fig 6 5 so no Stub forms in the communication bus but care has to be taken to use...

Page 12: ... www raycap com 6 2 MODBUS typical communication connections continued Fig 6 4 MODBUS cabling connection to ProSMS via intermediate connection terminal in combiner box enclosure Fig 6 5 MODBUS cabling connection to ProSMS via intermediate connection terminal in combiner box enclosure No Stub variant ...

Page 13: ...ress 2 1 1 0 0 0 0 0 0 Slave address 3 0 0 1 0 0 0 0 0 Slave address 4 1 0 1 0 0 0 0 0 Slave address 5 1 1 0 0 1 1 1 1 Slave address 243 0 0 1 0 1 1 1 1 Slave address 244 1 0 1 0 1 1 1 1 Slave address 245 0 1 1 0 1 1 1 1 Slave address 246 1 1 1 0 1 1 1 1 Slave address 247 DIP Switch Position 1 2 3 Meaning Baud Rate 0 0 0 2400 bps 1 0 0 4800 bps 0 1 0 9600 bps 1 1 0 19200 bps 0 0 1 38400 bps factor...

Page 14: ...the maximum time allowed between two received character bytes before the whole received packed is out of specification and considered bad t3 5 is 3 5x the character time at given baud rate and is used for end of message detection When relaxed timing is enabled by DIP switch ProSMS uses this additional timing factor located in RELAXED_TIMING register to extend t1 5 and t3 5 timing limits Settings l...

Page 15: ...32000 32000 mA Current string 7 R CURRENT_STR08 0039 INT16 32000 32000 mA Current string 8 R CURRENT_STR09 0040 INT16 32000 32000 mA Current string 9 R CURRENT_STR10 0041 INT16 32000 32000 mA Current string 10 R CURRENT_STR11 0042 INT16 32000 32000 mA Current string 11 R CURRENT_STR12 0043 INT16 32000 32000 mA Current string 12 R CURRENT_STR13 0044 INT16 32000 32000 mA Current string 13 R CURRENT_...

Page 16: ...current string 15 R CURRENT_MIN_STR16 0089 INT16 32000 32000 mA Minimum current string 16 R CURRENT_MAX_STR01 0090 INT16 32000 32000 mA Maxmimum current string 1 R CURRENT_MAX_STR02 0091 INT16 32000 32000 mA Maxmimum current string 2 R CURRENT_MAX_STR03 0092 INT16 32000 32000 mA Maxmimum current string 3 R CURRENT_MAX_STR04 0093 INT16 32000 32000 mA Maxmimum current string 4 R CURRENT_MAX_STR05 00...

Page 17: ...e PC Linux based Master units that do not meet required timing the Relaxed Timing Mode can be used In this way ProSMS will allow the Master unit a greater byte to byte transmit delay and time to transmit complete data before flagging it as bad The Relaxed Timing mode is enabled by setting DIP switch position 6 to ON When this switch is in the OFF position timing factor 1 is used independent of wha...

Page 18: ...e Master of at least one of the averaging registers This command is intended to allow precise comparison of the measured average values between multiple ProSMS units following a multicast write of this command to all units on the bus 12 0x0C This command clears the Min Max registers After execution ProSMS starts creating new minimum and maximum values It is not necessary to clear the registers dur...

Page 19: ...g broadcast messages that the remote device has processed since last power up every morning last clearing of this counters or after a remote ProSMS restart 15 0x0F Quantity of messages addressed to the ProSMS for which it has returned no response neither a normal response nor an exception response since last power up every morning last clearing of this counters or after a remote ProSMS restart 16 ...

Page 20: ...ion Sub Function Data CRC Master Query HEX 05 08 000B 0000 904D Slave Response HEX 05 08 000B 00C8 91DB CAUTION VOLTAGE DANGER WARNING NOTICE CAUTION VOLTAGE DANGER WARNING NOTICE CAUTION VOLTAGE DANGER WARNING NOTICE 7 1 Device operation When there is sufficient solar panel illumination to produce at least 90V system voltage ProSMS will self power and begin to operate Start of operation is signal...

Page 21: ...ter gives the average value over the last 4s Integrated average value register Reading of the integrated average value registers reports a true average value from the last master read to the current reading Even the smallest changes in Current or Voltage down to 15ms are sampled and integrated into the reported average Reading time interval can be set to 15 mins or even more without fear of the in...

Page 22: ...connections This can be achieved by calculating difference between Min values among nearby Strings Where one string is shown to have greater difference it may indicate a possible problem with the terminal connections 7 5 Surge counter The ProSMS has a built in surge counter which is capable of detecting and counting direct and indirect surges to the panels string cables or cabling to the central i...

Page 23: ...idity 10 95 non condensing Pollution degree For use in pollution degree 2 environment Max altitude rating 2000m Max heat dissipation on all channels 240A 10W I O interfaces Digital inputs Two potential free contact closure inputs internally pulled to 5V Relay output SPDT relay maximum operating voltage 250VAC 0 5A at 125VAC 2A at 30VDC LED status Green for power yellow for communication red for er...

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