EASY- 4 HALL USER MANUAL
Contents
1. p y Qa En er gy leam 11680670152 EASY 4 HALL Sensor for current measurement through Hall effect with RTU ModBus output USER MANUAL A Warnings and Precautions Install the module only as described in this manual don t violate the rules showed Before using it verify limits of applicability Before supplying it check that the connections correspond to those described on the manual In addition before beginning any maintenance disconnect the electrical connections of the device Don t modify the feature and the module as making holes on the case replacing its accessories with other coming from unknown manufacturers not described on the manual s list because this operation may compromise the protection degree causing also a malfunction and a damage of the instrument In addition don t modify the layout of the internal componenis For any calibration and maintenance of the internal circuit contact Energy Team In case of malfunction or fault send the device and include a precise description about the fault Don t expose the module to temperature ranges outside those reported on the data sheet Don t install it in sites with strong vibrations corrosive gases excessive dirt or high humidity Use it only in the operating limits Always supply it using the voltage reported on the data sheet and also check the power supply status Pay attention to accidental overvoltage on the input or output termi2. 1C limits 5D other warranties Whatever operation or manumission made by third parties not expressly authorized determines in each case the immediate termination of the warranty DISPOSAL WASTE OF ELECTRICAL AND ELECTRONIC EQUIPMENT WEEE Don t dispose among generic waste but collect separately for recycling and disposal operations according by law Rif 048 ma Doc PT 08 51 Rev 1 in date 09 07 2013 Made by L Gramegna Approved by M Bianchi
3. LED ON when the button is pressed It flashes during the configuring mode For details see the paragraph MODBUS PROGRAMMING PROCEDURE o SW1 Configuring button Example of connection to a concentrator Example of connection to RS 485 ModBus line by using only one terminal strip Terminal strips Easy 4 Hall Terminal strip Easy 4 Hall Output 12 24 Vdc The terminal strips are connected in parallel so one of them can be used for supplying other modules Concentrator Rif 048 ma Doc PT 08 51 Rev 1 in date 09 07 2013 Made by L Gramegna Approved by M Bianchi ZZ EnergyTeam i MODBUS PROGRAMMING PROCEDURE IMPORTANT NOTE In order to avoid uncomfortable subsequent configuration operations on the plant set the module address and the configuration parameters BEFORE installing it on the plant by means of the supplied Software Easy Config Easy 4Hall E8H is equipped by ModBus RTU Slave protocol implemented on a serial RS 485 interface bit rate parity and stop bit are settable through Software by means of the same ModBus interface It can identify and perform ModBus Read Holding Register 0x03 and Preset Single Register O0x06 commands There are two modes of operation 1 Measure Mode Normal mode the currents are measured and the standard ModBus commands are performed 2 Config Mode The protocol parameters are set Default ones are the
4. now on only by using of an interfacing software and by setting the network with these parameters it s possible the communication with Easy 4 Hall NOTE We recommend to carry out the configuration with the module separated from the ModBus network destination From Config Mode it s possible to go back to Measure Mode only by a Reset through the system software By inserting the command 25 see table below Alternatively you can switch off physically the module or leaving it waiting for 1 hour without valid commands MODBUS COMMANDS Let s show on the table the commands to be inserted in the interfacing software as numeric values reported in the field REGISTER and next is described DATA the meaning of the corresponding values valid for the REGISTER In this modality for these values it s possible to carry out both reading and writing operation Preset Single Register PSR 06 e Read Holding Registers RHR 03 REGISTER DATA RANGE OF VALUES SIZE 400 20 Slave Address 1 255 int 21 Baudrate 0 1200 1 2400 2 4800 3 9600 4 14400 5 19200 6 28800 7 38400 8 57600 9 115200 22 Parity 0 None int 1 Even 2 Odd 23 Stop Bits O 1 stop bit int 1 2 stop bits 24 Current Directions 0 normal int 1 inverted 25 Reset SW del sistema 1 int NOTE Considering the Data Current Directions Register 24 enter 0 value if the direction of the currents to be measured is concordant
5. el 3 It s possible to read more REGISTERs simultaneously By means of the 03 0002 8 command all the values of the 8 read currents are returned Rif 048 ma Doc PT 08 51 Rev 1 in date 09 07 2013 Made by L Gramegna Approved by M Bianchi Read Holding Registers RHR 03 REGISTER 400 02 decimal 03 DATA current channel 1 current channel 2 current channel 3 current channel 4 current channel 5 current channel 6 current channel 7 current channel 8 Temperature Buzzer State LED S N 1 S N 2 S N 3 S N 4 S N 5 S N 6 S N 7 Label 1 Label 2 Label 3 Label 4 Label 5 Label 6 Label 7 Label 8 Preset Single Register PSR 06 ADDRESS NOTE 12 100 101 102 103 104 105 106 107 DATA LED State and or buzzer Label 1 Label 2 Label 3 Label 4 Label 5 Label 6 Label 7 Label 8 RANGE OF VALUES measure units 32000 32000 m 32000 32000 m 32000 32000 m 32000 32000 m 32000 32000 m 32000 32000 m 32000 32000 m 32000 32000 m 40 125 C 0 OFF 1 ON 2 Flashing 2x0 255 2x0 255 2x0 255 2x0 255 2x0 255 2x0 255 2x0 255 2x0 255 2x0 255 2x0 255 2x0 255 2x0 255 2x0 255 2x0 255 2x0 255 A A A A A A A A RANGE OF VALUES measure units 0 OFF 1 ON 2 Flashing 2x0 255 2x0 255 2x0 255 2x0 255 2x0 255 2x0 255 2x0 255 2x0 255 SIZE signed int signed int signed int signed int signed
6. followings 38400 8 N 1 ModBus Address 99 NOTE During the operation of installation you must enter Config Mode modality set the parameters of your network and assign a ModBus address to Easy 4 Hall See the paragraph CONFIG MODE MEASURE MODE normal working After switching on the module the LED lights ON for 0 5 seconds immediately it emits two flashes and then it stays OFF It s the condition of Measure Mode which is the modality of normal working with the communication parameters saved in the memory during the Config Mode state NOTE If it s the first time that the module is switched on the parameters inserted in the Config Mode are the default ones 38400 8 N 1 e MB Address 99 MODBUS COMMANDS Let s show on the table the commands to be inserted in the interfacing software as numeric values reported in the field REGISTER and next is described DATA the meaning of the corresponding REGISTER By means of the Read Holding Registers RHR 03 command if the measured values of Current and Temperature are read in addition to unique Serial Number S N and by means of Preset Single Register PSR 06 it s possible to set the LED Buzzer state Example The Command 03 0004 1 refers respectively to 03 Read Holding Registers Command 0004 REGISTER to be read 1 Number of REGISTERs to be read consecutively In this case the answer got from Easy 4 Hall is the current on the Chann
7. int signed int signed int signed int signed int int 2 char cod 2 char cod 2 char cod 2 char cod 2 char cod 2 char cod 2 char cod 2 char cod 2 char cod 2 char cod 2 char cod 2 char cod 2 char cod 2 char cod 2 char cod SIZE int 2 char cod 2 char cod 2 char cod 2 char cod 2 char cod 2 char cod 2 char cod 2 char cod The negative values are as always represented in 2 complement i e they are calculated as READ_VALUE 65535 mA or C Example if the corresponding value read is equal to 60000 it means that the value of the current flowing is 60000 65535 5535MA 5 535A CONFIG MODE Procedure for programming network parameters of ModBus Rif 048 ma Doc PT 08 51 Rev 1 in date 09 07 2013 Made by L Gramegna Za lt _ ASCII ASCII ASCII ASCII ASCII ASCII ASCII ASCII ASCII ASCII ASCII ASCII ASCII ASCII ASCII ASCII ASCII ASCII ASCII ASCII ASCII ASCII ASCII Energy Team Approved by M Bianchi EnergyTeam To enter the Config Mode press and hold the button or when the module is closed keep the magnet near the circular target on the cover as shown on the figure until the internal LED begins to flash and the Buzzer beeps emitting an intermittent sound In Config Mode the RS485 ModBus communication parameters change as follows e Address 99 e Baudrate 38400 e Parity NONE e Stop Bit 1 From
8. ion of the cables without the interruption of the connection thanks to its openability and to internal shape of the base which allows the immediate insertion of the cables as a guide MAIN DISPOSITION AND COMPONENTS SUPPLIED Nr 8 Holes for the passage of cables interested to measure Nr 2 Cable glands for power supply and outputs LA Energy team EASYAlHALL MODEL EBR NOTE Proper sealing of the cable glands is constrained by the presence of the inserted cables Rif 048 ma Doc PT 08 51 Rev 1 in date 09 07 2013 Made by L Gramegna Approved by M Bianchi Energy Team MECHANICAL INSTALLATION 1 As showed on the picture just open Easy 4 Hall and insert the cables into the guides 2 Connect the cables to the special connectors on the printed circuit and carefully close the cover as showed on the picture 3 When closing the module exert a light pull on the cables then tighten by turning the nuts of the cable glands At the end close the module tightening the screws NOTE For a correct sealing of the Protection Degree IP65 before closing the module ensure that the heads of the inner seal are properly combined and the screws fixing the cover guarantee a perfect tightness In addition ensure a perfect tightness of the cable glands in output Before closing the module check the correct position of the cables When only one cable gland is used close the other hole wi
9. nals because it can damage the galvanic insulation ATTENTION During the installation operation DON T place the output signal cables near devices such as Transformers Engines Inverters Switchboards capacitor banks UPS groups and other devices which can generate electromagnetic noise In addition DON T twist them and DON T place them near cables carrying high currents and voltages NOTE This manual is part of the product and therefore must be carefully preserved Rif 048 ma Doc PT 08 51 Rev 1 in date 09 03 2013 Made by L Gramegna Approved by M Bianchi EnergyTeam INTRODUCTION This device can measure up to 8 string currents at the output of a photovoltaic panel and through the RTU ModBus interface it sends the values to a RS 485 insulated serial port The values of direct current are detected by a Hall effect sensor It has the advantage to monitor continuously the level of electrical energy produced by the photovoltaic panels and detect eventual inefficiencies so as to act promptly when eventual losses occur caused by anomalies in the system of production Data sent to a concentrator are suitably made available through the Web or in local modality by software Energy Sentinel PV which can display them online process them show them in graphics and historicize them so as to be processed for determining the real efficiency of the plant and know the productivity of it Main feature of this module is the insert
10. th a blind plug Rif 048 ma Doc PT 08 51 Rev 1 in date 09 07 2013 Made by L Gramegna Approved by M Bianchi EnergyTeam ELECTRICAL ISTALLATION IMPORTANT NOTE BEFORE supplying the module check the correct connection of the cables in the terminal strip a wrong connection may cause irreversible damages To get the access to internal connections unscrew the 6 fixing screws on the cover Pay attention when lifting the cover because it is connected with two cables to electronic circuit fixed on the top side of the module Cable e x V To Positive of Power Supply 12 24 Vdc TELDOR 4T00170XXX 6 pole or equivalent eal V To negative of Power Supply 3 Couples SCREEN low capacity Le hl A To corresponding terminal A of RS 485 port ModBus AWG min 26 Screen L max 1200 m eal B To corresponding terminal B of RS 485 port Le i GND To corresponding screen of RS 485 port DON NOT connect it to negative of Power Supply Power Supply AWG min 20 Screen L max 450 m For a maximum of 10 modules at the end of a line NOTE Within the module the terminal strip have been split but they are electrically connected Terminals 1 1 mm CZ J4 Inserted Only on the devices installed an the ends of RS 485 line for terminating the extremes e J4 Removed All other configurations Buzzer It beeps when the LED lights ON kl J41 Function at the moment not enabled O
11. with the one of the arrows designed on the cover Instead enter 1 if opposite With each new setting the parameter eventually changed will be saved in the memory but it will not be used immediately by the Easy 4 Hall until the next reset Example Inserting 06 40021 5 the setting of 19200 baud is saved but in Config Mode the Easy 4Hall will continue to work with 38400 baud We remember that the only way for going back to Measure Mode is the operation of Reset physical or through the special command 40025 1 or the waiting time of 1 hour Rif 048 ma Doc PT 08 51 Rev 1 in date 09 07 2013 Made by L Gramegna Approved by M Bianchi ZZ EnergyTeam l TECHNICAL FEATURES Dimensions 244x63x40 mm 244x86x40 mm with cable gland Weight Hole for solar cable Case material Protection degree IP65 Side for components IP20 Side for solar cables Power suppl Maximun consumption Working Temperature 20 C 70 C Measurement Communication Slave ModBus RTU on insulated RS485 Settable parameters Bit rate 1200 115200 bps Parity even odd none stop Bit 1 o 2 Address 1 255 WARRANTY Energy Team guarantees that the supplied products are free from defects and suitable for use If any malfunction occurs and these are due to manufacturing defects E T will respond within the terms and modalities foreseen by General Conditions of Supply with particular reference to articles 5B terms and duration
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