SMARTBRIDGE USER MANUAL
(model SB020100 RTU MODBUS to LORAWAN CONVERTER
Hardware version v02.01.00)
Page 1: ...SMARTBRIDGE USER MANUAL model SB020100 RTU MODBUS to LORAWAN CONVERTER Hardware version v02 01 00...
Page 2: ...1 Reading data type and address of the requested group of Modbus registers 18 7 1 3 UPLINK 02 Reading slave address and function of the requested group of Modbus registers 19 7 1 4 UPLINK 03 Serial Mo...
Page 3: ...o the unit or other equipment associated with the system Read the manual carefully prior to connecting the unit Follow all installation and maintenance instructions throughout the unit s working life...
Page 4: ...odbus RS485 network and it is able to read and write parameters from the Modbus network through the LoRaWAN communication Figure 1 SmartBridge external appearance LoRaWAN is a very extended internet o...
Page 5: ...B020100 Smart Bridge LoRaWAN MODBUS UMAOC003 Rev E USER MANUAL Page 4 of 38 Figure 3 Status and configuration parameters can be obtained using the NFC technology in smartphones and SmatrBridge Tool ap...
Page 6: ...AOC003 Rev E USER MANUAL Page 5 of 38 4 INSTALLATION 4 1 Electrical diagram Figure 4 Diagram connection for SmartBridge in the RS485 Modbus Network 4 2 Connectors Figure 5 Connectors location in Smart...
Page 7: ...AL Page 6 of 38 Connector position Description Electrical value J8 1 Not used J8 2 Not used J8 3 RS485 communication output signal A From 7V to 12V J8 4 RS485 communication output signal B From 7V to...
Page 8: ...front of the housing the values can be read and modified with application SmartBridge Tool NOTE 1 NFC communication is very selective It means the NFC antennas of the smartphone and the SmartBridge m...
Page 9: ...transmissions is minimal 5 2 2 LoRaWAN communication parameters Time to send data The interval to perform each uplink is defined in minutes The minimum slot time which can be adjusted is 3 minutes and...
Page 10: ...he Application Session Key encrypts data during transmission and other applications which can access to the network cannot see the content of messages The length is 16 bytes Network Session Key NwkSKe...
Page 11: ...gion EU868 US915 or AS923 Please take into account the values indicated in tables are maximum limit values and device could radiate in equal or lower level Table for EU868 TXPower Configuration EIRP 0...
Page 12: ...ices If slaves does not answer before Timeout is exhausted or slave answers an exception it is considered as an error Figure 8 Example of Modbus network over RS485 bus NOTE The timeout for the SmartBr...
Page 13: ...verted to a 16 bits data half float to meet with the maximum length defined for the uplink frame type 00 Read value from Modbus parameters This setting is useful when it is needed get more than 4 sing...
Page 14: ...en node and gateway the size and the quantity of obstacles in line transmission as buildings climatic conditions etc To ensure the success of data transmissions is recommended to initialize the SmartB...
Page 15: ...egisters configured by the user Check if it is the end of the day 00 00h to update in EEPROM counters frame counters and other internal parameters All these tasks take 30 seconds 6 2 NFC signal detect...
Page 16: ...MODBUS UMAOC003 Rev E USER MANUAL Page 15 of 38 Example 1 all parameters enabled Figure 11 Modbus communication management example 1 Example 1 parameters from 5 to 12 disabled Figure 12 Modbus commun...
Page 17: ...ata type e Parameter enabled indicator variable type mask low nibble 0xX1 Parameter 1 enabled 0xX2 Parameter 2 enabled 0xX4 Parameter 3 enabled 0xX8 Parameter 4 enabled 0xXF All parameters enabled Exa...
Page 18: ...parameter can be obtained in the way vX_hi High part 8 bits of the value of the parameter X vX_lo Low part 8 bits of the value of the parameter X Example v1_hi 10d 00001010b v1_lo 78d 01001110b value...
Page 19: ...4_lo tt Type of frame 01 Reading address and data type of the Modbus parameters requested dd Parameter type data indicator variable type mask low nibble Values 0 integer 16 bits 1 half float 16 bits E...
Page 20: ...byte 4 byte 5 byte 6 byte 7 byte 8 byte 9 byte 10 byte 11 tt ee gg slv1 f1 slv2 f2 slv3 f3 slv4 f4 tt Type of frame 02 Reading slave address and Modbus function of the Modbus parameters requested ee P...
Page 21: ...yte 1 byte 2 byte 3 byte 4 byte 5 byte 6 byte 7 byte 8 tt bd_1 bd_2 bd_3 bd_4 nd ns pp tt Type of frame 03 Serial Modbus RS485 settings bd_1 bd_2 bd_3 bd_4 Baudrate adjusted for Modbus communication 3...
Page 22: ...ribed below byte 1 byte 2 byte 3 byte 4 byte 5 byte 6 byte 7 tt te mv sn hh mm ss tt Type of frame 04 SmartBridge Status te Temperature in C data type 8 bits signed mv microcontroller voltage supply i...
Page 23: ...defined as half float Parameters 3 and 4 defined as integer Example 2 0x08 00001000b Parameters 1 2 and 3 defined as integer Parameters 4 defined as half float gg Index of the group of registers to a...
Page 24: ...11b Parameters 1 and 2 enabled Example 2 15d 00001111b All parameters enabled gg Index of the group of registers to apply configuration Values 1 Group Register 1 from register 1 to register 4 2 Group...
Page 25: ...nfigure RS485 Modbus communication parameters bd_1 bd_2 bd_3 bd_4 Baudrate adjusted for Modbus communication 32 bits Example bd_1 00d bd_2 01d bd_3 194d bd_4 00d baudrate bd_1 256 bd_2 256 bd_3 256 bd...
Page 26: ...mmand to slave nn Number of bytes of the frame to send to slave device maximum 9 bytes f0 f8 Modbus command to send to slave device without CRC SmartBridge calculate CRC and add the 2 extra bytes in t...
Page 27: ...t Type of frame 06 Configure uplink time period tt_hi High part of the value to configure the slot time between uplinks tt_lo Low part of the value to configure the slot time between uplinks Example c...
Page 28: ...yte 2 byte 3 byte 4 byte 5 byte 6 byte 7 byte 8 tt hh mm ss ww dd mn yy tt Link type of configuration 07 Time and date adjustment hh Hours in format in 24H mm Minutes ss Seconds ww Day of the week 01...
Page 29: ...s gg optional only for uplinks type 00 01 and 02 Index of the group of registers requested Values 1 Group Register 1 from register 1 to register 4 2 Group Register 2 from register 5 to register 8 3 Gr...
Page 30: ...arameters are entered in decimal through the SmartBridge app Wrong Modbus settings Check the baudrate parity and stop bits are according to the Modbus network Wrong bus connection Check the RS485 wire...
Page 31: ...his step is very important to avoid reset all system to work properly 6 Make all connections and ensure all well done 7 Ensure the O ring is placed correctly to avoid humidity inside the housing in we...
Page 32: ...D pin cable must be connected in pin 1 of the circuit connector Figure 13 Programming connector and reset button locations 5 Launch the PC software and follow indications Figure 14 Screenshot of the P...
Page 33: ...50 C Storage temperature 20 C 60 C Air humidity 15 90 rH non condensing Mechanical features Dimensions WHD 110x150x40mm without antenna Weight 320g IP class IP67 Housing material ABS UL94 V 0 LoRaWAN...
Page 34: ...C Memory access Read allowed Write allowed Internal sensor Housing temperature Range 20 C 60 C Resolution 0 5 C Modbus communication Type Modbus RTU Physical link RS485 2 wires A B and shield connecti...
Page 35: ...nity EN 301 489 3 V2 1 Electrostatic discharges EN61000 4 2 Radiated immunity EN61000 4 3 Radiospectrum efficiency Short Range Devices operating on 25MHz to 1000MHz EN 300 220 2 V3 1 1 Radiated spurio...
Page 36: ...B020100 Smart Bridge LoRaWAN MODBUS UMAOC003 Rev E USER MANUAL Page 35 of 38 12 TRADEMARKS All referenced brands product names services names and trademarks are the property of their respective owners...
Page 37: ...or the storage installation and maintenance instructions listed in this manual have not been followed Improper usage is defined as any operating or storage condition not allowed in the national elect...
Page 38: ...ug 2019 First edition B 08 Aug 2019 Included new functionality to get float values from the Modbus slaves C 21 Jul 2020 Included new functionality Modbus registers management up to 20 registers D 24 F...
Page 39: ...v E USER MANUAL Page 38 of 38 15 CONTACT INFORMATION For more information please visit http www aonchip com For sales please send an email to info aonchip com IOT AONCHIP S L CEMENTIRI VELL 12 1 1 082...
