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Wireless Data Transceiver

E850-DTU(4440-GPRS) datasheet

Copyright ©2012–2018

，成都亿佰特电子科技有限公司

5

At this time, you can see the current device address, for the "auto refresh" process, you can perform
the switch output control, the switch input read, the analog input read.

1.2.2 Network control

At the website:

http://yun.cdebyte.com/www/data_direct

The acquisition can be controlled by

commands, and the command supports the Modbus TCP/RTU protocol.

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Summary of Contents for 4440-GPRS

Page 1: ...manual may change with the continuous improvement of the product Please refer to the latest version of the instruction Chengdu Ebyte Electronic Technology Co Ltd reserves all rights of final interpretation and modification of this manual ...

Page 2: ...ess for 5 seconds the Modbus device address RS485 baud rate and parity bit restore factory settings Hardware watchdog with high reliability Multiple indicators to show working status The power supply has good functions such as overcurrent overvoltage and anti reverse connection Note Products can be customized such as conditional control how to output based on input state 1 Quick start This chapter...

Page 3: ...Wireless Data Transceiver E850 DTU 4440 GPRS datasheet Copyright 2012 2018 成都亿佰特电子科技有限公司 3 1 1 Connection 1 1 1 RS485 connection 1 1 2 switch input connection 1 1 3 Relay output connection ...

Page 4: ... Quick instruction Cable connection The computer connects to the E850 DTU 4440 GPRS via USB to RS485 Network connection Insert SIM card in power off state Power supply E850 DTU 4440 GPRS working voltage is DC 8 28V 1 2 1 RS485 control Select the port click Search and search the device After the device is searched click Stop ...

Page 5: ...e the current device address for the auto refresh process you can perform the switch output control the switch input read the analog input read 1 2 2 Network control At the website http yun cdebyte com www data_direct The acquisition can be controlled by commands and the command supports the Modbus TCP RTU protocol ...

Page 6: ...Modbus TCP RTU protocol The product is highly easy to use and can be easily and quickly integrated into your system for GPRS based remote control 2 1 Parameters Item Description Wireless parameter Standard frequency band 850 900 1800 1900MHz Hardware parameter Size H W D 172 107 29mm Weight Working temperature 20 70 Storage temperature 40 85 Working humidity 5 95 Storage humidity 1 95 Working volt...

Page 7: ...2 2018 成都亿佰特电子科技有限公司 7 Accuracy 0 2 Data interface RS485 1200 115200bps Software parameter Network type GPRS Configuration command Modbus TCP RTU Network protocol Modbus TCP RTU Working mode Master mode slave mode Data transmission mode TCP Client 2 2 Size and interface ...

Page 8: ... SIM Card slot SIM Card slot Insert SIM card to connect network 10 ANT Antenna interface GPRS antenna Signal interface 1 AI 1 Analog input 1 Analog input pin forming an input with AIG 2 AIG Analog input ground Can be paired with AI 1 3 AI 2 Analog input 2 Analog input pin forming an input with AIG 4 AIG Analog input ground Can be paired with AI 2 5 AI 3 Analog input 3 Analog input pin forming an i...

Page 9: ...ed pin Can be paired with common end of relay 3 24 COM 3 Common end of relay 3 Can be paired with other pins of relay 3 25 NO 3 Relay 3 normally open pin Can be paired with common end of relay 3 26 NC 4 Relay 4 normally closed pin Can be paired with common end of relay 4 27 COM 4 Common end of relay 4 Can be paired with other pins of relay 4 28 NO 4 Relay 4 normally open pin Can be paired with com...

Page 10: ... quick blinking after successful reset 16 PWR Power indication Red LED Constantly bright Note Grounding It is recommended to connect the case to the ground 2 3 Reload button description Long press 5S is valid after the reset is successful the WORK led blinks quickly and the Modbus device address RS485 serial port baud rate and parity bit are restored to the factory settings 3 Modbus 3 1 Register A...

Page 11: ...e 40078 0x004D 1 Device address Read Write 1 247 0x03 0x06 0x10 40079 0x004E 1 Baud rate Read Write 0 7 40080 0x004F 1 Parity bit Read Write 0 2 40081 0x005 0 1 Master or slave mode Read Write 0 1 40082 0x0051 1 Automatic reporting of switch quantity Read Write 0 2 40083 0x0052 1 switch output time setting ms Read Write 300 65535 40084 0x005 3 1 Analog quantity range setting Read Write 0 1 40085 0...

Page 12: ...ress table 1 default 1 2 2 3 3 245 245 246 246 247 247 3 3 RS485 Serial port baud rate value table Serial port baud rate value table 0 1200 1 2400 2 4800 3 default 9600 4 19200 5 38400 6 57600 7 115200 3 4 RS485 Serial port parity bit value table Serial port parity bit value table 0 default No parity 1 Even parity 2 Odd parity 3 5 Configure parameters through the host computer Select Parameter Set...

Page 13: ...or 485 bus sender conforms to Modbus RTU Modbus TCP protocol and the address in the data is the device address and the device will reply with the same protocol If the data sent by the network or 485 bus to the device does not comply with the Modbus RTU Modbus TCP protocol or even if the Modbus RTU and Modbus TCP protocols are met but the data address is not the device address the data will be disc...

Page 14: ...ponds to the sender with the same protocol If the data sent by the network or 485 bus to the device does not comply with the Modbus RTU Modbus TCP protocol or even if the Modbus RTU and Modbus TCP protocols are met but the data address is not the device address the data transmitted from the 485 bus will be transmitted to the network the data transmitted from the network will be transmitted to the ...

Page 15: ...channel switch output state assume that the return value is 03 corresponding to the binary bit 0000 0011 the lower four bits represent the switch output state which in turn is DO4 DO3 DO2 DO1 Modbus RTU protocol read switch output Send 01 01 00 10 00 04 3C 0C Device ModBus address Function code Start address Read number of switch quantity CRC code Receive 01 01 01 03 11 89 Device ModBus address Fu...

Page 16: ...isconnect writing value 00 Modbus RTU protocol write switch output Send 01 05 00 11 FF 00 DC 3F Device ModBus address Function code Switch quantity address Write value CRC code Receive 01 05 00 11 FF 00 DC 3F Device ModBus address Function code Switch quantity address Write value CRC code Modbus TCP protocol write switch output Send 00 01 00 00 00 06 01 05 00 11 FF 00 Transmi ssion identifie r Pro...

Page 17: ...e 00 01 00 00 00 06 01 0F 00 11 00 02 Transm ission identifi er Protoc ol identifi er Leng th Unit identifier Funct ion code Switch quantity address Write number of switch quantity 4 2 2 Read switch quantity DI input Function 02 Read switch quantity input state Address range 10017 0x0010 10020 0x0013 Note The device default dry contact input When DI and COM are shorted the read value should be 1 w...

Page 18: ...00 00 04 01 02 01 05 Transmi ssion identifie r Protocol identifier Length Unit identifie r Functi on code Bytes returned Write value 4 2 3 Read analog quantity AI input Function code 03 Read holding register 04 Read input register Address range 30017 0x0010 30020 0x0013 Note Input unit is uA For example Function code 0x03 read AI1 input assuming AI1 input is 9946uA the corresponding value should b...

Page 19: ... 0F Device ModBus address Function code Start address Write number of switch quantity CRC code Receive 01 04 02 26 DA 22 CB Device ModBus address Function code Bytes returned Write value CRC code Modbus TCP read analog quantity input Send 00 01 00 00 00 06 01 04 00 10 00 01 Transmi ssion identifie r Protocol identifier Length Unit identifie r Functi on code Analog quantity address Write number of ...

Page 20: ...s detected 16 pulses at present DI2 has detected 3 pulses at present and reads DI1 and DI2 switch input count values Modbus RTU protocol read pulse count value Send 01 03 00 30 00 02 C4 04 Device ModBus address Function code Start address Read number CRC code Receiv e 01 03 04 00 10 00 03 BB F7 Device ModBus address Function code Bytes returned DI1 count value DI2 count value CRC code Modbus TCP p...

Page 21: ...n code Address Write value CRC code Modbus TCP protocol Clear to zero pulse count value Send 00 01 00 00 00 06 01 06 00 40 00 0a Transmis sion identifier Protoco l identifie r Length Unit identifie r Functi on code Address Write value Receive 00 01 00 00 00 06 01 06 00 40 00 0a Transmis sion identifier Protocol identifier Length Unit identifie r Functi on code Address Write value 4 3 2 Switch quan...

Page 22: ...ng state that is the switch output is holding as closed If it is set to 300ms and above such as 500ms after the switch output close command is sent the switch quantity will be closed for 500ms and then automatically disconnected after 500ms 4 3 4 Restart switch quantity output state setting This is the setting of whether the device hodes the state when restarts after power off or restartes to main...

Page 23: ...decimal 7BC7 protocol type TCP UDP is stored using the protocol register the value 0x0001 corresponds to the TCP protocol and the value 0x0000 corresponds to the UDP protocol That is when the IP is 116 62 42 192 and the port is 31687 the TCP protocol the unused IP or domain name register can be filled with 0 or not filled If you need to use the function code 0x10 to write the IP domain name port a...

Page 24: ... ive 00 01 00 00 00 06 01 10 00 63 00 18 Transm ission identifi er Protoco l identifie r Lengt h Unit iden tifier Functi on code Address Register length 4 4 2 User defineddd register The user defined registration package can be ASCII code or hex the length of hex cannot be longer than 20 bytes and the length of ASCII code cannot be longer than 40 bytes The first register of the user defined regist...

Page 25: ...acket is sent to the server 00 03 Send a MAC IMEI registration package only when connecting to the server for the first time 00 04 Send a user defined registration package only the first time connected to the server Modbus RTU protocol write registration packet register Send 01 10 00 7B 00 17 2E 00 01 00 0A 41 42 43 44 45 46 47 48 49 4A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0...

Page 26: ...t data type The value 0x0000 indicates that the heartbeat packet is in hex format and the value 0x0001 indicates that the heartbeat packet is in ASCII format When the value is 0x0000 the heartbeat packet value is 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 The second register of the heartbeat packet is used to store the length of the heartbeat packet value The heartbeat packet value has a le...

Page 27: ... 01 02 03 04 05 06 07 08 09 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Tran smis sion ident ifier Prot ocol ident ifier Leng th Unit ide ntifi er Fu nct ion co de Addr ess Regis ter length Byt es Write value Rece ive 00 01 00 00 00 06 01 10 00 92 00 16 Transmi ssion identifie r Protocol identifie r Lengt h Unit iden tifie Functi on code Address Regist...

Page 28: ...s register is 0x0000 the cloud transparent transmission function is turned off When the value of this register is 0x0001 the cloud transparent transmission function is turned on Default turn off 4 4 6 Read IMEI The IMEI register read start address is 40171 0x00AA and the total length of the register is 11 The first register is the IMEI length and the second register to the eleventh register stores...

Page 29: ...ng register value is as follows In the register the base station location value is a hexadecimal ASCII value 40193 0x00C0 40194 0x00C1 40213 0x00D4 Base station location register length Base station location register 00 14 4C 41 43 3A 38 31 32 46 2C 43 49 44 3A 38 30 35 36 42 30 38 Important Notes All rights to interpret and modify this manual belong to Ebyte This manual will be updated based on t...

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