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Note that when configuring or reading parameters, do not tick the Auto Refresh.

Tick Auto Refresh to read and configure the input and output ports.

Note: Do not select automatic refresh when reading or writing parameters.

Select

automatic refresh after configuration or reading is completed, otherwise the parameter writing or
reading may not be successful.

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Содержание E831-RTU(8080T-485)

Страница 1: ...sermanual v1 0 This manual may change as the product continues to improve please refer to the latest version of the manual All rights to interpret and modify this Manual belong to Chengdu Ebyte Electronic Technology Co Ltd ...

Страница 2: ... Interface description 10 2 3 Command reset description 13 3 Modbus 13 3 1 Modbus Address table 13 3 2 Modbus Address table 14 3 3 RS485 Serial port baud rate code value table 14 3 4 RS485 Serial port parity digit code value table 15 3 5 Configure parameters through host 15 4 Product features 16 4 1 Mode selection 16 4 2 IO Basic function 16 4 3 IO Features 19 Important statement 21 Revision histo...

Страница 3: ...watchdog with high reliability Multiple indicators show operating status Power supply has good functions such as over current over voltage and anti reverse connection Wide voltage input 8V 28V 12V or 24V is recommended Users can customize functions such as condition control determining how to output based on input status 1 Quick start This chapter is a quick start introduction to E831 RTU 8080T 48...

Страница 4: ...rfere with the original signal Therefore a terminating resistor must be added at the end of the transmission line so that the signal does not reflect after reaching the end of the transmission line The termination resistance should be the same as the impedance of the communication cable with a typical value of 120 ohms Its role is to match the impedance of the bus to improve the anti interference ...

Страница 5: ...1 1 2 Digital input connection 1 1 3 Digital output NPN transistor collector open circuit output connection ...

Страница 6: ...U 8080T 485 via USB to RS485 Power supply E831 RTU 8080T 485 working voltage is DC 8 28V 12V or 24V is recommended 1 2 1 RS485 bus control Select the corresponding model and port and click Search to search for the device When the device is searched click Stop ...

Страница 7: ...At this time you can see the device address of the current device Click on read parameters or write parameters to read parameters and configure parameters ...

Страница 8: ...esh Tick Auto Refresh to read and configure the input and output ports Note Do not select automatic refresh when reading or writing parameters Select automatic refresh after configuration or reading is completed otherwise the parameter writing or reading may not be successful ...

Страница 9: ...H W D 105 75 30mm Weight 256g Interface method Crimping method 1 12 5 08mm Operating Voltage DC8V 28V 12V or 24V is recommended over 28V may damage the device Operating current 12V 56mA stand by current 12V 86mA operating current Communication Interface RS485 1200 115200bps 8 digital inputs Dry contact DI acquisition frequency1KHz 8 digital outputs Open collector DO contact capacity 40V 1A Baud ra...

Страница 10: ...2 2 Size Interface description ...

Страница 11: ...mped power input positive Power input DC 8V 28V 12V 24V recommended 4 DO8 Digital output channel 8 NPN transistor open collector output channel 8 5 DO7 Digital output channel 7 NPN transistor open collector output channel 7 6 DO6 Digital output channel 6 NPN transistor open collector output channel 6 7 DO5 Digital output channel 5 NPN transistor open collector output channel 5 ...

Страница 12: ... dry contact with DIG 18 DI6 Digital input channel 6 Form dry contact with DIG 19 DI5 Digital input channel 5 Form dry contact with DIG 20 DI4 Digital input channel 4 Form dry contact with DIG 21 DI3 Digital input channel 3 Form dry contact with DIG 22 DI2 Digital input channel 2 Form dry contact with DIG 23 DI1 Digital input channel 1 Form dry contact with DIG 24 DIG Digital input signal referenc...

Страница 13: ...ead write 00019 0x0012 1 DO3 Digital output Read write 00020 0x0013 1 DO4 Digital output Read write 00021 0x0014 1 DO5 Digital output Read write 00022 0x0015 1 DO6 Digital output Read write 00023 0x0016 1 DO7 Digital output Read write 00024 0x0017 1 DO8 Digital output Read write Reserve 10017 0x0010 1 DI1 Digital input Read only 0 1 0x02 10018 0x0011 1 DI2 Digital input Read only 10019 0x0012 1 DI...

Страница 14: ...0xFF 0x06 Reserve 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 digit Read write 0 2 40082 0x0051 1 Automatic report of switch value Read write 0 1 40083 0x0052 1 Digital output time setting ms Read write 100 65535 40085 0x0054 1 Switch value restart output status setting Read write 0x00 0x100 Reserve 40300 0x012B 1 Vers...

Страница 15: ...y 1 Even parity 2 Odd parity 3 5 Configure parameters through host Select the Parameter Setting column to read and write parameters For specific functions refer to product function introduction below Note To set the parameters please clear the Auto Refresh in the acquisition control page in order to avoid sometimes the parameter writing is not successful ...

Страница 16: ...upports 3 types of pulse counting methods rising edge counting falling edge counting and level counting methods see the pulse counting and clearing section below 4 2 IO Basic function 4 2 1 Switch value DO output 4 2 1 1 Reading switch value DO output ...

Страница 17: ...tes numbers Digital output value CRC parity code 4 2 1 2 Control switch value DO output Function code 05 Write single coil status 0F write multiple coil status Address range 00017 0x0010 00023 0x0017 Example Function code 0x05 writes DO2 digital output the write value is FF 00 close D02 port write the value 00 00 Modbus RTU protocol write digital output Transmis sion 01 05 00 11 FF 00 DC 3F Device...

Страница 18: ...alue should be 1 When DI and DIG are not short circuited the read value should be 0 Example Read 8 digital input values DI input terminal DI1 and DIG are short circuited DI2 and DIG are not short circuited DI3 and DIG are short circuited DI4 and DIG are not short circuited The read digital input value is 0x05 corresponding to the binary bit 0000 0101 The 8 bits represent the digital input value wh...

Страница 19: ... after power off Counting clear also supports manual clear and automatic clear functions input count is automatically cleared or manually cleared after reading which can be set If it is automatically cleared the register value will be cleared after each reading If it is manually cleared then either the maximum count of 65536 is cleared or the register is written to clear Writing 0 to the 0x0055 re...

Страница 20: ... transmit the changed value when the switch value changes Users can choose to transmit via RS485 or GPRS or turn off the automatic report function The switch value automatically reports and sets the corresponding Modbus register to 40081 0x0050 The value corresponds to the function 0 Turn off switch value automatic report function 1 Switch value automatic report function transmit via RS485 The upl...

Страница 21: ...sponding Modbus register of the switch value restart output status setting is 40085 0x0054 and its value range is 0x00 0x100 When the value of this register is 0x100 the last digital output status is maintained after power off and restart When the value of this register is 0x00 0xFF the lower 8 bits determine the status of the digital output of the device restart bit6 corresponds to DO6 bit5 corre...

Страница 22: ... us Revision history Version Data Description Issued by 1 0 Initial version 1 1 2019 8 19 Format adjustment Linson About us Sales hotline 4000 330 990 Tel 028 61399028 Support support cdebyte com Website www ebyte com Address Innovation Center B333 D347 4 XI XIN road High tech district west Chengdu Sichuan China ...

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