Ebyte MA02-XXCX0080, Руководство пользователя

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Chengdu Ebyte Electronic Technology Co.,Ltd.
【
8DO
】
MA02-XXCX0080 User Manual
Copyright ©2012–2021 ,Chengdu Ebyte Electronic Technology Co.,Ltd.
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32
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address address
If the modification is successful,If the modification is successful If the modification is successful
7.2.5 Write a single DO coil state
Use the 05 command to write a single command, for example: set the DO1 working mode to pulse
mode
20 05 00 00 FF 00 XX XX
Device
Modbus
address
FC Register start address
Write to the value
Coil action: on
CRC checkcode
After sending the above command to the device via RS232, the device returns the following values:
：
20 05 00 00 FF 00 XX XX
Device
Modbus
address
FC Register start address Write to the value CRC checkcode
DO1 coil guide on.
7.2.6 Write about the multiple DO coil states
Use the 0F function code to write individual commands,For example, set the working mode of the
DO1 to the pulse mode
20 0F 00 00 00 04 01 06 XX XX
Device
Modbus
address
FC
] start
address
Number of
coils
Bytes of
the data
Data for
controlling
the coil
(bit
operation)
CRC
checkcode
After sending the above command to the device via RS232, the device returns the following values
：
20 0F 00 00 OO O4 XX XX
Device
Modbus
address
FC Register start address DO3 coil guide on
CRC
checkcode
DO2,DO3 coil guide on.