Chengdu Ebyte Electronic Technology Co.,Ltd E851-RTU(4440-ETH) User Manual
Copyright ©2012–2019, Chengdu Ebyte Electronic Technology Co.,Ltd
Modbus RTU Write Register:
00 00 00 0A 00 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
Modbus TCP Write Register:
00 00 00 0A 00 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
4.4.4. Heartbeat packet time
The heartbeat packet time setting range is 0-65535 seconds. When the heartbeat packet time is set to 0, the heartbeat
packet is closed. Set the heartbeat packet length to 5s as follows.
Modbus RTU protocol write heartbeat packet time register: