Chengdu Ebyte Electronic Technology Co.,Ltd E851-RTU(4440-ETH) User Manual
Copyright ©2012–2019, Chengdu Ebyte Electronic Technology Co.,Ltd
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4.4.8. Ebyte Cloud Transparent Transmission
The function of Ebyte cloud transparent transmission can be turned on or off. The register for this function is 40169
(0x00AA), which supports 0x0003, 0x0006 and 0x0010 function codes:
When the register value is 0x0000, the cloud transmission function is turned off.
When the register value is 0x0001, the cloud transmission function is turned on.
The default is Cloud Transfer Closed.
4.4.9. Clear cache
Register 0xAF can set whether to clear the cache in the network SOKET, support 0x0003, 0x0006, 0x0010 function code:
When the value of this register is 0x0000, the empty cache function is turned on.
When the value of this register is 0x0001, the empty cache function is turned off.
4.4.10. Keep alive connection
Register 40170 (0x00AB) is a keep-alive connection register, which needs to be used with 40171 (0x00AC), 40172
(0x00AD).
The 40170 (0x00AB) register indicates how many seconds after the TCP connection has no data message transmission to
start the probe message. When the value of this register is 0, it means to disable this function. When it is 2-7200, it means
to turn on the function and take effect the parameters of the next two registers.
The 40171 (0x00AC) register indicates the time interval between the previous probe packet and the next probe packet.
The value is 2~7200 in seconds.
The 40172 (0x00AD) register indicates the maximum number of probe failures. When sniffing the number of times, the
TCP connection will be disconnected. The value is 2~255 in units.