Chengdu Ebyte Electronic Technology Co., Ltd. NB114 User Manual
Copyright ©2012–2023，Chengdu Ebyte Electronic Technology Co., Ltd.
As the optimization of multi-host request performance, the storage gateway can only
work in the TCP server mode, which improves the response speed on the network side.
characteristic:
（1） The gateway has a 5K cache for storing instructions and returned results (taking
reading 10 holding registers as an example, 189 instructions and returned results
can be stored);
（2） RTU response timeout automatically clears the cache to ensure the real-time
and authenticity of data;
（
3
）
The polling interval can be customized, 0-65535ms;
（4） The gateway will poll the RTU device according to the instruction storage time
used for configuration. If the MODBUS host does not query the instruction again
during the storage time, the gateway will automatically delete the storage instruction
and release the cache;
（5） The first command and control command (05, 06, 0F, 10 function code) will
directly access RTU equipment;
（6） Only 01, 02, 03 and 04 Modbus function code query results can be stored;
Storage gateway host computer and web page configuration:
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