Ebyte E180-DTU User Manual page 37

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Chengdu Ebyte Electronic Technology Co.,Ltd.

As an optimization of multi-host request performance, the storage gateway can only work in TCP server mode, which improves the

response speed of the network side.

Peculiarity:

（1） The gateway has a 5K cache for storing instructions and returning results (reading 10 hold registers for example, can store 189

instructions and returned results)；

（2） The RTU response timeout automatically clears the cache to ensure the real-time and authenticity of the data；

（3） The polling interval can be customized, 0-65535ms；

（4） The gateway polls the RTU device according to the storage time of the configured instruction, and the MODBUS host does not

query the instruction again during the storage time, and the gateway automatically deletes the storage instruction to release the

cache；

（5） The first command and control command (05, 06, 0F, 10 function code) will directly access the RTU device；

（6） Only 01, 02, 03, and 04Modbus function code query result storage is supported；

Storage gateway host computer and web page configuration：

E18-DTU(Z27-ETH) User Manual

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