Ebyte NE2-S1 Manual page 41

Chengdu Ebyte Electronic Technology Co., Ltd.
As a storage gateway that optimizes multi-host request performance, it can only work in TCP
server mode, improving the response speed on the network side.
Features:
（1） The gateway has a 10 K cache for storing instructions and returned results (reading 10
holding registers as an example, can store 300 instructions and returned results);
（2） RTU response times out or the last reply time exceeds the instruction storage time, the
device automatically clears the cache to ensure the real-time and authenticity of the data;
（3） The polling interval can be customized, 0 -65535 ms;
（4） 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
automatically deletes the storage instruction to release the cache;
（5） The first instruction and control instruction ( 05 , 06 , 0F , 10 function code) will directly
access the RTU device ;
（6） Only supports 0 1 , 0 2 , 0 3 , 0 4M od bus function code query result storage;
Storage gateway configuration tool configuration:
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NE2-S1/NE2-S1-TB User Manual
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