Storage Gateway - Ebyte NA111 User Manual

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Chengdu Ebyte Electronic Technology Co.,Ltd.

resolving bus conflicts (currently only 6 host connections are supported), only support working in

TCP server mode.

Because of the bus conflict detection mechanism, every additional Modbus master has an

impact on the real-time nature of the data response.

For example, multiple computers turn on the configuration king to collect data (up to six, too

many MODEBUS hosts will cause stable variation).

Multi-host mode parameter configuration:

（1） Mode configuration: AT is configured as MOD2, web page, computer selection multi-

host mode.

（2） Modbus answer timeout configuration: range: 0-65535ms, default: 500ms.

4.5.3 Storage gateway

Based on the multi-host development of the optimization of network side reading speed of the

gateway, storage network side issued reading instructions, when the network side read stored

instructions, the gateway will replace the RTU device to quickly reply to THEMBUS TCP

instructions, serial side automatically in the instruction storage time polling RTU device registers,

update data.

Storage gateway as an upgraded version of multi-host mode, but also can only work in TCP

Figure 4- 9 Multi-Host Mode

NA111 User Manual

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