Storage Gateway - Ebyte NA111-A User Manual

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Chengdu Ebyte Electronic Technology Co.,Ltd.

Modbus gateway at the same time, thus resolving bus conflicts (currently only 6 host connections

are supported), and only support working in TCP server mode.

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

on the timeliness of the data response.

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

many MODBUS hosts can cause a stable variation).

Multi-host mode parameter configuration:

（1） Mode configuration:AT is configured as MOD2,and the web page and the host select the

multi-host mode.

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

4.5.3 Storage gateway

A gateway based on multi-master development that optimizes the speed of read on the network

side, a read instruction issued by the storage network side, and when a stored instruction is read on

the network side, the gateway responds quickly to the MODBUS TCP instruction instead of the

RTU device, and the serial side automatically polls the RTU device register during the instruction

storage time to update the data.

As an upgraded version of the multi-host mode, the storage gateway also works only in TCP

Figure 4- 9 Multi-Host Mode

NA111-A User Manual

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