Modbus Settings; About This Chapter; Modbus Parameter Settings - 3onedata GW11 Series User Manual

Modbus gateway

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Initial delay

When the Modbus gateway device is powered on, it will take a delay time to actually

start Modbus. This parameter is because the Modbus slave device initialization time is

relatively long, in order to avoid their initialization has not been completed before the

request frame access, so the gateway set the initialization delay time to decide to

initialize the time to issue the first request frame Delay.

TCP Modbus exception

This parameter is used to display Modbus TCP exception in Modbus monitoring

software. The default gateway sends Modbus TCP exception to Modbus monitoring

software.

Response timeout

Modbus is a master-slave protocol, the master access to the slave needs a response

timeout, and this time is the gateway "response timeout." The parameters exist in the

next figure in the ②, ③ between the steps. After the gateway forwards the request

to the slave device, if the response of the slave device is not received within the

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12.1 Modbus parameter settings

12.2 Slave ID Mapping

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(I)GW11XX Modbus User Manual

Modbus Settings

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