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parameter time, it is a timeout response, and the abnormal response is sent back to
the master device.
Inter-Character timeout
The character interval timeout is the time interval between a single character and the
next character in a frame RTU message. When the value is 0, the default is 3.5T time,
equal to 3.5 characters time. In some customer site, the serial device does not have
FIFO cache, one by one to send and receive, take a long time, did not meet the
Modbus protocol on the standard time. But the character interval allows customers to
customize the time, compatible with poor time requirements for older devices.
Inter-Frame delay
That is, the current RTU response and the next RTU request between the time
intervals, the default is 0ms. This function is to prevent the slave device from not being
able to quickly process the RTU request and set the time interval for the RTU slave
device to have sufficient time to process the request.
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Copyright © Shenzhen 3onedata Technology Co., Ltd.
(I)GW11XX Modbus User Manual
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