F-DPU100 Distributed Processing Unit User Manual
Xiamen Four-Faith Communication Technology Co.,Ltd.
Page 64 of 86
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Usr2call cycle:
Teleconnection and telemetry are usually circulatory.
Electricity Call cycle:
Get data tiring regularly.
Link Test cycle:When the link does not interact with the data, it is necessary to send the link test
message regularly to see if the detection link is disconnected.
T1:
control message confirms the timeout and sends the test frame.
T2:
The monitoring message responds to the timeout, sending the S confirmation frame.
T3:
Long time idle timeout, send test frames.
Retransmission timeout:
T
he timeout time of the message is repeated.
Retransmission times:
The number of times the message is re sent.
Device management:
add configuration of terminal equipment, can be configured as well as
queries, these parameters include the number of devices, the device address, type of equipment, a
number of remote communication, remote control number, to measure the number of pulses,
telesignalling telemetry flag, flag, flag pulse.
Collection of content:
create data points and relate to the device.
Baudrate:
Baud rate indicates the number of bytes per second transported
by device, commonly used baud rate is115200, 57600, 38400, 19200.
Databit:
the data bits can be 4, 5, 6, 7, 8, constitute a character. The ASCII code is usually
used. Starting from the most significant bit is transmitted,.
Stopbit:
it marks the end of a character data. It is a high level of 1, 1.5, 2.
Parity:
use a set of data to check the data error .
Flow control:
including the hardware part and software part in two ways.
