CL-NET network, COM-LINK
serial connection
326
1SVC 440 795 M1100
Pause time, changing the write repetition rate
manually
Every CL-NET network connection automatically determines
the number of stations which are active on the network, the
baud rate which is used and the total number of bytes which
are transmitted. The minimum pause time which a device
requires is automatically determined using this data in order
to ensure that all devices can send their messages. If a pause
time is to be increased, the value of the BUSDELAY must be
set greater than zero.
Value 1 doubles the pause time, value 15 will increase it by
a factor of 16.
t
pnew
= t
p
x (1 + n)
t
pnew
= New pause time
t
p
= Pause time determined by the network
n = Value at BUSDELAY
h
An increase in the pause time means that fewer messages
(inputs, outputs, bit data, word data) are transferred per
time unit.
The reaction speed of the entire controller depends on the
baud rate, the pause time and the quantity of transferred
data.
The smaller the amount of data transferred, the faster the
reaction times of the system.
h
An increase in the pause time is only useful during
commissioning. To ensure that the data for the power flow
display is updated faster in the PC, a longer range for this
data is created on the network within this pause time.
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