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CIAS Elettronica S.r.l.
Ed 2.3
Installation manual
Page
51
of
79
IB-SYSTEM-R
Short timeout:
indicates the Server waiting time for interrogation of the devices after
these have not responded on at least three consecutive occasions.
A value for this parameter ensures that the cycle time is not extended
excessively when there is a malfunction on the line or in one of the
field devices.
Pre tx delay:
Server waiting time before interrogating a device. This value must be
very small so as not to lose valuable time but long enough to allow
even slow devices to follow the communications. A value of 4mS is a
good compromise and should not be changed.
Line release time:
input time interval for a control panel or other supervision software. If
this value were set above 2sec it would only result in lost time and
longer cycle times
Line ack timeout:
time available for the control panel to take possession of the serial
line.
Recovery line time:
maximum silence time accepted by the server when waiting for the
control panel. After this period of inactivity the server will
automatically re-take control.
Line error calc thr:
threshold for calculating the error rate: this value indicates the
number of transactions analysed before indicating an error on the
line.
Max line error thr:
indicates the minimum number of transactions that must have
occurred: if the activity does not at least reach the indicated server
threshold it will be suspended for the indicated
Line restart time
so
as to free the traffic on the same line. When using a serial or fibre
optic line this function is not necessary. Disable it by setting the value
to a very low number.
Line restart time:
time to restart the server when it has been stopped by excessive
errors on the line controlling the field devices.
Each of the parameters can assume a value between 1 and 255. Each value is accessible using
the indicated command with the value in round parentheses.
#ct1, #ct2…
Sets the management timeout for the serial lines. Each of the parameters can assume a value
between 1 and 255:
#ct1 value
Unfortunately, it is not possible cancel a command once it has been sent. If an error is made it is
enough to re-enter the # character followed by the new command. When entering the first #
character it will be ignored by the server.
Содержание IB-SYSTEM-R
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