15 Operating Parameters
15.6 Administrative
361SICAM Q100, 7KG95xx, Device Manual
E50417-H1040-C522-A4, Edition 03.2018
Additional inter-character timeout 1 ms 0 ms to 100 ms
The Modbus specification requires that
the individual characters of a serial
Modbus RTU telegram have to be
transmitted successively with a maxi-
mum character gap of 1.5 character
times (or max. 750 µs for Baud rates
>19 200 bit/s). Longer silent intervals
between the characters are interpreted
as telegram end.
A longer gap between the characters
can be tolerated with this parameter.
Note that this also causes longer cycle
times then.
If at least one SICAM P50 device is
connected to the bus, at least the fol-
lowing values have to be set for Addi-
tional inter-character timeout:
1200 bit/s, 2400 bit/s: 0
4800 bit/s, 9600 bit/s: 2
19 200 bit/s: 3
38 400 bit/s: 4
57 600 bit/s, 115 200 bit/s: 6
Maximum 0x/1x register gap 40 0 to 200
Maximum number of not-mapped reg-
isters which are being requested
between mapped registers in one
request telegram.
Maximum 3x/4x register gap 10
Parameter Default Setting Setting Range
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