Siemens 7XV5655-0BB00 Manual page 55

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S33 Data Bits
Range 7 ... 8
Default
8
In the S33 register, you can set the number of data bits.
7=7 Bits 8=8 Bits
Format 7N1 (7 data bit and no parity) is invalid
S34 Stop Bits
Range 1 ... 2
Default
1
In register S34, you can set the number of stop bits. One or two bits in asynchronous
transmission, indicating the end of a data word (packet).
1=1 stop bit 2=2 stop bits
S35 RxD Timeout (Total Read Timeout)
Range 5 ... 255 ms
Default
100 ms
In register S35, you can set the total read timeout.
After the first byte has been received, "Total Read Time" starts. After it has expired, all
characters received so far are sent to the PC. This value must not be lower than the delay
of the UDP packet in the Ethernet. You can use the "ping" tool in DOS to determine the
throughput time.
No transmission.
Gap is too small.
Transmission because
"Total Timeout" has
Transmission because
the gap between the
characters is larger
than "Char Timeout"
Transmission because
the gap between the
characters is larger
than "Char Timeout"
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Total read timeout
Character timeout
expired
Total read timeout
Transmission Transmission
Transmission
to PC to PC
7XV5655-0BB00
to PC
C53000-G1176-C175-2