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Name
Number of frames/Data
blocks in transmission
FIFO
Behavior during reception
FIFO overflow
Physical layer
RTS control
TLS (RTS leading cycle)
CDLY (RTS trailing cycle)
Character timeout
Telegram ending selection None
Telegram ending character 0 - 255
Telegram ending value
Checksum
2019/04/17
Communication Interface Modules (S500) > PROFINET
Value
Internal value Internal
1...40
1...40
Discard new
1
received frames
Overwrite oldest
2
frame in FIFO
Discard new
3
received frames
and send PRO-
FINET alarm
Overwrite oldest
4
frame in FIFO and
send PROFINET
alarm
RS232
1
RS485
2
RS422
3
None
0
Telegram
1
RTS/CTS (DTE <-
2
> DTE)
RTS/CTS (DTE ->
3
DCE)
RTS/CTS (DCE <-
4
DTE)
0...850 ms
0...850
0...850 ms
0...850
0/32 bits
0/32
0
String (check
1
reception)
Telegram length
2
Character timeout
4
0 - 255
0 - 65535
0 - 65535
None
0
CRC8
1
CRC16
2
LRC
3
ADD
4
CS31
5
CRC8-FBP
6
XOR
7
CRC16 (Intel)
8
3ADR010121, 13, en_US
Device Specifications
Default
value, type
BYTE
1
BYTE
2
BYTE
1
BYTE
1
WORD
0
WORD
0
WORD
0
BYTE
None
BYTE
0
WORD
0
BYTE
0
1091
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