ABB AC500 PLC Hardware Manual page 1075

All values are validated during the parameterization of the CI504-PNIO according to the
appended expansion modules. In the case of error, a diagnostic message "parameter errors" is
generated and the cyclic process data transfer is terminated.
Parameters of the 3 Serial Channels
Name
Behavior for serial channel
communication during PRO-
FINET communication fault
Number of frames/data blocks
in reception FIFO
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
2019/04/17
Communication Interface Modules (S500) > PROFINET
Value Internal
value
Stop communi- 0
cation and
reset FIFO
Continue serial 1
communication
1...40 1...40
1...40 1...40
Discard new 1
received
frames
Overwrite 2
oldest frame in
FIFO
Discard new 3
received
frames and
send PRO-
FINET alarm
Overwrite 4
oldest frame in
FIFO and send
PROFINET
alarm
RS232 1
RS485 2
RS422 3
None 0
Telegram 1
RTS/CTS 2
(DTE <-> DTE)
RTS/CTS 3
(DTE -> DCE)
RTS/CTS 4
(DCE <- DTE)
0...850 ms 0...850
0...850 ms 0...850
0/32 bits 0/32
None 0
String (check 1
reception)
3ADR010121, 13, en_US
Device Specifications
Internal Default
value, type
BYTE 0
BYTE 1
BYTE 1
BYTE 2
BYTE 1
BYTE 1
WORD 0
WORD 0
WORD 0
BYTE None
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