ABB AC500 PLC - Parameters of the 3 Serial Channels

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 Value Internal
value
Internal
value, type
Default
Behavior for serial channel
communication during PRO-
FINET communication fault
Stop communi-
cation and
reset FIFO
0 BYTE 0
Continue serial
communication
1
Number of frames/data blocks
in reception FIFO
1...40 1...40 BYTE 1
Number of frames/Data blocks
in transmission FIFO
1...40 1...40 BYTE 1
Behavior during reception
FIFO overflow
Discard new
received
frames
1 BYTE 2
Overwrite
oldest frame in
FIFO
2
Discard new
received
frames and
send PRO-
FINET alarm
3
Overwrite
oldest frame in
FIFO and send
PROFINET
alarm
4
Physical layer RS232 1 BYTE 1
RS485 2
RS422 3
RTS control None 0 BYTE 1
Telegram 1
RTS/CTS
(DTE <-> DTE)
2
RTS/CTS
(DTE -> DCE)
3
RTS/CTS
(DCE <- DTE)
4
TLS (RTS leading cycle) 0...850 ms 0...850 WORD 0
CDLY (RTS trailing cycle) 0...850 ms 0...850 WORD 0
Character timeout 0/32 bits 0/32 WORD 0
Telegram ending selection None 0 BYTE None
String (check
reception)
1
Device Specifications
Communication Interface Modules (S500) > PROFINET
2019/04/17 3ADR010121, 13, en_US 1075