ABB AC500 PLC - CAN2 A; CAN2 B Parameters; Buffer Parameters (to be configured for each used Buffer)

CAN2A / CAN2B Parameters
Name Value Internal value Internal value,
type
Default
CAN baudrate 1000 kbit/s 0 DWORD 0
800 kbit/s 1
500 kbit/s 2
250 kbit/s 3
125 kbit/s 4
100 kbit/s 5
50 kbit/s 6
20 kbit/s 7
10 kbit/s 8
Configuration via GSDML (use by non-ABB PROFINET configuration tool)
The parameter CAN Baud rate must be set twice for each CAN2A and CAN2B
interfaces, and they must be set with identical values.
Buffer Parameters (to be configured for each used Buffer)
Name Value Internal
value
Internal value,
type
Default
Identifier 0..2047
(CAN2A)
0..2047
(CAN2A)
WORD
(CAN2A)
0
0..536870911
(CAN2B)
0..536870911
(CAN2B)
DWORD
(CAN2B)
Receive buffer size (size in
numbers of telegrams)
1...32 1...32 BYTE 1
Behaviour on receive buffer
overflow *)
Overwrite 0 BYTE 0
Discard 1
Overwrite and
send diagnos-
tics (PRO-
FINET alarm)
3
Discard and
send diagnos-
tics (PRO-
FINET alarm)
4
*) The following table describes the values in detail.
Setting Description
Overwrite The oldest buffer entry which is stored in the buffer is over-
written with the new incoming telegram.
Discard The new incoming telegram is discarded.
Device Specifications
Communication Interface Modules (S500) > PROFINET
2019/04/173ADR010121, 13, en_US1094