X20 system modules • X20 electronics module communication • X20CS2770
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X20 system User's Manual 3.10
4.18.8.7.7 Interface - Configuration
4.18.8.7.7.1 Transfer rate
Name:
Config01Baudrate
Config02Baudrate
"Baud rate" in the AS I/O configuration.
Configuration of the CAN transfer rate for the respective interface.
Data type
Value
USINT
See bit structure.
Bit structure:
Bit
Description
Value
Information
1
10 kbit/s
2
20 kbit/s
3
50 kbit/s
4
100 kbit/s
5
125 kbit/s
6
250 kbit/s
7
500 kbit/s (default)
8
800 kbit/s
0 - 3
Transfer rate
9
1000 kbit/s
4 - 7
Reserved
-
4.18.8.7.7.2 Synchronization Jump Width
Name:
Config01SJW
Config02SJW
"Synchronization jump width" in the AS I/O configuration.
The synchronization jump width (SJW) is used to resynchronize the sample point within a CAN telegram.
A detailed description of the SJW can be found in the CAN specification.
Data type
Value
Meaning
USINT
0 to 4
Synchronization jump width (default = 3)
4.18.8.7.7.3 Offset for the sampling instant
Name:
Config01SPO
Config02SPO
"Sample point offset" in the AS I/O configuration.
Offset for the sample point of the individual bits on the CAN bus.
A detailed description of the SPO can be found in the CAN specification.
Data type
Value
Meaning
USINT
0 to 1
Sample point offset (default = 0)
4.18.8.7.7.4 Start of transmission
Name:
Config01TXtrigger
Config02TXtrigger
"TX objects / TX triggers" in the AS I/O configuration.
Defines the number of CAN objects that must be copied to the transmit buffer before the transmission is started.
Data type
Value
Meaning
UINT
0 to 8
Number of CAN objects in the transmit buffer before transmission is started (default = 1)
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