
L-force Controls | I/O System 1000
Networking via CAN system bus
Port assignment
66 L 2.0 EN - 11/2010
7.1.1 PDO mapping
A maximum of 64 electronic modules can be connected to a CAN bus coupler module.
10 RPDOs and 10 TPDOs are available for transferring the process data of the electronic
modules.
The principle of the PDO mapping can be made clear using the following station structure
as an example:
According to the configured I/O system 1000 in the illustration, the following PDO
mapping arises:
Process image Byte 0 Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7
PDO1 Permanent for the
first
DI or DO
RPDO1M13M14------
TPDO1M1M2M3M4M5M6M7M8M9
PDO2 Permanent for the
first
AI or AO
RPDO2--------
TPDO2 M11 M11 M11 M11 M12 M12 M12 M12
PDO3 DI/DO, DI/DO
TimeStamp, DO
PWM, AI/AO,
counter, SSI
RPDO3 M15 M15 M15 M15 M15 M15 M15 M15
TPDO3M12M12M12M12----
PDO4 DI/DO, DI/DO
TimeStamp, DO
PWM, AI/AO,
counter, SSI
RPDO4M15M15------
TPDO4M10-------
PDO5 DI/DO, DI/DO
TimeStamp, DO
PWM, AI/AO,
counter, SSI
RPDO5--------
TPDO5 M15 M15 M15 M15 M15 M15 M15 M15
PDO6 DI/DO, DI/DO
TimeStamp, DO
PWM, AI/AO,
counter, SSI
RPDO6--------
TPDO6M15M15M15M15----
... ... ...
PDO10 DI/DO, DI/DO
TimeStamp, DO
PWM, AI/AO,
counter, SSI
RPDO10--------
TPDO10--------
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