CANopen communication
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TR-Electronic GmbH 2007, All Rights Reserved
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05/16/2007
4.2.4.4.20 Objects 0x1800-0x1805: Communication, Transmit PDOs
The communication parameters for the Transmit PDOs (
TPDO
s) define which PDOs are used, which
COB-IDs are used for this purpose, and when process data is sent. The parameter structure is
identical for all six parameters.
•
Object 0x1800: Communication parameter for TPDO1
•
Object 0x1801: Communication parameter for TPDO2
•
Object 0x1802: Communication parameter for TPDO3
•
Object 0x1803: Communication parameter for TPDO4
•
Object 0x1804: Communication parameter for TPDO5
•
Object 0x1805: Communication parameter for TPDO6
Object code
RECORD
Description
Each of these parameters configures a TPDO
Subindex 0: Number of entries
Data
type
UNSIGNED8
Attribute
ro
Default
5
Min
-
Max
-
PDO
mapping
-
Description
Contains the largest array subindex
Subindex 1: COB-ID
Data
type
UNSIGNED32
Attribute
rw
Default
Object 0x1800: Node ID + 0x180
Object 0x1801: Node ID + 0x280
Object 0x1802: Node ID + 0x380
Object 0x1803: Node ID + 0x480
Object 0x1804: Node ID + 0x8000 0500
Object 0x1805: Node ID + 0x8000 0400
Min
-
Max
-
PDO
mapping
-
Description
Defines whether the relevant TPDO is used and defines its
COB-ID.
Bit Meaning
31
0 : PDO is valid
1 : PDO is not used
30
0 : Reacts to RTR
1: No reaction to RTR
29
0: 11-bit identifier (CAN 2.0A)
1: 29-bit identifier (CAN 2.0B)
28-0 COB-ID