EtherCAT Mode ASDA-B3
12-22
12
12.2.4.3 PDO mapping object
Real-time data transmission can be achieved with Process data objects (PDOs). There are two
types of PDOs: the sent TxPDO and the received RxPDO. This definition is from the perspective
of the servo drive, for example, the sent TxPDO refers to the object that the servo drive sends to
the controller. Set the mapping parameters as shown in the following table to use the PDOs.
Communication
object
Mapping object
parameter
Communication
object
Mapping object
parameter
RxPDO1
1600h
TxPDO1
1A00h
RxPDO2
1601h
TxPDO2
1A01h
RxPDO3
1602h
TxPDO3
1A02h
RxPDO4
1603h
TxPDO4
1A03h
The format of PDO mapping parameter is:
31
30
29
28
27
26
25
24
Bit
15
14
13
12
11
10
9
8
Bit
7
6
5
4
3
2
1
0
23
22
21
20
19
18
17
16
Bit
Function
Bit 0 - Bit 7
Object data length
Bit 8 - Bit 15
Object sub-index
Bit 16 - Bit 31
Object index
Содержание ASDA-B3 Series
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