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Parameterization | 8
User Manual – JXM-IO-E30
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8.6 Mapping of Process Data Objects (PDOs)
The following parameters let you set the transmit PDOs (TPDO 1 ... 4) and receive PDOs
(RPDO 1 ... 4).
INFO
Further information
For more information on this subject refer to the application-oriented man-
ual
CANopen STX API
available for download from our
Validity of a PDO
The MSB (most significant bit) of the COB ID lets you determine the validity of a PDO. To map a
PDO, first set the PDO to invalid (bit 31 = 1) and then to valid (bit 31 = 0).
Bit
Value
Description
31 (MSB)
0
PDO exists/is valid
1
PDO does not exist/is invalid
30
0
RTR (Remote Transmission Request) permitted for this PDO
1
No RTR allowed for this PDO
29
0
11-bit ID (CAN 2.0A)
1
29-bit ID (CAN 2.0B)
28 … 11
0
If bit 29 = 0
X
If bit 29 = 1: Bits 28 ... 11 of the 29-bit COB ID
10 … 0 (LSB)
X
Bits 10 ... 0 of the COB ID
Tab. 43:
Validity of a PDO
8.6.1 RPDO communication parameters
Index
Sub-
index
Description
Type
Types of
access
Unit
Default value
0x1400
…
0x1403
0
Number of sup-
ported entries
U8
R
0
1
COB ID (user-
configurable
value for PDOs)
U32
R/W
RPDO 1:
Index 0x1400
0x200
+ Node-ID
RPDO 2:
Index 0x1401
0x300
+ Node-ID
RPDO 3:
Index 0x1402
0x400
+ Node-ID
RPDO 4:
Index 0x1403
0x500
+ Node-ID
2
Transmission
Type
U8
R
Acyclic type = 0
3
Inhibit Time
U16
R/W
0.1 ms 100 (10 ms)
5
Event Time
U16
R/W
1 ms
500 (500 ms)
Tab. 44:
RPDO communication parameters
INFO
Write access to communication parameters
Write access to communication parameters is only possible if the
JXM-IO-E30 is in the
Pre-Operational
state.