7 CANopen
®
405 Mode
7.1 Data Transfer Location for CANopen
®
405 Mode
124
FX
3U
-CAN User's Manual
7. CANopen
®
405 Mode
7.1
Data Transfer Location for CANopen
®
405 Mode
This section explains data transfer locations for CANopen
®
405 mode. BFM #10000 to #10319 and #11000 to
#11319 are used as data transfer locations.
Note
• The data will be exchanged only when the module is in OPERATIONAL State.
• To ensure that the FX
3U
-CAN module can handle the CANopen
®
data in a consistent way, it is necessary
to use the data exchange by BFM #20 bit 0 or 8 to ON before reading PDO data (FROM) and after writing
PDO data (TO) to the module.
The data exchange control signal ensures, by internal buffer exchange, that TO data from the PLC will be
transmitted with its corresponding PDO at the same time.
7.1.1
Direct TO BFM Access to the CANopen
®
405 Object
Use the TO instruction to write data to the following locations. The default TPDO mapping is assigned to
unsigned 16 bit objects (Index HA100).
To change this setting, use the SDO command in the CIF or a CANopen
®
configuration software.
→
For SDO command in the CIF, refer to Section 10.2
→
For the CANopen
®
configuration software, refer to the manual of the software to be used
Note
The data which are written to the BFM will only be copied into the Object Dictionary when they are mapped
into a PDO. Example: BFM #11000 is assigned to the Object Dictionary Indexes/Sub-indexes HA240/H01,
HA200/H01, HA1C0/H01, HA100/H01, HA0C0/H01, HA040/H01, H02 and HA000/H01, H02. If none of these
Indexes are mapped into a TPDO, the data will not be copied from the BFM into any of the assigned Object
Dictionary Indexes/Sub-indexes.
Index
HA240
float
32 bit
object
Index
HA200
unsigned
32 bit
object
Index
HA1C0
signed
32 bit
object
Index
HA100
unsigned
16 bit
object
Index
HA0C0
signed
16 bit
object
Index
HA040
unsigned
8 bit
object
Index
HA000
signed
8 bit
object
Assigned BFM
sub-
index
(hex)
sub-
index
(hex)
sub-
index
(hex)
sub-
index
(hex)
sub-
index
(hex)
sub-
index
(hex)
sub-
index
(hex)
01
01
01
01
01
01
01
BFM #0 and #11000, lower 8 bit
02
02
BFM #0 and #11000, higher 8 bit
02
02
03
03
BFM #1 and #11001, lower 8 bit
04
04
BFM #1 and #11001, higher 8 bit
02
02
02
03
03
05
05
BFM #2 and #11002, lower 8 bit
06
06
BFM #2 and #11002, higher 8 bit
04
04
07
07
BFM #3 and #11003, lower 8 bit
08
08
BFM #3 and #11003, higher 8 bit
03
03
03
05
05
09
09
BFM #4 and #11004, lower 8 bit
0A
0A
BFM #4 and #11004, higher 8 bit
06
06
0B
0B
BFM #5 and #11005, lower 8 bit
0C
0C
BFM #5 and #11005, higher 8 bit
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Содержание FX3U-CAN
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