Mitsubishi Electric MELSEC-F FX3U-CAN User Manual page 67

FX -CAN User's Manual
3U
Example 2: Inhibit time > 0, Event time = 0
The BFM data will be copied into the Object dictionary and a PDO will be sent every time when the data are
changed and the inhibit time is not running. If the inhibit time is active and the data are changed before the
inhibit time elapsed, the former data will not be sent as PDO.
• Before FX -CAN firmware version 1.10
3U
If the data are not changed, no PDO will be sent if a data exchange is triggered by BFM #20.
• FX -CAN firmware version 1.10 or later
3U
If a data exchange is triggered by BFM #20 and at the last data exchange the inhibit time was active, a
PDO will be sent, otherwise no PDO will be sent as long as the data did not change.
BFM data
BFM #20 bit0
OD data
TPDO1
Inhibit time
F/W < Ver. 1.10
TPDO1
Inhibit time
F/W >= Ver. 1.10
TPDO1
Event timer
CAN Bus
TPDO1
F/W < Ver. 1.10
CAN Bus
TPDO1
F/W >= Ver. 1.10
Example 3: Inhibit time = 0, Event time > 0
The BFM data will be copied into the Object dictionary and a PDO will be sent every time when the data are
changed. Even if no data exchange with new data is triggered by BFM #20, a PDO with the actual object
dictionary data will be sent when the event timer elapsed.
BFM data
BFM #20 bit0
OD data H0000
TPDO1
Inhibit time
TPDO1
Event timer
CAN Bus
TPDO1
H0001 H5374
H0000 H0001
H0001
H0001
H0001
H0001
H0001 H0001
H2102
H5374
H2102
H2102
H2102
H2102
H2102
H2102 H2102
5 Introduction of Functions
5.6 Communication Profile Area
H3528
H3528
H3528
H3528
H3528
H3528 H3528
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