Bfm #70] Nmt Start All Nodes Delay; Bfm #71] Sdo Time Out - Mitsubishi Electric MELSEC-F FX3U-CAN User Manual

FX -CAN User's Manual
3U
BFM No.
BFM #51 Time stamp year
BFM #52 Time stamp month
BFM #53 Time stamp day
BFM #54 Time stamp hour
BFM #55 Time stamp minute
BFM #56 Time stamp second
BFM #57 Time stamp Day-of-the-week
BFM #58 Time stamp transmission interval
BFM #59 Daily correction
Time stamp setting procedure
To keep the consistency of Time stamp data, clock data should be set by the following procedure.
1) Set Time stamp producer/consumer in BFM #50.
2) Set clock data of Year, Month, Day, Hour and Minute in BFM #51 to #55. (Producer only)
3) Set clock data of Second in BFM #56.
All clock data will be written to the RTC and checked for validity when BFM #56 is written to. If the data is
not valid, the RTC will not be set.
4) Set Time stamp transmission interval in BFM #58.
The first time stamp will be sent after BFM #58 is written to.
Time stamp read procedure
To keep the consistency of Time stamp data, clock data should be read by the following procedure.
1) Read clock data of Year from BFM #51.
All clock data will be read from the RTC and written to BFMs #51 to #57 when BFM #51 is read.
2) Read clock data of Month, Day, Hour, Minute, Second and Day-of-the-week from BFM #52 to #57.
6.20

[BFM #70] NMT Start all Nodes delay

During the NMT master startup, the NMT master sends a NMT Reset communication all Nodes and NMT
Start all Nodes depending on the configuration.
This BFM value sets the minimum time between these two NMT messages, to ensure that a slow NMT Slave
recognizes the NMT Start all Nodes message.
The value can be set in ms (default: 500ms).
The setting range is 0ms to 65535ms.
6.21

[BFM #71] SDO Time out

The Time out for SDO communication set with this BFM.
The value can be set in ms (default: 500ms).
The setting range is 50ms to 32767ms.
Name
K0 to K99 (lower two digits)
K0 to K99 in Time stamp year corresponds to 2000 to 2099 year.
The higher two digits is ignored. If writing K1984, the module will send a Time
stamp with the year 2084.
K1 (January) to K12 (December)
K1 (1st) to K31 (31st)
K0 (0 o'clock) to K23 (23 o'clock)
K0 (00 minutes) to K59 (59 minutes)
K0 (00 seconds) to K59 (59 seconds)
K0 (Sunday) to K6 (Saturday)
This BFM is read only.
The Day of the week will be calculated during setup of the RTC automatically.
Set the transmission time interval for the Time stamp Object in multiples of
minutes. The first time stamp will be sent after setting this BFM.
If the FX
3U
Setting range;
K0:
K1 to K1440:
A constant miscount of the Clock can be corrected in steps of 1 sec / day.
Setting range: -60 to +60
→ For NMT Startup process, refer to Subsection 5.8.4
6.20 [BFM #70] NMT Start all Nodes delay
Description
-CAN is configured as Consumer, this setting will be ignored.
Time stamp transmission disabled
1 minute to 1440 minutes (24 hours)
→ For SDO, refer to Subsection 5.6.4
6 Allocation of Buffer Memories
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