7.2 MECHATROLINK Communications Settings
7.2.2 MECHATROLINK Detail Definition Dialog Box Details
7
Making Settings for Motion Control with the MPE720
7-9
Communication Cycle
Set the transmission cycle.
Selection: 125 μs, 250 μs, 500 μs, 1 ms, 1.5 ms, 2 ms, or 3 ms
Enabled message communication
Enable or disable message communications.
This check box is linked to the retry count. If the retry count is 0, the retry count automati-
cally changes to 1 when you select this check box.
If a value higher than 1 is set for the retry count, this check box is automatically selected.
Number of retry to slaves
Set the maximum number of retries to execute within one transmission cycle.
Number of Connection
Set the number of connected slave stations.
Message Box
This box displays precautions on the high-speed scan cycle setting.
Transmission
Cycle
Number of Slave
Stations
Setting Range
125 μs 1 to 4 0 to (5 - Number of slave stations)
250 μs 1 to 8 0 to (9 - Number of slave stations)
500 μs 1 to 14 0 to (15 - Number of slave stations)
1 ms 1 to 29 0 to (30 - Number of slave stations)
1.5 ms 1 to 42 0 to (43 - Number of slave stations)
2 ms 1 to 42 0 to (43 - Number of slave stations)
3 ms 1 to 42 0 to (43 - Number of slave stations)
Transmission
Cycle
Number of Connected Stations
Star Connections
Cascade
Connections
125 μs1 to 4 1 to 3
250 μs1 to 8 1 to 7
500 μs 1 to 14 1 to 12
1 ms 1 to 29 1 to 21
1.5 ms 1 to 42 1 to 27
2 ms 1 to 42 1 to 32
3 ms 1 to 42 1 to 38
If the SigmaWin+ is connected to the MP3000, the SigmaWin+ may not be usable if there are too
many SERVOPACK stations connected. If this occurs, either connect the SigmaWin+ to the
SERVOPACK (CN7) directly, or lengthen the transmission cycle.
Transmission
Cycle
Message
125 μs
Set the high-speed scan cycle as an integer that is greater than or equal to 500 μs and is a
multiple of 250 μs.
250 μs
Set the high-speed scan cycle as an integer that is greater than or equal to 500 μs and is a
multiple of 250 μs.
500 μs Set the high-speed scan cycle as an integer that is a multiple of 500 μs.
1 ms Set the high-speed scan cycle as an integer that is a multiple of 1 ms or a factor of 1 integer.
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