3 Wiring
3.5.2 MECHATROLINK-II Communications Connectors (CN6A, CN6B)
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3.5.2 MECHATROLINK-II Communications Connectors (CN6A, CN6B)
The terminal layout and specifications of the CN6A and CN6B connectors are shown below.
CN6A and CN6B Connectors Terminal Layout
Note: The connector shell is connected to the FG (frame ground).
CN6A and CN6B Specifications
3.5.3 Precautions for Wiring MECHATROLINK-II Cables
Observe the following precautions when wiring MECHATROLINK-II cables.
Number of Connectable Stations
The number of connectable stations is determined by the settings for the transmission cycle
and number of transmission bytes. When the communications retry channel is 1, the number
of connectable stations is as follows for the combinations of transmission cycle and trans-
mission bytes.
* When the transmission cycle is 0.5 ms, set the communications cycle in
multiples of 1.0 ms.
Note: 1. When the number of stations actually connected is less than the
number of connectable stations, the remaining channels, up to 7,
can be used as communications retry channels.
(Number of communications retry channels = Number of
connnectable stations - Number of actual stations connected+1)
2. When not using communications retry, the number of connnectable
stations is the number in Table 3.1 increased by one.
3. Connect a repeater for more than 16 stations.
1234
-/SSSH
Not connected Serial data I/O Not connected
Specifications for
SERVOPACK Connectors
Applicable Plug (or Socket)
Connector (on Cable) Manufacturer
DUSB-ARA41-T11 DUSB-APA41-B1-C50 DDK Ltd.
Table 3.1 Number of Connectable Stations Determined by
Transmission Cycle and Transmission Bytes
Transmission
Bytes
Transmission Cycle
0.5 ms
∗
1.0 ms 2.0 ms 3.0 ms 4.0 ms
17
6 14303030
30
3 8 20 30 30
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