Yaskawa Σ-V Series AC Servo Drives Rotational Motor MECHATROLINK-III - Manual (Page 68)

4.1 MECHATROLINK- III Communications Settings
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4.1
MECHATROLINK- III Communications Settings
This section describes the switch settings necessary for MECHATROLINK-III communications.
4.1.1 Setting Switches S1 and S2
The S2 DIP switch is used to make the settings for MECHATROLINK-III communications.
The S1 DIP switch is used to make the settings for the station address.
(1) Settings of the S2 DIP Switch
The following table shows the settings of the S2 DIP switch.
OFF
ON
S1 (factory settings)
1 2 3 4 5 6 7 8
OFF
ON
S2 (factory settings)
1 2 3 4
M-III
S2 Function
Setting
Factory
setting
1 2
Number of transmission
bytes
Pins 1 and 2
Sets the number of
transmission bytes.
OFF OFF 16 bytes
1: OFF
2: ON
ON OFF 32 bytes
OFF ON 48 bytes
ON ON
Reserved.
(Do not use this setting.)
Pin 3 Reserved. (Do not change.) OFF
Pin 4 Reserved. (Do not change.) OFF
• When using the MECHATROLINK-III standard servo profile, set the number of transmission bytes to
either 32 or 48.
• When using the MECHATROLINK-II-compatible profile, set the number of transmission bytes to either
16 or 32.
• To enable the change in the setting, restart the SERVOPACK.