4.1 MECHATROLINK-
II
Communications Settings
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4.1
MECHATROLINK-
II
Communications Settings
The DIP switch (SW2) is used to make the settings for MECHATROLINK-II communications.
The station address is set using the rotary switch (SW1) and the DIP switch (SW2).
4.1.1
Setting the Communications Specifications
Set the communications specifications on the DIP switch (SW2).
SW2 (factory settings)
SW1 (factory setting)
ON
OFF
1
2
3
4
0
F
1
E
2
D
3
8
4
C
B
5
A
6
9
7
SW2
Function
Setting
Description
Factory setting
Pin 1 Sets the baud rate.
OFF
4 Mbps (MECHATROLINK-I)
ON
ON
10 Mbps (MECHATROLINK-II)
Pin 2 Sets the number of trans-
mission bytes.
OFF
17 bytes
ON
ON
32 bytes
Pin 3 Sets the station address.
OFF
Station address = 40H + SW1
OFF
ON
Station address = 50H + SW1
Pin 4 Reserved. (Do not change.)
OFF
−
OFF
• When connecting to a MECHATROLINK-I network, turn OFF pins 1 and 2.
• When using a MECHATROLINK-I network (Baud rate: 4 Mbps), the settings for the num-
ber of transmission bytes is disabled and the number of transmission bytes is always 17.