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13. COMMUNICATION FUNCTIONS
13. COMMUNICATION FUNCTIONS
MELSERVO-J2M has the RS-422 and RS-232C serial communication functions. These functions can be
used to perform servo operation, parameter changing, monitor function, etc.
However, the RS-422 and RS-232C communication functions cannot be used together. Select between RS-
422 and RS-232C with IFU parameter No.0. (Refer to Section 13.2.2.)
13.1 Configuration
13.1.1 RS-422 configuration
(1) Outline (Example)
The interface unit and drive units of stations 0 to 31 can be run/operated on the same bus.
Similarly, any servo amplifiers that enable station number setting can be connected on the same bus.
It should be noted that the commands/data should be handled without mistakes since they are specific
to each servo amplifier.
CHARGE
RS-422
RS-422
RS-422
MELSERVO-J2S-A
MITSUBISHI
Controller such as
personal computer
RS-232C/
RS-422
converter
Unavailable as option.
To be prepared by customer.
Station
0
Station
1
Station
2
Station
3
Station
4
Station
5
Station
6
Station
7
Station
8
Station
11
Station
12
Station
13
Station
14
Station
15
Station
16
Station
10
MELSERVO-J2M
(General-purpose interface type)
MELSERVO-J2M
(General-purpose interface type)
Station
9
To CN3
To CN3
To CN3