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14. COMMUNICATION FUNCTION
14. COMMUNICATION FUNCTION
Using the serial communication function of RS-422, this servo amplifier enables servo operation, parameter
change, monitor function, etc.
14.1 Configuration
POINT
A personal computer cannot be connected to the CN30 connector of MR-J3-
D01.
(1) Single axis
Operate the single-axis servo amplifier. It is recommended to use the following cable.
Personal computer
To RS-232C
connector
10m or less
MR-J3- T MR-J3-D01
CN3
(Note)
RS-422/232C
Conversion cable
DSV-CABV (Diatrend)
Note. Do not connect to the CN30 connector of MR-J3-D01. It cannot be used if connected.
(2) Multidrop connection
(a) Diagrammatic sketch
Up to 32 axes of servo amplifiers from stations 0 to 31 can be operated on the same bus.
MR-J3- T MR-J3-D01
CN3
MR-J3- T MR-J3-D01
CN3
MR-J3- T MR-J3-D01
CN3
(Note 2)
(Note 1)
(Note 1)
(Note 1)
(Note 3)
(Note 3)
(Note 3)
To RS-232C
connector
Personal computer
RS-422/232C
conversion cable
DSV-CABV
(Diatrend)
Note 1. The BMJ-8 (Hakko Electric Machine Works) is recommended as the branch connector.
2. The final axis must be terminated between RDP (pin No. 3) and RDN (pin No.6) on the receiving side (servo
amplifier) with a 150
resistor.
3. Do not connect to the CN30 connector of MR-J3-D01. It cannot be used if connected.