Mitsubishi Electric Melservo-J3 Series MR-J3-B, Instruction Manual

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15. COMMUNICATION FUNCTION
15.2 Communication specifications
15.2.1 Communication overview
This servo amplifier is designed to send a reply on receipt of an instruction. The device which gives this
instruction (e.g. personal computer) is called a master station and the device which sends a reply in response
to the instruction (servo amplifier) is called a slave station. When fetching data successively, the master station
repeatedly commands the slave station to send data.
Item Description
Baud rate 9600/19200/38400/57600/115200 asynchronous system
Transfer code
Start bit : 1 bit
Data bit : 8 bits
Parity bit : 1 bit (even)
Stop bit : 1 bit
Transfer protocol Character system, half-duplex communication system
1 frame (11bits)
Data
0 1 2 3 4 5 6 7
(LSB) (MSB)
Start
Parity Stop
Next
start