Communication Function; Command And Data No. List; Reading Command Comparison Between Mr-J3-_T_ And Mr-J4-_A_-Rj - Mitsubishi Electric MELSERVO-J4 Series Transition Handbook

Part 6: Review on Replacement of MR-J3-_T_(DIO command/ Serial communication operation) with MR-J4-_A_-RJ

4. COMMUNICATION FUNCTION

You can operate servo driving, parameter change, monitor function, etc. using RS-422 communicatio with
the servo amplifier.

4.1 Command and data No. list

4.1.1 Reading command comparison between MR-J3-_T_ and MR-J4-_A_-RJ ([Pr. PT01]: "1_ _ _")
The functions added to the MR-J4-_A_-RJ series are not listed. Refer to the "MR-J4-_A_-RJ Servo Amplifier
Instruction Manual (Positioning mode)" for details.
(1) Status display (Command [0] [1])
Command Data No.
[0] [1] [0] [0] Status display symbol and unit
[0] [1]
[0] [2]
[0] [3]
[0] [4]
[0] [5]
[0] [6]
[0] [7]
[0] [8]
[0] [9]
[0] [A]
[0] [B]
[0] [C]
[0] [D]
[0] [E]
[0] [F]
[1] [0]
[1] [1]
[8] [0] Status display data value and
processing information
[8] [1]
[8] [2]
[8] [3]
[8] [4]
[8] [5]
[8] [6]
[8] [7]
[8] [8]
[8] [9]
[8] [A]
[8] [B]
POINT
Even if a command or data No. is the same between different model servo
amplifiers, its description may differ.
POINT
When [Pr. PT01] is set to "1_ _ _", MR Configurator2 is not available using USB
communication.
Description
Current position
Command position
Command remaining distance
Point table No.
Cumulative feedback pulses
Servo motor speed
Droop pulses
Analog override voltage
Override level
Analog torque limit voltage
Regenerative load ratio
Effective load ratio
Peak load ratio
Instantaneous torque
Position within onerevolution
ABS counter
Load to motor inertia ratio
Bus voltage
Current position
Command position
Command remaining distance
Point table No.
Cumulative feedback pulses
Servo motor speed
Droop pulses
Analog override voltage
Override level
Analog torque limit voltage
Regenerative load ratio
Effective load ratio
MR-J3-_T_
Frame
Status display
length
16
12
6 - 89
MR-J4-_A_-RJ
[Pr. PT01]: "1_ _ _"
Status display
Current position
Command position
Command remaining distance
Point table No.
Cumulative feedback pulses
Servo motor speed
Droop pulses
Analog override voltage
Override level
Analog torque limit voltage
Regenerative load ratio
Effective load ratio
Peak load ratio
Instantaneous torque
Position within onerevolution
ABS counter
Load to motor inertia ratio
Bus voltage
Current position
Command position
Command remaining distance
Point table No.
Cumulative feedback pulses
Servo motor speed
Droop pulses
Analog override voltage
Override level
Analog torque limit voltage
Regenerative load ratio
Effective load ratio
Frame
length
16
12