Specifications

21
SERVO AMPLIFIERS
3
Servo amplifier model MR-J3-T
Command interface CC-Link communication (Ver.1.10), DIO command (extension IO unit MR-J3-D01 is required), or RS-422 communication
Command
control
Remote register
Possible with CC-Link communication when 2 stations are occupied.
Position command input: position command data is set with the remote register;
Feed length input setting range at 1 point: ±1 [µm] to ±999.999 [mm];
Speed command input: speed command data (rotating speed) is set with the remote register.
Point table no. input
Possible with CC-Link communication, DIO command or RS-422 communication.
CC-Link communication (when 1 station occupied): 31 points;
CC-Link communication (when 2 stations occupied): 255 points;
DIO command: 255 points (extension IO unit MR-J3-D01 is required.); RS-422 communication: 255 points;
Position command input: selects from the point table;
Feed length input setting range at 1 point: ±1 [µm] to ±999.999 [mm];
Speed command input: selects speed and acceleration/deceleration time constant from the point table.
Station position
command input
Possible with CC-Link communication, DIO command or RS-422 communication.
CC-Link communication (when 1 station occupied): 31 stations;
CC-Link communication (when 2 stations occupied): 255 stations;
DIO command: 255 stations (extension IO unit MR-J3-D01 is required.);
RS-422 communication: 255 stations
Speed command input with
remote register
Possible with CC-Link communication when 2 stations occupied.
Sets speed command data (rotating speed) with the remote register.
Speed command input with
speed no. input
Selects speed and acceleration/deceleration time constant from the point table.
Automatic
operation
mode
Point table
Point table no. input or point table data input system. Each positioning operation based on position and speed data.
Speed changing operation (2 to 255 speeds). Automatic continuous positioning operation (2 to 255 points).
Roll feed display is selectable. Clearing droop pulses with the clear (CR) signal is settable.
Rotating direction specified
Positions to the specified station. Rotating direction is settable.
Shortest rotating direction
Positions to the specified station. Shorter rotating direction from the current point is selected.
Manual
operation
mode
JOG operation
Inches upon contact input, CC-Link communication or RS-422 communication based on speed data set by a parameter
Index JOG operation
Rotatesinadirectionspecifiedbyrotatingdirectionevaluationwhenthestartsignal(ST1)turnsON.
Positions to a nearest station where deceleration to a stop is possible when the start signal (ST1) turns OFF.
Manual pulse generator Manual feed with the manual pulse generator. Command pulse multiplication: 1, 10, 100 is selectable with parameter
Manual
home
position
return
mode
DOG type
Home position return is made starting with Z-phase pulse after passage of proximity dog. Home position address may be set.
Direction for return to home position selectable. Home position shift amount and home position address settable.
Automatic retreat on dog back to home position and automatic stroke retreat function.
Count type
Home position return is made by counting encoder pulses after contact with proximity dog.
Direction for return to home position selectable. Home position shift amount and home position address settable.
Automatic retreat on dog back to home position and automatic stroke retreat function.
Data setting type
Returns to home position without dog. Sets any position as home position using manual operation, etc.
Home position address settable.
Stopper type
Returns to home position upon hitting end of stroke.
Direction for return to home position selectable. Home position address settable.
Home position ignorance
Position where servo-on (SON) is switched on is defined as home position. Home position address may be set.
Dog type rear end reference
Home position return is made with respect to the rear end of a proximity dog.
Home position address may be set. Home position shift value may be set.
Home position return direction may be set. Automatic at-dog home position return, Automatic stroke return function
Count type front end reference
Home position return is made with respect to the front end of a proximity dog.
Home position address may be set. Home position shift value may be set.
Home position return direction may be set. Automatic at-dog home position return, Automatic stroke return function
Dog cradle type
Home position return is made with respect to the front end of a proximity dog by the first Z-phase pulse. Home position address may be set.
Home position shift value may be set. Home position return direction may be set.
Automatic at-dog home position return, Automatic stroke return function
Dog type adjacent
Z-phase reference
Returns to home position upon the Z-phase pulse right before a near-point dog with respect to the front end of a near-point dog.
Direction for return to home position selectable. Home position shift amount and home position address settable.
Automatic retreat on dog back to home position and automatic stroke retreat function.
Dog type front end reference
Returns to home position to the front end of a point dog with respect to the front end of a near-point dog. Direction for return to home position selectable.
Home position shift amount and home position address settable.
Automatic retreat on dog back to home position and automatic stroke retreat function.
Dog less Z-phase reference
Returns to home position to the first Z-phase pulsewithrespecttothefirstZ-phasepulse.
Direction for return to home position selectable.
Home position shift amount and home position address settable
Dog type torque limit
Returns to home position upon Z-phase pulse count after passing through near-point dog. Direction for return to home position selectable.
Home position shift amount and home position address settable.
Automatic retreat on dog back to home position and automatic stroke retreat function. Torque limit settable.
Data set type torque limit
Returns to home position without dog. Sets any position as home position by manual movement. Home position address and torque limit settable.
Automatic positioning to home
position function
High-speed automatic positioning to a defined home position
MR-J3-T COMMANDS AND OPERATION MODES ///
Overview of MR-J3-T Commands and Operation Modes