Mitsumi electronic MR-J3- A Manual De Usuario

 

 

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3. SIGNALS AND WIRING 

 

The speed may be changed during rotation. In this case, the values set in parameters No.PC01 and 
PC02 are used for acceleration/deceleration. 
When the internal speed command 1 to 7 is used to command the speed, the speed does not vary with 
the ambient temperature. 

 

(c) Speed reached (SA) 

As in section 3.6.2 (2). 

 
3.6.5 Speed/torque control change mode 

Set "

3" in parameter No.PA01 to switch to the speed/torque control change mode. 

 
(1) Control change (LOP) 

Use control change (LOP) to switch between the speed control mode and the torque control mode from an 
external contact. Relationships between LOP and control modes are indicated below. 

 

(Note) LOP 

Servo control mode 

0 

Speed control mode 

1 

Torque control mode 

Note. 0: off 

1: on 

 

The control mode may be changed at any time. A change timing chart is shown below. 

10V

0

ON

OFF

Torque

control mode

Servo motor speed

Control change (LOP)

(Note)

Speed

control mode

Speed

control mode

Analog torque
command (TC)

Load torque

Forward rotation in driving mode

 

Note. When the start (ST1   ST2) is switched off as soon as the mode is changed to 

speed control, the servo motor comes to a stop according to the deceleration time 
constant. 

 
(2) Speed setting in speed control mode 

As in section 3.6.2 (1). 

 
(3) Torque limit in speed control mode 

As in section 3.6.1 (5).