MITSUBISHI ELECTRIC MR-E- A/AG User Manual

Page 269

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15. MR-E- AG SERVO AMPLIFIER COMPATIBLE WITH ANALOG INPUT

(3) Speed/torque control change mode

Set "0003" in parameter No. 0 to switch to the speed/torque control change mode.
(a) 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:

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.

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

(b) Speed setting in speed control mode

Same as (1)(a).

(c) Torque limit in speed control mode

Same as (1)(c).

(d) Speed limit in torque control mode

Same as (2)(c).

(e) Torque control in torque control mode

Same as (2)(a).

(f) Torque limit in torque control mode

Same as (2)(b).

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