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Control Mode

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ASDA-A3

6.4 Torque mode

Torque control mode (T or Tz) is suitable for torque control applications, such as printing

machines and winding machines. There are two kinds of command sources: analog input and

internal register (parameters). The analog command input uses scaled external voltage to

control the torque of the motor while the register input uses the internal parameters (P1.012 -

P1.014) as the Torque command.

6.4.1 Selecting the Torque command source

External analog voltage and internal parameters are the two Torque command sources.

Select the command source with DI signals of CN1. See the following table for more detail.

Torque

command

number

DI signal of CN1

TCM1 TCM0

Command source

Content

Range

Mode

External analog Voltage difference between

signal

T_REF and GND

-10V to +10V

N/A

Torque command is 0

P1.012

-500% to +500%

0 Internal register parameter

P1.013

-500% to +500%

P1.014

-500% to +500%

 Status of TCM0 - TCM1: 0 means that DI is off (the circuit is open); 1 means that DI is on

(the circuit is closed).

 When both TCM0 and TCM1 are 0, if the drive is in Tz mode, then the command is 0.

Thus, if the Torque command using analog voltage is not required, you can use Tz mode

to avoid zero voltage drift. If the drive is in T mode, the command is the voltage difference

between T_REF and GND. The range of the input voltage is between -10V and +10V, and

you can adjust the corresponding torque with P1.041.

 When either one of TCM0 or TCM1 is not 0, the Torque command comes from the internal

There is no need to use DI.CTRG for triggering.

You can use the Torque command in Torque mode (T or Tz) and Speed mode (S or Sz). When it

is in Speed mode, you can regard it as the command input for the torque limit.

6-28

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