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Yaskawa MP940 User Manual

Page 287

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6.4 Parameters for SGDH SERVOPACK

6-47

6

Pn000
Function
Selection
Basic
Switches
(Contd.)

1

Control
Method
Selection
(0 to B)

SGDH SERVOPACKs can use a total of 12 different control
methods, including speed control, position control, torque con-
trol, etc. When combining with an MP940, however, make sure
to set the control method to 9: Torque control (analog refer-
ence)

Speed

control

(analog reference).

The above references and switching are performed automati-
cally by the MP940 using the 2-port RAM.

Torque control: When C-SEL is OFF

• The INTRF reference controls torque.
• INVRF can be used to limit the servomotor speed when

Pn002.1 is set to 1.
The INVRF voltage (+) limits servomotor speed during for-
ward and reverse rotation.

Parameter Pn407 can be used for maximum speed control.

Speed control: When C-SEL is ON

• The INVRF reference controls torque.
• INTRF can be used to limit servomotor speed when Pn002.1

is set to 1.

9

Speed
Torque
Position

2

Axis Address

Cannot be used with MP940. Do not touch.

0

3

Not used.

Parameter No. Digit

Name

(Setting

Range)

Details

Default

Control

Modes

INVRF

INTRF

C-SEL

Speed reference

SERVOPACK

Torque reference

Speed and

torque refer-

ence switching

INVRF

INTRF

C-SEL=0

Speed reference

Torque reference

SERVOPACK

INVRF

INTRF

C-SEL=1

Speed reference

Torque reference

SERVOPACK