Delta Electronics AC Servo Drive ASDA-AB Manual de usuario descargar pdf (Pagina 111)

Chapter 6 Control Modes of Operation ASDA-A User Manual

6-14

6-3-1 Command Source of Speed Control Mode

Speed command Source:

1. External analog signal: External analog voltage input, -10V to +10V

2. Internal parameter: P1-09 to P1-11

DI signal of CN1Speed

Command

SPD1 SPD0

Command Source Content Range

External analog

signal

Voltage between

V-REF-GND

+/-10 V

S1 0 0 Mode

Sz None Speed command is 0 0

S2 0 1

P1-09 0~5000 rpm

S3 1 0 P1-10

0~5000 rpm

S4 1 1

Internal parameter

P1-11

0~5000 rpm

 State of SPD0~1:

0: indicates OFF (Normally Open)

1: indicates ON (Normally Closed)

 When SPD0=SPD1=0 (OFF), if the control mode of operation is Sz, then the command is 0. Therefore,

if users do not use analog voltage as speed command, users can choose Sz mode to operation speed

control to avoid the zero point drift problem of analog voltage. If the control mode of operation is S, then

the command is the analog voltage between V-REF and GND. The setting range of the input voltage is

from -10V to +10V and the corresponding rotation speed is adjustable (see parameter P1-40).

 When one of SPD0 and SPD1 is not 0 (OFF), the speed command is internal parameter. The

command is valid (enabled) after SPD0~1 is changed and it doesn’t need that CTRG should be

triggered.

The speed command that is described in this section not only can be taken as speed command in speed

control mode (S or Sz mode) but also can be the speed limit input command in torque control mode (T or Tz

mode).

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Delta Electronics AC Servo Drive ASDA-AB Manual de usuario Pagina 111