Chapter 6 Control Modes of OperationASDA-B Series

6.3Speed Control Mode

The speed control mode (S or Sz) is usually used on the applications of precision speed control, such as CNC machine, etc. ASDA-B series servo drive supports two kinds of command sources in speed control mode. One is external analog signal and the other is internal parameter. The external analog signal is from external voltage input and it can control the speed of servo motor. There are two usage of internal parameter, one is set different speed command in three speed control parameters before operation and then using SP0 and SP1 of CN1 DI signal perform switching. The other usage is using serial communication to change the setting value of parameter.

Beside, in order to make the speed command switch more smoothly, ASDA-B series servo drive also provides complete S-curve profile for speed control mode. For the closed-loop speed control, ASDA-B series servo drive provides gain adjustment function and an integrated PI or PDFF controller. Besides, two modes of tuning technology (Manual/Auto) are also provided for the users to select (parameter P2-32).

6.3.1 Command Source of Speed Control Mode

Speed command Sources:

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

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

Speed

CN1 DI signal

 

 

 

 

 

 

Command Source

Content

 

Range

Command

SPD1

SPD0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S

External analog

Voltage between V-

 

+/-10 V

 

 

 

 

signal

REF-GND

 

S1

0

0

Mode

 

 

 

Sz

N/A

Speed command is

 

0

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S2

0

1

 

 

 

P1-09

 

+/-5000 rpm

 

 

 

Internal parameter

 

 

 

S3

1

0

P1-10

 

+/-5000 rpm

 

 

 

 

 

 

 

 

 

S4

1

1

 

 

 

P1-11

 

+/-5000 rpm

 

 

 

 

 

 

 

 

 

Table 6.C

„State of SPD0~1: 0: indicates OFF (Normally Open); 1: indicates ON (Normally Closed)

„When SPD0 and SPD1 are both = 0 (OFF), if the control mode of operation is Sz, then the speed command is 0. Therefore, if the users do not use analog voltage as speed command, the users can choose Sz mode and avoid the zero point drift problem(Note1) of analog voltage signal. If the speed control mode is S mode, 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 motor speed is adjustable (Please see parameter P1-40).

„When at least one of SPD0 and SPD1 is not 0 (OFF), the speed command is internal parameter (P1-09 to P1-11). The command is valid (enabled) after either SPD0 or SPD1 is changed.

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).

Revision January, 2009

6-9

Page 123 Page 125
Page 124
Image 124
Delta Electronics ASDA-B Series manual Command Source of Speed Control Mode, Ref-Gnd
Page 123 Page 125

ASDA-B Series specifications

Delta Electronics, a global leader in power and thermal management solutions, has made significant strides in the automation and control sectors with its ASDA-B Series of servo drives. This series is engineered for precision motion control applications and is ideal for various industries, including manufacturing, robotics, and packaging.

One of the standout features of the ASDA-B Series is its advanced control algorithms. The series utilizes a high-performance digital signal processor (DSP) that enables precise control of servo motors, resulting in exceptional responsiveness and stability even at high speeds. This technology is particularly beneficial in applications requiring quick acceleration and deceleration, ensuring optimal performance in dynamic environments.

The ASDA-B Series offers a wide range of power ratings, making it versatile enough to cater to different motor sizes and application requirements. It supports various feedback devices, including encoders and resolver systems, enhancing its adaptability and accuracy in diverse operational contexts. The series also features a user-friendly interface, allowing for easy programming and setup, thus minimizing downtime and maximizing productivity.

One of the notable characteristics of the ASDA-B Series is its compact design. The small form factor not only saves valuable space in control cabinets but also simplifies installation and maintenance processes. Additionally, the series is built to withstand tough industrial environments, featuring robust construction that enhances durability and reliability.

Another key technology integrated into the ASDA-B Series is its advanced communication capabilities. The drives support multiple industrial communication protocols, including Ethernet/IP, CANopen, and Modbus, allowing for seamless integration into existing network systems. This connectivity is crucial for applications that require real-time data exchange and remote monitoring.

To ensure energy efficiency, Delta Electronics has incorporated innovative energy-saving technologies in the ASDA-B Series. These technologies optimize power consumption during operation, resulting in lower energy costs and reduced carbon footprint. Moreover, the thermal management features ensure that the drives operate within safe temperature ranges, enhancing their longevity and performance reliability.

In conclusion, Delta Electronics' ASDA-B Series servo drives represent a powerful solution for modern automation needs. With their advanced control algorithms, compact design, versatile communication options, and energy-saving technologies, these drives cater to a wide array of industrial applications, reinforcing Delta's commitment to innovation and efficiency in the automation landscape.
Top Page Image Contents