Thank you very much for purchasing DELTA’s AC servo products.
This manual will be helpful in the installation, wiring, inspection, and operation of Delta AC servo drive and
motor. Before using the product, please read this user manual to ensure correct use.
You should thoroughly understand all safety precautions (DANGERS, WARNINGS and STOPS) before
proceeding with the installation, wiring and operation. If you do not understand please contact your local
Delta sales representative. Place this user manual in a safe location for future reference.
Using This Manual
Contents of this manual
This manual is a user guide that provides the information on how to install, operate and maintain
ASDA-AB series AC servo drives and ECMA series AC servo motors. The contents of this manual
include the following topics:
z Installation of AC servo drives and motors
z Configuration and wiring
z Trial run steps
z Control functions and adjusting methods of AC servo drives
z Parameter settings
z Communication protocol
z Inspection and maintenance
z Troubleshooting
z Application examples
Who should use this manual
This manual is intended for the following users:
z Those who are responsible for designing
z Those who are responsible for installing or wiring
z Those who are responsible for operating or programming
z Those who are responsible for maintaining or troubleshooting
Important precautions
Before using the product, please read this user manual thoroughly to ensure correct use. Store this
manual in a safe and handy place for quick reference whenever necessary. Always observe the
following precautions:
z Do not use the product in a potentially explosive environment.
z Install the product in a clean and dry location free from corrosive and inflammable gases
or liquids.
zDo not connect commercial power to the U, V, W terminals. Failure to observe this
precaution will cause severe damage to the Servo drive.
Revision January 2009 i
Preface|ASDA-AB Series
zEnsure that the motor and drive are correctly connected to a ground. The grounding
method must comply with the electrical standard of the country (Please refer to NFPA 70:
National Electrical Code, 2005 Ed.).
z Do not disconnect the AC servo drive and motor while the power is ON.
z Do not attach, modify or remove wiring while power is applied to the AC servo drive.
z Before starting the operation with a mechanical system connected, make sure the
emergency stop equipment can be energized and work at any time.
zDo not touch the drive heat sink or the servo motor during operation, this may cause
serious personnel injury.
PLEASE READ PRIOR TO INSTALLATION FOR SAFETY.
Carefully note and observe the following safety precautions when receiving, inspecting, installing, operating,
maintaining and troubleshooting. The following words, DANGER, WARNING and STOP are used to mark
safety precautions when using the Delta’s servo product. Failure to observe these precautions may void
the warranty!
ASDA-AB series drives are open type servo drives and must be installed in an NEMA enclosure such as a
protection control panel during operation to comply with the requirements of the international safety
standards. They are provided with precise feedback control and high-speed calculation function
incorporating DSP (Digital Signal Processor) technology, and intended to drive three-phase permanent
magnet synchronous motors (PMSM) to achieve precise positioning by means of accurate current output
generated by IGBT (Insulated Gate Bipolar Transistor).
ASDA-AB series drives can be used in industrial applications and for installation in an end-use enclosure that
do not exceed the specifications defined in the ASDA-AB series user manual (Drives, cables and motors are
for use in a suitable enclosure with a minimum of a UL50 type 1 or NEMA 250 Type 1 rating).
The words, DANGER, WARNING and STOP, have the following meaning:
Indicates a potentially hazardous situation and if not avoided, may result in serious injury
or death.
Indicates a potentially hazardous situation and if not avoided, may result in minor to
moderate injury or serious damage to the product.
Indicates an improper action that it is not recommended. Doing so may cause damage or
malfunction.
Unpacking Check
¾ Please ensure that both the servo drive and motor are correctly matched for size (power rating). Failure to observe this
precaution may cause fire, seriously damage to the drive / motor or cause personal injury.
Installation
¾ Do not install the product in a location that is outside the stated specification for the drive and motor. Failure to observe this
caution may result in electric shock, fire, or personal injury.
ii
Revision January 2009
Wiring
Operation
Preface|ASDA-AB Series
¾ Connect the ground terminals to a class-3 ground (Ground resistance should not exceed 100 Ω). Improper grounding may result
in electric shock or fire.
¾ Do not connect any power supplies to the U, V, W terminals. Failure to observe this precaution may result in serious injury,
damage to the drive or fire.
¾ Ensure that all screws, connectors and wire terminations are secure on the power supply, servo drive and motor. Failure to
observe this caution may result in damage, fire or personal injury.
¾ Before starting the operation with a mechanical system connected, change the drive parameters to match the user-defined
parameters of the mechanical system. Starting the operation without matching the correct parameters may result in servo drive
or motor damage, or damage to the mechanical system.
¾ Ensure that the emergency stop equipment or device is connected and working correctly before operating the motor that is
connected to a mechanical system.
¾ Do not approach or touch any rotating parts (e.g. shaft) while the motor is running. Failure to observe this precaution may
cause serious personal injury.
¾ In order to prevent accidents, the initial trial run for servo motor should be conducted under no load conditions (separate the
motor from its couplings and belts).
¾ For the initial trial run, do not operate the servo motor while it is connected to its mechanical system. Connecting the motor to
its mechanical system may cause damage or result in personal injury during the trail run. Connect the servo motor once it has
successfully completed a trail run.
¾ Caution: Please perform trial run without load first and then perform trial run with load connected. After the servo motor is
running normally and regularly without load, then run servo motor with load connected. Ensure to perform trial run in this order
to prevent unnecessary danger.
¾ Do not touch either the drive heat sink or the motor during operation as they may become hot and personal injury may result.
Maintenance and Inspection
¾ Do not touch any internal or exposed parts of servo drive and servo motor as electrical shock may result.
¾ Do not remove the operation panel while the drive is connected to an electrical power source otherwise electrical shock may
result.
¾ Wait at least 10 minutes after power has been removed before touching any drive or motor terminals or performing any wiring
and/or inspection as an electrical charge may still remain in the servo drive and servo motor with hazardous voltages even after
power has been removed.
¾ Do not disassemble the servo drive or motor as electric shock may result.
¾ Do not connect or disconnect wires or connectors while power is applied to the drive and motor.
¾ Only qualified personnel who have electrical knowledge should conduct maintenance and inspection.
Main Circuit Wiring
¾ Install the encoder cables in a separate conduit from the motor power cables to avoid signal noise. Separate the conduits by
30cm (11.8inches) or more.
¾ Use multi-stranded twisted-pair wires or multi-core shielded-pair wires for signal, encoder (PG) feedback cables. The maximum
length of command input cable is 3m (9.84ft.) and the maximum length of encoder (PG) feedback cables is 20m (65.62ft.).
¾ As a charge may still remain in the drive with hazardous voltages even after power has been removed, be sure to wait at least 10
minutes after power has been removed before performing any wiring and/or inspection.
¾ It is not recommended to frequently power the drive on and off. Do not turn the drive off and on more than once per minute as
high charging currents within the internal capacitors may cause damage.
Main Circuit Terminal Wiring
¾ Please perform the wiring after the terminal blocks are all removed from the drive.
¾ Insert only one wire into one terminal on the terminal block.
¾ When inserting wires, please ensure that the conductors are not shorted to adjacent terminals or wires.
¾ Ensure to double check the wiring before applying power to the drive.
¾ If the wiring is in error, perform the wiring again with proper tools. Never use force to remove the terminals or wires. Otherwise,
it may result in malfunction or damage.
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Preface|ASDA-AB Series
NOTE
1) In this manual, actual measured values are in metric units. Dimensions in (imperial
units) are for reference only. Please use metric units for precise measurements.
2) The content of this manual may be revised without prior notice. Please consult our
distributors or download the most updated version at
http://www.delta.com.tw/industrialautomation
.
.
iv
Revision January 2009
Table of Contents
Chapter 1 Unpacking Check and Model Explanation............................................................. 1-1
The servo drives shown in the above table are designed for use in combination with the specific servo
motors. Check the specifications of the drives and motors you want to use.
Also, please ensure that both the servo drive and motor are correctly matched for size (power rating). If the
power of motor and drive is not within the specifications, the drive and motor may overheat and servo alarm
would be activated. For the detail specifications of servo drives and motors, please refer to Chapter 11
“Specifications”.
The drives shown in the above table are designed according to the three multiple of rated current of motors
shown in the above table. If the drives which are designed according to the six multiple of rated current of
motors are needed, please contact our distributors or your local Delta sales representative.
Revision January 2009 1-5
Chapter 1 Unpacking Check and Model Explanation|ASDA-AB Series
1.4 Servo Drive Features
220V models
1-6 Revision January 2009
110V models
Chapter 1 Unpacking Check and Model Explanation|ASDA-AB Series
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Chapter 1 Unpacking Check and Model Explanation|ASDA-AB Series
1.5 Control Modes of Servo Drive
The Delta Servo provides six single and five dual modes of operation.
Their operation and description is listed in the following table.
Mode Code Description
Single
Mode
External Position Control Pt
Internal Position Control Pr
Speed Control S
Internal Speed Control Sz
Torque Control T
Tz Internal Torque control mode for the servo motor is only
Internal Torque Control
External Position control mode for the servo motor is
achieved via an external pulse command.
Internal Position control mode for the servo motor is
achieved via 8 internal position registers within the servo
controller. Execution of the 8 positions is via Digital Input
(DI) signals.
(External / Internal) Speed control mode for the servo motor
can be achieved via parameters set within the controller or
from an external analog -10 ~ +10 VDC command. Control
of the internal speed mode is via the Digital Inputs (DI). (A
maximum of three speeds can be stored internally).
Internal Speed control mode for the servo motor is only
achieved via parameters set within the controller. Control of
the internal speed mode is via the Digital Inputs (DI). (A
maximum of three speeds can be stored internally).
(External / Internal) Torque control mode for the servo
motor can be achieved via parameters set within the
controller or from an external analog -10 ~ +10 V
DC
command. Control of the internal torque mode is via the
Digital Inputs (DI). (A maximum of three torque levels can
be stored internally).
achieved via parameters set within the controller. Control of
the internal torque mode is via the Digital Inputs (DI). (A
maximum of three torque levels can be stored internally).
Pt-S Either Pt or S control mode can be selected via the Digital
Inputs (DI)
Pt-T Either Pt or T control mode can be selected via the Digital
Inputs (DI)
Dual Mode
Pr-S Either Pr or S control mode can be selected via the Digital
Inputs (DI)
Pr-T Either Pr or T control mode can be selected via the Digital
Inputs (DI)
S-T Either S or T control mode can be selected via the Digital
Inputs (DI)
The above control modes can be accessed and changed via parameter P1-01. Enter the new control mode
via P1-01 then switch the main power to the servo drive OFF then ON. The new control mode will only be
valid after the drives main power is switched OFF then ON. Please see safety precautions on page iii
(switching drive off/on multiple times).
1-8 Revision January 2009
Chapter 2 Installation and Storage
2.1 Installation Notes
Please pay close attention to the following installation notes:
Do not bend or strain the connection cables between servo drive and motor.
When mounting the servo drive, make sure to tighten all screws to secure the drive in place.
If the servo motor shaft is coupled directly to a rotating device ensure that the alignment specifications of
the servo motor, coupling, and device are followed. Failure to do so may cause unnecessary loads or
premature failure to the servo motor.
If the length of cable connected between servo drive and motor is more than 20m, please increase the
wire gauge of the encoder cable and motor connection cable (connected to U, V, W terminals).
Make sure to tighten the screws for securing motor.
2.2 Storage Conditions
The product should be kept in the shipping carton before installation. In order to retain the warranty coverage,
the AC servo drive should be stored properly when it is not to be used for an extended period of time. Some
storage suggestions are:
Store in a clean and dry location free from direct sunlight.
Store within an ambient temperature range of -20°C to +65°C (-4°F to 149°F).
Store within a relative humidity range of 0% to 90% and non-condensing.
Do not store in a place subjected to corrosive gases and liquids.
Store in original packaging and placed on a solid surface.
Revision January 2009 2-1
Chapter 2 Installation and Storage|ASDA-AB Series
2.3 Installation Conditions
Operating Temperature
ASDA-AB Series Servo Drive : 0°C to 55°C (32°F to 131°F)
ECMA Series Servo Motor : 0°C to 40°C (32°F to 104°F)
The ambient temperature of servo drive should be under 45°C (113°F) for long-term reliability.
If the ambient temperature of servo drive is greater than 45°C (113°F), please install the drive in a well-
ventilated location and do not obstruct the airflow for the cooling fan.
Caution
The servo drive and motor will generate heat. If they are installed in a control panel, please ensure sufficient
space around the units for heat dissipation.
Pay particular attention to vibration of the units and check if the vibration has impacted the electric devices in
the control panel. Please observe the following precautions when selecting a mounting location. Failure to
observe the following precautions may void the warranty!
Do not mount the servo drive or motor adjacent to heat-radiating elements or in direct sunlight.
Do not mount the servo drive or motor in a location subjected to corrosive gases, liquids, airborne dust
or metallic particles.
Do not mount the servo drive or motor in a location where temperatures and humidity will exceed
specification.
Do not mount the servo drive or motor in a location where vibration and shock will exceed specification.
Do not mount the servo drive or motor in a location where it will be subjected to high levels of
electromagnetic radiation.
2-2 Revision January 2009
Chapter 2 Installation and Storage|ASDA-AB Series
2.4 Installation Procedure and Minimum Clearances
Installation Procedure
Incorrect installation may result in a drive malfunction or premature failure of the drive and or motor. Please
follow the guidelines in this manual when installing the servo drive and motor.
The ASDA-AB servo drive should be mounted perpendicular to the wall or in the control panel. In order to
ensure the drive is well ventilated, ensure that the all ventilation holes are not obstructed and sufficient free
space is given to the servo drive. Do not install the drive in a horizontal position or malfunction and damage
will occur.
Drive Mounting
The ASDA-AB Servo drives must be back mounted vertically on a dry and solid surface such as a NEMA
enclosure. A minimum spacing of two inches must be maintained above and below the drive for ventilation
and heat dissipation. Additional space may be necessary for wiring and cable connections. Also, as the drive
conducts heat away via the mounting, the mounting plane or surface should not conduct heat into the drive
from external sources
Motor Mounting
The ECMA Servo motors should be mounted firmly to a dry and solid mounting surface to ensure maximum
heat transfer for maximum power output and to provide a good ground.
For the dimensions and weights specifications of servo drive or motor, please refer to Chapter 11
“Specifications".
Minimum Clearances
Install a fan to increase ventilation to avoid ambient temperatures that exceed the specification. When
installing two or more drives adjacent to each other please follow the clearances as shown in the following
diagram.
Revision January 2009 2-3
Chapter 2 Installation and Storage|ASDA-AB Series
Minimum Clearances
Side by Side Installation
2-4 Revision January 2009
Chapter 3 Connections and Wiring
This chapter provides information on wiring ASDA-AB series products, the descriptions of I/O signals and
gives typical examples of wiring diagrams.
3.1 Connections
3.1.1 Connecting to Peripheral Devices
Figure 3.1 220V Servo Drive
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Chapter 3 Connections and Wiring|ASDA-AB Series
Figure 3.2 110V Servo Drive
3-2 Revision January 2009
Chapter 3 Connections and Wiring|ASDA-AB Series
3.1.2 Servo Drive Connectors and Terminals
Terminal
Identification
L1, L2
R, S, T
(for 220V models)
L1M, L2M
(for 110V models)
U, V, W
FG (
P, D, C
)
Terminal
Description
Control circuit
terminal
Main circuit
terminal
Servo motor output
Regenerative
resistor terminal
Notes
Used to connect single-phase AC control circuit power.
(Control circuit uses the same voltage as the main circuit.)
Used to connect single-phase or three-phase AC main
circuit power depending on connecting servo drive model.
For single-phase 220V models, connect R and S terminals
to power. For single-phase 110V models, connect L1M and
L2M terminals to power. For three-phase models, connect
all three R, S, and T terminals to power. To provide control
circuit power, two jumpers can be added from R and S to
L1 and L2.
Used to connect servo motor
Terminal SymbolWire Color
U Red
V White
W Black
FG(
Internal resistor
External resistor
)
Ensure the circuit is closed between P
and D, and the circuit is open between
P and C.
Connect regenerative resistor to P and
C, and ensure an open circuit between
P and D.
Green
two places
CN1
CN2
CN3
NOTE
Ground terminal
I/O connector
Encoder connector
Communication
connector
Used to connect grounding wire of power supply and servo
motor.
Used to connect external controllers. Please refer to section
3.3 for details.
Used to connect encoder of servo motor. Please refer to
section 3.4 for details.
Terminal SymbolWire Color
A Black
/A Black/Red
B White
/B White/Red
Z Orange
/Z Orange/Red
+5V Brown & Brown/White
GND Blue & Blue/White
Used to connect PC or keypad. Please refer to section 3.5
for details.
1) U, V ,W , CN1, CN2, CN3 terminals provide short circuit protection.
Revision January 2009 3-3
Chapter 3 Connections and Wiring|ASDA-AB Series
Wiring Notes
Please observe the following wiring notes while performing wiring and touching any electrical
connections on the servo drive or servo motor.
1. Please note that the main circuit terminals of 110V models are L1M and L2M, and there is no
terminal T in 110V models. In other words, the terminal T in 220V models becomes no function
in 110V models.
2. Ensure to check if the power supply and wiring of the "power" terminals (R(L1M), S(L2M), T, U,
V, & W) is correct.
3. Please use shielded twisted-pair cables for wiring to prevent voltage coupling and eliminate
electrical noise and interference.
4. As a residual hazardous voltage may remain inside the drive, please do not immediately touch
any of the "power" terminals (R(L1M), S(L2M), T, U, V, & W) and/or the cables connected to
them after the power has been turned off and the charge LED is lit. (Please refer to the Safety
Precautions on page ii).
5. The cables connected to R(L1M), S(L2M), T and U, V, W terminals should be placed in separate
conduits from the encoder or other signal cables. Separate them by at least 30cm (11.8 inches).
6. If the encoder cable is too short, please use a twisted-shield signal wire with grounding
conductor. The wire length should be 20m (65.62ft.) or less. For lengths greater than 20m
(65.62ft.), the wire gauge should be doubled in order to lessen any signal attenuation.
7. As for motor cable selection, please use the 600V PTFE wire and the wire length should be less
than 98.4ft. (30m). If the wiring distance is longer than 30m (98.4ft.), please choose the
adequate wire size according to the voltage.
8. The shield of shielded twisted-pair cables should be connected to the SHIELD end (terminal
marked
9. For the connectors and cables specifications, please refer to section 3.1.6 for details.
) of the servo drive.
3-4 Revision January 2009
Chapter 3 Connections and Wiring|ASDA-AB Series
3.1.3 Wiring Methods
For servo drives from 100W to 1.5kW the input power can be either single or three-phase. For servo
drives 2kW and above only three-phase connections are available. But, 220V single-phase models are
available in 1.5kW and below only and 110V single-phase models are available in 400W and below only.
In the wiring diagram figures 3.3, 3.4 & 3.5:
Power ON : contact “a” (normally open)
Power OFF : contact “b” (normally closed)
MC : coil of electromagnetic contactor, self-holding power, contact of main circuit power
Figure 3.3 Single-Phase Power Supply (1.5kW and below, 220V models)
Revision January 2009 3-5
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