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Product > AC, DC Servo Drives > Digitax ST

 

Product

Digitax ST - High dynamic performance servo drives

0.72 to 18.8Nm (Peak 56.4Nm)

230V / 460V Servo Drive Systems

Digitax ST servo drives are optimized for pulse duty servo applications requiring high peak torque (up to 300% peak), dynamic response, ease of use and flexible integration features. Digitax ST drives are perfectly matched for use with Unimotor hd servo motors.

Features
Specifications
Options
Software
Downloads

 

DIGITAX ST

- BASE

DIGITAX ST

- INDEXER

DIGITAX ST- EZ MOTION

DIGITAX ST

- PLUS


Two option module slots

 

 


Digital and analogue I/O with pluggable connector

 

 

 

 


Smartcard


High speed Freeze input for position capture

 

 

 

 


Safe Torque Off (Secure Disable)


CTSoft and CTScope commissioning software

 

 

 

 


Removable keypad (optional)

 

 

 

 


RS485 PC programming port

 

 

 

 

Intellectual Property Protection

 

 

 

 


Index motion programming within CTSoft

 

 

 

 

*


Program multi-tasking

 

 


PowerTools Pro programming environment

 

 

 

 


SyPT Pro programming environment with PLCopen programming

 

 

 

 

 


Drive-to-drive networking

 

 

 

 

* Able to import Index Motion into SYPTPro

 

Available motor / drive combinations 

 

 

 

 

 

 

 

 

 

NB: The selection of Drive-Motor combinations should be based on Duty/load Profiles of the application

F­UNCTION

QTY

I/O DEFAULT FUNCTION

RATING

Analogueue input 1

1

Frequency /speed ref 1

± 10V

Analog input 2

1

Frequency /speed ref 2

± 10V(default), 0-20mA or 4-20mA

Analogue input 3

1

Motor thermistor

± 10V, 0-20mA, 4-20mA or Motor thermistor input (default)

Analogue output

2

Speed/frequency

Torque (active current)

± 10V(default), 0-20mA or 4-20mA

Digital input

3

Run reverse input

Analogue input 1/2 select

Jog forward input

+24V

Digital input / output

3

At zero speed output

Reset input

Run forward input

+24V

Relay

1

Drive OK indicator

Normally open

Drive enable (Safe Torque Off)

1

Safe Torque Off input

+24V

+24V External input

1

External 24V supply

+24V

Drive dimensions

 

 

DRIVE MODEL RATINGS

MODEL

RATED VOLTAGE
(V)

NO. OF INPUT PHASES

NOMINAL CURRENT
(ARMS)

PEAK CURRENT
(ARMS)

DST1201

230

1

1.1

2.2

DST1202

230

1

2.4

4.8

DST1203

230

1

2.9

5.8

DST1204

230

1

4.7

9.4

DST1201

230

3

1.7

5.1

DST1202

230

3

3.8

11.4

DST1203

230

3

5.4

16.2

DST1204

230

3

7.6

22.8

DST1401

400

3

1.5

4.5

DST1402

400

3

2.7

8.1

DST1403

400

3

4.0

12.0

DST1404

400

3

5.9

17.7

DST1405

400

3

8.0

24.0

 

Note: The drive selection should be based on the duty/load profile of the application

 

SUPPLY REQUIREMENTS

MODEL

SUPPLY VOLTAGE

SUPPLY FREQUENCY RANGE

DST120X

200V ÷ 240V ±10%, single phase

48Hz ÷ 65Hz

DST120X

200V ÷ 240V ±10%, three phases

48Hz ÷ 65Hz

DST140X

380V ÷ 480V ±10%, three phases

48Hz ÷ 65Hz

 

GENERAL DRIVE DATA

TYPE

DETAILS

IP rating

1P20 (UL Type 1 / NEMA 1)

Weight (net)

2.1kg (4.6 lb) Excluding keypad and option modules

Ambient operating temperature

0˚C to 50˚C (32˚F to 122˚F) Output current is derated at ambient temperatures >40˚C (104˚F)

Operating humidity

Maximum relative humidity 95% non-condensing

Altitude

0m to 3000m (9900ft). Derate the maximum output current for the specified figure by 1% per 100m (330 ft) above 1000m (3300 ft).

Power cycles per hour

60 starts per hour equally spaced

Digital and analogue I/O

3 dedicated digital inputs        
3 bi-directional digital input/outputs                             
1 Relay output
1 High resolution analogue input (16 bit +sign)        
2 Analogue outputs
1 Standard analogue input (10 bit + sign)                        
1 Freeze input (1µs)
1 Freeze input (1µs)

Vibration

Tested in accordance to IEC60068-2-6/64

Mechanical shock

Tested in accordance to IEC60068-2-29

Electromagnetic immunity

Complies with EN61800-3 (2nd Environment)

Electromagnetic emissions

Complies with EN61800-3 (2nd Environment) with onboard filter.  EN61000-6-3 and EN61000-6-4 with optional footprint EMC filter

Safe Torque Off

Approved by BGIA as meeting the requirements of the following standards for the prevention of unexpected starting of the drive:
EN 61800-5-2:2007  SIL 3                 EN ISO 13848-1:2006  PLe                
EN 954-1:1997  Category 3