Digitax ST - High dynamic performance servo drives range
 
0.72Nm to 18.8Nm (Peak 56.4Nm)
 
200V / 400V
 
The Digitax ST range is optimized for pulse duty servo applications requiring high peak torque (up to 300% peak), dynamic response, ease of use and flexible integration features. The range is 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

 

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√

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Digital and analogue I/O with pluggable connector

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Smartcard

√

√

√

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High speed Freeze input for position capture

√

√

√

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Safe Torque Off (Secure Disable)

√

√

√

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CTSoft and CTScope commissioning software

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√

 

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Removable keypad (optional)

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√

√

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RS485 PC programming port

√

√

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Intellectual Property Protection

 

√

 

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Index motion programming within CTSoft

 

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*


Program multi-tasking

 

 

√

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PowerTools Pro programming environment

 

 

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SyPT Pro programming environment with PLCopen programming

 

 

 

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Drive-to-drive networking

 

 

 

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* 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
 
 

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
 
 
 

 

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