Control Techniques Digitax ST Technical Data

5

More Compact Machinery

Digitax ST is an extremely compact servo drive that can be
mounted side-by-side with other drives or components without
leaving space. The result is an incredibly high packing density for
multiple axes. Onboard features such as synchronised motion
control and Safe Torque Off reduce the need for external
components further reducing cubicle sizes and cost.

Matched Motors

Unimotor FM is a performance matched range of servo motors.
FM means Flexible Motor, available in six different diameters with a
wide range of motor lengths, rated speeds and feedback devices.

Factory fitted options include integral
brakes and servo gear boxes.
Digitax ST operates successfully with
other manufacturers’ servo motors
including linear motors and almost
any feedback device.

Increased Value

How do you increase the value of your machines while
reducing your costs? Digitax ST offers reliability, and the
performance to increase speed, repeatability and accuracy while
also reducing the size and cost. Digitax ST addresses all of the
challenges associated with modern machine design.

COMPACT & COMPLETE

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

✔

Able to import

Index Motion

Program multi-tasking

✔

✔

PowerTools Pro programming environment

✔

SyPT Pro programming environment with PLCopen programming

✔

Drive-to-drive networking

✔

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6

DIGITAX ST - BASE

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Typical Applications

● Packaging

● Pick and place

● Glue depositing

● Metal, glass, plastic and fabric x y cutting tables

● Materials Handling

● Profiling applications

Centralised, coordinated motion

Digitax ST - Base is designed for integration with centralised
motion controllers, connected using either digital
communications or analogue technologies. The drive offers
optimised servo performance, flexible connectivity and is quick
and simple to configure using either the optional keypad,
Smartcard or CTSoft, an intuitive drive configuration software
that is included with every drive.

Pick and Place Machine

Laser Cutting Machine

M

0
v A
0
1

2
3

4
5

6

2

7

4V

0
v

DC

2
4
v

8

Cl

9
1

0
1

a

1

ss

1

2
1
3

2

1

4
1
5

O

K
S
T
A

E

T

M

-

U

A

S

C2

/

A
B

06

/
B

0

M
o

t

1

i
o

n
C
oor

2

M
O

TRI

T

d

I
O

i

N

n

3

T

P

a

E

13

CH

t
o

5

4

r

5

A
x
i
s

6

S
E
R

I

A

A

x

7

L

i
s

A
S
E
R

I
A
L

A

B

x
i
s
A
x
i
s

C

B

Z
/
Z

V­V
0

V
1
V
2
V

3

O

N
O

LO
G
Y

0

1

2

3

U
S

1
0
m

i
n

M

B

1
0
m

i
n

Product Sensor

M

0
v
A

0
1

2
3

4
5
6 7

2

4V DC

0
v
2
4
v

8

C

9 1

0

la

1
1

s

12

s

1
3

2

14

1
5

O

K
ST
A

E

T

M

-

U

A

S

/A

C

2

B
/B

0

6

0

Z

M

/Z

ot

V

­V

1

i

0

o

V
1

n

V2

C

V
3

o

2

M

o

O

T

r

T

d

I
O

R

i

N

n

3

T

P

a

E

I

1

C

t

O

35

H

o

N

4

r

O
L
O
G

Y

5

A
x
i
s

0

6

S
E
R
I

A

A

x

7

L

i
s

A

S

1

E
R
I

A
L

A

B

x
i
s

2

A
x
i
s

3

C

U

S

B

1
0 m

in

X

Y

Infeed Conveyor

M

B

1
0 m

in

7

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EtherCAT SERCOS CANopen

SLM Resolver

Analogue/Motion Fieldbus

Typical Architecture Key Benefits

Option modules with synchronous drive connectivity allow the
drive to interface using dedicated servo networks such as
EtherCAT, SERCOS and CANopen. Compliance certification
ensures interoperability with other manufacturers’ equipment.

The standard I/O includes high speed Freeze input for position
capture, high resolution analogue input and an encoder output
to enable the drive to be connected to traditional motion
controllers.

The on-board universal encoder input is able to connect to
Incremental, SinCos, Hiperface, EnDAT and SSI encoders
allowing you to choose the best feedback device for each
application.

As standard the drive features a Safe Torque Off input, which
disables the output stage of the drive with a high degree of
security. This reduces the cost of complying with machine safety
standards such as EN954-1 Cat 3 and enables the drive to
integrate easily with the machine safety system.

Key Option Modules

Communications

Feedback

0v A 0 1 2 3 4 5 6 7 0v 24v 8 9 10 11 12 13 14 15 E- A /A B /B Z /Z V- V0 V1 V2 V3

24V DC

MC206

Class 2

Motion
Coordinator

P135

SERIAL A

SERIAL B

OK

STATUS

TRIO

0

MOTION TECHNOLOGY

1
2

Axis 0
3
4

Axis 1
5

Axis 2
6
7

Axis 3

C US

M

M

M

M

M

B

B

B

B

B

10 min

10 min

10 min

10 min

10 min

8

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DIGITAX ST – INDEXER

Typical Applications

● Indexing tables

● Fast conveyor positioning

● Cut-to-length machines

● Punching

● Transfer mechanisms

● Fast and precise fluid dispensing

Easy to use, point-to-point positioning

Digitax ST - Indexer has the same high performance features as
the Base model, but additionally offers easy to use point-to­point positioning functionality. The drive can operate as a
standalone controller or integrate with a wider automation
system using fieldbus and I/O. The drive and positioning
features are commissioned using CTSoft, an intuitive drive
configuration software that is included free with every drive.

I I

I

1
0
m

in

I

M

I

Cut-to-length Machine

Box Filling Machine

M

I

I

I

1

0
min

Load

Cell

9

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Typical Architecture

Key Benefits

On-board motion controller with easy-to-use yet powerful
graphical software tools enable positioning applications to be
configured quickly and easily using the graphical sequential
function chart language.

Option modules for Ethernet and fieldbus connectivity such as
Profibus and DeviceNet allow the drive to integrate with a
wider automation system.

Positioning applications developed for the Indexer can be
imported into SyPT Pro, giving access to more advanced
features and drive-to-drive communications.

Key Option Modules

Communications

Feedback

Input and Output

BECKHOFF

1 2 3 4 5 6 7 8

Ethernet Ethernet IP Profibus DeviceNet CANopen

Interbus CTNet

Resolver

Additional

I/O Plus

Additional

I/O Lite

I/O with real

time clock

High

Density I/O

SLM

Ethernet / Fieldbus

DI8xDC24V

CPU314C-2 DP

AI5/A02x12Bit

DI16/D016xDC24V

SF

0

0

1

1

2

2

3

3

4

4

5

5

6

6

7

7

DI+2 DI+0

IN IN OUT

DI+1

0

1

2

3

4

5

6

7

0

1

2

3

4

5

6

7

D0+0

D0+1

0

1

2

3

4

5

6

7

BF

DC5V

FRCE

RUN

STOP

PUSH

RUN
STOP
MRES

10 min

CTNet

HEALTHY

BUS ERR

COM RUN

24V

0V

INIT ERR

I/O RUN

I/O ERR

BECKHOFF

BK7200

PE PE

STORED CHARGE

10 min

10 min

STORED CHARGE

10 min

10

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DIGITAX ST – EZ MOTION

Typical Applications

● Indexing table

● Pick and place

● Packaging machines

● Dancer arm loop control

● High speed labelling

● Rotary knife

Easy motion for indexing and synchronised
motion applications

Digitax ST – EZ Motion features an easy to use programming
environment making motion control accessible to experienced
and first time motion users alike. While simplicity is a primary
focus, performance is not compromised, offering a precision
servo solution for many common indexing and synchronised
motion applications.

EZ

EZ

Random Infeed - Smart Belt

Labelling Machine

M

Z

EZ

EZ

1
0
m

i
n

M

EZ

E

Z

Z

10
m

i
n

C
P
U
3

1
4
C

S

-

F

2

DP
B
F

D
C
5

V
F
R
C
E

D
I
8
x

D

A

R

C

I

U

5

2

/

N

A

4

V
0
2
x
1

2B

ST

i

t

O

P

P
U

0
S
H

D
I
1
6

/
D

1

0
1

0

6
x
D
C

2

R

4

U

V

N

2

1
S
T
O
P

3

M

2
R
E

0

S

4

3

1

5

4

2

6

5

3

7

6

4

7

5

D
I+
2

6

IN

D

I

+

0

7
I
N

D
I+
1

D

0

+

0

O

U
0

T

D

0

+

1

1

2

0
3

1
4

2
5

3
6

4
7

5

6

7

11

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Typical Architecture

Key Benefits

Digitax ST - EZ Motion is supplied with PowerTools Pro, an
easy-to-use software tool for configuration, commissioning and
monitoring of all aspects of the drive and motion application.

High level software features help you to reduce your
development time. Motion configurations such as travel
limits, queuing and gearing are easily deployed within
PowerTools Pro software using easy to complete forms and
drag and drop functionality.

Six additional high-speed digital I/O points can be used for
position capture and system interfacing enabling more complex
applications and registration features to be implemented.

Key Option Modules

Communications

Feedback

Input and Output

BECKHOFF

1 2 3 4 5 6 7 8

Ethernet Ethernet IP Profibus DeviceNet CANopen

Interbus

Universal

Encoder

Resolver

Incremental

Encoder

Controller for monitoring
and command

Ethernet

Ethernet

switch

Additional

I/O Plus

Additional

I/O Lite

I/O with real

time clock

High

Density I/O

DI8xDC24V

CPU314C-2 DP

AI5/A02x12Bit

DI16/D016xDC24V

SF

BF

DC5V

FRCE

RUN

STOP

PUSH

RUN
STOP
MRES

0

0

0

1

1

1

2

2

2

3

3

3

4

4

4

5

5

5

6

6

6

7

7

7

DI+2 DI+0

D0+0

IN IN OUT

DI+1

D0+1

0

0

1

1

2

2

3

3

4

4

5

5

6

6

7

7

1 2 3 4

5 6

7

8

®

CTRLink

1 2

5 6

3 4

RX

7

PWR STAT

Fault

TX

10Vdc36

8Vac24

RX

Console

8

0Vdc

TX

EICP

MANAGED

CTNet

HEALTHY

BUS ERR

COM RUN

24V

0V

INIT ERR

I/O RUN

I/O ERR

BECKHOFF

BK7200

PE PE

Typical Applications

● Printing

● Packaging

● Synchronising conveyors

● Flying shear

● Rotary knife

● Winder traverse for textile/cable

Flexibility for the most demanding
motion applications

Digitax ST - Plus offers all of the features available on the indexer
drive together with more advanced motion functionality including
cam profiling and synchronised motion. Onboard drive-to-drive
networking links multiple axes and enables true distributed
control. The drive is commissioned using CTSoft, an intuitive
drive configuration software that is included free with every drive.
The advanced motion features are configured using PLCopen
motion function blocks within Control Techniques SyPT Pro
automation development environment.

12

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DIGITAX ST - PLUS

In-Line Printing

Packaging Machine

M

P

1
0

m
in

M

P

1
0
m

in

M

P

1
0
m

in

M

P

1
0
m

in

M

P

1
0
m

i
n

M

P

1
0
m

in

M

P

10
m

in

Typical Architecture

Key Benefits

On-board position controller ensures superior performance and
reduced cubicle space.

Digitax ST - Plus is configured using Control Techniques market
leading development environment, SyPT Pro. Standard IEC61131­3 languages, multi-tasking and PLCopen motion function blocks
increase familiarity and reduce the development time.

Digitax ST - Plus prevents others benefiting from your unique
knowledge. SyPT Pro can protect your Intellectual Property by
downloading only the compiled binary version of your software
(not the source code) therefore preventing your customers and
competitors from accessing your work.

Many machinery users have different site standards for PLCs.
This presents you with the challenge of designing standard
machine sections that are independent of your customers PLC
preference. With on-board intelligence, drive-to-drive
synchronisation and a wide range of network communication
options, Digitax ST makes it easy for you to standardise your
designs whilst retaining full connectivity to any PLC.

High speed, deterministic drive-to-drive communications
reduces wiring and improves the system performance.

Control Techniques drive-to-drive network allows Digitax ST ­Plus to integrate closely with other automation devices such as
HMIs, PCs, I/O and other Control Techniques drives such as
Unidrive SP and Mentor.

Key Option Modules

Communications

Feedback

Input and Output

13

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Ethernet Ethernet IP Profibus DeviceNet CANopen

Interbus

Resolver Universal

Encoder

Incremental

Encoder

Additional

I/O PLUS

BECKHOFF

1 2 3 4 5 6 7 8

Distributed I/O

SLM

BECKHOFF

1 2 3 4 5 6 7 8

PLC for monitoring and command

Fieldbus / Ethernet

Intelligent servo
drive system
with high speed
drive-to-drive
network

Additional

I/O Lite

High

Density I/O

I/O with real

time clock

DI8xDC24V

CPU314C-2 DP

AI5/A02x12Bit

SF

BF

DC5V

FRCE

RUN

STOP

DI16/D016xDC24V

0

0

0

1

1

1

2

2

2

3

3

3

4

4

4

PUSH

RUN
STOP
MRES

5

5

6

6

7

7

DI+2 DI+0

IN IN OUT

DI+1

0

1

2

3

4

5

6

7

5

6

7

D0+0

D0+1

0

1

2

3

4

5

6

7

CTNet

HEALTHY

BUS ERR

COM RUN

24V

0V

INIT ERR

I/O RUN

I/O ERR

BECKHOFF

BK7200

PEPE

CTNet

HEALTHY

BUS ERR

COM RUN

24V

0V

INIT ERR

I/O RUN

I/O ERR

BECKHOFF

BK7200

PE PE

Control Techniques makes it easier to access the drive’s full
feature set. Our software allows you to optimise the drive
tuning, back-up the configuration, configure the on-board
motion controller and design the drive-to-drive network data
links. There are five main software packages:

● CTSoft - Drive configuration and index motion editor

● CTScope - Real-time software oscilloscope

● PowerTools Pro - Easy to use, all in one drive configuration

software for Digitax ST - EZ Motion drives

● SyPT Pro - Drive automation and motion programming

environment

● CTOPCServer - OPC compliant server for interfacing your

own PC software with Control Techniques drives

The software packages connect using Ethernet, CTNet, Serial
or USB connections. Ethernet communications allow the drives
to be accessed remotely, anywhere in the world.

14

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CONTROL TECHNIQUES SOFTWARE

Ethernet RS485 CTNet USB

CT Soft

✔ ✔ ✔ ✔

CTScope

✔ ✔ ✔ ✔

PowerTools Pro

✔ ✔ ✔

SyPT Pro

✔ ✔ ✔ ✔

CTOPCServer

✔ ✔ ✔

✔

CTSoft is a drive configuration tool for commissioning, optimising
and monitoring Control Techniques drives. It allows you to:

● Use the configuration wizards to commission your drive

● Program the Digitax ST on-board motion controller

● Read, save and load drive configuration settings

● Manage the drive’s smartcard data

● Visualise and modify the configuration with live animated

diagrams

For evaluation, download
the full software from
www.controltechniques.com

Index Motion Controller

Digitax ST - index motion controller is programmed within
CTSoft using industry standard Sequential Function Chart (SFC)
language. The user can quickly configure a range of motion
commands such as homing and various index moves. The focus
is on reducing development time and ease of use.

The status of the program can be monitored, and the speed of
the motion reduced for commissioning and testing purposes:

For evaluation, download
the full software from
www.controltechniques.com

15

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CTCTSoft

Base Indexer EZ Motion Plus

Available for

✔ ✔

✔

Base Indexer EZ Motion Plus

Available for

✔

16

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CTScope is a full featured software oscilloscope for viewing and
analysing changing values within the drive. The time base can be
set to give high speed capture for tuning or intermittent capture
for longer term trends. The user interface is based on a
traditional oscilloscope, making it familiar and friendly to all
engineers across the globe.

For evaluation, download
the full software from
www.controltechniques.com

PowerTools Pro

Developing motion applications with PowerTools Pro is a simple
“five step, top-down process”. The five steps are displayed
within an explorer bar that allows easy intuitive navigation. Each
step is configured using simple check boxes, drop down
selections and drag and drop functionality. The five steps are:

● Hardware Configuration

● Drive Setup

● I/O Setup

● Motion

● Programs

A “BASIC”-like programming language enables users to develop
more complex applications and sequencing with functions being
selected by dragging and dropping onto the work area.

For evaluation, download
the full software from
www.controltechniques.com

Base Indexer EZ Motion Plus

Available for

✔

CTCTScope

Base Indexer EZ Motion Plus

Available for

✔ ✔

✔

17

SyPT Pro is a full featured automation development
environment that can be used for developing solutions for single
or multiple axis applications. The programming environment
supports three industry standard languages: Function Block,
Ladder and Structured Text. Motion control is configured using
the new PLCopen motion language, supporting up to 1.5 axes.
CTNet, a high-speed, drive-to-drive network links the drives,
SCADA and I/O together to form an intelligent networked
system. SyPT Pro manages both the system programming and
motion communications.

For evaluation, download a demo version of the software at
www.syptpro.com.

For more information please refer to SyPT Pro brochure,
part number 0175-0334

CTOPCServer is an OPC compliant server which allows PCs to
communicate with Control Techniques drives. The server
supports communication using Ethernet, CTNet, RS485 and
USB. OPC is a standard interface on SCADA packages and is
widely supported within Microsoft

TM

products. The server is
supplied free of charge and may be downloaded from
www.controltechniques.com.

Base Indexer EZ Motion Plus

Available for

✔

Base Indexer EZ Motion Plus

Available for

✔ ✔ ✔

✔

www.controltechniques.com