Elesa DD51-E Manuel utilisateur

Direct drive electronic

position indicators

2.0 Software Version

Instruction for use

pag. 2

DD51-E

Instrukcja obsługi

str. 16

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DD51-E

Direct drive electronic position indicators

1. Safety Instructions

The product has been designed and manufactured in

accordance with the current regulations.

The product leaves the factory ready for use and complies

with the safety standards.

To maintain the product in this state, it is necessary that it

is assembled and used properly, in the closest compliance

with this instruction manual and with the following specic

safety precautions.

Ensure that the user has read and understood the instruction

manual and in particular the chapter “Safety Instructions”.

In addition to the instruction manual, all the rules of law

must be observed, in regard to accident prevention and en-

vironmental protection.

This manual is intended as an indispensable supplement to

the existing documentation (catalogues, data sheets and as-

sembly instructions).

The use without complying with the descriptions /

specic parameters, in combination with

systems / machines / processes to be

controlled, it can lead to a malfunction of

the product, causing:

- health hazards,

- environmental hazards,

- damage to the product and its proper functionality.

Do not open nor modify the case of the indicator.

Tampering with this product may endanger the correctness

and accuracy of its operation.

In case of malfunction, do not attempt any repairs to the

units and contact Elesa sales ofce.

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DD51-E

Direct drive electronic position indicators

2. System description

DD51-E position indicators, with battery power supply, can

be used on passing through shafts in any position to provide

the reading of the absolute or incremental positioning of a

machine component.

Mechanical and electrical characteristics

Power supply Lithium battery CR2450 3.0 V

Battery life 5 years

Display 5-digit LCD of 8 mm height

and special characters

Reading scale -19999; 99999

Number of decimal digits programmable (1)

Unit of measure mm, inches, degrees

programmable (1)

Rotation max. speed 300/600/1000 r.p.m. (2)

programmable (1)

Precision 10.000 impulses/revolution

Protection level IP65 or IP67

Working temperature 0° C ÷ +50° C

Storing temperature -20° C ÷ +60° C

Relative humidity max. 95% a 25° C

without condensation

Interference IEC 61000-4-2

(1) See paragraph 8.2

(2) Default: 600 r.p.m.

Higher rotation speeds to 600 r.p.m. can be maintained for short

periods of time.

The value of the max speed affects the battery life.

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DD51-E

Direct drive electronic position indicators

3. Assembly

1. Drill a Ø 6x10 mm hole in the body of the machine with

a 22 mm centre distance from the shaft to t the rear

referring pin.

2. Fit the indicator onto the shaft and make sure that the

referring pin ts into the hole.

3. Clamp the bushing to the shaft by tightening the grub

screw with hexagon socket and cup end, according to

UNI 5929-85.

4. Turning on the system

After you have read and understood the section “Safety

Instructions”, proceed by switching on the indicator.

To turn the indicator on hold while pressing the key

The display will light up and the indicator will be ready to

be used.

4.1 Turning off the system (only for storage)

To turn the system off enter the programming mode, select

the

rESEt

parameter then press the key . At this

point, press the button for 5 seconds; the display will

turn off and the indicator will go into low power mode of

the battery.

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DD51-E

Direct drive electronic position indicators

5. Symbols on the display

1. Absolute / incremental mode

2. Battery

3. Unit of measure (mm/inch/degrees)

6. Key function

FUNCTION

KEY Operating

mode Programming mode

Access to the

programming mode

Parameter selection /

Conrm of parameter

change

Absolute or

incremental mode

selection

Digit increase /

programming

mode exit

Unit of measure

selection

Scroll for parameters /

digit selection

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DD51-E

Direct drive electronic position indicators

7. Operating mode

7.1 Absolute / incremental measuring mode selection

Press the key to select the absolute or incremental

measuring mode.

The measuring mode selected is shown on the display by

the symbols:

ABS

: absolute measuring mode

REL

: incremental measuring mode

It is possible to change the key function by

setting the parameter

__0__

The available options are:

ArCLr

(default): passing from

ABS

REL

the

counter is set to zero.

: passing from

ABS

REL

the counter is not set to

zero. In this case, the counter is set to zero by pressing

+ .

OFF

: the key is disabled and does not allow

changing the selected measuring mode.

To program the parameters listed above, see paragraph 8.2.

7.2 Unit of measure selection

Press the key to select the unit of measure needed. The

options available are millimeters, inches and degrees.

The measuring mode selected is shown on the display

by the symbols:

: millimeters -

INCH

: inches -

: degrees

__0__

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Direct drive electronic position indicators

It is possible to change the key function by

setting the parameter

____0

The available options are:

ALL

(default): units of measure that can be selected: mm,

inch, D

nodEG

: units of measure that can be selected: mm, inch

OFF

: the key is disabled and does not allow changing

the selected measuring mode.

To program the parameters listed above, see paragraph 8.2.

7.3 Setting the absolute reference

After having selected the absolute measuring mode and

stopped the shaft in the starting position

or in the reference position, press the key

combination to set the absolute value to the sum of the

values of the parameters

OrG

(absolute value of reference)

and

OFFS

(compensation value).

The value of compensation (offset) allows you to adjust the

value shown on the display in such a way that takes into

account, for example, wear or tool change. The system

allows you to store up to 10 values of compensation. Press

the key combination +. The screen will display

the last compensation value used (eg

OFS 0

). Choose the

desired compensation value by pressing the key , and

then press the key to conrm.

The screen will display the absolute value to the sum of the

values of the parameters

ORG

and

OFFS

To program the offset values, see parameter

OFFS

paragraph 8.2.

It is possible to change the function of the keys combination

____0

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DD51-E

Direct drive electronic position indicators

by setting the parameter

0_0__

The available options are:

L_OrG

: the reference value and the compensation

value are set as shown above. Choose the desired offset

among the 10 available values, then press the key

to conrm;

OFF

: the keys combination + is not associated

to any function in the operating mode

For programming the parameters listed above see paragraph

8.2.

7.4 Direct programming of the absolute reference value

(source) – of the compensation value (offset) – of the

reading after one revolution

The function of the keys combination allows direct access

to the programming of one of the following parameters,

depending on the value assigned to

parameter

0___0

The available options are:

P_OrG

: direct programming of the absolute reference

value (OrG parameter)

P_StP

: direct programming of the reading after one

revolution (StEP parameter)

P_OFS

: direct programming of the compensation value

(OFFS parameter)

OFF

: the keys combination +is not linked to

any function in the operating mode

For programming the parameters listed above see parameter

0___0

of paragraph 8.2.

7.5 Battery replacement

The internal lithium CR2450 – 3.0 V battery ensures over 5

0_0__

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DD51-E

Direct drive electronic position indicators

years battery life.

The symbol is shown on the display when the battery

replacement is required.

The replacement is made by simply removing the front cover

without disassembly of the indicator from the control shaft

and keeping unchanged all the conguration parameters.

To simply remove the battery from the battery compartment,

we recommend the use of a magnet.

8. Programming mode

Press the key for 3 seconds to enter the programming

mode. Depending on the setting of

PASS

parameter (see

table on page 28), the system may require you to enter a

password.

Press the key to scroll through the list of parameters.

Press the key to exit the programming mode. The

programming mode is automatically dropped after 30

seconds of inactivity.

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DD51-E

Direct drive electronic position indicators

8.1 Programming parameters with numeric values

Press the key to increase the ashing digit.

Press the key to select the next digit.

Press the key to conrm the value and go back to the

list of parameters.

The numeric values of the parameters

must be inserted taking into account the

selected unit of measure.

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