Elesa DD51-E Instructions For Use Manual

Direct drive electronic position indicators

2.0 Software Version

INSTRUCTIONS FOR USE

DD51-E

ELESA S.p.A. Via Pompei, 29

•

20900 Monza (MB) Italia • Tel. [phone] • Fax [phone] • [e-mail]

Art. Nr. ZDOIU-DD51E-R01

Models all rights reserved in accordance with the law. Always mention the source when reproducing our drawings.

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 specific 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 environmental protection.
This manual is intended as an indispensable supplement to the existing docu­mentation (catalogues, data sheets and assembly instructions).

The use without complying with the descriptions / specific 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 office.

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% to 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.

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 fit the
rear referring pin.

2. Fit the indicator onto the shaft and
make sure that the referring pin fits
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.

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 /
Confirm of parameter change

Absolute or
incremental mode selection

Digit increase /
programming mode exit

Unit of measure selection

Scroll for parameters /
digit selection