Elesa GN 9054 User manual

DD51-E (GN 9054)*
DD51-E-RF(GN 9154)*
Electronic digital position indicators
OPERATING INSTRUCTIONS
*(Product series valid only for Germany)

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DD51-E - DD51-E-RF
Models all rights reserved in accordance with the law. Always mention
the source when reproducing our drawings and photos.
Electronic digital position indicators
Contents
1. Safety Instructions 4
1.1 Product release information 5
2. Description 6
2.1 Version - DD51-E-RF 7
3. Installation 7
4. Display 8
5. Key functions 8
6. Switching on/off the device 11
6.1 Switching on the device 11
6.2 Switching off the device (for storage only)11
7. Operating mode 12
7.1 Reference points, origin and offset 12
7.2 Resolution 13
7.3 Absolute or relative measure selection13
7.4 Unit of measure selection 14
7.5 Reference measurement reset 14
7.6 Reference point setting 15
7.7 Direct programming of Origin, Offset
and Step parameters 15
7.8 Targets 16
7.8.1 Programming the targets 16
7.8.2 Load a target 16
7.8.3 Indications for reaching the target
position 16
7.8.4 Disabling the target 17
7.8.5 Display in target mode 17

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Electronic digital position indicators
7.9. Version - DD51-E-RF 18
7.9.1 Programming the Net ID and Net
CH parameters 18
7.9.2 Targets 19
8. Programming mode 19
8.1 Input of numeric parameters 19
8.2 Programmable parameters (in
alphabetical order) 20
8.3 Main menu tree 23
8.4 Target menu tree 25
8.5 Additional functions 25
8.5.1 Reset 25
8.5.2 LCD test 26
8.5.3 Device version 26
8.5.4 Password 26
9. Battery replacement 26
10. Display messages and troubleshooting 27

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DD51-E - DD51-E-RF
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Electronic digital position indicators
1. Safety Instructions
This document contains the safety instructions and mandatory
by law warnings that have to be supplied with the user manual
of products. This device has been designed and manufactured
in accordance with current legislation.
To keep the product in this state, it must be assembled and used
correctly, in strict compliance with the instructions contained in
this instruction manual and with the following specific safety
precautions. This manual is intended as an indispensable
supplement to the existing documentation (catalogues, data
sheets and assembly instructions).
Make sure that the user has read and understood the
instruction manual and in particular this chapter "Safety
instructions". In addition to the instruction manual, all legal
regulations regarding accident prevention and environmental
protection must be observed.
This device complies with Part 15 of the FCC Rules. Operation
is subject to the following two conditions: (1) this device may
not cause harmful interference, and (2) this device must accept
any interference received, including interference that may
cause undesired operation.
This equipment has been tested and found to comply with the
limits for a Class A digital device, pursuant to part 15 of the
FCC Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is
operated in a commercial environment.
This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance
with the instruction manual, may cause harmful interference
to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference in which
case the user will be required to correct the interference at his
own expense. To comply with FCC (for DD51-E-RF) exposure
compliance requirements, the antenna used for this transmitter
not be co-located or operating in conjunction with any other
antenna or transmitter.
Use without respecting the specific descriptions/
parameters, in combination with systems/machines/
processes to be controlled, can lead to product
malfunction, which causes:
- health hazards,
- environmental hazards,
- damage to the product and to its proper functionality.
The device must not be used:
- in explosion hazard areas;

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Electronic digital position indicators
- in medical / life support areas and equipment.
Do not open the equipment and do not make any modifications!
Modification of the equipment could adversely affect the reliability
of the device and could lead to hazards! Do not attempt any
repairs.
Always return any defective equipment to the manufacturer! Any
breach of the integrity of the device as delivered will invalidate
the warranty.
Configuration/Commissioning
In the event of abnormal behaviour (including change
of operating conditions), the device must be shut down
immediately. Installation and commissioning must only be
carried out by adequately trained and authorised personnel.
After correct assembly and commissioning, the device is ready
for operation.
Maintenance/repair
Switch off the power supply to the equipment before carrying
out any operation. Maintenance must be performed only by
trained and authorised persons.
Do not open or modify the indicator case. Tampering with this
product can compromise the correctness and accuracy of its
function.
In the event of a malfunction, do not attempt to repair the unit
and contact the Elesa sales office.
1.1 Product release information
Although almost all features are the same as in previous
releases, this manual specifically refers to devices updated to
firmware revision 6.0 or later.
Some menu items may not be described as they relate to
functionalities that are additional, experimental or reserved for
special use. In case of specific need, it is recommended to ask
the Elesa service staff for assistance.
Elesa reserves the right, without further communication, to
make improvements, additions, corrections to the menu items,
that do not modify or affect the described functionality of the
product but are necessary for the continuous improvement to
which these products are subjected.

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Electronic digital position indicators
2. Description
The DD51-E position indicators, with battery power supply,
can be used, mounted on pass-through shafts, to provide the
reading of the absolute or relative positioning of a machine
component.
Caratteristiche Meccaniche - Elettriche
Power supply Lithium battery CR2450 3.0 V
Battery life Up to 3 years
(up to 2 years for RF version)
Display 5-digit LCD of 8 mm height
and special characters
Reading scale 19999; 99999
Number of decimal digits programmable
Unit of measure mm, inches, degrees
programmable
Rotation max. speed 300/600/1000 r.p.m. (2)
programmable
Resolution 10.000 impulses/revolution
Protection level IP65 or IP67
Working temperature 0 °C ÷ +50 °C
Storage temperature -20 °C ÷ +60 °C
Relative humidity max. 95% a 25 °C
without condensation
Environment indoor use
Conditions of use For use in closed and
sheltered places only
Altitude up to 2000 m
(2) Default: 600 r.p.m.
A rotation speed higher than 600 rpm can only be maintained
for short periods of time.
The maximum speed value affects the battery life.
Battery life depends on the conditions of use (setup,
temperature, ...). The indicated value is an estimate made in
temperature conditions > 20 ° C and <30°C and default setup.
Furthermore, this value refers to the condition of the device
when it leaves the Elesa factory. Long storage times must
always be considered for the estimation of the battery life when
the device becomes operational.

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Electronic digital position indicators
2.1 Version – DD51-E-RF
The DD51-E-RF is compatible with Elesa wireless network
which allows meters and electronic indicators to communicate
via radio with a PLC.
Elesa wireless network is made by the following components:
- One control unit UC-RF
- Max 36 device as DD51-E-RF, DD52R-E-RF or MPI-R10-RF
The UC-RF exchanges information with the DD51-E-RF via
radio frequency and makes it possible to set the target position
and check the current position of each indicator. Through
an interface, available for the most common industrial buses
(ProfiNet, Ethernet/IP, Modbus/TCP, and others), the UC-RF
control unit allows the exchange of this information with a PLC
and/or a generic controller of the machine.
3. Installation
1.Drill a Ø 6x10 mm hole in the machine body with a 22 mm
centre distance from the shaft for mounting the rear reference
pin.
2. Mount the indicator on
the shaft and make sure the
reference pin fits into the hole.
3. Lock the bushing on the shaft
by tightening the grub screw
with a 2.5 mm hexagon socket
(as per UNI 5929-85).
Target positions
Current positions
PLC

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Electronic digital position indicators
4. Display
123
5
4
66
1. Relative mode indicator
2. Low battery level indicator
3. Connection indicator (only for DD51-E-RF)
4. Unit of measure: mm, inch
5. Unit of measure: degrees
6. Target position indications
5. Key functions

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Key Or Key
Combination
Operating
Mode
Programming
Mode
Keeping the key pressed
down for 3s activate
programming mode.
When in target mode, it
reacts to a short press
according to the setting
of item _ _ _ _ 0 of the
main menu (chap. 8.3):
d_tArG : When
a target is loaded,
the display shows
the current absolute
position. By pressing
the key, the position of
the destination to be
reached appears on the
display.
d_toGO [DEFAULT]:
when a target is loaded,
the display flashes the
distance from the current
position to the target
position to be reached.
By pressing the key, the
current absolute position
will appear on the display.
OFF : the function is
disabled.
Select the item
menu or
confirm selection
or
insertion
of the
parameter value

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Electronic digital position indicators
Select the measure mode:
ABS : absolute measure
mode
REL : relative measure mode
It is possible to choose one
of the following options (see
item __0__ of the menu -
chap.8.3):
ArCLr [DEFAULT]: when
changing from ABS to REL
the counter is reset
Ar : when changing from
ABS to REL the counter is
not reset.
OFF : the function is disabled.
Digit increase
selected /
exit
Unit of measure selection.
The available options are:
millimetres, inches and
degrees.
It is possible to choose one
of the following options (see
item 0_____ of the menu
– chap. 8.3):
ALL [DEFAULT]:
selectable units of
measure: mm, inch, D
nodEG : selectable units of
measure: mm, inch
OFF : the function is disabled.
Scroll down
the list of
possible
selections
or menu
items / select
the next digit
+
Programmable for one of
the following functions (see
menu item 0 _ _ _ _ 0 –
chap.8.3):
P_OrG [DEFAULT]: shows
and allows you to set the
OriGin parameter.
P_StP : shows and allows
you to set the StEP
parameters.
P_OFS : shows and allows
you to set the OFFS
parameters.
OFF : the combination is
disabled.
N/A

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+
In relative measure mode,
resets the measure.
In absolute measure mode it
is programmable for one of
the following functions (see
menu item _0 _ 0 – chap.8.3):
L_OFS [DEFAULT]:
select one of the offsets (see
chap.7.6 and 7.7).
SetOrg:the key combina-
tion allows to reset the origin
(see chap. 7.5)
OFF : the combination is
disabled.
N/A
Note: the words: increase, decrease, up and down, refer to
the direction of the arrow in the default configuration as shown
in the figure. By changing the orientation of the display, the
meaning of the keys is reversed accordingly.
6. Switching on/off the device
6.1 Switching on the device
After reading and understanding the “Safety Instructions”
section, proceed by switching on the indicator.
To switch on the indicator, hold down while pressing the
key . The display will switch on and the indicator will be
ready for use.
ATTENTION: When the device is turned on, especially after a
long period of storage, it is possible that some segments of
the display remain abnormally lit during the startup phase. The
phenomenon is transitory and does not affect correct operation
and use of the device as it will disappear in a short time.
6.2 Switching off the device (for storage only)
To switch the system off:
- select the rESEt item from the main menu (see chap.8.3)
-using the key , scroll through the items to select OFF.
- press the key to confirm. The display will switch off and
the indicator will go into sleep mode.

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Electronic digital position indicators
7. Operational mode
7.1 Reference points, origin and offset
When the device is turned on or reset, the position of the shaft
at that moment is set as the origin of the measure.
The value attributed to this position is given by the parameters,
Origin and Offset, which can be set by the user. Origin is an
arbitrary number that can be set in the range -19999÷99999
depending on the resolution set and is to be considered as the
machine’s limit switch value in its default conditions.The offset
is added to Origin which is always an arbitrary value that can
be set in the range -19999÷99999 depending on the resolution
and which allows you to move the actual origin of the measure
based on any changes in the machine configuration.
For example, a certain set point can operate different tools with
relative displacements of the point of origin. For example, in
the case of a tube cutting machine the device indicates the
position of the stop that determines the length of the tube. The
limit switch point is fixed but it does not necessarily correspond
to a zero length of the tube and therefore Origin will be different
from zero but always the same.
However, the machine makes it possible to mount different
blades depending on the type of tube and these can have
different positions and/or thicknesses.Therefore the actual
length will have to be corrected with a determined value which
will be memorised as an offset.
For greater flexibility of use, the DD51-E permits storage of up
to 10 different offset values. To program the offset values see
the OFFS parameter in chap. 8.2.
However, during installation and for other specific applications,
it is useful to be able to reset the internal reference value in
another position. For this purpose, see chap. 8.5.1.
WARNING:The value of the Origin parameters and the offsets
are the same for the mm and inch units of measure and are
displayed, depending on the unit of measure in use (see
chap. 7.4), with the appropriate conversion coefficient.In the
case of degrees, these parameters are totally different and
independent from the previous ones.

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Electronic digital position indicators
7.2 Resolution
The device manages different measure display resolution values
for each of the three units of measure managed (mm, inch and
degrees). The same display resolution set is used to set different
parameters such as Origin, offsets and targets.
WARNING: If the resolution of one of the units of measure is
changed, to avoid setting errors, all the parameters that are
affected are reset: Origin, offset, etc.: It is therefore advisable
to decide and set the display resolution of all units of measure
as a first step in installing the device.To make the most of the
device's measure capacity, the resolution is automatically
reduced if the measure to be displayed exceeds the capacity
of the display. The measure on the display will flash.
In this case, the resolution variation is temporary (it is restored
if the display is able to display the measurement with the set
resolution) and has no effect on the set parameters.
7.3 Absolute or relative measure selection
Press the key to select the absolute or relative measure
mode. The relative measure mode is indicated on the display
by the symbols:
ABS: absolute measure mode
REL: relative measure mode
__0__
It is possible to change the function of the key
by choosing one of the options available in the
menu item _ _ 0 _ _
The available options are:
- ArCLr (default): when changing from ABS to REL the
counter is reset.
- Ar : when changing from ABS to REL the counter is not reset.
In both cases, only in relative measure mode, the counter is set
to zero by pressing + .
- OFF : the key is disabled and it is not permitted to
change the measure mode.
7.4 Unit of measure selection

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Electronic digital position indicators
Press the key to select the required unit of measure.
The available options are millimetres, inches and degrees.
The selected measure mode is indicated on the display by the
symbols:
- mm : millimeters - INCH : inches - D : degrees
0____
It is possible to change the function of the key
by choosing one of the options available in the
menu item. 0_ _ _ _
The available options are:
- ALL (default): selectable units of measure: mm, inches and
degrees.
- nodEG : selectable units of measure: mm, inch
- OFF : the key is disabled and it is not permitted to
change the selected measure mode.
7.5 Reference measurement reset
It is possible to reset the internal reference of the measure
device in the two ways described below:
By keeping the key + pressed for more than 3s,
the SEtOrg message is displayed. Pressing the button to
confirm the choice ant to reset the origin point to the current
position. Alternatively, the Reset command can be used as
described in chap. 8.5.1.
Press the key to confirm the choise and to reset the origin
point to the current position. It is also possible to enable the pair
of keys + , to reset the internal reference see chap.
7.6. In this case when the two keys are pressed at the same
time, the message SEtOrg is diplayed.
7.6 Reference point setting

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Electronic digital position indicators
Using this key combination +it is possible to reset
the measure references of the device by loading the origin
value and an offset value (see chap. 7.1).
By pressing the key combination + the screen will
show the last offset value used (e.g OFS 0 ). It is possible
to select the desired offset value by pressing the key and
then confirm by pressing the key .
The screen will display the correct current measure value with
the stored Origin value plus that of the selected offset.
__0_0
It is possible to change the function of the key
combination by choosing one of the options
available in the menu item _ _0 _0
The available options are:
- L_OFFS : the key combination allows you to select an offset .
- SetOrg: the key combination allows to reset the origin (see
chap. 7.5).
- OFF : the key combination +is disabled.
WARNING:This function is available only in absolute
measure mode.
7.7 Direct programming of Origin, Offset and
Step parameters
The key combination + allows direct access to the
programming of one of the following parameter: Origin, Offset
or Step.
0___0
It is possible to change the function of the
key combination by choosing one of the
options available in the menu item 0 _ _ _ 0.
The available options are:
- P_OrG : direct programming of the absolute reference
value (Origin parameter)
- P_StP : direct programming of the reading after one

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Electronic digital position indicators
revolution (Step parameter)
- P_OFS : direct programming of the offset value (OFFS
parameter).
- OFF : the key combination +is disabled.
7.8 Targets
The DD51-E allows you to set up to 32 target positions allowing
you to store any relevant and frequently used settings.
7.8.1 Programming the targets
To program the targets:
- select tArGE in the main menu (see chap. 8.3)
- select PrOGt (see chap. 8.4)
- select the desired memory location (from PtG01 to PtG32 )
using the keys and .
- press the key to select.
- follow the instructions in chap. 8.1 to set the desired value.
7.8.2 Load a target:
To load a target:
- select tArGE in the main menu (see chap. 8.3)
- select LOAdt (see chap. 8.4)
- select the desired target value (from LtG01 to LtG32 )
using the keys and .
- Press the key to select.
- The selected target value is displayed.
- Press again to confirm or press to return to the
target selection list.
7.8.3 Indications for reaching the target position
When a target is selected it is sent by the PLC (RF version
only), the device will sug gest the direction of rotation of
the shaft to reach the target through the symbols of

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Electronic digital position indicators
the target position indicators.
It is possible to set an acceptable tolerance value for the
targets through the PtOLL parameter so that the target
position is considered to have been reached when the
difference between the set target and the current position
is less than PtOLL in absolute value.
The target position indicators work, depending on
the, dir and PtOLL parameters, as in the following
table:
T = target value set
M = actual measure
Toll = tolerance (see PtOLL )
dir –o dir o--
M < T - Toll
(blinking) (blinking)
T - Toll ≤ M < T
M = T
T < M ≤ T + Toll
M > T + Toll
(blinking) (blinking)
7.8.4 Disabling the target
If a target is active, it can be cancelled by accessing
programming mode and selecting the StOP_tG option.
7.8.5 Display in target mode
By pressing the key when a target is active, you can view
the current position or the target position depending on the
device settings.
____0
It is possible to modify the function of the key
and the target mode by selecting one of the
options available in the menu item _ _ _ _0 (see
chap. 8.3)
The available options are:
- OFF: the key is disabled. This setting is related to the

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Electronic digital position indicators
target mode. Other functions are not involved.
- dtArG (default): when a target is activated, the display
shows the actual absolute position and the indication to reach
the target (see chap. 7.8.4).
Pressing the key shows the set target position.
- dtoGo : when a target is activated, the display flashes
showing the distance from the set target and the indication to
reach the target (see chap. 7.8.4). When the target is reached,
less than the set tolerance, the display shows the current
position and stops flashing.
Pressing the key ,the display shows the current absolute
position.
7.9 Version - DD51-E-RF
7.9.1 Programming the Net ID and Net CH
parameters
Each RF device is defined within the Elesa wireless network by
the following two parameters:
nEt id : this is a number between 0 and 99 and differentiates
different subnets allowing different systems to work on the
same RF channels.
nEt ch : this is the RF transmission channel and can be set
from 1 to 36. Two or more devices set to the same Net CH
cannot have the same Net ID.
These parameters can be configured in the indicator’s Radio
menu (see chap. 8.2) and must be set according to the PLC
settings to ensure perfect communication with UC-RF.
WARNING: In pre-existing systems in which a UC-RF with
a firmware release prior to 0F051120 is used (for more
information refer to the UC-RF manual) it is necessary to take
into consideration that the Net CHs are out of phase by 3
channels. In practice, a DD51-E-RF set with Net CH = 1 will
communicate with UC-RF on CH = 4 and so on for the following
channels.
It will not be possible for DD51-E-RF with firmware revision
6.0 or later to communicate with older generation UC-RF on
channels 1 to 3.

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Electronic digital position indicators
7.9.2 Targets
Using the DD51-E-RF, the target positions can be sent from
the PLC to the indicators via the UC-RF control unit. When a
target is transmitted, it behaves in the same way described in
chap. 7.8.
WARNING: If the target transmission on UC-RF is enabled, it
will be refreshed on the DD every time a communication occurs.
Consequently, before disabling the target on the device (see
chap. 7.8.5), disable the target transmission on UC-RF.
8. Programming mode
Press the key p for 3 seconds to access programming
mode. Depending on the setting of the PASS parameter (see
chap. 8.5.4), the system may ask for a password to be entered.
Press the key to scroll through the list of menu items or
parameters and select the desired one by pressing the key
. Press the key to return to the previous menu level
(when allowed) or exit programming mode. Programming mode
is automatically exited after 30 seconds of inactivity.
8.1 Input of numeric parameters
Press the key the selected digit, flashing, increases in
value up to 9 and then returns to 0.
If the first digit on the left is selected and the parameter can
assume negative values, -1 will be displayed after digit 9 and,
by pressing the key again, -.
It is possible to select the digit to be changed by pressing the
key With each press, the digit to the right of the current
one will be selected. If the selected digit is already at the far
right of the display, the selection will jump to the first digit
on the left.
Press the key to confirm the value entered. If the
confirmed parameter is different from the one currently stored,
the display will show the message CHAnGd .
WARNING: It is not possible to cancel the insertion of a
parameter value but only to confirm the displayed one. If you

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Electronic digital position indicators
do not want to change the value already stored, it is obviously
possible to set it to the same value as before and check that
the word CHAnGd . does not appear. Or, by waiting 30s, the
device will exit programming mode without saving the changes.
The value of any modified parameters is stored only when
exiting the programming mode. If the operation was successful,
the display will show the messag StorE.
8.2 Programmable parameters (in alphabetical order)
Parameter Description Available options Default
dir
Direction of
measure.
Sets the
positive
rotation
direction of
the shaft.
--o anticlockwise
o-- clockwise
--o
diSP
Display
orientation
0°
180°
180°