ElEsa DD51-E Electronic Digital Position Indicators Instruction Manual

DD51-E Electronic Digital Position Indicators
Instruction Manual

DD51-E Electronic Digital Position Indicators

Safety Instructions

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 5reasonable 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.
IMPORTANT NOTE (only for RF version): To comply with FCC 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;

• in medical/life support areas and equipment.

Do not open the equipment and do not apply 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. Changes or modifications not expressly approved by the manufacturer could void the user’s authority to operate the equipment.
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.
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.

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 – ElAttrache

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 Elsa factory. Long storage times must always be considered for the estimation of the battery life when the device becomes operational.
2.1 Version – DD51-E-RF
The DD51-E-RF is compatible with Elsa 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.

 Installation

1. Drill a Ø 6×10 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).

Display

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 in the version with FW 6.1.99 the indication of the unit of measurement in degrees is a D in position 4)
6. Target position indications (these indicators are absent in the version with FW 6.1.99)

**Key functions

**

When in target mode, it reacts to a short  ress according to the setting of item 0 of the main menu (chap. 8.3):
: 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 thedisplay.
[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
: the function is disabled.| Select the item menu or confirm selection or insertion
of the parameter value
| 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):
  [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: millimeters, inches and degrees.
It is possible to choose one of the following options (see item   of the menu – chap. 8.3):
ALL [DEFAULT]: selectable units of measure: mm, inch, D
: selectable units of measure: mm, inch
OFF: the function is disabled.| Scroll down  he list of possible selections or menu
items / select the next digit
| Programmable for one of the following functions (see menu item
chap.8.3):
  [DEFAULT]: shows and allows you to set the Origin parameter.
: shows and allows you to set the OFFS parameters.
: shows and allows you to set the StEP parameters.
OFF: the combination is disabled.| N/A
| 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):
  [DEFAULT]:
select one of the offsets (see chap.7.6 and 7.7).
SetOrg: the key combination 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.

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:

• sing the key    select the rESEt item from the main menu (see chap.8.3)
• press the key , scroll through the items to select OFF. to confirm. The display will switch off and the indicator will go into sleep mode.

 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 memorized 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.
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 It is possible to change the function of the key by choosing one of the options available in the menu item
The available options are:

• (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
Press the key to select the required unit of measure. The available options are millimeters, inches and degrees. The selected measure mode is indicated on the display by the symbols:

• mm: millimeters
• INCH: inches
• D : degrees

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.
• : 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 of the device for the measurement by enabling the appropriate SetOrg function of 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.
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.
7.6 Reference point setting
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). 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:

• : the key combination allows you to select an offset .
•  Set Org: 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.
If the OFFS option has been selected, pressing the key combination   lwill display the last used offset value (e.g. OFFS 0). It is possible to choose the desired compensation value among the 10 memorized by pressing the key . Then, by pressing the key , the selected offset value will be loaded and used in the measurement. By pressing the key , the operation will be cancelled. If the SEtOrg option has been selected, pressing the key combination   the screen will show SEtOrg. By pressing the   the origin of the measurement will be moved to the current position and the display will show the value of the origin point given by the value of Origin + Offset.
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. 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 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 key .
• 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:

• selecttArGE 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 key    .
•  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 the target position indicators (from fw version 6.2).
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 Poll 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 StOPt option.
WARNING: while a target is active, it will not be possible to change the unit of measurement, set the origin and other functions accessible from the keyboard. The absolute or relative measurement function remains available but remember that the target values both stored on the device and sent via RF always refer to the absolute value.
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. 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 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. 7.8.3).
  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. 7.8.3). 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:
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.
ATTENTION: some Noetiids may conflict with each other, we recommend consulting the document Elesa-R&D-DDEMAN005-01en – NetIQ – allowed values – feb 23 and for more detailed information or the UC-RF user manual updated to version R02 or later.
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. 7.8.4), disable the target transmission on UC-RF.

Programming mode

Press the key 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.
WARNING: When programming the parameters, the bushing must be locked in the current position, otherwise there is the possibility of obtaining a false measurement once you exit the programming mode. If this is not possible, it is recommended to check the device setting once back in measurement mode.
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 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)

| Direction of measure. Sets the positive

rotation direction of the shaft.

| anticlockwise
o– clockwise| –o
| Display orientation| |

__

| Offset values| It is possible to store up to 10 offset value: OFS 0 … OFS 9
The settable values depend on the resolution set as follows:
Res = 1 : -19999 ÷ 99999
Res = 0.1 : -1999.9 ÷ 9999.9
Res = 0.01: -199.99 ÷ 999.99
Res =0.001: -19.999 ÷ 99.999| 0
Parameter| Description| Available options| Default
---|---|---|---
| Reference value| The settable values depend on the resolution set as follows:
Res = 1 : -19999 ÷ 99999
Res = 0.1 : -1999.9 ÷ 9999.9
Res = 0.01: -199.99 ÷ 999.99
Res =0.001: -19.999 ÷ 99.999|
| Tolerance of target position| The settable values depend on the unit of measure in use:
mm: 0.01 ÷ 9.99
inches: 0.001 ÷ 0.393
degrees: 0.01 ÷ 9.99| mm: 0.10
inches: 0.004
Degrees: 0.10
| RF settings| nEt id: id00 ÷ id99
nEt ch: ch01 ÷ ch36| Netid: 00
Netch: 01
| Resolution of the displayed measure| Depending on the unit of measurement, the permitted values are:
mm: 1 ; 0.1 ; 0.01
inches: 1 ; 0.1 ; 0.01 ; 0.001
degrees: 1 ; 0.1 ; 0.01
An independent resolution is stored for each unit of measure.| mm: 0.01
inches: 0.001
degrees: 0.01°

| Maximum permitted shaft rotation speed| |
Parameter| Description| Available options| Default
---|---|---|---
| Conversion coefficient between the number of shaft rotations and the selected unit of measure| The programmable values depend on the selected unit of measure:
mm: 0.01 ÷ 999.99
inch : 0.001 ÷ 99.999
degrees: 0.01 ÷ 999.99
The step value for mm and inch is the same except for the appropriate conversion when viewing the measure. The Step value for degrees is, on the other hand, independent.|
| Display mode when the target is active.
In the menu appears as the setting for the key ( 0)| ** or
_dtArG : ** See chap. 7.8.5.| ****

TG 32.
The settable values depend on the resolution set as follows:
Res = 1 : -19999 ÷ 99999
Res = 0.1 : -1999.9 ÷ 9999.9
Res = 0.01: -199.99 ÷ 999.99
Res =0.001: -19.999 ÷ 99.999|

8.3 Main menu tree * The values must be divided by the number of decimal places of the resolution set. The revision code may vary depending on the actual revision of the firmware loaded on the device.
8.4 Target menu tree
* The values must be divided by the number of decimal places of the resolution set.
8.5 Additional functions
8.5.1 Reset
To restore the factory settings on the device:

• select the voice rESEt from the main menu (see chap. 8.3)

•  using the key select ALL.

•  press the key to confirm.
  To reset the only internal reference measure:

• select the voice rESEt from the main menu (see chap. 8.3)

•  using the key   selezionare OrG.

•  press the key   to confirm.
  To exit the reset command, press the key or:

• using the key select No.

• press the key to confirm.

8.5.2 LCD test
The LCDs item in the main menu allows you to turn on all the segments and symbols of the display to check that it is working correctly.
8.5.3 Device version
The device version code is displayed as the last item of the main menu, with the r as the first character. By pressing the key several times, other data are displayed which, if support is required, must be noted and provided to Elesa.
WARNING: A variation of the last two digits in the revision code has no impact on the device’s features and performance.
8.5.4 Password
You can avoid unwanted access to the device menu by choosing “on“ in the PASS menu item. In this case to enter the menu the password 22011 must be inserted.

Battery replacement

The internal lithium battery CR2450 – 3V guarantees a battery life up to 3 years (up to 2 years for RF). The symbol   appears on the display when the battery needs replacing. To replace the battery, simply remove the battery cover without removing the indicator from the drive shaft, keeping all the configuration parameters unchanged. The cover is screwed with two TORX T6 screws. To facilitate the removal of the battery from the battery compartment, the use of a magnet is recommended.

 Display messages and troubleshooting

continues to correctly measure the position of the shaft. If the measured value is within the capacity of the display, it will be shown correctly. If you are viewing a parameter, the problem may be due to the difference in units of measure between when it was set and when it is displayed. Change the current unit of measure and try again to view the parameter. Attempting to change a parameter when the display shows
—- , automatically returns the parameter to the first value that can be displayed, losing the initial setting.

| The shaft has exceeded the maximum permitted rotation speed.| Press the key to go back to reading the measured value.

Flashing battery symbol

| ****

Low Battery

| Replace the battery as soon as possible (see chap. 9).

EU DECLARATION OF CONFORMITY (DoC)

Declare that the DoC is issued under our sole responsibility and belongs to the following product:

The object of the Declaration described above is in conformity with the relevant Union Harmonization
Legislation: 2014/30/UE (EMC): Electromagnetic Compatibility Directive 2011/65/UE (RoHS): Restriction of the use of certain Hazardous Substances in electrical and electronic equipment
The following harmonized standards and technical specifications
have been applied: 61326-1:2013
Notified Body:
Not Involved (Annex II – Conformity Assessment Module A)
Additional information:
Software Version: 5.1 or higher

EU DECLARATION OF CONFORMITY (DoC)

Declare that the DoC is issued under our sole responsibility and belongs to the following product:
PRODUCT: Electronic Position Indicators
APPARATUS MODEL: DD51-E-RF
TRADE MARK: Elesa
The object of the Declaration described above is in conformity with the relevant Union Harmonization Legislation:
2014/53/EU (RED) Radio Equipment Directive 2011/65/UE (RoHS) Restriction of the use of certain Hazardous Substances in electrical and electronic equipment
The following harmonized standards and technical specifications have been applied:

• 62311:2008
•  61010-1:2010
•  301 489-1 V2.1.1
•  301 489-1 V2.2.3
• 301 489-17 V3.1.1
• 301 489-17 v3.2.2
• 61326-1:2013
•  300 328 V2.2.2

Notified Body:
Not Involved (Annex II – Conformity Assessment Module A)
Additional information:
Software Version: 5.1 or higher

Elesa S.p.A., Monza, September 2023
The texts and examples have been written with great care, nonetheless, mistakes can always happen.
The Company Elesa S.p.A. can neither be held legally responsible nor liable for lacking or incorrect information and the ensuing consequences.
The Company Elesa S.p.A. reserves the right to alter or improve the electronic position indicators or parts of them and/ or the enclosed brochures without prior notice.
Models all rights reserved in accordance with the law. Always mention the source when reproducing our drawings and photos.

ELESA S.p.A.
Via Pompei, 29
20900 Monza (MB) Italy
phone +39 039 28111
[email protected]
www.elesa.com
© COPYRIGHT ELESA 2023
Art. Nr. ZZDOIU-DD51E-EN-R02
DDEMAN-001-12IT

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