OCEM LIMS Gebrauchsanweisung

Document UT-MT-0872-EN Page 1 of 37

Via della Solidariet , 2/1

40056 Valsamoggia Loc. Crespellano

BOLOGNA ITALY

Edition 08/04/2020 Supersedes edition 27/08/2019

Via della Solidariet 2/1 – 40056 Valsamoggia - Italy

THIS COPY IS NOT SIGNED SINCE IT IS FILED AND DELIVERED BY MEANS OF THE AUTOMATIC KNOWLEDGE MANAGEMENT SYSTEM (IT CAN BE SIGNED ON REQUEST). THIS DOCUMENT AND THE DATA CONTAINED HERE IN, IS

PROPRIETARY PROPERTY AND SHALL NOT BE DUPLICATED, USED OR DISCLOSED – IN WHOLE OR IN PART – FOR ANY PURPOSE WITHOUT WRITTEN CONSENT OF OCEM.

LED LUMINOUS GUIDANCE SIGN

LIMS

INSTRUCTION MANUAL FOR USE, INSTALLATION

AND MAINTENANCE

Compiled by: P. Corinto Approved by: M. Mazzotti

V. Rossi

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INDEX

INDEX ................................................................................................................................................. 2

INDEX OF FIGURES ............................................................................................................................. 3

INDEX OF TABLES ............................................................................................................................... 3

1 GENERAL ......................................................................................................................... 5

2 CLASSIFICATION OF SIGNS ............................................................................................... 5

2.1 Type ................................................................................................................................ 5

2.2 Legend Sizes ................................................................................................................... 5

3 MAIN FEATURES ............................................................................................................. 6

3.1 Signs Description ............................................................................................................ 6

3.1.1 Frame .................................................................................................................... 6

3.1.2 Supports ................................................................................................................ 7

3.1.3 Panels .................................................................................................................... 7

3.1.4 LEDs Luminous Source .......................................................................................... 8

3.1.5 Electrical circuit ..................................................................................................... 8

3.1.6 Protection earthing ............................................................................................. 10

3.1.7 Models ................................................................................................................ 10

3.1.8 Monitoring Option .............................................................................................. 11

3.2 Part Number Identification .......................................................................................... 12

3.3 Environmental data ...................................................................................................... 12

3.4 Electrical Data ............................................................................................................... 13

3.5 Luminance Data ............................................................................................................ 14

4 INSTALLATION .............................................................................................................. 15

4.1 Option 70 Bird Spikes ................................................................................................... 18

5 MAINTENANCE ............................................................................................................. 19

5.1 Periodical Checks .......................................................................................................... 19

5.2 LEDs Luminous Source Replacement ........................................................................... 19

5.3 Electronic Card Replacement ....................................................................................... 23

5.3.1 Series Circuit Signs .............................................................................................. 23

5.3.2 Parallel Circuit Signs ............................................................................................ 25

5.4 Front Panel Replacement ............................................................................................. 28

5.5 Electronic Equipment Replacement ............................................................................. 31

5.6 Troubleshooting ........................................................................................................... 32

5.6.1 Series Signs .......................................................................................................... 32

5.6.2 Parallel Signs ....................................................................................................... 32

6 DRAWINGS ................................................................................................................... 33

6.1 Wiring diagram series signs .......................................................................................... 33

6.2 Wiring diagram parallel signs ....................................................................................... 35

7 LIST OF RECOMMENDED SPARE PARTS .......................................................................... 36

8 ACCESSORIES ................................................................................................................ 37

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INDEX OF FIGURES

Figure 1: Exploded view .................................................................................................................... 6

Figure 2: Frame.................................................................................................................................. 6

Figure 3: Support ............................................................................................................................... 7

Figure 4: Panels ................................................................................................................................. 7

Figure 5: LEDs luminous source......................................................................................................... 8

Figure 6: Electronic board ................................................................................................................. 8

Figure 7: Overall dimensions ........................................................................................................... 10

Figure 8: Electromechanical relay ................................................................................................... 11

Figure 10: Side by side installation (up), front back installation (down) ........................................ 16

Figure 11: Foundation ..................................................................................................................... 17

Figure 12: Wiring diagram (series sign without circuit stabilizer)................................................... 33

Figure 13: Wiring diagram (series sign with circuit stabilizer) ........................................................ 34

Figure 14: Wiring diagram (parallel signs powered at 110-230 VAC) ............................................. 35

INDEX OF TABLES

Table 1: Types of signs....................................................................................................................... 5

Table 2: Legend Sizes ......................................................................................................................... 5

Table 3: Signs dimensions ............................................................................................................... 10

Table 4: Sign-strip length combination ........................................................................................... 11

Table 5: Environmental Data ........................................................................................................... 12

Table 6: Power consumption at maximum luminance for series and parallel powered signs. ...... 13

Table 7: Isolating Transformer Size [Watt] without Circuit Stabilizer............................................. 13

Table 8: Isolating Transformer Size [Watt] with Circuit Stabilizer .................................................. 14

Table 9: Typical Photometric Performance ..................................................................................... 14

Table 10: Foundation sizes .............................................................................................................. 17

EDITIONS

er.

Date Description Authors Reviewers Approver

1.0 20/01/2017 FIRST ISSUE P. CORINTO E. RAULI M. MAZZOTTI

2.0 30/04/2018 GENERAL UPDATES P. CORINTO/V. ROSSI E. RAULI M. MAZZOTTI

3.0 27/09/2018 UPDATE SPARE PARTS M.BACCIGLIERI E. RAULI M.MAZZOTTI

4.0 10/01/2019 GENERAL UPDATES M.BACCIGLIERI P. CORINTO M.MAZZOTTI

5.0 27/08/2019 GENERAL UPDATES P. CORINTO M.BACCIGLIERI M.MAZZOTTI

6.0 08/04/2020 UPDATE SIGN D2 SECTION

AND GENERAL UPDATES

K.VELIU/P. CORINTO M.BACCIGLIERI M.MAZZOTTI

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LIST OF ATTACHMENT

Reference n° Document Code Description

ABBRE IATIONS AND TERMS

Term or abbreviation Description

LED Light Emitting Diode

ICAO International Civil Aviation Organization

EASA European Aviation Safety Agency

CCR Constant Current Regulator

FAA Federal Aviation Administration

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1GENERAL

The internally LEDs illuminated LIMS signs are designed to be used on airport taxiways and runways

to convey a mandatory instruction, information on a specific location or destination on a

movement area or to provide other information to meet the requirements of Surface Movement

Guidance.

LIMS are single face signs in compliance with ICAO - Annex 14 Vol.1, EASA CS-ADR-DSN Chapter N

and NATO-STANAG 3316. White on Red, Yellow on Black and Black on Yellow colour combination

may be ordered with any desired message.

The signs described in this manual are manufactured to be used on airport series circuits, through

isolating transformers, powered by 5-step (2.8 A - 6.6 A), 3-step (4.8 A - 6.6 A), and 1-step (6.6 A)

Constant Current Regulators.

The signs can be powered also by a parallel circuit voltage range 110-240 VAC, 50/60 Hz .

Consult ICAO Specs - Annex 14 and ICAO Aerodrome Design Manual - Part 4 for sign features and

use.

2CLASSIFICATION OF SIGNS

2.1 Type

Mandatory signs White legend on Red background

Location signs Yellow legend on Black background

Information (direction, destination,

boundary) sign Black legend on Yellow background

Table 1: Types of signs

A sign may consist of multiple arrays of the above messages.

2.2 Legend Sizes

Height of large legend 400 mm

Height of mid legend 300 mm

Table 2: Legend Sizes

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3MAIN FEATURES

3.1 Signs Description

The signs practically include the following sections (Figure 1):

A. Frame

B. Supports

C. Panels

D. LEDs luminous source

E.Electronic board

3.1.1 Frame

The frame principally consists of a bearing

bottom structure, two sides and one top

cover (Figure 2).

Bottom structure, sides and top cover are

made of extruded aluminium profiles,

realized according to our design.

The signs are equipped with a single top

cover, locked to the main structure by means

of four hexagonal knob. The main structure is

white outside painted (other colours are

available on request).

Figure 1: Exploded view

Figure 2: Frame

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3.1.2 Supports

Each support includes a pole,

a BREAKABLE COUPLING KIT

and a floor flange (Figure 3).

All components are made of

aluminium. The supports are

fixed to the structure with

“C” clamps.

3.1.3 Panels

The panels enclosed in the frame are (Figure 4):

•Text panel

•Light-guide panel

•Back panel

The text panel is made of

polycarbonate 4 mm thick.

The light-guide panel is made of

methacrylate, while the back

panel is made of a composite

material.

The legend is obtained by

means of adhesive coloured

translucent films applied to the

internal side of the text panel.

Figure 3: Support

Figure : Panels

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3.1.4 LEDs Luminous Source

The signs are illuminated by strips LEDs

(Figure 5) inserted in suitable supports.

High efficiency white LEDs are used, with

an average life of 60.000 hours.

The positioning of the LEDs has been

determined through photometric tests in

order to meet the luminance values as

required by ICAO Specs - Annex 14.

Three different strips lengths are used

(720, 960 and 1200 mm) for the different

signs lengths (see Table 4).

3.1.5 Electrical circuit

Constant Current supply (AGL Series Circuit)

Signs for constant current series circuits are equipped with an

electronic current converter housed inside a water proof

aluminium box, mounted on a side of the external frame.

About the luminance levels, two versions are available:

-1 luminance level over the whole input current range 2.8

A ÷ 6.6 A;

-2 luminance levels depending on the input current

value: in the standard version the current threshold at

which the luminance level changes is 5.9 A (but

optionally this threshold is customizable).

An option in available to monitor the light sources status,

compliant with the fail open operation (see 3.1.8).

Further, to facilitate the feeding of the sign with different

topologies of CCR, an optional stabilization circuit is available,

composed by an inductor and a capacitor (see Figure 12Figure

12: Wiring diagram (series sign with circuit stabilizer).

For the electrical connection to the isolating transformer the sign is equipped with a two-pole

cable lead with L-823 plug, style 1, protected by a corrugated pipe.

The sign is also equipped by an external disconnecting switch (main switch), which allows to light

off the sign and at the same time short circuit the isolating transformer. The main switch permits

to light off the sign without disconnecting it from the series circuit.

Figure 5: LEDs luminous source

Figure 6: Electronic board

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The main switch MUST BE OPERATED ONLY WITH THE CCR OFF.

In general the CCR must be turned off before any intervention on the sign.

See Figure 11 and Figure 12 for the two types of wiring diagram of the signs (without and with

stabilization circuit).

Parallel circuit voltage supply (110 -240 VAC, 50/60 Hz) (OPTION)

An option is available that permits to fed the sign through a parallel circuit voltage supply 110-

240VAC, 50/60 Hz.

In this case the luminance level is constant and the monitoring of the sign status is not available.

For the electrical connection to the AGL circuit, the sign is equipped with a three-pole cable lead

with L-823 plug, class B.

CAUTION: The three-pole plug are interconnectable with receptacle connector, take necessary

measures to avoid dangerous connection.

Wiring: Please refer to the table below and see Figure 13 for correct wiring of the sign powered at

230VAC.

（a）Connect the PE wire (green/yellow) of the sign to PE (green or green/yellow) of the power

supply network.

（b）Connect the L wire (brown) of the sign to Live (black, brown or red) of the power supply

network.

（c）Connect the N wire (blue) of the sign to Neutral (white or blue) of the circuit supply.

The sign is also equipped by an external disconnecting switch (main switch), which allows to light

off the sign.

Wire Name Europe USA

L LIVE/HOT Brown Black or Red

N NEUTRAL Blue White

PE PROTECTIVE

EARTH/GROUND

Green/Yellow

striped

Green or

Green/Yellow

striped

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3.1.6 Protection earthing

On the aluminium box containing the electronics, an earthing stud is available (see Figure 6).

FOR SAFETY PURPOSES, A CABLE OF 4 MM2 MINIMUM SECTION, CONNECTED TO

THE EARTHING SYSTEM OF THE AGL CIRCUIT MUST BE CONNECTED TO THE

EARTHING STUD OF THE SIGN.

3.1.7 Models

The main sign dimensions are depicted in Figure 7. The possible values for the lengths A, A’, B, C,

D and H are indicated in Table 3.

Figure 7: Overall dimensions

Length A

[mm]

isible

length

A’ [mm]

H=300mm B=704mm C=900mm H=400mm B=904mm C=1100mm

Wind @ 322 km/h Wind @ 480 km/h Wind @ 322 km/h Wind @ 480 km/h

Supports

quantity

Distance

D [mm]

Supports

quantity

Distance

D [mm]

Supports

quantity

Distance

D [mm]

Supports

quantity

Distance

D [mm]

1094

990

580

1354

1250

840

420

1574

1470

1060

530

2054

1950

770

513

2294

2190

593

2534

2430

673

404

2994

2890

827

496

Table 3: Signs dimensions

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