MCS LED Light

LPW-400 series

Dustproof, IP67, PSE, RoHS

（LPW-488）
For those who are seeking fine and bright lighting ofprocessing machines and machine tools.

MICRO CONTROL SYSTEMS LTD.

1

Table of contents
Selection guide for LP-400 and LPW-400 LED light series--------------------------------------------3

Background of LPW-400 series LED light development ------------------------------------------------4

Recommendation relationship between work piece surface and LED light installation--------5
Comparison of bright line conditions between LED light and conventional LED light---------------6

Table 1．Light reflection suppression effect for workpiece diameter φ 168 mm---------------------7
Table2．Light reflection suppress effect for workpiece diameter φ 32 mm--------------------------8
Illuminance value comparison of the new LPW-488 and the conventional LP-488--------------------9
The half value width ratio of the illumination distribution for the new LPW-488 andthe conventional LP-488
LED light LPW-488---------------------------------------------------------------------------------9-------------------------------------------------------------------------------------10

Characteristics of LPW-488 ---------------------------------------------------------------------------------10LPW-488 Model reference table -----------------------------------------------------------------------------------11
Specification of LWP-488 -------------------------------------------------------------------------------------------------12
Size dimension of LPW-488（Long・Back Mount Type）-------------------------------------------------13
LED light LPW-489-------------------------------------------------------------------------------------14

LPW-489 model reference table ----------------------------------------------------------------------------15

LPW-489 specification--------------------------------------------------------------------------------------16
Size dimension of LPW-489 -----------------------------------------------------------------------------------------17LPW-488, LPWL-488 and LPW-489 Mounting type ---------------------------------------------------------------192

Selection guide for
MCS has prepared various LED lights for processing machines and machine tools. LP-400
and LPW-400 series are suitable for processing machine light and machine tool light. To help productselection by customers, the selection guide for LP-400 and LPW-400 series products is shown in Fig.1.
.

Fig.1 Selection guide for LP-400 and LPW-400 series products.

3

MCS developed original LED lens. The LED lens has been applied in MCS LED light.
MCS has developed new concept LED lights for customers to be able to see finely the processing
condition prepared with machine tools. In Fig.1, LPW-488 and LPW-489 are suitable for thepurpose.

＜Background of LPW-400 series LED light development>
LED lighting has been used for almost machine tools. Recently, a problem has been pointed out bymachine tool users. MCS had received many requests for LED lighting equipment that solves theproblem.
The problem is a phenomenon that LED light sources are reflected on the cylindrical metal
surface prepared with the lathe. As the result, bright and dark lines (bright lines) corresponding to thenumber of LED sources are visible on the prepared cylindrical metal. It is difficult for workers toobserve fine processing state caused with chattering vibration of byte.
MCS had developed new LED lights which suppress the bright lines appearing on theprocessed surface due to reflection of the LED sources.

＜ How does the bright lines look? Why does it matter? ＞

In machine tools, especially lathes, there is a possibility of chatter surface occurrence
during cutting a cylindrical workpiece. Such a chattering condition can be detected withconventional fluorescent lamps without bright lines. However, in case of LED lighting, bright anddark lines appeared on the processed surface as shown in Fig. 2. The bright lines disturb theobservation for the precise process surface. MCS had been asked if it managed to do something.

Fig.2 Bright and dark lines.

4

＜Development of new LED light suppressing LED source reflection＞
MCS developed new LED light, LPW-488 and LPW-489 which suppress the bright lines
adopting the original lens configuration (Patent application).

Recommendation relationship between work piece surface and LED light installation
Figure 3 shows recommendation installation of LED light developed for suppressing LED
light source reflection. When the glass surface of the LED light is installed almost vertical to thecenter axis direction of the workpiece, the reflection suppression effect becomes the largest. If theLED light installation location is different from the above relation shipment, please consult sales
person or technical personnel.

Fig.3 Diagram showing the relative positional relationship between LED light irradiation
direction and work piece surface for suppressing reflection of light sources.

5

＜Comparison of bright lines conditions between new LED light and conventional LED light＞
Tables 1 and 2 show the examination results of the reflection prevention effectivenessfor new LED light (LPW-488) and conventional light (LP-488) installed as shown in Fig.3. In theexperiment, two different diameter cylinders were prepared to check the effect of new LED
lighting concept.
Table 1 shows the comparison for the workpiece diameter 168 mm. When the distance
between the lighting equipment and the workpiece is more than 30 cm away, in the new LPW488 system, we cannot see the bright lines. Meanwhile, in the case of conventional light, thebright lines can be seen even if they are about 1 m apart.
In Table 2, when the distance between the lighting equipment and the workpiece is morethan 20 cm away, in the new LPW-488 system, we cannot see the bright lines. On the other hand,in the case of conventional light, the muzzy bright lines can be seen even if they are about 80cm
apart.
From these bright line experiments, in general, the following facts are derived in LED
lighting using the point LED sources.
1. The larger the diameter of the workpiece is, the easier it is to see the bright lines.
2. As the distance between the LED light and the workpiece is larger, the bright lines becomeless visible.
3. The new LPW-488 suppresses bright lines due to reflection of LED point light source, as sameas fluorescent lighting with surface emission.
Therefore, LPW - 488 is ideal for precision machining machines.

6

Table 1．Light reflection suppression effect for workpiece diameter φ 168 mm.

Model

Conventional LP-488

New LPW-488

With bright lines

With bright lines

With bright lines

No bright lines

Distance fromworkpiece：10cm

Distance fromworkpiece：30cm

7Table2．Light reflection suppress effect for workpiece diameter φ 32 mm.

Model

Conventional LP-488

New LPW-488

With bright lines

Slight bright line

With bright lines

No bright lines

Distance fromworkpiece：10cm

Distance fromworkpiece：20cm

8＜Illuminance value comparison of the new LPW-488 and the conventional LP-488＞
Figure 3 shows the illumination distribution for the newly developed LPW-488 and theconventional model LP-488.
As shown in Fig.3, the new LPW-488 has higher illuminance than conventional LP-488.

Fig.3 Illuminance distribution of the new LPW-488 and conventional LP-488＜The half value width ratio of the illumination distribution for the new LPW-488 and theconventional LP-488＞
Table 3 shows the illumination spread (half value width) comparison between newLPW-488 and conventional LP-488. The larger this value is, the better wide angle lighting
becomes.

1. The size and power consumption of LPW-488 and LPW-489 are as same as LP-488 and LP-489,
respectively.
2.

The maximum illuminance of LPW-488 is larger than that of LP-488. The half width of LPW488 is twice larger than that of LP-488.
9Lｏng・Lens type(LPW-488)

Lｏng・Lens type(LPWL-488)

CHARACTERISTICS OF LPW-488
・In LPW-488 LED light, MCS original LED lens is used. Two patents are registered for LED lensand lighting method.
・LPW-488 suppressed LED light source reflection, which was a problem of LED lighting forprocessing lighting in a lathe (Patent applied).
・LPW-488 is ideal for customers who are requesting higher illuminance than conventional LP488.
・LPW-488 with wide angle distribution lens characteristics is suitable for a wide range ofworkspace lighting .
・The LED low of LPWL-488 is two. LPWL is a low-price version of LPW-488 (3 LED lows).
・Protection grades are IP 67 F and IP 69.
・Tempered glass is used. The thickness is 4mm.
・CE marking conformity.

10

LPW-488 MODEL REFERENCE TABLE

LPW－４８８□－Ｆ□－Ｃ□－L□①②③④※①, ②, ③ and ④ correspond to blank squares.

① Specification of mounting hole position
No statement: Horizontal mounting type (3 types of brackets A, B, C are prepared)
M: Back mounting type

CN ：Back mounting connector type (Connector: 1523450 [Phoenix contact])② Metal flexible cable length
No description: None cable（Ex.）F1.3：1.3ｍ length※The length designation is 0.1 m unit. Up to 5 m.

③ Electrical cable length
No description：5m※ For CN type, cable is not attached.

(Ex.) C1.5: 1.5m length※The length designation is 0.1 m unit. Up to 5 m.

④ Lens specification
Ｌ３：Wide distribution lens11

LPW-488 specification
ModelLPW-488Illumination

Typical 1800 lx

Input voltage

DC24V (22～26V)

Input current

Below 600mA

Rated power

12W

Operating temperature limit

Used (storage) humidity-20～60℃

35～85％RH

range
Withstand voltage

Insulation resistance

below 5 mA (Application of AC 1000 V for 1 minute between
the case and the input)
Above 100MΩ(Application of DC 500 V between the case andthe input)

Protection grade

IP67F, IP69K compliance

Material

Case cover (Front)：StainlessCase: Aluminum die-cast (Ni deposition)
Glass：Tempered glass（4mm in thickness）
Cable : Oilproof cable

WeightSize

About 900g

L310×W58×H17（mm）

12

Size dimension of LPW-488 and LPWL-488（Long・Back Mount Type）

10

Designated length17
4M5 depth5dedepth
58

22 400 0310

10Size dimension of LPW-488 and LPWL-488 (Long・Back Mounting Connector Type）

4M5 depth5298

21dedepth

1:NC

40

2:NC
3:―
－4:＋
5:GND
＋
20
17

M12 connector

58

310

13

Lens ・Mini type

CHARACTERISTICS OF LPW-489
・LPW-489 suppressed LED light source reflection, which was a problem of LED lighting forprocessing lighting in a lathe (Patent applied).
・LPW-489 is ideal for customers who are requesting higher illuminance than conventional LP489.
・LPW-489 with wide angle distribution lens characteristics is suitable for a wide range ofworkspace lighting.
・Protection grade are IP 67 F and IP 69 K.
・Tempered glass is used (4 mm in thickness).
・CE marking conformity.

14

LPW-489 MODEL REFERENCE TABLE

LPW－489□－F□－C□－L□①②③④※①, ②, ③ and ④ correspond to blank squares.

Specification of mounting hole position
No statement: Horizontal mounting type (3 types of brackets A, B, C are prepared)
M: Back mounting type (Ex.489M)

CN ：Back mounting connector type (Ex. 489CN)(Connector: 1523450 [Phoenix contact])① Metal flexible cable length
No description: None cable（Ex.）F1.3：1.3ｍ length※The length designation is 0.1 m unit. Up to 5 m.

② Electrical cable length③

No description：5m※ For CN type, cable is not attached.

(Ex.) C1.5: 1.5m length※The length designation is 0.1 m unit. Up to 5 m.

Lens specification

L3：Wide distribution lens15

LPW-489 specification
ModelLPW-489

Illumination

Typical 900 lx

Input voltage

DC24V (22～26V)

Input current

Below 300mA

Rated power

5W

Operating temperature limit

Used (storage) humidity-20～60℃

35～85％RH

range
Withstand voltage

below 5 mA (Application of AC 1000 V for 1 minute between thecase and the input)

Insulation resistance

Above 100MΩ (Application of DC 500 V between the case andthe input)

Protection grade

IP67F, IP69K compliance

Material

Case cover (Front)：StainlessCase: Aluminum die-cast (Ni deposition)
Glass：Tempered glass（4mm in thickness）
Cable : Oilproof cable

WeightSize

About 500g

L130×W58×H17（mm）

16

LPW-489
外観図
Size dimensionof LPW-489

Mini type (Horizontal mounting)Mini type (Back side mounting)17

LPW-488 AND LPW-489 MOUNTING TYPE
Horizontal mounting
Equivalent to LP-488

Equivalent to LP-489※Bracket mounting is possible.

※Bracket mounting is possible.

Equivalent to LP-488M

Equivalent to LP-489M

Equivalent to LP-488-F1.3-C1.5

Equivalent to LP-489-F1.3-C1.5※Unit is length(m).

※Unit is length(m).

Back side mounting

Metal flexible cable

Equivalent to LP-488CN
M12 connector typeSpecification

18

Equivalent to LP-489FFlexible stand typeMCS has acquired certification of ISO 9001 (qualitymanagement system) and ISO 14001 (environmentalmanagement system), and we are actively working on quality
control and environmental conservation.

MICRO CONTROL SYSTEMS LTD.
143 Shimogoe, Saku City, Nagano Prefecture, 384-0414, Japan
TEL：+810267-81-1311, FAX：+810267-81-1312 , E-mail:info@micro-control.co.jp

19