Honeywell HPX-T Series Manual de usuario

HPX-T Series

Photoelectrics

User-friendly autotuning, Fibre Optic sensor

FEATURES

• Simple, push-button set up

• Digital indicator allowing visual

checking of

- Level of light reception

- Level of margin

- Tuning status

- Off-Delay status

• Automatic selection of hysteresis

• 3 Sensitivity Adjustment modes for

- Contrast detection

- Position detection

- Maximum sensitivity

• LO/DO Switchable

• 40 msec Off-Delay switchable

• 2 LED indicators for Stability and

Output

• Quick, secure fibre connection using

lever

• Visible Red light source

• 500 µsec response time

• Slim housing (10 mm)

• DIN rail mountable

• Wide variety of plastic and glass fibre

cables

• Mutual interference protection

• CE Approved

• Non-volatile memory for paramater

APPLICATIONS

• Suitable for small parts detection in

pick-and-place machineries

• Assembly machines

• Special purpose machines

• Industrial robots

GENERAL INFORMATION

HPX-T combines Honeywell's past experiences with Fibre Optic sensors and its

latest technology to create a dependable, user-friendly automatic tuning sensor. Setup

is simply and accurately performed by the push of a button. In addition, it is the

industry’s first photoelectric control to provide alphabetical and numerical

information on the status of the sensor. Numerically, you can monitor the light

reception level and the margin level you have, or had, at the time of auto-tuning. In

both cases, the larger the number, the more security you have for the operation.

The alphabetical information provides you the reason for error, instructing you what

to do next.

It's also the industry's first to offer 7 different levels of hysteresis, which will be

picked automatically for optimum setting on the application.

The Honeywell HPX-T is supported by a complete line of HPF standard plastic fibres

and special purpose fibres (glass, chemical-proof, cold and heat resistance) to

satisfy various applications.

New

LOAD

Brown 10 to 30Vdc

0 V

Black

max. 100mA

Blue

Remote

teaching

Pink

Specifications Scan type

Scanning distance

Supply voltage

Current consumption

Output type

Maximum response time

Frequency of operation

Operating temperature

Circuit protection

Termination

LED indicator

Light source type

Ambient light resistance

Standard functions

Material

Sealing

Ordering information

PNP LO/DO

NPN LO/DO

PNP LO/DO (with remote teaching)

NPN LO/DO (with remote teaching)

Diffuse / Through

See fibre optic section (540mm with HPF-T001, HPF-T002, 150mm with HPF-D001)

10 - 30Vdc, 10% ripple

Max. 50 mA

NPN or PNP open collector 100mA max.

500 µs On / 500µs Off

1 kHz

-20° to 55° C (1)

➀ ➁ ➂

2 m preleaded

Red for output, Green for stability (2)

Visible Red Visible Green

Incandescent : 5 000 Lux max. / Sunlight : 20 000 Lux max.

❶ ❷

Housing : PC /ABS Alloy (Grey)

IP 40

HPX-T2-H

HPX-T1-H

HPX-T4-H HPX-TV4-H

HPX-T3-H HPX-TV3-H

Circuit protection key

➀Short-circuit protection

➁Reverse polarity of supply voltage

➂False pulses during power up

Standard function key

❶LO/DO selectable

❷Off-Delay (40 ±10 ms) switchable

Notes

(1) Max. 45° C when mounted next to each other

at 26.4 Vdc

(2) LED status indicator

Red "On" with transistor output On

Green "On" with stable dark or light

Preferred listings are shown in bold type

LOAD

Brown 10 to 30Vdc

0 V

Black max. 100mA

Blue

Remote

teaching

Pink

Wiring

• NPN • PNP

HPX-T

●Simple push-button set up

●7 Segment LED indicator (industry's first)

●Automatic selection of hysteresis

●3 Sensitivity adjustment modes

●LO/DO Switchable

●40 msec Off-Delay switchable

●2 indicators for stability and output

23.9

32.345

51.8

28.4

32.4 1.5

8.4

L-On/D-On selector

Mode selector

mounting bracket note 1, 2

Lever note 4

Cord note 3

Cover note 1, 2

Set note 4

Digital display

Release note 4

Optical fiber note 4

Operation indicator (Red)

Tuning button

Off-delay display

0.5

2-ø2.4

7.6

4.2

13.7

35.4

60 6.5

35.3

22.5 16 ø3.3

12.5

22.5 16

3-2.2

3-3.3

Dimensions (mm)

Notes

1- Mounting bracket and cover are included

2- Material

. Photoelectric switch

. Case : PC/ABS alloy (Grey)

. Cover : PC (clear Grey)

. Bracket : Cold rolled stainless steel plate

3- Cable

. Oil resist 0.2 mm2, colour : Grey

4- Optical fibre is fixed by setting the lever

For fibre optic cables and accessories, please refer

to the "Best Runners" section on page 149, or to the

complete range in the Fibre Optic section

Sensitivity Adjustment Instruction

Each HPX-T is delivered on the following setting : "RUN" for operation mode selector, "LO" for LO/DO selector and set at maximum scan

sensitivity. Parmeters are stored in a non-volatile, high releability memory and are kept even without power supply

Component description

3 types of sensitivity adjustment/detection

Cable

Operation mode selector

Digital display

Stability indicator (Green)

Operator indicator (Red) Tuning Button

Off-Delay display LO/DO Selector

1. Distinction/contrast 2. Positioning 3. Maximum sensitivity

HPX-T distinguishes 2 targets of different

material (reflectivity), colour or dimensions.

HPX-T memorizes the levels of light

reflected by the targets

HPX-T determines the position of targets

Fibre Fibre

HPX-T memorizes the positioning

of the target

A typical application is when you require

maximum scan distance using Through-

Scan fibres.

HPX-T maximizes the light output and the

sensitivity

Maximum

scan distance

Fibre

Distinction/contrast setting

Step

tuning

completed

Target position Operation

Place the

first target

"A" in

position

Place the

second target

"B" in

position

Switch the operation

mode selector to "SET"

Switch the operation

mode selector to "RUN"

Push the tuning button

once (first teaching)

Push the tuning button

once (second teaching)

Indicator status

Digital

Red LED

Green LED

"1" is indicated

for step 1

"2" is indicated for

step 2

Margin level is dis-

played

Level of light recep-

tion is displayed

OFF

Depends

on LO/DO

setting

OFF

FLASH

Should be

for stable

operation

Alarms for errors

Insufficient light

Insufficient contrast

Digital

Red

LED Green

LED

Digital

Red

LED Green

LED

"E" for

error

will flash

"E" will con-

tinue to flash.

Output

is locked

FLASH

"E" for

error will

be ON

"E" will con-

tinue to be

ON. Output

is locked

FLASH

OFF

SET

RUN

SET

RUN

Note on alarm display :

When the tuning is not properly made. "E" for error will either flash or stay on in the digital display. This can be used to assist you in correctly

setting the position of the fibre or the position of the targets. When "E" is flashing, the sensor informs you that there is not sufficient level of light

reception from the material. Try moving the fiber closer to the target.

If "E" stays On, the sensor informs you that there is not a sufficient level of difference in light reception between 2 targets for "contrast". Try

angling the fibre head position from the targets.

The alarm is locked (Output Off) until you re-teach the sensor.

Positioning

Maximum sensitivity

Off-Delay timer setting

Step

tuning

completed

Target position Operation

Place the

first target

"A" in

position

Switch the operation

mode selector to "SET"

Switch the operation

mode selector to "RUN"

Push the tuning button

once (first teaching)

Indicator status

Digital

Red LED

Green LED

"1" is indicated

for step 1

"2" is indicated for

step 2

Level of light recep-

tion is displayed

OFF

Depends

on LO/DO

setting

OFF

FLASH

Should be

for stable

operation

Alarms for errors

Insufficient light

Digital

Red

LED Green

LED

"E" for

error

will flash

FLASH FLASH

FLASH

OFF

SET

RUN

SET

RUN

Step

tuning

completed

Operation

Switch the operation

mode selector to "SET"

Switch the operation

mode selector to "RUN"

Push the tuning button

for 3 seconds

Indicator status

Digital

Red LED

Green LED

"1" is indicated

for step 1

"H" is displayed

Level of light recep-

tion is displayed

OFF

Depends

on LO/DO

setting

OFF

Should be

for stable

operation

SET

RUN

SET

RUN

Notes : In positioning, you have to push the tuning button only once for teaching.

Do not push the tuning button twice, as in "contrast" setting.

If the level of light reception is too low, "E" will flash. Try moving the fibre closer to the target.

The alarm is locked On (Output Off) until you re-teach the sensor.

To activate or to de-activate the Off-Delay timer, make

sure that the operation mode selector is switched to

"RUN". The Off-Delay function latches the output On for

40 milliseconds before switching to Off. This prevents

the sensor from reacting to holes or irregularities in the

target.

This setting is equivalent to turning the potentiometer to

its maximum position on a conventional sensor. The

function has been mainly designed for Through-Scan

fibre applications.

Note: Unlike the contrast, positioning a target is not

necessary for this maximum setting.

Operation

Push the teach button

for 10 seconds

Digital display

Off-delay "ON"

Push the teach button

for 10 seconds

Off-delay timer status

To activate

To de-activate

Off-delay "OFF"

Explanation of numerics in the digital indicator

Light reception level definition and the operation chart of output/LED indicators

Light

reception

level

Operating

level

Output

indicator(red LED)

Stability indicator (green LED)

Light reception level

(digital indicator)

Stable light

Unstable light

Unstable dark

Stable dark

Time

L-ON

D-ON

L-ON

D-ON

Note: The point of operation is always set between 4 and 5 of light reception level.

A is equal to twice the hysteresis automatically set during sensitivity adjustment.

Margin display

The digital display usually shows the amount of light received. However, it can also show the contrast margin, provided the

sensor is programmed for Distinction/Contrast setting :

• At the end of Distinction/Contrast setting, before putting the switch back to "Run".

• With the switch in «run» mode, by pressing the "tuning" button. (If the sensor is programmed for Positioning, the display will

show "-". If the sensor is programmed for Maximum sensitivity, the display will show "H").

The contrast margin shows the difference of light received between both targets. The higher the number, the better the security.

In this array, the first line is the number displayed. The second line shows the actual security margin, expressed as multiple of

the hysteresis (hysteresis is automatically adjusted).

Margin level indication 123456789

Secured margin level ≥x1 ≥x1.2 ≥x1.5 ≥x2 ≥x3 ≥x4 ≥x5 ≥x6 ≥x7

HPX-T

Using the Remote Teaching function

The remote teaching function is available on HPX-T3, HPX-TV3, HPX-T4, HPX-TV4 models.

It allows the operator to program the sensor from a remote location, or to program a number of sensors in the same time.

As many sensors as needed can have their remote teaching inputs tied together, and be programmed via a manual switch or a PLC output.

For NPN versions (HPX-T3, HPX-TV3), the remote teaching wire must be connected to the ground for programming. When not

programming, it must be left open or, better, connected to the power supply.

For PNP versions (HPX-T4, HPX-TV4), the remote teaching wire must be connected to the power supply for programming. When not

programming, it must be left open or, better, connected to the ground.

The remote teaching function allows to program the sensor in Distinction/Contrast mode only. Positioning and Maximum Sensitivity

modes can not be programmed by remote teaching and must be programmed using the tuning button.

How to teach the sensor

1 - Do not put the selection switch on "set"

2 - Present the first target

3 - Connect the Remote Teaching Input to the Ground (NPN versions)

or to Vdc (PNP versions), for a minimum of 100 ms

4 - Present the second target (leave at least 200 ms between teachings)

5 - Connect the Remote Teaching Input to the Ground (NPN versions)

or to Vdc (PNP versions), for a minimum of 100 ms

6 - The display shows the contrast margin for about 1 second

7 - The sensor is programmed and goes back automatically to normal mode

SET

RUN

Leave the operation mode

selector "RUN"

Place the first target "A" in

position

Place the second target "B" in

position

Margin level is displayed

Level of light reception is

displayed

Error :

If the level of light received is too low, or if the contrast margin is too tight, then the sensor goes in error state (showing "E"), and latches its output until it is re-taught.

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