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Hold function (hld), Shift function (sft), Clamp function(clp) – KEYENCE LR-ZB250AN/AP User Manual

Page 4: Troubleshooting, Warranties and disclaimers, Buyer's transfer obligations, Da* 2a, Qp q

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4

LR-ZB250AN/P_IM_E

„

Hold function (Hd)

Display values can be held. The held value is updated each time the detected value

exceeds the setting value.

z

Setting procedure

1. Set the hold function (page 3).

2. Switch the display screen.

„

Shift function (F)

Turning the shift function ON will shift the display when tuning. In the Datum tuning/FGS,

the display value is shifted regardless of this function.

„

Clamp function(cP)

This can be used when the operation mode is set to “Distance (F-1)”. Turning the clamp

function ON will keep the previous display value and output status when light cannot be

received.

* The settings can be rewritten up to 1 million times when the operation mode is set to

“Distance (F-1)” and 10 thousand times in “I-DATUM mode (F-2)”.

(1) KEYENCE warrants the Products to be free of defects in materials and workmanship for

a period of one (1) year from the date of shipment. If any models or samples were

shown to Buyer, such models or samples were used merely to illustrate the general type

and quality of the Products and not to represent that the Products would necessarily

conform to said models or samples. Any Products found to be defective must be

shipped to KEYENCE with all shipping costs paid by Buyer or offered to KEYENCE for

inspection and examination. Upon examination by KEYENCE, KEYENCE, at its sole

option, will refund the purchase price of, or repair or replace at no charge any Products

found to be defective. This warranty does not apply to any defects resulting from any

action of Buyer, including but not limited to improper installation, improper interfacing,

improper repair, unauthorized modification, misapplication and mishandling, such as

exposure to excessive current, heat, coldness, moisture, vibration or outdoors air.

Components which wear are not warranted.

(2) KEYENCE is pleased to offer suggestions on the use of its various Products. They are

only suggestions, and it is Buyer's responsibility to ascertain the fitness of the

Products for Buyer’s intended use. KEYENCE will not be responsible for any damages

that may result from the use of the Products.

(3) The Products and any samples ("Products/Samples") supplied to Buyer are not to be

used internally in humans, for human transportation, as safety devices or fail-safe

systems, unless their written specifications state otherwise. Should any Products/

Samples be used in such a manner or misused in any way, KEYENCE assumes no

responsibility, and additionally Buyer will indemnify KEYENCE and hold KEYENCE

harmless from any liability or damage whatsoever arising out of any misuse of the

Products/Samples.

(4) OTHER THAN AS STATED HEREIN, THE PRODUCTS/SAMPLES ARE PROVIDED

WITH NO OTHER WARRANTIES WHATSOEVER. ALL EXPRESS, IMPLIED, AND

STATUTORY WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE

WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,

AND NON-INFRINGEMENT OF PROPRIETARY RIGHTS, ARE EXPRESSLY

DISCLAIMED.

IN NO EVENT SHALL KEYENCE AND ITS AFFILIATED ENTITIES BE LIABLE TO

ANY PERSON OR ENTITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, PUNITIVE,

SPECIAL OR CONSEQUENTIAL DAMAGES (INCLUDING, WITHOUT LIMITATION,

ANY DAMAGES RESULTING FROM LOSS OF USE, BUSINESS INTERRUPTION,

LOSS OF INFORMATION, LOSS OR INACCURACY OF DATA, LOSS OF PROFITS,

LOSS OF SAVINGS, THE COST OF PROCUREMENT OF SUBSTITUTED GOODS,

SERVICES OR TECHNOLOGIES, OR FOR ANY MATTER ARISING OUT OF OR IN

CONNECTION WITH THE USE OR INABILITY TO USE THE PRODUCTS, EVEN IF

KEYENCE OR ONE OF ITS AFFILIATED ENTITIES WAS ADVISED OF A POSSIBLE

THIRD PARTY’S CLAIM FOR DAMAGES OR ANY OTHER CLAIM AGAINST

BUYER. In some jurisdictions, some of the foregoing warranty disclaimers or damage

limitations may not apply.

BUYER'S TRANSFER OBLIGATIONS:

If the Products/Samples purchased by Buyer are to be resold or delivered to a third

party, Buyer must provide such third party with a copy of this document, all

specifications, manuals, catalogs, leaflets and written information provided to Buyer

pertaining to the Products/Samples.

E 1101-3

Power ON

Peak value
Detected value

Setting
value

2A*

Bottom value

Peak value

(Run Mode)

(

+

)

<1s

DA*

2A*

After calibration

(Example of a 2-point calibration)

Before calibration

Troubleshooting

Display

Description

Checks and Remedies

Control

Output

ErC

Current of 100 mA or more flows

through the control output

• Check power resistance.

• Check the control output cable for

contact with other cables.

OFF

Er

System error

Contact the nearest sales office.

OFF

Er

Laser diode failure

FAR

ErE

Error in the EEPROM that stores

sensor settings*

Normal

uuu

Excessive reflected light

Adjust the installation angle of the

sensor.

Inconsistent

___

Insufficient reflected light

• Verify that the detecting distance is

within specifications.

• Adjust the installation angle of the

sensor.

FAR

-FF

The detected object is too far

from the display range

• Move the target closer.

• Turn OFF the shift function.

Normal

i 0
to
i100

The operation mode is “I-DATUM

(F-2)”.

Use as is.

Normal

c

The key lock function is enabled

Release the key lock function by

pressing UP and DOWN at the same

time (> 3s).

Normal

P_H

The peak value is displayed

Press UP and DOWN at the same time

to switch screens.

Normal

b_H

The bottom value is displayed

Press UP and DOWN at the same time

to switch screens.

Normal

No
display or
indicators

The sensor is not turned on

• Check the power voltage and power

capacity.

• Check the sensor power cable.

Inconsistent

ON

ON

Clamp function OFF

Upper limit
of detection

Setting value

Upper limit
of detection

Setting value

OFF

ON

QP

Q((

* It is invalid when datum calibration is
performed or transmission is turned off.

Warranties and Disclaimers

2012

12305E 1014-1b 96M12305