Keyence LK-3100 Manual do Utilizador descarregar pdf (Página 17)

The LK-011 offers two measurement modes to be used according to the

measurement conditions.

Normal mode:

Used to measure targets other than mirror-surfaced or transparent

objects.

The LK-011 is initially set to the normal mode.

Mirror-surface measurement mode:

Used to measure mirror-surfaced objects. To measure such targets,

change the measurement mode by using the following procedure. Also,

tilt the sensor head in the direction that enables it to receive the specular

reflection as shown below.

■ Setting the mirror-surface measurement mode

1. Turn off the key-operated laser switch.

2. Hold down both the key, for the SHIFT adjustment, and the

ZERO

RESET

key,

and then press the key for the SPAN adjustment.

• This operation toggles between the normal and mirror-surface

measurement modes.

• The current mode can be confirmed with the indicators at the

center of the controller front panel.

USING EACH FUNCTION MEASUREMENT MODE SELECTION

OFF

MON(V) MON(mA)

123

AUTO

GAIN

LOWHIGH

TIMING

STABILITY

ZERO/RESET

24V DC IN

REMOTE GND TIMING ZERO GND ALARM GND NEAR FAR

RESET

BRIGHT DARK LASER ON

SHIFT SPAN

+–

2 3 1

TIMING

STABILITY

BRIGHT DARK LASER ON

TIMING

STABILITY

BRIGHT DARK LASER ON

■ Normal mode

Illuminate

■ Mirror-surface

measurement mode

■ Mounting the sensor head for mirror-surface

measurement

When the mirror-surface measurement mode is set, the sensor head

should be tilted to receive the specular reflection. Since the LK-011

receives light that is reflected at 45°, the sensor head should be tilted to

22.5°, half of the reflection angle. The LK-011 is designed so that it can

be easily tilted to any angle needed to receive the specular reflection by

setting the bottom of the sensor head vertically.

The LK-011 is designed so that it can

be tilted to the proper angle to receive

the specular reflection by putting this

part against a vertical wall.

22.5°

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