Keyence LK-3100 Manual do Utilizador descarregar pdf (Página 18)

USING EACH FUNCTION SAMPLING CYCLE 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

• When measuring a target that reflects a small amount of light,

such as black rubber:

Set a longer sampling cycle.

Note: When a short sampling cycle is set for measuring a target that has

low reflectance, detection may become unstable or an alarm output is

produced due to the extremely small amount of light being received.

• When measuring a target that reflects a large amount of light

such as a mirror-surfaced or metallic object:

Detection is available with a short sampling cycle setting.

Make sure it operates with the actual target.

There are four available settings for the sampling cycle: 128, 256, 512,

and 2048 µs. The initial setting is 2048 µs.

■ Setting the sampling cycle

1. Turn off the key-operated laser switch.

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

then press the key for the SPAN adjustment.

The sampling cycle setting changes in sequence.

■ Checking the sampling cycle setting

The LED corresponding to the current sampling cycle setting illuminates.

TIMING

STABILITY

BRIGHT

2048 µs 512 µs 256 µs 128 µs

DARK LASER ON

One of these LEDs illuminates.

The LED corresponding to the current

sampling cycle setting illuminates.

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 24

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Keyence LK-3100 Manual do Utilizador Página 18

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