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Adjustment, Connection, Setting the switches – KEYENCE EX-500(W) Series User Manual

Page 7

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7

ADJUSTMENT

Before starting measurements, adjust the analog output with

an actual target using the following procedure.

Connection

1. Connect a panel meter or voltmeter to the analog output

terminal of the controller using a shielded cable.

2. Complete the connections and then turn the power ON. The

POWER indicator of the controller lights and the sensor is in
operation mode.

* Before starting the adjustment procedure, allow the unit to

warm up for at least 30 minutes.

Setting the switches

1. Set the response time selector switch according to the required

measurement accuracy.

RESPONSE

1

2

3

4

Response time

0.1 ms 1 ms

10 ms 100 ms

Resolution

0.10% 0.06% 0.03% 0.03%

(% of F.S.)

2. Select one of the ADJUSTMENT modes based on the target

material.

MODE

2

3

4

Reference

Aluminum

Stainless steel

Iron

metal

(A5052)

(SUS304)

(S45C)

Other

Copper

Iron (SS41)

metals

(C1100)

Stainless steel

Brass

(SUS410)

(C3560)

Stainless steel

(SUS430)

Metal-

Zinc-plated

Nickel-

plated*

Chromium

plated

-plated

3. Set the cable length selector switch accord-

ing to the sensor head cable length.

4. Set the lock switch to FREE (the upper

position).

Analog output adjustment

1. Place the sensor head in contact with the target and press the

<1> key (zero-point set key) to check whether the output
voltage is 0 V.

Hold the sensor head in contact with the target
until the LED of key <1> goes out.

2. Set the distance between the sensor head and the target to the

maximum measuring distance. Then press the <2> key (Full-
scale set key) to check whether the output voltage is 5 V.

Hold the sensor head at the maximum measuring
distance from the target until the LED of <2> key
goes out.

*

Base material: Iron (SS41),
Plating thickness: 50 µm

RESPONSE

MODE

10 m

3 m

CABLE

FREE

LOCK

Sensor head in
contact with target.

Press the
<1> key.

The LED lights.

The LED goes out.

Approx. 3 seconds
after pressing the key.

When current output is used .
the output current is set to 4 mA.

When current output is used .
the output current is set to 20 mA.

Approx. 3 seconds
after pressing the key.

The LED goes out.

The LED lights.

Press the

<

2

>

key.

F.S.(Max.
measuring distance)