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8

Threshold value fine adjustment function

 

● The fine adjustment of the threshold value can be set in RUN mode, 

forced ON output mode and forced OFF output mode.

 

For the setting procedure, refer to the “PRO MODE OPERATION 
MANUAL” (only available in English).

Window comparator and hysteresis mode

1.  Press the SET key for 2 seconds to display the 

threshold level. 

 or 

 appears in the digital 

display for a short time, then its threshold value 
(1900 in the example). 

2.  Press the UP or DOWN key to change the 

threshold value. In this example, the threshold 
value of 1900 is increased to 2001.

3.  Press the SET key to save the threshold value. 

If you do not press the SET key, the value will be 
saved automatically after 2 seconds.

4.  Press the SET key again for 2 seconds to display 

the other threshold level. Repeat the steps listed 
above to change and save the value.

all other modes

1.

2.

1.  Press the UP key to in‑

crease the threshold value

2.  Press the DOWN key to 

decrease the threshold value

3.

3.

4.

4.

3.  Press the SET key to save 

the threshold value.

4.  The value has been saved. 

If you do not press the 
SET key, the value will be 
saved automatically after 2 
seconds.

9

Key lock function

The key lock prevents users from changing settings by accident. When 
the key lock function is activated and you press any of the keys, the digital 
display shows 

activating the key lock function

1.  Press the SET and the MODE key together for 

3 seconds or longer. 

The digital display changes to show the key 
lock function has been activated. 

Then the digital display returns to show the 
current values.

Deactivating the key lock function

1.  Press the SET and the MODE key together for 

3 seconds or longer. 

The digital display changes to show the key 
lock function is active.

The digital display changes to show the key 
lock function has been turned off. 

Then the digital display returns to show the 
current values.

10

Sensing output operation mode (L/D)

When the mode indicator L /D (yellow) is ON, you can switch from Light‑ON 
mode to Dark‑ON mode and vice versa.

1.  Press the MODE key. The L/D indicator lights 

up and the current mode setting is displayed.

2.  Press the UP key to select Dark‑ON mode or 

the DOWN key to select Light‑ON mode.

3.  Press the SET key to save the setting.

11

Custom mode (CUST)

The custom mode serves as a shortcut to one of the three settings listed in 
the table and allows you to access a frequently‑used setting without having 
to go through the PRO mode menu: 

setting item

Digital display

Response time (default)

Emission power

Hysteresis

Use Pro5 in the PRO mode to select which item should be 

displayed in custom mode. 

1.  Press the MODE key twice. The CUST indica‑

tor lights up and the pre‑selected setting item 
is displayed.

2.  Press the UP or DOWN key to change the 

setting.

3.  Press the SET key to save the setting.

4.  Press the MODE key twice to return to RUN 

mode.

Summary of Contents for FX-501 Series

Page 1: ...tput is active Yellow Sensing output is selected Orange Sensing output is operating 2 Sensing output 2 lit if output is active Yellow Sensing output is selected Orange Sensing output is operating 3 Digital display green red 4 UP key Functions Teach Fine adjustment of the threshold value Select settings 5 DOWN key 6 MODE key Functions Select modes Cancel 7 SET key Functions Teach Confirm selected s...

Page 2: ...e 5 I O circuit diagrams FX 501 NPN type 12 24V DC 10 15 Main circuit Brown V see note Load Black sensing output Blue 0V see note FX 501P PNP type 12 to 24V DC 10 15 Main circuit Brown V see note Load Black sensing output Blue 0V see note The quick connection sub cable does not have V brown and 0V blue The power is supplied from the connector of the main cable Terminal arrangement 1 2 3 Terminal n...

Page 3: ...mmended depends on the sensor type and whether the sensing object is present or not present or moving Sensing condition Recommended teaching method Sensing object is present and easily detectable 2 point teaching Sensing object is very small Other objects are in the background Limit teaching Production line cannot be stopped and sensing object is moving Auto teaching All teaching methods are avail...

Page 4: ...SL P 1 2_SL P 2 1_SL P 1 2_SL P 2 1_SL P 1 Teaching point 1 serving as the lower threshold value 2_SL P 2 Teaching point 2 serving as the upper threshold value 1 Press the SET key when the first sensing object is present 2 Press the SET key again when the second sensing object is present Display when stable sensing is possible Display when stable sensing is not possible If you select a value excee...

Page 5: ... shows Activating the key lock function 1 Press the SET and the MODE key together for 3 seconds or longer The digital display changes to show the key lock function has been activated Then the digital display returns to show the current values Deactivating the key lock function 1 Press the SET and the MODE key together for 3 seconds or longer The digital display changes to show the key lock functio...

Page 6: ... sensor amplifiers pressure sensor controllers etc install the prod ucts so that they are in order of group A B D and C as shown in the figure below This product is included in group D Within each group identical models should be mounted next to each other Communication direction Group A Group B Group D Group C Group Model number A FX 301 conventional version unit FX 301B G H LS 401 B FX 301 modif...

Page 7: ... gap be tween the master communication unit and the subordinated amplifiers 16 Cautions This product has been developed produced for industrial use only This product is suitable for indoor use only Make sure to add or remove amplifiers with the power OFF If you apply a voltage exceeding the rated range or if an AC power supply is connected directly the product may get burnt or damaged Shortcircuit...

Page 8: ... SP FAST STD 0 to 4 000 display in LONG 0 to 8 000 see note 4 Response time 2ms or less Zero point within 4mA 1 F S Span within 16mA 5 F S Linearity within 3 F S Load resistance 0 to 250Ω External input switchable with output 2 for FX 502 Signal condition of NPN non contact input High 8V to V DC or Open Low 0 to 1 2V DC at 0 5mA source current Input impedance Approx 10kΩ Signal condition of PNP no...

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