Panasonic EQ-500 Series Specification Sheet
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Panasonic EQ-500 Series Specification Sheet

Eq-500 series adjustable range reflective photoelectric sensor
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EQ-500
ADJUSTABLE RANGE REFLECTIVE
PHOTOELECTRIC SENSOR
Multi-voltage
Because it can function with 24 to 240 V AC and 12 to 240 V
DC, almost any power supply anywhere in the world will do.
Introducing the new DC-voltage type
equipped with BGS / FGS function
We've added a DC-voltage type with NPN and PNP
transistor outputs all in one sensor. Its BGS / FGS function
controls any background effects for more stable sensing.
Refer to p.196 for the BGS / FGS functions.
194
SERIES
Not affected by background objects
EQ50
Because the sensor doesn't detect objects outside the preset
sensing field by using the 2-segment photodiode adjustable
range system, it will not malfunction even if someone walks
behind the sensing object or machines or conveyors are in
the background.
EQ51
Impervious to variations color or angle
Due to its advanced optical system, the sensor is not affected
by variations in the object's angle or gloss compared to
conventional sensors.
Moreover, as the difference in sensing range between black
and white varies by only approx. 5 % (Note), sensing can be
performed at a somewhat constant distance even if the
sensing object is black or white.
Note: Example of the difference in sensing range between
08/2005
Multi-voltage
Long sensing range 2.5 m
black non-glossy paper (Lightness: 5) and white non-
glossy paper when the setting distance is set at 2 m
6.562
ft.
Amplifier Built-in

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Summary of Contents for Panasonic EQ-500 Series

  • Page 1 EQ-500 ADJUSTABLE RANGE REFLECTIVE PHOTOELECTRIC SENSOR Multi-voltage Because it can function with 24 to 240 V AC and 12 to 240 V DC, almost any power supply anywhere in the world will do. Introducing the new DC-voltage type equipped with BGS / FGS function We’ve added a DC-voltage type with NPN and PNP transistor outputs all in one sensor.
  • Page 2 Introducing the 1 m 3.281 ft sensing range type! Convenient timer function models Types with an ON-delay / OFF-delay timer available. OFF-delay, e.g. useful when the response of the connected device is slow, ON-delay, e.g. useful to detect objects that take a long time to move. •...
  • Page 3 EQ-500 BGS / FGS FUNCTIONS MAKE EVEN THE MOST CHALLENGING SETTINGS POSSIBLE! The BGS function is best suited for the following case Background not present When object and background are separated The FGS function is best suited for the following case Background present When object and background are close together...

  • Page 4: Sensor Mounting Bracket

    OPTIONS Type Appearance Sensing range 0.1 to 1.0 m 0.328 to 3.281 ft 0.1 to 1.0 m 0.328 to 3.281 ft OPTION Designation Model No. MS-EQ5-01 Sensor mounting bracket Model No. Supply voltage EQ-501 0.1 to 2.5 m 0.328 to 8.202 ft 24 to 240 V AC EQ-501T 10 %...

  • Page 5: Specifications

    EQ-500 SPECIFICATIONS Type Item Model No. EQ-501 Adjustable range (Note 1) (Note 2) 0.2 to 2.5 m 0.656 to 8.202 ft Sensing range (at maximum setting distance) (Note 2) 0.1 to 2.5 m 0.328 to 8.202 ft Hysteresis 24 to 240 V AC Supply voltage Ripple P-P 10 % or less AC: 4 VA or less...
  • Page 6 I/O CIRCUIT AND WIRING DIAGRAMS EQ-501(T) EQ-502(T) I/O circuit diagram Terminal No. Supply voltage 24 to 240 V AC 10 % Multi-voltage circuit 12 to 240 V DC 10 % Output relay Relay contact output (1a) Internal circuit EQ-511(T) EQ-512(T) I/O circuit diagram Terminal No.

  • Page 7: Precautions For Proper Use

    EQ-500 SENSING CHARACTERISTICS (TYPICAL) EQ-502(T) EQ-512(T) Sensing fields Setting distance: 0.5 m 1.640 ft Setting distance: 1 m White non- 2.625 Black non-glossy paper glossy paper Lightness: 5 3.281 1.969 200 200 mm 7.874 7.874 in 1.312 Non-glossy paper 1.640 0.656 Sensor 0.787...

  • Page 8: Part Description

    PRECAUTIONS FOR PROPER USE Wiring Make sure that the power supply is off while wiring. Check all wiring before applying power since incorrect wiring may damage the internal circuit. Also, carefully tighten the terminal screws so that the wires of adjacent terminals do not touch. The mounting hole for the terminal cover fixing screws inclines 70 degrees to the terminal cover, as shown in the figure below.

  • Page 9: Distance Adjustment

    Non-detection position ON / OFF-delay Stability indicator Since the EQ-500 series uses a 2-segment photodiode as its receiving element, and sensing is done based on the difference Distance in the incident beam angle of the reflected beam from the adjuster sensing object, the output and the operation indicator (orange) operate according to the object distance.
  • Page 10 DIMENSIONS (Unit: mm in) EQ-501(T) EQ-502(T) Sensor EQ-511(T) EQ-512(T) Stability indicator (Green) Operation mode switch (Note 1) Distance adjuster (2-turn) OFF-delay timer adjuster (Note 2) Adjuster indicator ON-delay timer adjuster (Note 2) Operation indicator (Orange) 0.079 Beam- 1.024 2.677 receiving part Center of beam- emitting (Center of sensing)

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