KEYENCE GV Series User Manual

96M11664

Digital CMOS Laser Sensor

GV Series

Instruction Manual

Read this manual before using the software in order to achieve maximum performance.

Keep this manual in a safe place after reading it so that it can be used at any time.

Note

The displayed values indicate guidelines for distances and should not

be used in the actual applications for measurement.

Safety Precautions

		• This product is only intended to detect object(s). Do not use this
		product for the purpose to protect a human body or part of a
	WARNING	human body.
		• This product is not intended for use as an explosion-proof
		product. Do not use this product in a hazardous location and/or
		potentially explosive atmosphere.

Safety Precautions on Laser Products

•This product employs a semiconductor laser for its light source.

•Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.

•Follow the instructions mentioned in this manual. Otherwise, injury to the human body (eyes and skin) may result.

•Do not disassemble this product. Laser emission from this product is not automatically stopped when it is disassembled.

Precautions on class /2 laser products

•Do not stare into the beam.

•Do not direct the beam at other people or into areas

WARNING	where other people unconnected with the laser work
	might be present.

•Be careful of the path of the laser beam.

If there is a danger that the operator may be exposed to the laser beam reflected by specular or diffuse reflection, block the beam by installing an enclosure with the appropriate reflectance.

•Install the products so that the path of the laser beam is not as the same height as that of human eye.

Precaution on class 1 laser products

• Do not stare into the beam.

Item		Description
Model		GV-H45, GV-H130,	GV-H45L, GV-H130L,
		GV-H450, GV-H1000	GV-H450L, GV-H1000L
Wavelength		655nm
FDA (CDRH)	Laser Class	Class Laser Product	Class 1 Laser Product*
Part 1040.10
	Output	560μW	220μW
IEC 60825-1	Laser Class	Class 2 Laser Product	Class 1 Laser Product
	Output	560μW	220μW

*The laser classification for FDA(CDRH) is implemented based on IEC60825-1 in accordance with the requirements of Laser Notice No.50.

Safety measures for the laser

Laser radiation emission indicator

The laser radiation emission indicator lights up after turning on the power and while the laser beam is being emitted.

Sensor amplifier

Sensor head

DATUM	1 spot
LASER
1		SEL
OUT
2
SET		MODE
	TIM
BANK	CLP	series

LASER
1
OUT	Laser radiation emission indicator
2

Laser emission stop input

The laser emission stops when an emission stop (purple line) signal is input (for 20 ms or longer). The emission stops while the signal is input. The laser beam is emitted a maximum of 20 ms after the signal input is canceled. The control output functions according to the detection value even while laser emission stop is input.

Laser warning labels

The following diagrams show the type and position of laser warning labels according to the GV Series.

GV-H45(L)/GV-H130(L) GV-H450(L)/GV-H1000(L)

Aperture label
Aperture label	Aperture label
Aperture label
Laser
transmitter	Laser
	transmitter
FDA (CDRH)	FDA (CDRH)
warning label (Class )*	warning label (Class )*

* Not included with GV-H45L/H130L/H450L/H1000L.

zAperture label

zFDA (CDRH) warning label (CLASS)

The FDA (CDRH) warning labels are only affixed to Class laser products. z IEC warning/explanatory label (CLASS 2)

The IEC warning/explanatory labels are only included with Class 2 laser products.

When using this product in the countries and/or regions other than U.S., use the IEC warning/explanatory label in the package of this product.

In this case, it can be affixed on the FDA (CDRH) warning label, which has already been affixed to this product.

Checking the Package Contents

Check if the parts and equipment listed below are included in the package of the model you purchased before using the unit.

Sensor amplifier

GV-21/GV-21P (main unit)				GV-22/GV-22P (expansion unit)
LASER	DATUM			LASER	DATUM
1
OUT		1spot		1		1spot
2				OUT
SET				2
	1			SET
	2				1
					2
	BANK		SEL		BANK
		TIM						SEL
		CLP				TIM
			MODE			CLP
		series						MODE
							series
Amplifier			x1	Amplifier		x1
Instruction manual			x1
Sensor head
GV-H45(L)/H130(L)				GV-H450(L)/H1000(L)

Sensor head	x1	Sensor head	x1
Insulating sheet	x1	Insulating sheet	X1
Mounting bracket	x1	Mounting bracket	x1
Board nut	x1	Board nut	x1
M3 x L30 screw	x2	M4 x L35 screw	x2
Laser warning sticker* x1		Laser warning sticker* x1

* This is not included with GV-H45L/H130L/H450L/H1000L.

We have thoroughly inspected the package contents before shipment. However, in the event of defective, broken or missing items, please contact your nearest KEYENCE office.

1

GV-IM-E

Mounting and Wiring the Sensor Amplifier

Mounting the sensor amplifier

Mounting the GV-21/GV-21P (main unit)

1 Align the claw at the bottom of the main body with the DIN rail. While pushing the main body in the direction of the arrow 1, slant it in the direction of the arrow 2.

2 To dismount the sensor, raise the main body in the direction of the arrow 3 while pushing the main body in the direction of the arrow 1.

When using the amplifier mounting bracket (OP-76877) (sold separately), mount it as shown in the diagram to the right.

(3)

(2)

(1)

Amplifier mounting bracket

Mounting the GV-22/GV-22P (expansion unit)

Several expansion units can be used in connection with the main unit. Up to three expansion units can be connected to one main unit.

•When connecting multiple amplifiers (expansion units), first check to make sure that the power is turned off to all of the main and expansion units. Connecting the units with the power turned on may cause damage to the units.

• Push the amplifiers (expansion units) as far as possible into

CAUTION the main unit. If they are connected at a slant or not inserted securely, the units may be damaged.

•Only GV Series amplifier can be connected (DL Series cannot be connected). Connecting other amplifiers may cause damage to the units.

Note Expansion units with different output types (such as a PNP output main unit to an NPN output expansion unit) cannot be connected together.

1 Remove the expansion	Expansion
protective cover from the	protective
GV-21/GV-21P (main unit)	cover
	GV-21/
	GV-21P

2 Install the amplifiers (expansion units) on the DIN rail.

For more information about mounting, see "Mounting the GV-21/GV-21P (main unit)".

3 Push the expansion unit into	Main
the main unit connector until	unit	Expansion
a clicking sound can be		unit
heard.
4 Install the end units		Connector
		End
(OP-26751: 2 units in a set)		unit
(sold separately) on either		End
side of the amplifiers (main or		unit
expansion units). Secure the
end units in place with screws
on top (2 on each end unit).

The end units are mounted in the same way as the amplifiers.

Amplifier wiring

The following information shows the I/O cable.

For more information about the I/O circuit, see page 9 of this Instruction Manual.

Brown*1						*1	GV-22/GV-22P (expansion unit) do not
Blue*1					10-30 V DC		have brown or blue lines. Power is supplied
Black							to the expansion units through GV-21/GV-
					Control output 1		21P (main unit).
White
					Control output 2	*2	The external input switches as shown
Pink*2							below depending on the amplifier
					External input		OPTIONAL settings.
Purple
					Laser emission		•	oFF ......... Input off
					stop input		•	SFt .......... External shift
							•	bnK ......... Bank switching
							•	tim ........... Timing input

Connecting and Mounting the Sensor

Head

Sensor head part names

Laser receiver	Mounting area
	LASER
	(Laser radiation
	emission indicator)
	OUT
	(Control output
	indicator)
	1spot
	(Spot reflection
	indicator)
	Mounting area
Laser	Connector

Connecting the sensor head

1 Unlock the sensor head	Connector
connector and insert it into
back of the amplifier.
	Unlocked

2 Turn the round part of the

connector clockwise until a clicking sound is heard to lock it.

Locked

Note When shortening the sensor head cable, follow the instructions given in the "Sensor Head Connector Assembly Manual" included with the sensor head.

Mounting the sensor head

Use the dedicated mounting bracket to mount the sensor head.

When not using the dedicated mounting bracket, the included insulating sheet must be inserted between the mounting surface and the sensor head as shown in the diagram. (When using the dedicated mounting bracket, the insulating sheet is not necessary.)

Insulating sheet
	Sensor head
	Hexagon socket bolt
	(Accessory)
z Mounting when detecting	z Mounting when detecting
targets close to a wall	targets in a hole

Receives little effect	Variations in the detection	The target cannot be detected
from stray laser light.	value with effects from	when the transmitter or receiver
	stray laser light.	are blocked.

z When detecting uneven workpieces

• Stable detection	• Incorrect values
even on uneven	can be detected
areas.	on the uneven
	areas.

GV-IM-E

2

Sensor Amplifier
Sensor amplifier part names
			Spot reflection (1spot) indicator*2
Reference surface (DATUM) detection			(green)
indicator*1 (red)			Current value display
Setting value display (green)			(red)	Arrow
				buttons
Laser radiation emission		DATUM	1 spot
	LASER
indicator (green)	1
Output status indicator				SEL
	OUT
(red)	2
	SET	1		MODE
[SET] button		2	TIM
			CLP
		BANK
			series

	Channel No. indicator (green)				CLP function indicator*3		[MODE] button
	Bank input indicator (green)				(red)	Timing input indicator*4 (red)
					LED bar
*1	The reference surface (DATUM) detection indicator lights up when
	performing reference surface detection. For more information, see
	"Reference surface detection (DATUM) method (Application)" on page 5
*2	of this Instruction Manual.
	The spot reflection indicator lights up during normal detection and turns off
	during multiple reflection (when multiple peaks of received light intensity
	occurs due to diffuse reflection), insufficient light intensity, and when the
	target is out of the detection range.
*3	For more information about the CLP (clamp) function indicator, see "4.
	Clamp function setting" on page 8 of this Instruction Manual.
*4	For more information about the timing input indicator, see "8. External
	input setting" on page 8 of this Instruction Manual.

Main screen

The main screen can be switched between "Current/setting value display" and "Peak/bottom value display". The main screen can be switched even during keylock.

Setting value (green)
		Current value (red)
		DATUM
SET	1	MODE
	2

or

		DATUM
SET	1	MODE
	2
		Alternate
		DATUM
SET	1	MODE
	2

Channel No. indicators	Peak value (green) Bottom value (red)
Setting value/current value display	Peak value/bottom value display
Pressing the [MODE] button switches	Pressing the [UP] arrow button
the channels (channel No. indicators).	resets the peak and bottom values.

Pressing the [Up] and [Down] arrow buttons simultaneously on the main screen forces the current value (red) to 0*.

*With the default settings. For details, see "9. Shift target value setting" on page 9 of this Instruction Manual.

Note When the channel No. 1 indicator is lit, the control output 1 (black line) setting value is displayed. When the channel No. 2 indicator is lit, the control output 2 (white line) setting value is displayed.

Operations are different in F-2 mode. (See page 5 of this Instruction Manual.)

zCurrent value and display resolution

In the default state, the current value shows 0 when the workpiece is located at the maximum detection distance. Bringing the workpiece closer to the sensor head gradually increases the value and displays it up to the minimum detection distance.

	Item		Current value
		GV-H45 (L)	GV-H130 (L)	GV-H450 (L)	GV-H1000 (L)
	Detecting range (mm)	20.0 to 45.0	55.0 to 130.0	160 to 450	200 to 1000
	Digital display (initial)	250 to 0	750 to 0	290 to 0	800 to 0
	Display resolution	1	2	1	5

Note The displayed values indicate guidelines for distances and should not be used in the actual applications for measurement.

Example When using sensor head GV-H130

Distance

0mm

Current value

55mm

750

Minimum detection distance

130mm

0

Maximum detection distance

For example, when using the defaults with the setting value (green) at 500, the comparator output turns on when the current value is 500 or greater and turns off when it is less than 500.

If multiple reflection (when multiple peaks of received light intensity occurs due to diffuse reflection) occurs during F-1, F-2, or A-1 modes, the value immediately before the current value is held.

zSetting value

The following table shows the default setting values for each channel.

	Operation	Item		Default value
	mode		GV-H45 (L)	GV-H130 (L)	GV-H450 (L)	GV-H1000 (L)
		Control output 1 (black)	150	500	200	500
	F-1, A-1,	(Channel 1 lit)
	A-2	Control output 2 (white)	125	400	150	400
		(Channel 2 lit)
		Control output 1 (black) HIGH	150	500	200	500
		(Channel 1 lit)
		Control output 1 (black) LOW	100	300	100	300
	F-2	(Channel 2 lit)
		Control output 2 (white) HIGH	125	400	150	400
		(Channel 1 flashing)
		Control output 2 (white) LOW	75	200	50	200
		(Channel 2 flashing)

zPeak/bottom values

Peak value: Resets when the detection value exceeds the setting value and holds the maximum value (peak value) until the detection value falls below the setting value again.

Bottom value: Resets when the detection value falls below the setting value and holds the minimum value (bottom value) until the detection value exceeds the setting value again.

Reference	The held peak and bottom values can be cleared by pressing and hold
	the [Up] arrow button.

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GV-IM-E