The following symbols alert you to matters concerning the prevention of
human injury and product damage. Be sure to read these messages carefully.
Safety Information for GT2-100 Series
96M12754
Series Instruction Manual
It indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
It indicates a situation which, if not avoided, could result
in product damage as well as property damage.
If the following conditions are encountered, immediately turn
OFF the power. Continuing to use the GT2-100 Series under
these abnormal conditions may cause equipment failure.
• When water or foreign matter enters the controller
• When the GT2-100 Series is dropped or the housing is
damaged
• When the GT2-100 Series produces smoke or an
abnormal smell
• Do not use the GT2-100 Series with a voltage other
than specified voltage, as this may cause fire, electric
shock or equipment failure.
• Do not disassemble or modify the GT2-100 Series.
This may cause fire or electric shock.
• Do not use this product for the purpose to protect a
human body or a part of human body.
• This product is not intended for use as explosion-proof
product. Do not use this product in a hazardous
location and/or potentially explosive atmosphere.
•
Be sure to turn OFF the power of the GT2-100 Series and
any connected devices before connecting or disconnecting
the cables. Otherwise, there may be a risk of damage.
•
Do not turn OFF the power while setting parameters.
Otherwise, the settings may be partially or completely lost.
• At startup and during operation, be sure to monitor the
function performance of the GT2-100 Series.
• Do not modify the GT2-100 Series or use it in any way
other than described in the specifications.
• The function performance of products used or modified
in this way cannot be guaranteed.
•
When the GT2-100 Series is used in combination with
other instruments, function performance may be degraded,
depending on operating conditions and the surrounding
environment. Use the GT2-100 Series after fully studying
the effect of combined use with other instruments.
• Do not expose the GT2-100 Series and peripheral
devices to sudden temperature change. This may
cause condensation, damaging the equipment.
●
Environmental conditions
To use the GT2-100 Series properly and safely, do not
install the GT2-100 Series in the following locations.
Use of this equipment in an improper environment
may cause equipment failure.
•
Locations outside
•
Locations with high humidity, a large amount of dust,
or poor ventilation
•
Locations where the temperature rises excessively
due to direct sunlight, etc.
•
Locations near corrosive or flammable gas
•
Locations where the GT2-100 Series is directly
subjected to vibration or impact
•
Locations where water, oil or chemicals may come into
contact with the GT2-100 Series
•
Locations where static electricity may easily occur
●
Noise countermeasures
Installation near sources of electrical noise such as a
power source or a power cable may cause malfunction
or failure of the equipment. Adopt appropriate
countermeasures against noise by using a noise filter
or wiring cables in separate ducts, attaching insulation
to the amplifier or the sensor head, etc.
●
Handling of the sensor head
•
The GT2-100 Series and peripheral devices are precision
machines. Do not drop, or cause any other impact to these
devices. Doing so may cause damage or malfunction.
•
Do not apply force greater than what is listed below to the spindle. Do not
apply torque in the rotation direction. Otherwise the spindle may break.
•
The GT2-P12KL(F)/P12L(F)/PA12K/PA12 spindle can rotate a
maximum of about 4.5°. When using an offset contact (OP-
77683) or similar, if pressure in the rotational direction is
applied to the contact, the measurement position may change.
•
Although the GT2-PA12K/PA12/H12K/H12KF/H12/H12F/
H32/H50/A12K/A12/A32/A50 has a protection rating of
IP67, avoid using it immersed in water or in places where
liquid such as oil may come into contact with it.
•
Although the GT2-P12K(F)/P12(F) has a protection rating of
IP67G/NEMA Type 13, some types of oil may damage the device.
•
If dust, metal powder, or similar becomes attached to the sliding part
of the sensor head, mechanical responses may become slow. If this
happens, replace the dust seal with a replacement dust seal (OP-
87932). Refer to the instruction manual included with the replacement
dust seal (OP-87932) for instructions on how to replace the dust seal.
■
Other precautions
●
Effects of surrounding air temperature
To use the GT2-100 Series in high accuracy applications, do not use the GT2-100
Series in the environment in which the surrounding air temperature changes sharply.
It will take about 40 minutes on the 12 mm type, and 60 minutes for the 32 mm/50 mm type for the
internal temperature distribution to stabilize when the surrounding air temperature has changed by 10°C.
●
Warming up
The circuit is not stable immediately after the power turns ON, which
sometimes causes the indicated value to gradually fluctuate. Wait for about
5 minutes when using the 12 mm type and about 10 minutes when using
the 32/50 mm type after the power turns on before starting operation.
●
GT2-PA12K/PA12 (See illustration 1 for the pneumatic circuit)
•
This model uses a single-acting cylinder. The internal spring will
return the sensor head to its home position.
•
The air supply hole cannot be removed.
•
Use an air filter, mist separator, etc. to provide clean dry air. Empty the
drainage from the filter regularly, before it exceeds the specified line.
•
Before connecting the air tube to the air supply hole, be sure to blow plenty of
air through the pipes (flushing) to remove any foreign matter.
•
Make sure that the air pressure of the supplied air is constant and in the range
of 0.24 to 0.26 MPa. Use a precision regulator to control the air pressure. If
the air pressure is below 0.24 MPa, the spindle may not extend fully.
•
When supplying air (with the spindle extended), up to 3L/min of air will be
emitted from the tip of the dust seal.
•
The measuring ability of the device changes according to the air pressure
of the air supply. Refer to "Specifications" (Page 14) for details.
●
GT2-A12K(L)/A12(L)/A32/A50 (See illustration 1 for the pneumatic circuit)
•
This model uses a single-acting cylinder. The internal spring will return the sensor head to
its home position when air pressure is removed. DO NOT supply air to the exhaust valve.
•
The air cylinder cannot be removed.
•
Use the regulator to supply the stable air pressure to the sensor head.
•
Use the air filter and mist separators to supply dry air. Empty the
drainage from the filter regularly, before it exceeds the specified line.
•
Make sure that the air pressure of the air supply is constant and in the range of 0.25 MPa to 0.5 MPa.
•
The coupling socket and the exhaust valve that are supplied with the
air cylinder are dedicated for this product. They cannot be removed.
●
Power su pply
•
Noise superimposed on the power supply may cause malfunction. Be sure to
use the DC stabilized power supply provided with an insulation transformer.
•
In the case of a commercially available switching regulator, be
sure to ground the frame ground terminal or the ground terminal.
●
About the dust boot
When the dust boot of the sensor head is damaged, use an optional dust boot sold
separately (For GT2-P12K(F)/P12(F)/H12K(F)/H12(F)/A12K/A12: OP-84332 (Material: NBR
(attached when shipped)). For GT2-P12K(F)/P12(F): OP-87859 (Material: Fluororubber).
For GT2-H32/A32: OP-84459 (Material: NBR (attached when shipped)). For GT2-H50/A50
(Material: NBR (attached when shipped)).). Attach the dust boot correctly.
The dust boot may deteriorate, depending on the environment it is
used in. In this case, replace the dust boot regularly.
*
Do not use the dust boot on the GT2-P12KL/P12L/PA12K/PA12/H12KL(F)/H12L(F)/H32L.
Precautions on Regulations and Standards
■
CE Marking
●
EMC Directive (2004/108/EC)
•
Applicable standardEMI:EN61326-1, Class A
EMS:EN61326-1
•
This product is designed for use in industrial environments.
•
The length of cable connected to the power supply terminal block
must be less than or equal to 30 m.
Remarks: These specifications do not give any guarantee that the end-product
with this product incorporated complies with the essential requirements of EMC
Directive. The manufacturer of the end-product is solely responsible for the
compliance on the end-product itself according to EMC Directive.
■
UL Certificate
UL File No. E120439 (Categor y: NRNT2/NRNT8)
•
Use the power supply with Class 2 output defined in NFPA70
(NEC: National Electrical Code).
•
GT2 series are evaluated as open type devices. These products
can not be a part of an enclosure.
1
GT2-100-M-E
Package Contents
NOTICE
OP-22185
(MIL socket connector 20-pin)
Hood cover, Housing x 1
Contact x 25
OP-84456
(MIL socket connector 30-pin)
Hood cover, Housing x 1
Contact x 35
GT2-H12K/H12
GT2-H12KL/H12L
Sensor head x 1Sensor head x 1
Precautions for Handling x 1 Precautions for Handling x 1
GT2-A12KL/A12L
Sensor head x 1
Precautions for handling x 1
GT2-H32GT2-H32L
Sensor head x 1Sensor head x 1
Precautions for Handling x 1 Precautions for Handling x 1
GT2-A12K/A12
Sensor head x 1
Precautions for handling x 1
Sensor head x 1Sensor head x 1
Precautions for handling x 1 Precautions for handling x 1
Sensor head x 1
Precautions for handling x 1
Sensor head x 1
Precautions for handling x 1
Nut x 1
Key spanner x 1
Sensor head x 1
Precautions for handling x 1
Nut x 1
Key spanner x 1
Sensor head x 1
Precautions for handling x 1
Nut x 1
Key spanner x 1
*1Covered with a
sticker a t the ti me
of shipment.
*2A cover is attached when shipped from the factory.
Tightening torque
0.5 to 0.8 N•m (5.1 to 8.1 kgf•cm)
The product package of each model should include the following items.
Check that all items are included before use.
■
Amplifier parts
●
Amplifier
GT2-100N/100P
Identifying Part Names and Functions
■
Front (display/operation section)
Amplifier x 1
Instruction manual x 1Mounting bracket x 4
●
Head expansion board
GT2-E3N/E3P
Head expansion board x 1Dummy connector x 2
●
I/O connector
■
Sensor head parts
●
Sensor head
(Mounted on the board)
Dummy connector x 1
(Mounted on the amplifier)
■
Rear (connection section)
Do not connect devices other than the DL Series
communication unit to the DL connector.
Mounting the Amplifier and Wiring
■
Mounting the amplifier
●
Mounting on a panel
1
Create a panel opening for mounting referring to the dimensions below.
163 min.
+1
‑0
76
+1
139.5
‑0
Panel thickness of mounting area
1 to 6 mm
81 min.
(unit: mm)
Panel cut dimension
●
GT2-100-M-E
Sensor head connection cable
• The M8 L-shaped connector type cable cannot be
All possible care was taken in packaging; however, if any parts are found to
be defective or broken, please contact your nearest KEYENCE sales office.
•
used with the GT2-H32(L)/H50/A32/A50.
When a protection rating of IP67G and NEMA Type 13
enclosure is required for GT2-P12K(F)/P12(F), or a
protection rating of IP67G is required for GT2-PA12K/
GT2-PA12 use an M8 oil-resistant straight connector
type cable. Other cables do not meet the IP67G
protection rating or NEMA Type 13 enclosure rating.
2
Insert the main unit from the front side of the panel into the
opening for mounting.
3
Secure the main unit on the panel using the included mounting bracket.
Attach the mounting brackets on the sides of the unit (2 points on each
side).
4
Tighten the screw of the mounting bracket.
2
●
NOTICE
40
150
163 min.
4-M4 tap
(unit: mm)
Secure with the include d four screws.
DC20-30V
B
d
NOTICE
B
φd
(When connecting t he I/O connector)
(When disconnec ting the I/O connector)
191715131197531
2018161412108642
ID:1ID:0
Pin
No.
Signal name
Pin
No.
Signal name
1 HIGH output11 HIGH output
2 LOW output12 LOW output
3 GO output13 GO output
4 HH output14 HH output
5 LL output15 LL output
6 P RESET in put 16 PRESET inp ut
7 BANK A input 17 BANK A input
8 BANK B input 18 BANK B input
9 RESET input19 RESET input
10 TIMING input 20 TIMING input
Head expansion board connection slot
1 to 3
Mounting on a table
When mounting the amplifier on a table, use the large amplifier
mounting bracket (OP-84331).
1
Create on a table opening for mounting referring to the
dimensions below.
2
Attach the large amplifier mounting bracket (OP-84331) on the
amplifier.
Use the four tapping screws supplied with the large amplifier to attach the
mounting bracket.
Round terminal
Applicable dimension
B: Outer size of round area 6 mm max.
d:
Diameter of inner round area
3.2 mm min.
(joint area with screw)
■
Connecting the I/O connector
For the input and output of the GT2-100N/100P, use OP-22185 (MIL socket
connector 20-pin) sold separately.
For the information on how to assemble the connector and how to connect
the power cable, refer to "GT2-100 Series User's Manual".
●
Pin arrangement of I/O connector
Refer to page 15 of this manual for details about I/O circuits.
Apply tightening torque between 0.8 and 1.0 N•m.
3
Secure the amplifier with M4 screws.
■
Connecting the power supply
●
Applicable wire
For the wire for the power supply, use the wire that meets the
following specifications for the power supply wire.
Wire size: AWG26 to16
Cross-sectional area: 0.2 to 1.65 mm
2
Connecting Three or More Heads
• Two heads can be connected to the amplifier unit (GT2-100N/100P)
as standard.
• When adding three or more heads, use the optional head expansion
board (GT2-E3N/E3P) sold separately to the rear of the amplifier.
• Three heads can be added to one head expansion board. Up to
three head expansion boards can be added. So the maximum of
eleven heads can be added.
■
Mounting the head expansion board
1
Detach the head expansion board connection slot cover at the
rear of the amplifier.
The cover is fixed with the M3 screws (2 pieces).
●
Crimp-type terminal
The power supply terminal of the amplifier uses M3 screws.
Use the Y or round terminal in the following size
Y terminal
B: Outer size of Y area6 mm max.
d: Width of inner Y area3.2 mm min.
(joint area with screw)
Applicable dimension
2
Insert the head expansion board along the guide rail.
Make sure the head expansion board is fully seated.
3
GT2-100-M-E
3
NOTICE
Fix with screws
I/O connector for
expansion unit: ID 02 to 04
I/O connector for
expansion unit: ID 05 to 07
I/O connector for
expansion unit: ID 08 to 10
I/O connector for
main unit: ID 00 / expansion unit: ID 01
Sensor head conn ectors
(When connecting t he I/O connector)
(When disconnec ting the I/O connector )
2927252321191715131197531
30282624222018161412108642
ID:4ID:3ID:2
Pin
No.
Signal name
Pin
No.
Signal name
Pin
No.
Signal name
1 HIGH output11 HIGH output21 HIGH output
2 LOW output12 LOW output22 LOW output
3 GO output13 GO output23 GO output
4 HH output14 HH outpu t24 HH out put
5 LL output15 LL output25 LL output
6 PRESET input 16 PRESET input 26 PRESET input
7 BANK A input 17 BANK A input 27 BANK A input
8 BANK B input 18 BANK B input 28 BANK B input
9 RESET input19 RESET input29 RESET input
10 TIMING input 20 TIMING input 30 TIMING input
OK/NG indicator
for each Head No.
Head ID
indicator
[Head select]
button
The heads of ID 00 to ID 04 are available
When activating the h eads of ID 00 to
When selecting the he ads of ID 00 to
When valid ID = 3 is select ed
Attach the head expansion board with the screws.
Attach the head expansion board with the two M3 screws used to
mount the cover.
To remove the head expansion board, reverse the steps above.
• Apply tightening torque of 0.5 to 0.7 N•m
• Be sure to attach the head expansion board with
screws.
• Be sure to connect the head expansion boards
sequentially from the upper slot.
■
Assigning the head ID No.
The head ID No. is assigned according to the position of the
connector to which the head is connected.
ID 00 ID 01
ID 02 ID 03 ID 04
ID 05 ID 06 ID 07
ID 08 ID 09 ID 10
Reference
■
Mounting the I/O connector for expansion units
• The assigned head ID No. cannot be changed.
• Be sure to connect the sensor heads sequentially
without skipping a connector. If the head expansion
board has a connector to which no sensor head is
connected, disable the unused connector in the
valid ID setting.
• The sensor heads exceeding the IDs set in the valid
ID setting cannot be recognized.
For the input and output of the GT2-E3N/E3P, use OP-84456 (MIL
socket connector 30-pin) sold separately.
For the information on how to assemble the connector and how to
connect the power cable, refer to "GT2-100 Series User's Manual".
●
Pin arrangement of I/O connector
For details about the I/O circuit, refer to page 15 of this instruction manual.
Valid ID Setting
On the GT2-100 Series, the expansion unit head ID No. is preassigned. When turning on the power for the first time or changing the
number of connected sensor heads, set the valid ID.
■
Default values of the valid ID
The initial value of the valid ID setting varies depending on the
number of head expansion boards.
Number of head
expansion boards
0 boardsid = 1
1 boardid = 4
2 boardsid = 7
3 boardsid = 10
•
When using the unit with the initial values, connect the maximum number
of sensor heads. When the number of the connected sensor heads is
less than the valid number of connected units, "ErH (head connection
error)" appears along with the ID to which no sensor head is connected.
•
When the number of the connected sensor heads is less than the
maximum number of connected units, change "27. id (Valid ID
Setting)" in the additional function setting mode.
■
Changing the valid ID
1
Turn on the power.
The main display appears.
2
Press the [MODE] button and the
left Arrow button at the same time
for at least two seconds.
The GT2-100 Series enters the
additional function setting mode.
Reference
3
Press the right Arrow button
Be sure to operate while [0] on the head ID indicator lights in red.
until “27. id” appears.
The valid ID setting mode is
displayed.
4
Press the top/bottom Arrow
buttons once.
The current setting value is
displayed.
5
Press the top/bottom Arrow
button to select valid IDs.
Initial
Maximum number of connecting
value
Main unit: 1 unit, Expansion unit: 1 unit
Main unit: 1 unit, Expansion unit: 4 units
Main unit: 1 unit, Expansion unit: 7 units
Main unit: 1 unit, Expansion unit: 10 units
"Amplifier display" (Page 8)
sensor heads
GT2-100-M-E
.
Reference
While setting the valid
IDs, the head ID indicator
of the expansion unit
currently set as the
available range blinks in
green, and the display "id
= **" appears on the
digital LED display.
6
Press the [MODE] button (or click the right Arrow button) to
exit the valid ID setting mode.
When the setting is completed,
press the [MODE] button again
to exit the additional function
setting mode. The usable head
ID indicator and its head OK/
NG indicator turn on.
Reference
The ID of the sensor head exceeding the IDs set in the
valid ID setting cannot be recognized.
For the unrecognized ID, its head ID indicator and its
head OK/NG indicator are turned off, and the unused
ID cannot be selected.
4
Connecting and Mounting the Sensor Head
NOTICE
Operation indicator
Relay connector
Cable
connector
Dust boot
Mounting fixture
Dust boot
*
Spindle
Contact
Dust boot
●
GT2-P12K(L)/P12(L)
●
GT2-P12KF/P12F
Cable between
the sensor
head and relay
connector
●
GT2-PA12K/PA12
Relay connector
Cable
connector
Cable
connector
Cable
between the
sensor head
and relay
connector
Operation indicator
Cable between
the sensor
head and relay
connector
Mounting fixt ure
Operation indicator
Contact
Spindle
Air supply hole
Dust seal
*1 A mounting bracket isattached to
GT2-H12KF/H12F/H12KLF/H12LF.
*2 Not included in the GT2-H12KL/H12L/H12KLF/H12LF.
Contact
Head indicator
Head indicator
Contact
Dust boot*
3
Bracket fixing
part
Cable connector
Cable connector
Bracket fixing
part*
1
Dust boot*
2
Contact
Dust boot
Spindle
*3 Not included in the GT2-H32L.
Dust boot
Dust boot*
Dust boot
Coupling socket
Coupling socket
Air cylinder
Air cylinder
Head indicator
Head indicator
Cable connector
Cable connector
Exhaust valve
Exhaust valve
Spindle
Contact
Mounting fixture
Mounting fixture
Contact
Contact
* Not included in the GT2-A12KL/A12L.
click
Lock cover
Unlocked
Orient the conn ector so that t he lock lever is on the r ight side.
When mounting the
GT2-H32L facing
upward, be sure to
use the mounting
holes on the side of
the sensor head. If
the sensor head is
mounted using head
mounting bracket D,
the spindle may not
fully extend.
Mounting
illustration
■
Names of parts of the sensor head
* Not included in the GT2-P12KL/P12L.
●
GT2-H12K(L)(F)(LF)/H12(L)(F)(LF)/H32(L)/H50
●
For units other than GT2-P***/PA***
1
Insert the sensor head connection
cable into the cable connector of the
sensor head.
2
Secure the connector by rotating the
grooved portion of the sensor head
connection cable.
• When connecting the connector, be sure to insert it
without tilt, and tighten it securely. (Recommended
tightening torque: 0.4 to 0.5 N•m*)
If the connection is not tight enough, the connector
may be loosened by vibration or other causes,
NOTICE
•
To disconnect the sensor head connection cable, reverse the steps above.
■
Connecting the amplifier
1
Remove the lock cover of the connector of the sensor head
leading to a connection failure.
(* After tightening it strongly by hand, use pliers or
other tools to rotate it about 30° for further
tightening.)
• The M8 L-shaped connector (GT2-CHL*M) cannot
be used with the GT2-H32(L)/H50/A32/A50.
connection cable, and insert the sensor head connection cable
into the connector on the back of the amplifier until it clicks.
Arrow
●
GT2-A12K(L)/A12(L)/A32/A50
■
Connecting the sensor head connection cable
●
For GT2-P***/PA***
1
Insert the sensor head connection
cable into the cable connector on the
relay connector cable.
2
Secure the connector with the sensor
head connection cable screw.
• When connecting the connector, be sure to insert it
straight, and tighten it securely. (Recommended
tightening torque: 0.4 to 0.5 N
If the connection is not tight enough, the connector
may be loosened by vibration or other causes,
leading to a connection failure.
(* After tightening it firmly by hand, use pliers or
other tools to rotate it about 30° for further
tightening.)
• When the head is attached to a moving part, and
the cable will be repeatedly bent, ensure that the
cable between the sensor head and relay
connector does not bend. Instead, bend the sensor
head cable connecting the relay connector and the
amplifier.
•
m*)
To disconnect the sensor head connection cable,
NOTICE
2
Put the lock cover on the connector, and lock the lock cover.
■
Mounting the sensor head
●
Mounting directly to a jig
Before mounting the sensor head directory to a jig, create a hole on the
jig. Attach the sensor head using the optional head mounting bracket
sold separately. A mounting bracket is provided with the GT2-P12KF/
P12F/H12K(L)F/H12(L)F as standard. Attach it with the supplied nut.
press and hold the lock lever on the side of the
connecter and disconnect the cable.
NOTICE
5
GT2-100-M-E
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