High-end incremental linear encoders – G Series

 Incremental linear encoder – G series

Specially designed for high performance environment requiring high speed and accuracy.

The TDMS™ mounting system ensures greater accuracy, higher repeatability and ability to withstand vibrations without compromising machine performance.

Measuring lengths in millimeters
140 • 240 • 340 • 440 • 540 • 640 • 740 • 840 • 940 • 1 040 • 1 140 • 1 240 • 1 340 • 1 440 • 1 540 • 1 640 • 1 740 • 1 840 • 2 040 • 2 240 • 2 440 • 2 640 • 2 840 • 3 040

Characteristics:
GX GY GW GZ GP
Measurement By means of a 20 μm-pitch graduated glass
Glass thermal expansion coefficient αtherm: 8 ppm/K aprox.
Measuring resolution 1 μm 0,5 μm 0,1 μm 0,05 μm Hasta 0,1 μm
Output signals salida-TTL-diferencialTTL differential salida-TTL-diferencialTTL differential salida-TTL-diferencialTTL differential salida-TTL-diferencialTTL differential onda-senoidal1 Vpp
Incremental signal period 4 μm 2 μm 0,4 μm 0,2 μm 20 μm
Limit frequency 500 KHz 1 MHz 1,5 MHz 500 KHz 100 KHz
Maximum speed 120 m/min 120 m/min 36 m/min 6 m/min (*) 120 m/min
Minimum distance between flanks 0,5 microseconds 0,25 microseconds 0,1 microseconds 0,3 microseconds -
Reference marks I0 GX, GY, GW, GZ y GP: every 50 mm
GOX, GOY, GOW, GOZ y GOP: distance-coded I0
GSX, GSY, GSW, GSZ y GSP: selectable I0
Maximum cable length 50 m 50 m 50 m 50 m 150 m
Supply voltage 5 V ± 10%, < 150 mA (without load)
Accuracy ± 5 μm/m
± 3 μm/m
± 5 μm/m
± 3 μm/m
± 5 μm/m
± 3 μm/m
± 5 μm/m
± 3 μm/m
± 5 μm/m
± 3 μm/m
Maximum vibration 20 g (55 … 2000 Hz) IEC 60068-2-6
Maximum shock 30 g (11 ms) IEC 60068-2-27
Maximum acceleration 10 g in the measuring direction
Required moving force < 5 N
Operating temperature 0 ºC … 50 ºC
Storage temperature -20 ºC ... 70 ºC
Weight 0,25 kg + 2,25 kg/m
Relative humidity 20 … 80%
Protection IP 53 (standard)
IP 64 (DIN 40050) using pressurized air at 0.8 ± 0.2 bar in linear encoders
Reader With built-in connector
Connection at both ends of the reader head

(*): contact FAGOR for higher speed

G model:

Order identification:
Example of Linear Encoder: GOX – 1640 – 5 – A
G 0 X 1640 5 A
Type of profile for wide space Type of reference mark I0:
• Blank space: Incremental, one mark every 50 mm
O: Distance-coded marks
• S: Selectable reference marks
Type of signal:
• X: 1 μm resolution differential TTL
• Y: 0.5 μm resolution differential TTL
• W: 0.1 μm resolution differential TTL
• Z: 0.05 μm resolution differential TTL
• P: 1 Vpp sinusoidal
Measuring lengths in millimeters:
In the example
(1640) = 1 640 mm
Accuracy of the linear encoder:
• 5: ± 5 μm
• 3: ± 3 μm
Air intake on the reader head:
• Blank space:
Without air intake
• A: With air intake