High-end absolute linear encoders – GA Series

Encoder lineal absoluto  LA

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

Model description:
GA: Absolute linear encoders with SSI protocol for FAGOR and others.
GAS: Absolute linear encoders with SSI protocol for SIEMENS® (Solution Line).
GAF: Absolute linear encoders with FANUC® (01 and 02) protocol.
GAM: Absolute linear encoders with MITSUBISHI® CNC protocol.
GAP: Absolute linear encoders with PANASONIC® (Matsushita) protocol.
GAD: Absolute linear encoders with FeeDat protocol for FAGOR and others.
GAD + EC-PA-DQ: Linear and absolute encoders with DRIVE-CLiQ® protocol, for SIEMENS® (Solution Line).

Characteristics:
GA / GAS GAF GAM GAP GAD GAD+EC-PA-DQ
Measurement Incremental: By means of a 20 μm-pitch stainless steel tape
Absolute: Optical reading of sequential binary code
Glass thermal expansion coefficient αtherm: 8 ppm/K aprox.
Measuring resolution 0,1 μm 0,01 μm 0,05 μm 0,01 μm 0,05 μm 0,01 μm 0,05 μm 0,01 μm 0,05 μm 0,01 μm 0,05 μm
Output signals onda-senoidal1 Vpp - - - - -
Incremental signal period 20 μm - - - - -
Limit frequency < 100 KHz para 1 Vpp - - - - -
Maximum cable length 100 m 30 m 30 m 30 m 100 m 30 m
Supply voltage 5 V ± 10%, <250 mA (sin carga)
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
± 5 μm/m
± 3 μm/m
Maximum speed 180 m/min 180 m/min 180 m/min 180 m/min 180 m/min 180 m/min 180 m/min 180 m/min 180 m/min
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
Weigth 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 head With built-in connector
Connection at both ends of the reader head

GA model:

Order identification:
Ejempe of Linear Encoder: GAF10-1640-5-A
G A F 10 1640 5 A
Type of profile for long space Letter identifying the absolute encoder Type of communications protocol:
• Blank space: SSI protocol (FAGOR)
• D: FeeDat protocol (FAGOR)
• S: SSI SIEMENS® (SL) protocol
• F: FANUC® (01 and 02) protocol
• M: MITSUBISHI® CNC protocol
• P: PANASONIC® (Matsushita) protocol
Resolution:
• Blank space: 50 nm
50: 50 nm (*)
10: 10 nm
Measuring lengths in milimeters:
In the example
(1640) = 1640 mm
Accurancy 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

(*): identifier only for FeeDat GAD50 protocol

  • FeeDat® is a registered trademark of Fagor Automation,
  • DRIVE-CLiQ® is a registered trademark of SIEMENS® Aktiengesellschaft, SIEMENS® is a registered trademark of SIEMENS® Aktiengesellschaft,
  • FANUC® is a registered trademark of FANUC® Ltd.
  • MITSUBISHI® is a registered trademark of MITSUBISHI® Shoji Kaisha, Ltd.
  • PANASONIC® is a registered trademark of PANASONIC® Corporation and
  • BiSS® is a registered trademark of IC-Hauss GmbH.