Magnetic incremental encoder - GEL 293

for heavy duty applications

High-resolution magnetic incremental rotary encoders with robust mechanical design.
Worldwide proven technology in various applications, suitable for harsh industrial environments
Hollow shaft encoder with integrated, highly flexible and torsionally rigid hollow shaft coupling for shaft diameters of 16 mm
High reliability and long service life characterize the magnetic incremental encoders

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Technical information

Properties

High resolution up to 266,240 pulses per revolution
Interpolation up to 1024-fold
Optional additional current output 0 to 20 mA, 4 to 20 mA, -20 to + 20 mA
Reference signal
High electromagnetic compatibility

Advantages

Absolute operational reliability even in case of high humidity (condensation) and frequent change of ambient temperature
Withstands extreme impacts and vibration
Resistant to dirt and oil
No ageing of the magnetic sensor technology

Downloads

Product	Document	Languages
GEL 293	Technical information	DE EN
	Technical information accessories	DE EN CN
	Operating instructions*	DE/EN

Registration required

Field of application

Heavy industry
Vibration motors
Shipbuilding
Offshore engineering

Dimensional drawings

Dimensional drawing GEL 293

All dimensions in mm [inch]

Technical data

Display of signal patterns

Signal patterns T, TN

Signal patterns T; TTL level

Signal patterns U, UN

Signal patterns U; TTL level

Signal patterns S, SN

Signal patterns S; HTL level

Signal patterns V, VN

Signal patterns VN; HTL level

Signal patterns X, XN

Signal patterns XN; HTL level

Signal pattern	T, TN	U, UN	S, SN
General
Resolution (pulses per revolution)	40 to 266240
Error limit	0.07°
Measuring step deviation	0.01°
Repeatability	0.005°
Electrical data
Supply voltage U_B	5 V DC ± 5%	10 to 30 V DC
Power consumption	≤ 1.3 W
Output signals	Two square-wave signals phase-shifted by 90° and their inverse signals (1/2) Option: Reference signal (N)z
Output signal level	TTL		HTL
Output level high	≥ U_B - 1.00 V at I = 10 mA; ≥ U_B - 1.20 V at I = 30 mA	4.00 V atI = 10 mA; ≥ 3.85 V atI = 30 mA	≥ U_B - 1.80 V at I = 10 mA; ≥ U_B - 2.20 V at I = 30 mA
Output level low	≤ 0.75 V at I = 10 mA; ≤ 1.00 V at I = 30 mA		≤ 1.15 V at I = 10 mA; ≤ 1.55 V at I = 30 mA
Mechanical data
Moment of inertia of rotor	8 × 10^-5 kgm²
Maximum rotational speed	8000 min^-1
Weight	≈ 0.7 kg
Permissible coupling offset axial lateral	± 1.0 mm ± 0.5 mm
Bearing life	> 1.5 × 10⁹ revolutions
Housing material	Polyamid glass fiber reinforced
Flange material	Stainless steel X12CrMoS17 - 1.4104
Environmental conditions
Working temperature	0 to +70 °C (option1) -20 °C to +85 °C (option3)
Operating temperature range	-20 °C to +85 °C
Storage temperature range	-40 °C to +105 °C
Degree of protection	IP 66 IP 64 for versions with condensed water outlet
Vibration resistance (DIN EN 600068-2-6)	100 m/s², 10 to 2000 Hz
Shock resistance (DIN EN 60068-2-27)	1000 m/s², 11 ms
Electromagnetic compatibility	DIN EN 61000-6-1:2007-10, EN 61000-6-1:2007 DIN EN 61000-6-2:2006-03, EN 61000-6-2:2005 DIN EN 61000-6-3:2011-09, EN 61000-6-3:2007 + A1:2011 DIN EN 61000-6-4:2011-09, EN 61000-6-4:2007 + A1:2011
Insulation resistance	500 V DC, > 1 MΩ
Voltage sustaining capability	500 V AC, 1 minute
Special requirements
Rail transport standards	upon request