SERIE 77

INCREMENTAL HOLLOW SHAFT ENCODER FOR INDUSTRIAL APPLICATIONS

Resolution up to 5.000 pulses per turn
External diameter 77 mm
Hollow shaft up to Ø 25 mm
Protection class IP65 according to DIN 40050
Shaft fixing through front or rear setscrews
Anti-rotation system using elastic flange
Connection by cable (any cable lenght available) or industrial connector M23

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MECHANICAL SPECIFICATIONS
Materials	Cover: Aluminium Housing: Aluminium Shaft: Stainless Steel
Bearings	Ballraces
Bearings lifetime	1×10¹⁰ rev.
Housing fixation	Flexible flange
Shaft fixation	Front or Rear setscrews
Hollow shaft diameter	15, 16, 17, 18, 19, 20, 24 or 25 mm
Maximum number of revolutions permitted mechanically	6000 rpm
Protection against dust and splashes according to DIN EN 60529	IP65
Rotor inertia moment	≤ 1 Kg cm²
Starting torque at 20ºC (68ºF)	≤ 0,04 Nm
Maximum load permitted on axial shaft	≤ 100 N
Maximum load permitted on radial shaft	≤ 200 N
Permited misalignment:	±0.5 mm axial, ±0.3 mm radial (90.1025 – one) ±0.4 mm axial, ±0.2 mm radial (90.1025 – three)
Weight aprox.	0,5 Kg
Operating temperature range	-20°C to +80°C – Standard -40°C to +80°C – Special Customer NT00
Vibration according to DIN EN 60068-2-6	100 m/s² (10Hz…2000Hz)
Shock according to DIN EN 60068-2-27	1000 m/s ² (6ms)
Maximum pulses per turn	5.000
Radial connection	2 meters cable or industrial connector M23 (other cable lenghts available on order) Female connector not included

OUTPUT SIGNALS
OUTPUT CIRCUIT	NPN Open Collector	Push-Pull Differential	RS422 (TTL compatible)	RS422 (TTL compatible)
Power supply	11…30 VDC	11…30 VDC	5 VDC ±10%	11…30 VDC
Output voltage	11…30 VDC	11…30 VDC	5 VDC	5 VDC
Consumption	40 mA	Tipical: 45 mA Max: 150 mA	Tipical: 70 mA Max: 150 mA	Tipical: 80 mA Max: 160 mA
Max. load capability / channel	40 mA	±30 mA	±20 mA	±20 mA
Lenght of cable allowed	50 m (24 VDC)	100 m	1200 m	1200 m
“Low” signal level	VOL < 0.4 VDC (24 VDC)	VOL < 2.5 VDC	VOL < 0,5 VDC	VOL < 0,5 VDC
“High” signal level	VOH > 22 VDC (24 VDC)	VOH > 2.5 VDC	VOH > 2.5 VDC	VOH > 2.5 VDC
Frequency	100 kHz	200 kHz	300 kHz	300 kHz
Short circuit protection	Not permanent	Yes	Yes	Yes
Protection polarity inversion	Yes	Yes	Yes	Yes
Channel B leads (90° electric) channel A, view from the shaft, shaft rotating clockwise