SERIE BME INC

ON-AXIS BEARINGLESS INCREMENTAL ENCODER

MECHANICAL SPECIFICATIONS
Materials	Housing: Polyamide hot melt resin Magnet: Neodymium
Maximum number of revolutions permitted mechanically	3000 rpm
Permitted gap	0.5 mm to 5 mm (Magnet option type 0, 1, 3, 4) 0.5 mm to 3 mm (Magnet option type 2)
Admissible max. misalignment (angular)	<1°
Admissible max. misalignment (radial)	0.5 mm (Magnet option type 0, 1, 3, 4) 0.3 mm (Magnet option type 2)
Protection against dust and splashes according to DIN EN 60529	IP65 (IP67 available, upon request)
Weight aprox.	0,05 Kg
Operating temperature range	-40°C to +85°C
Vibration according to DIN EN 60068-2-6	≤ 200 m/s² (55Hz…2000Hz)
Shock according to DIN EN 60068-2-27	≤ 2000 m/s² (6ms)
Radial connection	50 cm cable (other cable lenghts available on order)

OUTPUT SIGNALS
OUTPUT CIRCUIT	NPN Open Collector	Push-Pull Differential	RS422 (TTL compatible)	Push-Pull (TTL compatible)
Power supply	11…30 VDC	11…30 VDC	5 VDC ±5%	5…30 VDC
Output voltage	11…30 VDC	11…30 VDC	5 VDC	5…30 VDC
Consumption	20 mA	Tipical: 20 mA Max: 100 mA	Tipical: 20 mA Max: 100 mA	Tipical: 20 mA Max: 100 mA
Max. load capability / channel	20 mA	±20 mA	±20 mA	±20 mA
“Low” signal level	VOL < 0.4 VDC (24 VDC)	VOL < 2.5 VDC	VOL < 0.5 VDC	VOL < 2.5 VDC VOL < 0.5 VDC (Supply to 5 VDC) (*)
“High” signal level	VOH > 22 VDC (24 VDC)	VOH > VCC – 3 VDC	VOH > 2.5 VDC	VOH > VCC – 3 VDC VOH > 2.5 VDC (Supply to 5VDC) (*)
Frequency	300 kHz	300 kHz	300 kHz	300 kHz
Short circuit protection	Yes	Yes	Yes	Yes
Protection polarity inversion	Yes	Yes	Yes	Yes
Channel A leads (90° electric) channel B, view from the shaft, shaft rotating clockwise. (*) TTL/RS422 available if encoder supply is 5 VDC.