Page 146 - Keubler Motion Sensors

Incremental encoders

Bearingless
magnetic RI20 / Limes LI20 (hollow shaft) Push-Pull / RS422
www.HydroSanatSharif.com
Order code 8.LI20 . X 1 X X . 2 XXX
Sensor head Limes LI20 Type a b c d e

a Model c Type of connection d Reference signal Stock types
1 = IP67, standard 1 = cable, 2 m [6.56‘] PUR 2 = Index periodical 8.LI20.1111.2005
2 = IP68 / IP69k and humidity tested A = radial cable, special length PUR *) 8.LI20.1111.2020
acc. to EN 60068-3-38, EN 60068-3-78 *) Available special lengths (connection type A): e Interpolation factor 8.LI20.1111.2050
3, 5, 8, 10, 15 m [9.84, 16.40, 26.25, 32.80, 49.21‘] 005, 016, 020, 050 8.LI20.1121.2005
b Output circuit / power supply order code expansion .XXXX = length in dm 8.LI20.1121.2020
1 = RS422 / 4.8 ... 26 V DC ex.: 8.LI20.111A.2005.0030 (for cable length 3 m) 8.LI20.1121.2050
2 = Push-Pull / 4.8 ... 30 V DC

Accessories / Display type 572 Order no.
Position display, 6-digit with 4 fast switch outputs
and serial interface 6.572.0116.D05
with 4 fast switch outputs and serial interface
and scalable analogue output 6.572.0116.D95
Position display, 8-digit with 4 fast switch outputs
and serial interface 6.572.0118.D05
with 4 fast switch outputs and serial interface
and scalable analogue output 6.572.0118.D95
Further accessories can be found in the accessories section or in the accessories area of our website at: www.kuebler.com/accessories.
Additional connectors can be found in the connection technology section or in the connection technology area of our website at: www.kuebler.com/connection_technology.

Technical data

Mechanical characteristics Electrical characteristics
Maximum speed 12000 min -1 Output circuit RS422 Push-Pull
Protection Model 1 IP67 acc. to EN 60529 Power supply 4.8 ... 26 VDC 4.8 ... 30 VDC
Model 2 IP68 / IP69k acc. to EN 60529, DIN 40050-9 Power consumption (no load) typ. 25 mA typ. 25 mA
and humidity tested max. 60 mA max. 60 mA
acc. to EN 60068-3-38, EN 60068-3-78
Permissible load / channel 120 Ohm +/- 20 mA
Working temperature -20°C ... +80°C [-4°F ... +176°F]

Min. pulse edge interval 1 µs
2
Shock resistance 5000 m/s , 1 ms
Signal level HIGH min. 2.5 V min. +V - 2.0 V
2
Vibration resistance 300 m/s , 10 ... 2000 Hz LOW max. 0.5 V max. 0.5 V
Pole gap 2 mm from pole to pole Reference signal index periodical
Housing (sensor head) aluminium System accuracy typ. 0.3˚ with shaft tolerance g6
2
Cable 2 m [6.56‘] long, PUR 8 x 0.14 mm [AWG 26],
shielded, may be used in trailing cable installations
Status LED green pulse-index
red error; speed too high or magnetic fields too weak
(8.LI20.XXXX.X050 and 8.LI20.XXXX.X250)
CE compliant acc. to EMC guideline 2004/108/EC
RoHS guideline 2011/65/EU
Terminal assignment
Output circuit Type of connection Cable (isolate unused wires individually before initial start-up)
Signal: 0 V +V A B 0 )
1, 2 1, A
Cable colour: WH BN GN YE GY PK BU RD shield 1)
+V: Encoder power supply +V DC
0 V: Encoder power supply ground GND (0 V)
A, : Incremental output channel A / cosine signal
B, : Incremental output channel B / sine signal
0, : Reference signal
): Plug connector housing (shield)

1) Shield is attached to connector housing.
144 www.kuebler.com © Fritz Kübler GmbH, subject to errors and changes. 02/2015