Page 145 - Keubler Motion Sensors

Incremental encoders

Bearingless
magnetic RI20 / Limes LI20 (hollow shaft) Push-Pull / RS422
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Thanks to its installation depth of only 16 mm, the bearingless magnetic
rotary encoder RI20 / Limes LI20, comprising a magnetic ring and sensor
head, is ideally suited for plants and machinery where space is very tight.
The non-contact measuring principle allows for error-free use even under
harsh environmental conditions, as well as ensuring a long service life.
For outdoor use with extremely sturdy aluminium housing and stainless steel
cover, wide temperature range as well as a UV-resistant cable. IP68 / IP69k
protection, special encapsulation technology and tested resistance to Incremental encoders
cyclic humidity and damp heat offer the highest levels of reliability, even in
exposed outdoor use.
RoHS

IP
High rotational High protection Shock / vibration Reverse polarity
speed level resistant protection

Hard-wearing and robust Fast start-up
• High shock and vibration resistance. • Requires very little installation space.
• Sturdy housing with IP67 protection. Option: special housing • Large mounting tolerance between magnetic band and
for maximum resistance against condensation (IP68 / IP69k, sensor head.
resistance to cyclic humidity acc. to EN 60068-3-38 as well as • Slotted hole fixing ensures simple alignment.
damp heat acc. to EN 60068-3-78). • Function display via LED.
• Non-contact measuring system, free from wear, ensures a
long service life.

Selection guide magnetic ring RI20 / Limes LI20
1)
Pulses per revolution Order code Order code Max. rotational speed
-1 2)
(further ppr on request) magnetic ring RI20 sensor head Limes LI20 min
250 8.RI20.031.XXXX.111 8.LI20.11X1.2005 12 000
1 000 8.RI20.031.XXXX.111 8.LI20.11X1.2020 2 400
2 500 8.RI20.031.XXXX.111 8.LI20.11X1.2050 3 900
1 024 8.RI20.041.XXXX.111 8.LI20.11X1.2016 7 000
360 8.RI20.045.XXXX.111 8.LI20.11X1.2005 12 000
3 600 8.RI20.045.XXXX.111 8.LI20.11X1.2050 2 700

Order code 8.RI20 . XXX . XXXX . 111 Min. order quantity for non-stock types: 10 pieces
Magnetic ring RI20 Type a b
a Outer diameter b Bore diameter Stock types
031 = 31 mm [1.22“] 0800 = 8 mm [0.32“] 1800 = 18 mm [0.71“] 0952 = 3/8“ 8.RI20.031.0800.111
041 = 41.2 mm [1.62“] 1000 = 10 mm [0.39“] 2000 = 20 mm [0.79“] 1587 = 5/8“ 8.RI20.031.1000.111
3)
045 = 45 mm [1.77“] 1200 = 12 mm [0.47“] 2500 = 25 mm [0.98“] 2540 = 1“ 3) 8.RI20.031.1200.111
1500 = 15 mm [0.59“] 3000 = 30 mm [1.18“] 3) 8.RI20.031.1500.111
8.RI20.041.0800.111
8.RI20.045.1200.111
8.RI20.045.1500.111
8.RI20.045.2500.111
8.RI20.045.2540.111
8.RI20.045.3000.111

1) The pulse rate (ppr) results from the combination of the magnetic
sensor with the various outer diameters.
2) With an input frequency of the evaluation unit of 250 kHz.
3) Only possible for outer diameter 045.
© Fritz Kübler GmbH, subject to errors and changes. 02/2015 www.kuebler.com 143