Mosrac direct drive torque motors
c-series-c1752-inductive-encoders1

c-series-c1752-inductive-encodersOuter diameter ( OD ) : 52mm

18~20 bit | Max 8000 rpm | Single turn | 5 ~24V 


The C1752 Thin-Profile Inductive Encoder is an inductive angle encoder designed based on non-contact electromagnetic induction principles utilizing wireless power

transfer technology.


The product does not include bearings and requires no coupling during installation, eliminating the need for precision mounting. The absence of components such as ball

bearings, glass encoder discs, or light sources enables the inductive encoder to deliver highly reliable angle measurement in harsh environments.

Specification

GeneralMechanical
resolution(bit)18-20

outer/inner

/height

(mm)

52/17/7.6
maximum static error±0.01°

allowable mounting eccentricity

(mm)

±0.1
repetitive error(lsb)±2

allowable axial mounting tolerance

(mm)

0.6±0.1
maximum operational speed(rpm)8000

rotor inertia

(kg·mm2)

1.18
measurement rangesingle turnweight(g)13
rotation directionadjustable cw/ccw

material

(stator/rotor)

FR-4
EnvironmentalElectrical
emc

iec 61000-6-2

iec 61000-6-4

supply voltage5~24v
operating temperature-40℃-+125℃current consumption120~130ma
storage temperature-50℃-+100℃serial output

6/8-pin connector

6/8-core cable

relative humidity0-99%communication

ssi/biss-c/rs-422/rs-485

shock endurance/

functional

100g/11ms

vibration functional20g(10-2000hz)

protectionip 40

Drawing

OD 52mm series C-Series Inductive Rotary Encoders drawing

Ordering Code

C
25
60
A
19
01
05
S
Communication protocol
B:biss-c interface/S:ssi interface
R:rs-422 serial interface/E:rs-485
Power supply voltage
05: 5V (default)
12: 12V
24: 24V
Operating temperature
01:-30°C~+85°C(efault)
02:-40°C~+125°C
Encoder output resolution
15:15-bit(32768)
17:17-bit(131072)
18:18-bit(262144)
19:19-bit(524288)
20:20-bit(1048576)
21:21-bit(2097152)
22:22-bit(4194304)
Output type
A: Single-turn absolute
Product outer diameter
60: Outer diameter 60mm
Product inner diameter
25: Inner diameter 25mm
Product Series
C: single absolute encoder
D: Upper/lower dual absolute encoder
DP: Inner/outer dual absolute encoder

Illustrated by example


C–25–60–A–19–01–05–S indicates a C-series single-turn absolute encoder with a 25 mm bore diameter and 60 mm outer diameter. “19” denotes 19-bit single-turn absolute resolution. The operating temperature range is −40 °C to ~+125 °C, the power supply is 5~30 V, and the output communication protocol is SSI.

D–21–58–A–19–02–05–E indicates a D-series absolute dual encoder with a 21 mm bore diameter and 58 mm outer diameter. “19” denotes 19-bit single-turn absolute resolution. The operating temperature range is −40 °C ~ +125 °C, the power supply is 5 V, and the output communication protocol is RS-485.

DP–20–50–A–19–02–05–E indicates a DP-series absolute dual encoder with a 20 mm bore diameter and 50 mm outer diameter. “19” denotes 19-bit single-turn absolute resolution. The operating temperature range is −40 °C ~ +125 °C, the power supply is 5 V, and the output communication protocol is RS-485.


Case studies (Customized frameless motors developed with our clients)


Case Study 4: Custom Potting Frameless Motor for Rotary Tabl
Case Study 3: Custom Frameless Torque Motor for Precision Ph
Case Study 2: Custom Frameless Motor Powers Next-Gen 5-Axis
Case study 1: The Custom Solution Based on U9419 Frameless m

Additional Info


The product consists of three components: a stator and two rotors. When energized,the stator wirelessly transmits power to the rotors while sensing their electromagnetic fields. The rotors require no power supply, receiving stator energy in real-time to generate a regular electromagnetic field through their coils


The dual-track design enables absolute angle output. The non-contact, frictionless interface between rotor and stator integrates angle calculation circuitry on the stator. Proprietary technology achieves low power consumption while integrating multiple highspeed digital interfaces. 


Both the rotor and stator feature hollow ring-shaped thin-film structures. The large hollow design facilitates easy passage through shafts, cables, and other components. During installation, the stator and rotor must be mounted coaxially and parallel to each other to ensure efficient energy transfer and electromagnetic field induction between them.


MOSRAC thin-profile inductive encoders find extensive applications in medical, defense, aerospace, industrial automation, and robotics sectors.


Features & Benefits:

✔️Non-contact

✔️Hollow shaft

✔️Compact Design

✔️High Precision

✔️Absolute Value

✔️Low Power Consumption

✔️Maintenance-free

✔️Coupling-free

✔️Easy Installation

✔️Anti-magnetic Interference

✔️Vibration and Shock ResistantV

✔️Customizable


Download

  • C1752 Inductive Rotary Absolute Encoders Datasheet.pdf

    OD: 52mm|Height: 7.6mm

  • Direct drives need high-quality position signals to ensure optimal performance. Perfect measuring signals can enhance the surface quality of machined workpieces, reduce the machine frame's vibrations, minimize velocity-dependent motor noise, and prevent excessive heat generation in the motor.


    Mosrac recommends using a magnetic encoder to enhance the accuracy, speed stability, and thermal behavior of direct drive axes. Because there is no mechanical transmission between the encoder and the feed unit, the position signals are not susceptible to inaccuracies or delays.

    Custom combinations are available on request and contact us.


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