Incremental Encoder SCH24

Incremental Encoder SCH24

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Christian Willmann
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  • SCH24
Mini encoder with hollow shaft   Characteristics:     Encoder:... more
Product information "Incremental Encoder SCH24"
Mini encoder with hollow shaft
 
Characteristics:
 
 
  • Encoder: Ø24 mm
  • Hollow Bore: Ø2 mm - Ø4 mm
  • Resolution up to 7500 ppr
  • IP64 / IP50 (with flat cable)
 
 
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Electrical Specifications

Code Incremental
Resolution 1 to 7.500 ppr (pulses per revolution)
Supply Voltage 4.5 Vdc min. to 30 Vdc max. **
Current Consumption 35 mA max. (no load)
Output Voltage Low: 500 mV max. at 10 mA
High (Vin - 0.6) at -10 mA
       (Vin - 1.3) at -25 mA
Output Current 25 mA max. load per output channel **
Frequency Response 200 kHz max.  **
Output Format Two channel (A,B) quadrature with Index (Z) and optional complementary (A-, B-, Z-) outputs
Phase Sense A leads B clockwise (CW) from the mounting end of the encoder
Index Gated with Channels A and B high
Accuracy +/- 0.8 arc-min
Output ASIC Differential
OL7272 Push-pull and Differential
Line Driver
26C31 Differential Line Driver
5V output (with 5V input)
Electrical Protection Reverse polarity protected
Output short circuit protected
Noise Immunity Tested to EN61000-6-2 : 2005
(industrial environments) Electromagnetic compatibility (EMC) and EN 61000-6-3 : 2007 (residential, commercial, and light- industrial environments) for Electromagnetic compatibility (EMC)

 

Mechanical Specifications

Material Housing: Brass
Cap: Electroplated Steel
Aluminium (flat cable option)
Hollow Shaft: Brass
Weight Encoder: ~ 35 gr (1.23 oz)
Cable: 50 gr / meter (1.76 oz / meter)
Bearing Life > 1.9 x 1010 revolutions at rated load
Bearing Pre-Load -
Shaft Speed 12.000 rpm (max.)
Starting Torque < 0.005 Nm (0.708 oz-in) at 25°C
Mass Moment of Inertia 1.0 gcm2 (1.42 x 10-5 oz-in-sec2)
Hollow Shaft Loads Axial: 20 N (4.5 lbs) max.
Radial: 20 N (4.5 lbs) max. 

 

Environmental Specifications

Operating Temperature -40° to +85°C
Storage Temperature -40° to +85°C
Shock 100 G / 11 ms
Vibration (10-2.000 Hz) /10 G
Bump 10 G / 16 ms (1.000 x 3 axis)
Humidity 98% RH without condensation
Enclosure Rating IP64 / Nema 4 (approx.)
IP50 / Nema 5 (approx.) - Flat cable 

 

Connection Options

Cable 8 leads (0.05 mm2, 30 AWG) - Differential
5 leads (0.14 mm
2, 26 AWG) - Standard
twisted pairs, shielded
Connector -
Flat Cable 10 lead flat cable with IDC connector

 

** = It is recommended user, not to combine max. values for all 3 paramteres

 

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