Incremental Encoder SCH24

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Christian Willmann
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Mini encoder with hollow shaft Characteristics: Encoder:... more

Product information "Incremental Encoder SCH24"

Mini encoder with hollow shaft

Characteristics:

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Technical data "Incremental Encoder SCH24"

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 mm², 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

Drawing "Incremental Encoder SCH24"

Zeichnung SCH24