Incremental encoder SCH24EX

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Christian Willmann
c.willmann@willtec.de
+49 (0)7665 - 93465-17

EX-Proof Encoder with hollow shaft Characteristics: ... more

Product information "Incremental encoder SCH24EX"

EX-Proof Encoder with hollow shaft

Characteristics:

Related links to "Incremental encoder SCH24EX"

Technical data "Incremental encoder SCH24EX"

Electrical Specifications

Code	Incremental
Resolution	1 to 3.600 ppr (pulses per revolution)
Supply Voltage	5 Vdc min. to 24 Vdc max. ** (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	20 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
Outputs	ASIC Push-pull and Differential
Electrical Protection	Reverse polarity and output short circuit protected
Noise Immunity	Tested to EN61000-6-2:2005 (industrial environments) Electromagentic compability (EMC) and EN61000-6-3:2007 (residential, commercial, and light-industrial environments) for Electrmagentic compability (EMC)

Mechanical Specifications

Material	Housing: Aluminium / Brass Cap: Aluminium Hollow Shaft: Brass
Weight	Encoder: Approx. 80 gr (44.1 oz) Cable: 50 gr / meter (1.76 oz / meter)
Bearing Life	> 1.9 x 10¹⁰ revolutions at rated load
Shaft Speed	12.000 rpm continues (max.) IP50 3.000 rpm continues (max.) IP67
Starting Torque	< 0.001 Nm (0.14 oz-in) at 25°C
Mass Moment of Inertia	0.2 gcm² (2.8 x 10^-6 oz-in-sec²)
Shaft Loads	Axial: 10 N (2.25 lbs) max. Radial: 10 N (2.25 lbs) max.

Environmental Specifications

Operating Temperature	-40° to +70°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.) IP65 / Nema 4 (approx.) - option IP66 / Nema 6 (approx.) - option IP67 / Nema 6 (approx.) - option

Connection Options

Cable	8 leads (0.05 mm2, 30 AWG) twisted pairs; shielded
Cable Glands	-
Terminal Block (removable end cap)	-

Certifications

ATEX	Certificate No.: CML 19ATEX1098X II 2 GD Ex db IIC T5 Gb and Ex tb IIIC T100°C Db -40°C ≤ Tamb ≤ +70°C
IECEx	Certificate No.: IECEx QPS 19.0021X Ex db IIC T5 Gb and Ex tb IIIC T100°C Db -40C ≤ Tamb ≤ +70C
North America	Certificate No. LR 1192 24VDC, Max. 100 mA Class I, Div 2, Groups ABCD T5, Class II, Div 1, Groups EFG, Ex db IIC T5 Gb, Class I, Zone 1, AEx db IIC T5 Gb
EAC Ex	НАНИО «ЦСВЭ» No. ЕАЭС RU C-DK.AA87.B.00266/19 1Ex db IIC T5 Gb X, Ex tb IIIC T100°C Db X, -40°C<T.amb<+70°C

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

Drawing "Incremental encoder SCH24EX"

Zeichnung SCH24EX_TZ-1