Ø 68 mm to ø 115 mm. Material: Weight: Bearing Life: Shaft Loads: Operating Temp.: Storage Temp.: Shock: Vibration: Bump: Humidity: Enclosure Rating:

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1 , EN Electrical Specifications Code: Incremental Resolution: Up to 10,000 ppr (pulses per revolution) Supply Voltage: ** 4.5 Vdc min. to 30 Vdc max. (45 ma max. - no load) Low: 500 mv max. at 10 ma Voltage: High: (V in 0.6) at -10 ma (V in 1.3) at -25 ma Current: ** 30 ma max. load per output channel Frequency Response: 300 khz max. ** Format: Phase Sense: Index: Accuracy: s: Electrical Protection: Noise Immunity: Two channel (A, B) quadrature with Index (Z) and optional complementary (A-, B-, Z-) outputs A leads B clockwise (CW) from the mounting end of the encoder Gated with Channels A and B high +/- 0.8 arc-min. ASIC Push-pull and Differential OL7272 Differential Line Driver (M and MP options) 26C31 Differential Line Driver 5V output (with 5V input) short circuit protected Reverse polarity protected (ASIC outputs only) Tested to EN : 2005 (industrial environments) Electromagnetic compatibility (EMC) and EN : 2007 (residential, commercial, and lightindustrial environments) for Electromagnetic compatibility (EMC) ** = It is recommended user, not to combine max. values for all 3 parameters Oil & Gas / Heavy Industry Type 2REX-A-SR EX-Proof Stainless Steel Shaft Encoder Ø 68 mm to ø 115 mm Shaft - Ø 10 mm to Ø 5/8 inch Resolution up to 10,000 ppr IP 66 (IP 67 option) ATEX certified EX-Proof IECEx certified EX-Proof GOST certified EX-Proof Mechanical Specifications Material: Weight: Bearing Life: Housing: Aisi 303 Cap: Aisi 303 Shaft: Aisi 303 Encoder: Approx gr (47.44 oz) Cable: 50 gr / meter (1.76 oz / meter) > 1.9 x revolutions at rated load Shaft Speed: 3,000 rpm continuous (max.) IP 66 Starting Torque: < 0.1 Nm (14.16 oz-in) at 25 C IP 67 Mass Moment of Inertia: Shaft Loads: Environmental Specifications Operating Temp.: Storage Temp.: Shock: Vibration: Bump: Humidity: Enclosure Rating: Connection Options Cable: Cable Glands: 30 gcm² (4.25 x 10-4 oz-in-sec²) Axial 50 N (11.25 lbs) max. Radial 100 N (22.50 lbs) max. -40 to +70 C -40 to +85 C 100 G / 11 ms Hz / 10 G 10 G / 16 ms (1000 x 3 axis) 98 % RH without condensation IP 66 / Nema 6 (approx.) IP 67 / Nema 6 (approx.) option 8 leads (0.14 mm 2, 26 AWG) twisted pairs; shielded; halogen free 9-position terminal block (inside cap) M20 cable gland (fits cable Ø mm) Rev January Scancon Huginsvej Hillerød Denmark p. 1

2 Certifications ATEX: IECEx: North America: GOST: 2REX-A-SR Certificate No.: ITS09ATEX16847X II 2 G Ex d IIC T4 Gb and II 2 D Ex tb IIIB T135 C Db IP6 Tamb -40 C to +54 C Certificate No.: IECEx ITS X Ex d IIC T5 Gb and Ex tb IIIC T100 C Db Tamb -40 C to +70 C pending Certificate No.: POCC DN.GБ05.B03721 No PB Ex d 1x / EX d IIC T4 X и and Ex td A21 IP66 Tamb -40 C to +70 C ISO 9001 : 2008 Certificate Registration No.: Report No: waveform Disk Resolutions (pulses per revolution) * * Channel tolerance 180 e +/- 36 e Phase difference tolerance 90 e +/- 18 e Z channel tolerance 90 e +/- 18 e Other options on request Pulses per revolution, min. 1 max * Operating temperature: -20 C to 50 C Rev January Scancon Huginsvej Hillerød Denmark p. 2

3 Mechanical Dimensions 2REX-A-SR Rev January Scancon Huginsvej Hillerød Denmark p. 3

4 Rev January Scancon Huginsvej Hillerød Denmark p. 4

5 Encoder Length Total length of encoder L = Lb + Lf Body Flange Type Side - (SS) Back - (BS) End Cap (EC01) A 61,5 (2,42) 60,0 (2,36) 75,0 (2,95) B 63,7 (2,51) 62,2 (2,45) 77,2 (3.04) K 73,5 (2,89) 72,0 (2,83) 87,0 (3,43) U 62,5 (2,46) 61,5 (2,40) 76,0 (2,99) Measurements: mm (inches) Rev January Scancon Huginsvej Hillerød Denmark p. 5

6 Terminations Removable End Cap Terminal Block Differential Position Channel Channel 1 * Z - 2 Z Z 3 * B - 4 B B 5 * A - 6 A A 7 Vsup Vsup 8 GND GND 9 Shield Shield * Do not attach any wires to terminal block GND = Circuit Ground Shield = Case Ground Z- Z B- B A- A Vsup GND Shield Cable Differential Channel Wire Color Wire Color A Pink Pink A - Gray* Gray B Green Green B - Yellow* Yellow Z White White Z - Brown* Brown Vsup Red Red GND Blue Blue * Gray, Yellow, and Brown are internally connected to Circuit Ground GND = Circuit Ground Rev January Scancon Huginsvej Hillerød Denmark p. 6

7 Ordering Code Example: 2REX-A 1024 SR D SS A 00 2REX-A - - SR Pulses per Material Shaft Shaft IP Cable Cable Flange Accessory Revolution Dia. Length Rating Length Takeout See table Stainless Steel AISI 303 SR IP IP A B K U A B K U is 1 meter 01 Specify length XX No Cable (End Cap) 00 None 00 Differential 26C31 Line Driver 5V only OL 7272 Line Driver N D L M Side () Back () End Cap (M20 x 1.5 cable gland) SS BS EC01 10 mm x 20 mm (Flanges A, K) mm x 27 mm (Flange A) mm x 30 mm (Flange A) mm x 27 mm (Flange A) /8 inch x 20 mm (Flange A) 5/ mm x 16 mm (Flange B) mm x 25 mm (Flange B) mm x 15 mm (Flange U) mm x 19 mm (Flange U) mm x 24 mm (Flange U) mm x 26 mm (Flange U) mm x 29 mm (Flange U) mm x 30 mm (Flange U) Other options on request: Please contact Scancon A/S Rev January Scancon Huginsvej Hillerød Denmark p. 7