01059-008

H38 | INCREMENTAL OPTICAL ENCODER Introduction The H38 is an explosion proof version of the field-proven H25 encoder series. The H38 is UL certified for NEMA Class 4X and 6 (outdoor nonhazardous locations) and Class 4X and 13 (indoor non-hazardous locations). It is available with single and triple certifications for use in hazardous locations and includes a standard shaft seal, double bearing seals, and a cast aluminum housing with hard anodized and dichromate sealed finish. The H38 is suitable for use in petroleum service industries, solvent refining operations, spray painting applications, and explosive dust environments. SPECIFICATIONS Mechanical Shaft Diameter 3/8” nominal Shaft Loading Up to 40 pounds axial and 20 pounds radial applied 1/4” from housing Shaft Runout 0.0005 T.I.R Starting Torque at 25°C Bearings Shaft Material Enclosure Bearing Life Maximum RPM Moment of Inertia Weight 4.0 in-oz (max) Class ABEC 7 standard 303 stainless steel Die cast aluminum, hard anodized with dichromate sealed finish. Shaft seals and sealed bearings are standard to achieve environmental ratings. 2 X 108 revs (1300 hrs at 2500 RPM) at rated load; 1 X 1010 revs (67,000 hrs at 2500 RPM) at 10% of rated load 10,000 RPM (see frequency response, below) 4.1 X 10–4 oz-in-sec2 UL & MSHA/ 1.7 X 10–3 oz-in-sec2 CEN 64 oz typical (approx 4 lbs) Page 1 Copyright © 2018 Sensata Technologies, Inc. www.sensata.com SPECIFICATIONS (CONTINUED) Electrical Code Incremental Output Format 2 channels in quadrature, 1/2 cycle index gated with negative B channel Cycles per Shaft Turn 1 to 72,000 (see table 2, page 5). For resolutions above 3,600 see Note 7. Supply Voltage Current Requirements 5 to 28 VDC 100 mA typical +output load, 250 mA (max) Voltage/Output (see note 3) 15V/V: Line Driver, 5–15 VDC in, Vout = Vin 28V/V: Line Driver, 5–28 VDC in, Vout = Vin 28V/5: Line Driver, 5–28 VDC in, Vout = 5 VDC 28V/OC: Open Collector, 5–28 VDC in, OCout Protection Level Reverse, overvoltage and output short circuit (see note 3) Frequency Response 100 KHz Typical, Higher frequency response available, see note 5 Output Terminations see Table 1, page 5 Termination Type Note Compression type, UL recognized. Accepts AWG 14 to 22, stranded wire, strip 1/4” Consult factory for other electrical options Environmental Enclosure Rating Temperature Shock NEMA 4 X & 6 (IP66), outdoor Non-Hazardous locations, NEMA 4 X & 13 (IP66), indoor NonHazardous locations Standard operating all models, 0° to +70°C; Storage all models, -50° to +90°C; Extended temp testing avail.: for UL, -40° to +80°C; for CEN, -50° to +90°C 50 g’s at 11 msec Vibration 5 to 2000 Hz @ 20 g’s Humidity 100% RH Hazardous Area Rating UL listed for use in hazardous locations. Class I, Group D, or Class I, Groups C & D, and Class II, Groups E, F & G. NEMA Enclosure 7. Notes & Tables: All notes and tables referred to in the text can be found on pages 4 and 5. Page 2 Copyright © 2018 Sensata Technologies, Inc. www.sensata.com DIMENSIONS Dimensions in inches Page 3 Copyright © 2018 Sensata Technologies, Inc. www.sensata.com NOTES 1. Non-standard index widths and multiple indices are available by special order. Consult factory. 2. Complementary outputs are recommended for use with line driver type (source/sink) outputs. When used with differential receivers, this combination provides a high degree of noise immunity. 3. Output IC’s: Output IC’s are available as either Line Driver (LD) or NPN Open Collector (OC) types. Open Collectors require pull-up resistors, resulting in higher output source impedance (sink impedance is similar to that of line drivers). In general, use of a Line Driver style output is recommended. Line Drivers source or sink current and their lower impedance means better noise immunity and faster switching times. Warning: Do not connect any line driver outputs directly to circuit common/OV. Those may damage the driver. Unused outputs should be isolated and left floating. Our applications specialists would be pleased to discuss your system requirements and the compatibility of your receiving electronics with Line Driver type outputs. 28V/V: Multi-voltage Line Driver (7272*): 100 mA source/sink. Input voltage 5 to 28 VDC +/- 5% standard (Note: Vout = Vin). This driver is TTL compatible when used with 5 volt supply. Supply lines are protected against overvoltage to 60 volts and reverse voltage. Outputs are short circuit protected for one minute. Supply current is 120 mA typical (plus load current). This is the recommended replacement for 3904R and 7406R open collector outputs with internal pullup resistors. It is also a direct replacement for any 4469, 88C30, 8830 or 26LS31 line driver 28V/5: Multi-voltage Line Driver (7272*): 100 mA source/sink. Input voltage 5 to 28 VDC +/- 5% standard, internally regulated with 5V (TTL compatible) logic out. Supply lines are protected against overvoltage to 60 volts and reverse voltage. Outputs are short circuit protected for one minute. Supply current is 90 mA typical (plus load current). 15V/V: Multi-voltage Line Driver (4469*): 100 mA source/sink. Input voltage 5 to 15 VDC +/- 5% standard (Note: Vout = Vin). TTL compatible when used with 5 volt. Supply lines are protected against overvoltage to 60 volts and reverse voltage. Outputs are short circuit protected for one minute. Supply current is 90 mA typical (plus load current). This is a direct replacement for the 4469 Line Driver. 28V/OC: NPN Open Collector (3904*, 7273*). Current sink of 80 mA max. Current sourced by external pull- up resistor. Output can be pulled up to voltage other than supply voltage (30 V max). Input voltage 5 to 28 VDC +/- 5% standard. Supply current is 120 mA typical. This replaces prior IC’s with designations of 3904, 7406, 3302, 681 and 689. 5V/OCR, 15V/OCR, 24V/OCR: Open Collector (3904R*, 7406R*, 7273R*): Current sink of 70 mA max. Includes internal pull-ups sized at approximately 100 ohms/ volt. Max current source is 10 mA. Supply current is 100 mA typical, 120 mA with internal pull-ups. The 5V/OCR, 15V/OCR and 24V/OCR are often replaced by the 28V/V in system upgrades. 4. Special –S at the end of the model number is used to define a variety of non-standard features such as special shaft lengths, voltage options, or special testing. Please consult the factory to discuss your special requirements. 5. Higher frequency response may be available. Please consult with the factory. 6. Extended temperature ratings are available. Consult with factory for more specific information. 7. For interpolation options, contact factory. See Doc. 01059-000 supplied with encoders for Important Installation and Usage notes summarized here. Encoder Installation 1. Environment: Hazardous Locations — UL Complies with UL and cUL requirements; CEN Shall comply with UL requirements plus CENELAC/ATEX plus IECEx standards 2. WARNING: Open all circuits prior to connecting this product to power and controller. 3. The installation must comply with NEC Class 2 circuits or with the regulations of the country of use. 4. AWG 14 - 22 stranded wire stripped to .25” [6.3mm} is recommended. 5. Use agency approved 105° C minimum rated cable/conductors housed within an approved rigid conduit. 6. Conduit runs must have a sealing fitting certified to 60079-0 Ex d IIB immediately at the entrance to the device. 7. Tightly close terminal block access cover prior to applying power. 8. For maximum bearing life, a flexible coupling is recommended between encoder shaft and driving shaft. 9. Thread sealant compound should be used for 1/2-14 fitting or cable gland to prevent ingress of contamination. During Use 1. Keep terminal block access tightly secured during use. 2. DO NOT loosen two 5/16” set screws at opposite face. Maintenance and Service 1. There are no user serviceable parts inside. Encoder must be returned to factory for service. 2. WARNING: Open all circuits to this product prior to opening access cover to disconnect wires. Page 4 Copyright © 2018 Sensata Technologies, Inc. www.sensata.com TABLES Table 1 - Output Terminations Terminal Pin No. Ouput 1 CASE GROUND 2 0V 3 +V 4 A 5 B 6 Z 7 A 8 B 9 Z 10 SPARE 11 SPARE Table 2 –Disc Resolutions for Incremental Encoder Model H38 1, 2, 3, 5, 6, 7, 8, 10, 13, 16, 20, 24, 25, 26, 30, 32, 33, 34, 36, 37, 40, 45, 48, 50, 51, 56*, 60, 64, 66, 72, 75, 80, 86, 88, 90, 100, 102, 120, 122,125, 127, 128, 132, 144, 148, 150, 158, 160, 175, 176, 180, 187, 192, 200, 202, 204*, 217, 220, 240, 250, 254, 255, 256, 264*, 274, 280, 283, 288, 292, 300, 312, 320, 321, 325, 360, 366, 372, 375, 377, 380, 381, 384, 385, 393, 400, 430, 432, 450, 462, 480, 490, 500, 502, 508, 512, 522, 530, 550, 560*, 576, 598, 600, 604, 625, 628, 635, 638, 640, 660, 672, 676, 680, 687, 690, 700, 720, 725, 735, 740, 744, 748, 750, 762, 768, 780, 785, 800, 812, 825, 850, 864, 878, 888, 900, 912, 914, 938, 942, 955, 960, 1000, 1016, 1024, 1030, 1035, 1036, 1040, 1054, 1056, 1074, 1076, 1080,1088, 1100, 1101, 1125, 1136, 1200, 1237, 1250, 1257, 1270, 1280, 1300, 1314, 1332, 1333, 1390, 1400, 1414, 1427, 1440, 1484, 1500, 1562, 1570, 1596, 1600, 1650, 1666, 1718, 1745, 1774, 1800, 1840*, 1850, 1855, 1875, 1894, 1920, 1952, 1968, 1979, 1995, 2000, 2048, 2080, 2094, 2100, 2160, 2164, 2199, 2200, 2250, 2356, 2400, 2485, 2500, 2514, 2519, 2540, 3000, 3125, 3600, 4000, 4096, 5000 *AB or ABC output only. NOTE: Resolutions up to 72,000 are available. See Note 7. Page 5 Copyright © 2018 Sensata Technologies, Inc. www.sensata.com Example : H38D-2000-ABZC-28V/V-SC-CEN ORDERING OPTIONS Type H38 D 2000 ABZ C 28V/V SC CEN H = Heavy Duty; 38 = 3.75” Square Housing Configuration D = Standard (see dimensions, page 3) Cycles Per Turn Enter Cycles, See Table 2 No. of Channels A = Single Channel AB = Dual Quad. Ch. ABZ = Dual with Index AZ = Single with Index See note 1 Complements C = Complementary Outputs, Blank = None See note 2 Voltage/Output 15V/V = 5–15 Vin/out 28V/V = 5–28Vin/out 28V/5 = 5–28Vin/5Vout 28V/OC = 5–28Vin/OCout See note 3 Output Termination SC = Side Conduit, 1/2–14 NPSF (dryseal) straight pipe threads Accepts both NPS and NPT Type fittings Certification UL = Class I Group D Environments CEN = UL, Cenelec, IECEx MSHA = Mine Safety and Health Administration Certified Special Features S = Special features specified on purchase order (consult factory) See note 4 Page 6 Copyright © 2018 Sensata Technologies, Inc. www.sensata.com AGENCY APPROVALS & CERTIFICATIONS EN 61000-6-4 and EN 61000-6-2 Ex d IIB T4 Gb IECEx UL 14.0006X II 2 G Ex d IIB T4 Gb Class I, Group C & D; Class II Group E,F & G; The Mine Safety and Health Administration (MSHA) is an organization that operates in the United States and enforces compliance with safety and health standards in the Nation’s mines. 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