H25 INCREMENTAL OPTICAL ENCODER H25D - Square Flange H25E - 2.50 Servo Mount Optional Face Mounts 1.30 (SM16) 0.88 0.03 1.65 (SM 18) 30 0.300 1.38 0.100 SM CONNECTOR .100 MI N POSITION Introduction F1 10-32 UNF-2 B The H25 is the agship of the BEI Sensors product line. It was designed 2.50 0 0.188 Min. Deep 3 places equally spaced from the ground up for the industrial marketplace. The H25 offers on a 1.875 bolt circle. 2.50 1.2500 features such as EMI shielding, 40 lb. ABEC 7 bearings, matched thermal 1.2495 coefcients on critical components, and custom high efciency optics. 45 0.255 2.52 0.30 MAX The encoder meets NEMA 4 and 13 requirements when ordered with the shaft seal. Typical applications include machine control, process control, 0.34 2.27 5 the wood processing industry, oil well logging, industrial weighing, 0.3747 0.88 0.03 F2 (H25G Only) 0.3745 agricultural machinery, textile equipment, web process control, robotics, 4-40 UNC-2B 0.250 Min. Deep 1.2500 H25G - 2.62 and food processing.Dia Servo Mount 4 places equally spaced 1.2495 on a 1.272 bolt circle. (0.900 square, Ref.) 0.88 0.03 2.064 TY P 0.125 0.21 R 1.032 0.125 SPECIFICATIONS F3 4-40 UNC-2B 2.500 0.250 Min. Deep 2.625 4 places equally spaced 2.498 SQUARE on a 2.00 bolt circle. 2.625 Mechanical 30 Shaft Diameter 3/8 nominal (1/2 as special feature) 0.218 4 HOLES NOTE: SHAFT SEAL NO T ( 2.919 B.C. REF) Flat On Shaft 3/8 Shaft: 0.80 long X 0.03 deep 1/2 Shaft: 0.80 long X 0.04 deep (1/2 shaft w/at must F4 AVAILABLE ON H25G 6-32 UNC-2B be ordered as special feature) TOLERANCES: .X X= 0.01 , .X XX = 0.005 0.250 Min. Deep 3 places equally spaced on a 2.00 bolt circle. Shaft Loading 3/8 shaft: Up to 40 pounds axial and 35 pounds radial 1/2 shaft: Up to 90 pounds axial and 80 pounds radial Shaft Runout 0.0005 T.I.R. at midpoint regardless of shaft diameter Starting Torque at 25C Without shaft seal 1.0 in-oz (max) With shaft seal 2.5 in-oz (max) 1/2 shaft with shaft seal: 3.5 in-oz (max) Bearings Class ABEC 7 standard, ABEC 5 for 1/2 shaft Shaft Material 416 stainless steel Bearing Housing Die cast aluminum with protective nish stainless steel (special feature) Cover Die cast aluminum stainless steel (special feature) 8 10 Bearing Life 2 X 10 revs (1300 hrs at 2500 RPM) at rated load 1 X 10 revs (67,000 hrs at 2500 RPM) at 10% of rated load Maximum RPM 12,000 RPM nominal, 8000 RPM with 1/2 shaft (see Frequency Response, below) 30,000 RPM available on units with 3/8 shaftconsult with factory -4 2 -4 2 Moment of Inertia 4.1 X 10 oz-in-sec 5.2 X 10 oz-in-sec with 1/2 shaft Weight 13 oz typical, 14.5 oz typical with 1/2 shaft Page 1 www.sensata.com Copyright 2018 Sensata Technologies, Inc. SPECIFICATIONS (CONTINUED) Electrical H25D - Square Flange H25E - 2.50 Servo Mount Optional Face Mounts Code Incremental 1.30 (SM16) 0.88 0.03 1.65 (SM 18) Output Format 2 channels in quadrature, 1/2 cycle index gated with negative B channel 30 0.300 1.38 0.100 SM CONNECTOR Cycles per Shaft Turn 1 to 72,000 (see table 2) For resolutions above 3,600 see BEI for interpolation options .100 MI N POSITION F1 Supply Voltage 5 to 28 VDC available 10-32 UNF-2 B 2.50 0 0.188 Min. Deep Current Requirements 100 mA typical +output load, 250 mA (max) 3 places equally spaced on a 1.875 bolt circle. 2.50 1.2500 Voltage/Output (see note 5) 1.2495 15V/V: Line Driver, 515 VDC in, Vout = Vin 45 0.255 2.52 0.30 28V/V: Line Driver, 528 VDC in, Vout = Vin MAX 28V/5: Line Driver, 528 VDC in, Vout = 5 VDC 0.34 2.27 5 28V/OC: Open Collector, 528 VDC in, OCout 0.3747 0.88 0.03 F2 (H25G Only) 0.3745 4-40 UNC-2B Protection Level Reverse, overvoltage and output short circuit (see note 5) 0.250 Min. Deep 1.2500 H25G - 2.62 Dia Servo Mount 4 places equally spaced 1.2495 Frequency Response 100 kHz, up to 1MHz with interpolation option (see note 7) on a 1.272 bolt circle. (0.900 square, Ref.) 0.88 0.03 Output Terminations See Table 1 2.064 TY P 0.125 Note Consult factory for other electrical options 0.21 R 1.032 0.125 F3 Environmental 4-40 UNC-2B 2.500 0.250 Min. Deep 2.625 4 places equally spaced 2.498 SQUARE on a 2.00 bolt circle. Enclosure Rating NEMA 4 & 13 (IP 66) when ordered with shaft seal (on units with an MS connector) or a cable 2.625 gland (on units with cable termination). 30 Temperature Operating, 0 to 70 C extended temperature testing up to 105C available Storage, -25 to 0.218 4 HOLES 90 C unless extended temperature option called out. NOTE: SHAFT SEAL NO T ( 2.919 B.C. REF) F4 AVAILABLE ON H25G Shock 50 gs for 11 msec duration 6-32 UNC-2B TOLERANCES: .X X= 0.01 , .X XX = 0.005 0.250 Min. Deep Vibration 5 to 2000 Hz 20 gs 3 places equally spaced on a 2.00 bolt circle. Humidity 98% RH without condensation Page 2 www.sensata.com Copyright 2018 Sensata Technologies, Inc.