Series 291 Precision, Long-life 12mm Optical Encoder Available with 4, 6, 8, 24,32, 64 Pulses per Revolution Optional Momentary Switch Multiple options for terminations, resolution, cable lengths, and operating voltage Description The 291 Series allows versatility in design applications by providing highly reliable, precise digital output and long rotational life with our non-contacting design. This product provides flexibility in resolution, power consumption, and operating temperatures. The options of Schmitt trigger, detents, momentary switch, shaft & bushing length, dual shaft, termination styles, torque, operating voltage, and IP ratings provide flexibility to meet your exacting design requirements. Ordering Information Bushing Shaft Shaft Output Operating Switch Schmitt Trigger Series Termination Length Length Trim C Combinat i on Volt a ge & L oca ti ng L ug 291 V1 0 22 F 832 A B A S RTTT T T T T 2022124 1 2 1 E TTT E Code Spec. Code Spec. T Code Termination Code Shaft Length L A None T F Flat .050 pitch pins Single shaft structure Momentary TSS V1 Rear facing B S Slotted 22 .687 (not for 64 PPR) .132 length(not for 64 PPR) 24 .875 .10 pitch pins Output Combination Dual shaft structure P1 Rear facing Code Spec. 832 8 PPR, 32 Detents DD Outer shaft: .685 .236 length Without Schmitt trigger, Inner shaft: 1.059 624 6 P PR, 24 Detents 4 ribbon cable BLANK W ith locating lug (not for (Not available with locating 416 4 P PR, 16 Detents With .050 pitch 5 positions 32, 64 PPR) *C4 lug, 32 and 64 PPR, see page 800 8 PPR, No Detents connector terminals (not Without Schmitt trigger, 8 for additional details) for 64 PPR) 600 6 PPR, No Detents A Without locating lug (not 5 ribbon cable 400 4 P PR, No Detents for 32, 64 PPR) With .050 pitch 24 PPR, No Detents With Schmitt trigger, *C5 S connector terminals (not X00 (o nly available with Without locating lug for 64 PPR) Schmitt trigger) With Schmitt trigger, B 6 ribbon cable 24 PPR, 24 Detents With locating lug With .050 pitch X24 (only available with *C6 connector terminals (not Schmitt trigger) for 64 PPR) 32 PPR, No Detents Code Spec. Y00 (only available with A 5.0V Schmitt trigger) 3.3V (not for 64 PPR, No Detents B Code Bushing Length B 64 PPR) Z00 (only available with 0 .312 For single shaft construction Schmitt trigger) .256 For dual shaft construction D Note: * Cable connector for C4, C5, C6 is AMP P/N 215083-6 or Equivalent (not for 32, 64 PPR) 2017-07-24 Rev. D www.ctsc or p.com Page 1 of 13 2017 CTS Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. Series 291 Compact Optical Encoder Electrical Specifications Encoder Function Conditions & Parameter Min Nominal Max Unit Remarks 4.75 5.0 5.25 Voltage (4, 6, 8, 24, 32 PPR) 3.175 3.3 3.425 VDC Voltage (64 PPR) 4.5 5.0 5.5 VDC 2-Bit Quadrature Channel A leads Output Code Channel B by 90 during clockwise rotation 5.0 VDC 2.0m A Sink Current 3.3 VDC 1.0mA 150 mW 5.0 VDC Power Consumption 80 mW 3.3 VDC Pulses per Resolution 4, 6, 8, 24, 32, 64 Revolution Mechanical and Environmental Manual Soldering Maximum temperature of 350C for 5 seconds RoHS Lead-Free. Fully compliant to RoHS Directive Shock : Per MIL-STD-883F ( 100Gs) Vibration : Per MIL-STD-883F ( 15Gs) IP Rating (4, 6, 8, 24, 32 PPR): IP 50 IP Rating (64 PPR): IP 40 Packaging : Standard anti-static tray packaging Operating Temperature: -40C to +85C Storage Temperature: -55C to +100C Storage Temperature: -40C to +100C (32, 64 PPR) No detent 30 RPM 3 Million Cycles Rotational Life With detent 30 RPM 1 Million Cycles Push-Pull Strength of Shaft 10 seconds 20 kg (4,6,8,24, 32 PPR) (64 PPR) 10 seconds 13.6 kg Terminal Pull-out Strength 10 s econds 6 kg Rotational Torque (4, 6, 8, 24 PPR) Running 10 to 30 gf-cm (32 PPR) Running 30 gf-cm Max. (64 PPR) Running 100 gf-cm Max. 24 Detents 90 to 190 gf-cm Rotational Torque 16, 32 Detents 50 to 150 gf-cm Detent Options 0, 16, 24, 32 www.ctscorp.com 2017-07-24 Rev. D Page 2 of 13 2017 CTS Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.