Series 291 Precision, Long‐life 12mm Optical Encoder Available with 4, 6, 8, 24 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 Series Termination Bushing Shaft Shaft Output Operating Switch Schmitt Trigger Length Length Trim Combination Voltage &Locating Lug 291 V1 0 22 F 832 A B A Code Termination .050” pitch pins Rear facing .132” length .10” pitch pins P1 Rear facing .236” length 4” ribbon cable *C4 With .050” pitch connector terminals 5” ribbon cable *C5 With .050” pitch connector terminals 6” ribbon cable *C6 With .050” pitch connector terminals V1 Code Code Shaft Length “L” Code Spec. Single shaft structure 22 .687” Dual shaft structure DD Outer shaft: .685” Inner shaft: 1.059” (Not available with locating lug, see page 8 for additional details) A B Bushing Length “B” 0 .312” For single shaft construction D .256” For dual shaft construction Code F Output 832 624 416 800 600 400 Spec. Flat Combination 8 PPR, 32 Detents 6 PPR, 24 Detents 4 PPR, 16 Detents 8 PPR, No Detents 6 PPR, No Detents 4 PPR, No Detents 24 PPR, No Detents X00 (only available with Schmitt trigger) 24 PPR, 24 Detents X24 (only available with Schmitt trigger) None Momentary Code Spec. Without Schmitt trigger, Without locating lug Without Schmitt trigger, BLANK With locating lug With Schmitt trigger, S Without locating lug With Schmitt trigger, B With locating lug A Code Spec. A 5.0V B 3.3V Note: * Cable connector is AMP P/N 215083‐6 or Equivalent 2016‐06‐08 Rev. A www.ctscorp.com Page 1 of 11 ©2016 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 Parameter Conditions & Remarks Operating Temperature Range Min Nominal ‐40 50 Max Unit +85 °C Encoder Function Voltage Detent Options 2‐Bit Quadrature Channel A leads Channel B by 90° during clockwise rotation 5.0 Vdc 3.3 Vdc 5.0 Vdc 3.3 Vdc Running 24 Detents 16,32 Detents 0, 16, 24, 32 Resolution 4, 6, 8, 24 Output Code Sink Current Power Consumption Rotational Torque Rotational Torque Rotational Torque 5.0 3.3 5.25 3.425 2.0mA 1.0mA VDC 20 140 150 80 30 190 mW mW gf‐cm gf‐cm 50 100 150 gf‐cm 10 90 No detent @30 RPM With detent Rotational Life @30 RPM Push‐Pull Strength of Shaft 10 seconds Terminal Pull‐out Strength 10 seconds Rotational Life 4.75 3.175 20 6 Pulses per Revolution 3 Million cycles 1 Million cycles kg kg Mechanical and Environmental Manual Soldering RoHS Shock : Vibration : Packaging : Storage Temperature: Maximum temperature of 350°C for 5 seconds Lead‐Free. Fully compliant to RoHS Directive Per MIL‐STD‐883F ( 100G’s) Per MIL‐STD‐883F ( 15G’s) Standard anti‐static tray packaging ‐55°C to +100°C 2016‐06‐08 Rev. A www.ctscorp.com Page 2 of 11 ©2016 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 Optional Momentary Switch Function: Parameter Conditions & Remarks Min. Nominal Max Unit Switch contact resistance 10 ohms Switch rating 5 VDC @10 mA Switch travel 0.25 0.5 0.75 mm Actuation Force 400 510 620 grams Switch Life Standard 1 Million actuations Switch Life Consult CTS for custom life requirements Mechanical Specifications Figure 1 – 291V1… – Without Schmitt Trigger, With Left Locating Lug, .050” Pitch Pins Facing Rear 2016‐06‐08 Rev. A www.ctscorp.com Page 3 of 11 ©2016 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 Figure 2 – 291V1…S – With Schmitt Trigger, Without Locating Lug, .050” Pitch Pins Facing Rear 2016‐06‐08 Rev. A www.ctscorp.com Page 4 of 11 ©2016 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 Figure 3 – 291V1…A – Without Schmitt Trigger, Without Locating Lug, .050” Pitch Pins Facing Rear 2016‐06‐08 Rev. A www.ctscorp.com Page 5 of 11 ©2016 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 Figure 4 – 291V1…B – With Schmitt Trigger, With Locating Lug, .050” Pitch Pins Facing Rear 2016‐06‐08 Rev. A www.ctscorp.com Page 6 of 11 ©2016 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 Figure 5 – 291P1…A – Without Schmitt Trigger, Without Locating Lug, .100” Pitch Pins Facing Rear 291P1…S – With Schmitt Trigger, Without Locating Lug, .100” Pitch Pins Facing Rear 2016‐06‐08 Rev. A www.ctscorp.com Page 7 of 11 ©2016 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 Figure 6 –291P1… – Without Schmitt Trigger, With Locating Lug, .100” Pitch Pins Facing Rear 291P1…B – With Schmitt Trigger, With Locating Lug, .100” Pitch Pins Facing Rear 2016‐06‐08 Rev. A www.ctscorp.com Page 8 of 11 ©2016 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 Figure 7 –291C… – Without Schmitt Trigger, With Locating Lug, With Ribbon Cable 291C…B – With Schmitt Trigger, With Locating Lug, With Ribbon Cable 2016‐06‐08 Rev. A www.ctscorp.com Page 9 of 11 ©2016 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 Figure 8 – 291C…A – Without Schmitt Trigger, Without Locating Lug, With Ribbon Cable 291C…S – With Schmitt Trigger, Without Locating Lug, With Ribbon Cable 2016‐06‐08 Rev. A www.ctscorp.com Page 10 of 11 ©2016 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 Note: Inner shaft removed for clarity. 2016‐06‐08 Rev. A www.ctscorp.com Page 11 of 11 ©2016 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.