1 Inductive Proximity Sensors E51 Limit Switch Style, Factory Sealed 6P+ E51 Limit Switch Style, Factory Sealed 6P+ Inductive Proximity Sensors June 2000 Unitized 6P+ Sensors Are Built for Reliable Operation and Long Life in Hostile Environments Contents Overview . . . . . . . . . . . . . . . . . . . . . . . 1 Model Selection, Sensors . . . . . . . . . 2 Wiring Diagrams . . . . . . . . . . . . . . . . 2 Model Selection, Accessories . . . . . . 3 Specifications . . . . . . . . . . . . . . . . . . . 4 Dimensions . . . . . . . . . . . . . . . . . . . . . 4 E51 6P+ Inductive Proximity Sensors are fully sealed, pre-wired and designed specifically to ensure reliability under the most adverse of environmental conditions. They have been proven to withstand the penetrating properties of dirt, dust, grit, extreme temperatures and humidity. The unitized design eliminates plug-in connections that can lead to reliability problems in rugged environments. For the most current information on this product, visit our web site at: www.sensingsolutions.com Product Features The one-piece body and sensing head are both epoxy filled to protect internal components from contamination The head is hard-wired to the sensor body to ensure trouble-free performance Choose from top and side sensing heads Side sensing heads can be rotated to any of four positions Mounting dimensions allow direct replacement of worn out limit switches Rugged zinc die cast construction withstands physical abuse Connection options include pre-wired cable, body mounted connector and pigtail connector For Customer Service in the U.S. call 1-800-356-1243, in Canada call 1-800-268-3578. For Application Assistance in the U.S. and Canada call 1-800-426-9184. PG.05D.14.T.E Inductive Proximity Sensors E51 Limit Switch Style, Factory Sealed 6P+ June 2000 2 Model Selection -- Unitized Sensors -- Factory Sealed 6P+ Assembled Sensor with 8 Foot Cable b Sensor Heads a Sensing Range Top Sensing a 0.51 inches (13 mm) 0.94 inches (24 mm) Side Sensing a 0.51 inches (13 mm) 0.94 inches (24 mm) a b c Shielding 2-Wire Sensors 4-Wire Sensors Operating Voltage 20 - 264V AC/DC 120V AC 10 - 30V DC Output N.O. N.O. and N.C. Complementary N.O. and N.C. Complementary Frequency c Shielded Unshielded Shielded Unshielded N.C. PNP NPN Catalog Number -- Assembled Sensors (Head Hard Wired to Sensor Body) Standard E51ALT16PU E51BLT16PU E51CLT16PU E51PLT16PU E51NLT16PU Alternate E51ALT26PU E51BLT26PU E51CLT26PU E51PLT26PU E51NLT26PU Standard E51ALT56PU E51BLT56PU E51CLT56PU E51PLT56PU E51NLT56PU Alternate E51ALT66PU E51BLT66PU E51CLT66PU E51PLT66PU E51NLT66PU Standard E51ALS16PU E51BLS16PU E51CLS16PU E51PLS16PU E51NLS16PU Alternate E51ALS26PU E51BLS26PU E51CLS26PU E51PLS26PU E51NLS26PU Standard E51ALS56PU E51BLS56PU E51CLS56PU E51PLS56PU E51NLS56PU Alternate E51ALS66PU E51BLS66PU E51CLS66PU E51PLS66PU E51NLS66PU Sensor head is hard wired to sensor body and cannot be detached. Side sensing head can be unfastened and rotated to any of four positions. Switch bases feature 8 feet of SOOW-A cable. Other connection options are available: Connection Option Instructions Example Mini-Connector mounted on 3 foot (900 mm) pigtail cable (3-pin for 2-wire sensors; 5-pin for 4-wire sensors) Add the letter T before U E51ALT16PTU Mini-Connector mounted to switch base (3-pin for 2-wire sensors; 5-pin for 4-wire sensors) Add the letter C before U E51ALT16PCU Cable longer than 8 feet, add required length in 1 foot increments to listed Catalog Number -- 20 foot maximum Add length in feet to end of Catalog Number E51ALT16PU12 for 12 feet Sensor heads feature color coded target symbols: Yellow for standard frequency; Green for alternate frequency. Wiring Diagrams (Pin numbers are for reference, rely on pin location when wiring) Operating Voltage Output Cable Models Mini-Connector Models (Face View Male Shown) 2-Wire Sensors 20 - 264V AC or DC 50/60 Hz N.O. or N.C. (N.O. shown) White 1 2 Black Load L1 or (-) L2 or (-) L1 or +V 3 4 Load L2 or +V Green 4-Wire Sensors 120V AC 50/60 Hz N.O. and N.C. Load Red 1 2 10 - 30V DC N.O. and N.C. NPN 3 4 L1 Load N.C. L2 Green Load N.O. Load Load Red 1 2 Black +V N.O. and N.C. PNP Green Orange (-) Load 3 4 +V N.O. White (-) N.C. Load Load Red 1 2 +V Orange (-) Load 3 4 Green +V Load N.C. White Black PG.05D.14.T.E L2 Load White Black L1 Orange (-) Load N.O. 3 Inductive Proximity Sensors E51 Limit Switch Style, Factory Sealed 6P+ June 2000 Model Selection -- Accessories Description Catalog Number Approximate Dimensions in Inches [mm] Except as Noted Universal Mounting Bracket 1 hole, includes mounting hardware, stainless steel E51KH2 Universal Mounting Bracket 2 hole, includes mounting hardware, steel E51KH4 Machine Mounting Bracket Zinc die cast construction E50KH3 NOTE: Dimensions in mm [Inches] Stand-Off Mounting Bracket Steel construction E51KH3 NOTE: Dimensions in mm [Inches] Connector Cables A variety of cables, connector blocks and accessories See PG.05.05.T.E PG.05D.14.T.E Inductive Proximity Sensors E51 Limit Switch Style, Factory Sealed 6P+ June 2000 Specifications Output Rating (NEMA D150) AC/DC Models AC Models DC Models 0.5A continuous 1A continuous 0.6A continuous Protection Latching short circuit protection on 2-wire AC/DC and 3-wire DC models Switching Rate AC models: 15 Hz; DC models: 50 Hz Indicator LEDs Lights when output is ON. One LED for each output Alternate Frequency Standard and alternate frequencies allow side-by-side operation without interference Enclosure Material Cast metal Gasket Material Zinc die cast Enclosure Ratings NEMA 3, 3S, 4, 4X, 6, 6P, 12 and 13 (IP68) Temperature Range -13 to 158F (-25 to 70C) Torque Requirements Switch Body Screws: 25 - 30 in-lb; Sensing Head Screws: 14 - 18 in-lb Approximate Dimensions in mm [Inches] 1 Can accommodate both U.S., 29.4 [1.16] x 59.5 [2.34] and DIN, 30 [1.18] x 60 [2.36], mounting dimensions. PG.05D.14.T.E 4