S18 Series Sensors (DC Voltage)

Transcription

1 8 eries ensors (D Voltage) Datasheet Featuring Z-BM technology for reliable sensing without the need for adjustments ompletely epoxy-encapsulated to provide superior durability, designed to meet rigorous P69K standards for use in psi washdowns nnovative dual-indicator system for simple sensor performance monitoring dvanced diagnostics to warn of marginal sensing conditions or output overload to V dc; choose PDT (complementary) P or outputs (5 m maximum, each) WR: ot To Be Used for Personnel Protection ever use this device as a sensing device for personnel protection. Doing so could lead to serious injury or death. This device does not include the self-checking redundant circuitry necessary to allow its use in personnel safety applications. sensor failure or malfunction can cause either an energized or de-energized sensor output condition. Models ensing Mode Range LD Output Model - 86 m (66 ft) nfrared 95 nm P 86R OPPOD 8P6R P 86L RTRO m (79 in) nfrared 95 nm 8P6L P POLR RTRO m (79 in) Visible Red 68 nm P 86LP 8P6LP DFFU mm ( in) mm ( in) nfrared 88 nm P P 86D 8P6D 86DL 8P6DL 5 mm ( in) cutoff P 86FF5 8P6FF5 FD-FLD 5 mm ( in) cutoff mm ( in) cutoff nfrared 88 nm P P 86FF5 8P6FF5 86FF 8P6FF tandard m (6.5 ft) cable models are listed. To order the 9 m ( ft) cable models, add suffix W/ (for example, 86 W/). To order the -pin M/uro-style QD models, add suffix Q (for example, 86Q). model with a QD connector requires a mating cable. Use polarized models when shiny objects will be sensed. Original Document 5 Rev. 6 January 7 5

2 8 eries ensors (D Voltage) Fixed-Field Mode Overview 8 self-contained fixed-field sensors are small, powerful, infrared diffuse mode sensors with far-limit cutoff (a type of background suppression). Their high excess gain and fixed-field technology allow them to detect objects of low reflectivity, while ignoring background surfaces. The cutoff distance is fixed. s and background objects must always be placed beyond the cutoff distance. The 8FF compares the reflections of its emitted light beam () from an object back to the sensor s two differently aimed detectors, R and R. f the near detector (R) light signal is stronger than the far detector (R) light signal (see object, closer than the cutoff distance), the sensor responds to the object. f the far detector (R) light signal is stronger than the near detector (R) light signal (see object B, beyond the cutoff distance), the sensor ignores the object. ear Detector Far Detector Receiver lements R R Lenses Object utoff Object B or mitter ensing Range Object is sensed if amount of light at R is greater than the amount of light at R Figure. Fixed-field concept The cutoff distance for model 8FF sensors is fixed at 5, 5 or millimeters ( in, in, or in). Objects lying beyond the cutoff distance usually are ignored, even if they are highly reflective. However, it is possible to falsely detect a background object, under certain conditions (see Reflectivity and Placement). n the drawings and discussion on these pages, the letters, R, and R identify how the sensor s three optical elements (mitter, ear Detector R, and Far Detector R ) line up across the face of the sensor. The location of these elements defines the sensing axis (see Figure on page ). The sensing axis becomes important in certain situations, such as those illustrated in Figure 5 on page and Figure 6 on page. ensor etup ensing Reliability s a general rule, the most reliable sensing of an object approaching from the side occurs when the line of approach is parallel to the sensing axis. For highest sensitivity, position the target object for sensing at or near the point of maximum excess gain. The excess gain curves for these products are shown. Maximum excess gain for the 5 mm models occurs at a lens-to-object distance of about 7 mm; for 5 mm models, at about mm; and for the mm models, at about mm. ensing at or near this distance will make maximum use of each sensor s available sensing power. The background must be placed beyond the cutoff distance. (ote that the reflectivity of the background surface also may affect the cutoff distance.) Following these two guidelines will improve sensing reliability. ensing xis R R Figure. Fixed-field sensing axis Reflectivity and Placement void mirror-like backgrounds that produce specular reflections. False sensor response will occur if a background surface reflects the sensor s light more strongly to the near detector, or sensing detector (R), than to the far detector, or cutoff detector (R). The result is a false O condition (see Figure on page ). To cure this problem, use a diffusely reflective (matte) background, or angle either the sensor or the background (in any plane) so the background does not reflect light back to the sensor (see Figure on page ). Position the background as far beyond the cutoff distance as possible. n object beyond the cutoff distance, either stationary (and when positioned as shown in Figure 5 on page ), or moving past the face of the sensor in a direction perpendicular to the sensing axis, can cause unwanted triggering of the sensor if more light is reflected to the near detector than to the far detector. The problem is easily remedied by rotating the sensor 9 (Figure 6 on page ). The object then reflects the R and R fields equally, resulting in no false triggering. better solution, if possible, may be to reposition the object or the sensor. - Tel: P/ 5 Rev.

3 8 eries ensors (D Voltage) R = ear Detector R = Far Detector = mitter 8FF R R trong direct reflection to R ore of emitted beam Fixed ensing Field utoff Reflective 8FF R R R = ear Detector R = Far Detector = mitter Fixed ensing Field ore of mitted Beam utoff trong Direct Reflection way From ensor Reflective Figure. Reflective - Problem Figure. Reflective - olution 8FF utoff 8FF utoff R R, R, R R = ear Detector R = Far Detector = mitter Fixed ensing Field Reflective or Moving Object Figure 5. Object Beyond utoff - Problem reflective background object in this position or moving across the sensor face in this axis and direction may cause false sensor response. = mitter R = ear Detector R = Far Detector Fixed ensing Field Figure 6. Object Beyond utoff - olution Reflective or Moving Object reflective background object in this position or moving across the sensor face in this axis will be ignored. olor ensitivity The effects of object reflectivity on cutoff distance, though small, may be important for some applications. t is expected that at any given cutoff setting, the actual cutoff distance for lower reflectance targets will be slightly shorter than for higher reflectance targets (see Performance urves). This behavior is known as color sensitivity. For example, an excess gain of for an object that reflects / as much light as the 9% white card is represented by the horizontal graph line at excess gain =. n object of this reflectivity results in a far limit cutoff of approximately mm (.8 inches), for the 5 mm ( inch) cutoff model for example; thus mm represents the cutoff for this sensor and target. These excess gain curves were generated using a white test card of 9% reflectance. Objects with reflectivity of less than 9% reflect less light back to the sensor, and thus require proportionately more excess gain in order to be sensed with the same reliability as more reflective objects. When sensing an object of very low reflectivity, it may be especially important to sense it at or near the distance of maximum excess gain. P/ 5 Rev. - Tel:

4 8 eries ensors (D Voltage) pecifications upply Voltage and urrent to V dc (% maximum ripple) upply current (exclusive of load current): mitters, non-polarized retroreflective, retroreflective, diffuse models: 5 m Receivers: m Polarized retroreflective models: m Fixed-field models: 5 m upply Protection ircuitry Protected against reverse polarity and transient voltages ndicators Two LDs (green and amber): reen on: power to sensor is on reen flashing: output is overloaded mber on:.o. output is conducting mber flashing: excess gain marginal ( to.5 ) in light condition onstruction Housing: PBT polyester housing Lens: polycarbonate (opposed-mode) or acrylic (other models) onnections m (6.5 ft) integral cable; 9 m ( ft) integral cable; or -pin M/uro-style quick-disconnect fitting Operating onditions to 7 ( F to 58 F) 9% at 5 maximum relative humidity (non-condensing) nvironmental Rating Leakproof design rated M 6P and P67 per 659 P69K per D5 for quick disconnect and cable models when the cables are protected from direct spray Vibration and Mechanical hock ll models meet Mil. td. F requirements. Method (Vibration; frequency Hz to 6 Hz, max., double amplitude.6 inch acceleration ). Method B conditions H&. hock: 75 with unit operating; for non-operation ertifications Output onfiguration PDT solid-state dc switch; hoose P (current sinking) or (current sourcing) models Light Operate:.O. output conducts when sensor sees its own (or the emitter s) modulated light Dark Operate:.. output conducts when the sensor sees dark; the.. (normally closed) output may be wired as a normally open marginal signal alarm output, depending upon wiring to power supply (U.. patent 58788) Output Rating 5 m maximum (each) in standard wiring. When wired for alarm output, the total load may not exceed 5 m. OFF-state leakage current: < microamp at V dc O-state saturation voltage: < V at m dc; <.5 V at 5 m dc Output Protection ircuitry Protected against false pulse on power-up and continuous overload or short circuit of outputs Output Response Time Opposed mode models: ms O,.5 ms OFF Retroreflective, fixed-field, and diffuse mode models: ms O and OFF OT: ms delay on power-up; outputs do not conduct during this time. Repeatability Opposed mode models: 75 μs Retroreflective, fixed-field, and diffuse mode models: 75 μs Repeatability and response are independent of signal strength. Required Overcurrent Protection WR: lectrical connections must be made by qualified personnel in accordance with local and national electrical codes and regulations. Overcurrent protection is required to be provided by end product application per the supplied table. Overcurrent protection may be provided with external fusing or via urrent Limiting, lass Power upply. upply wiring leads < W shall not be spliced. For additional product support, go to upply Wiring (W) Required Overcurrent Protection (mps) Performance urves xcess ain Opposed Mode 8 eries Opposed Mode 5 mm mm 5 mm 8 eries Opposed Mode 6" " " 5 mm mm 5 mm " " 6". m (.') m (.') DT m (') m (') 5 m (6') m (') 5 m (9') DT m (66' ) 5 m (8') - Tel: P/ 5 Rev.

5 8 eries ensors (D Voltage) xcess ain Retroreflective Mode. m (.'). m (.') 8 eries with BRT- Reflector DT on-polarized Retro m (.') m (') mm 8 mm mm mm 8 mm mm 8 eries on-polarized Retro with BRT- Reflector.5 m (.6'). m (.').5 m (.8') DT. m (6.').5 m (8.').7".".6".6".".7" Polarized Retroreflective Mode xcess ain. m (.'). m (.') 8 eries with BRT- Reflector DT Polarized Retro m (.') m (') 5 mm mm 5 mm 5 mm mm 5 mm 8 eries Polarized Retro with BRT- Reflector.5 m (.6'). m (.').5 m (.8') DT. m (6.').5 m (8.') 6" " " " " 6" xcess ain Diffuse mm Mode 8 eries hort Range Diffuse Mode Maximum ain 5 mm mm 5 mm 8 eries hort Range Diffuse.6"."." Minimum ain 5 mm mm 5 mm.".".6" mm (.") mm (.") DT mm (") mm (") 5 mm (") 5 mm (") 75 mm (") DT mm (") 5 mm (5") Performance based on use of a model BRT- retroreflector (" diameter). ctual sensing range may be more or less than specified, depending on the efficiency and reflective area of the retroreflector used. Performance based on use of a 9% reflectance white test card. P/ 5 Rev. - Tel:

6 8 eries ensors (D Voltage) xcess ain Diffuse mm Mode Maximum ain 8 eries Long Range Diffuse Mode 5 mm mm 5 mm 8 eries Long Range Diffuse.6"."." Minimum ain 5 mm mm 5 mm.".".6" mm (.") mm (.") DT mm (") mm (") 8 mm (") 6 mm (6") mm (9") DT mm (") mm (5") Fixed-Field 5 mm Mode 5 mm Mode mm Mode xcess ain xcess ain xcess ain 8 eries Fixed-field mode with 5 mm far limit cutoff 8 eries Fixed-field mode with 5 mm far limit cutoff 8 eries Fixed-field mode with mm far limit cutoff. mm (.") mm (.") DT mm (.") mm ("). mm (.") mm (.") DT mm (.") mm ("). mm (.") mm (.") DT mm (.") mm (") Using 8% gray test card: utoff distance will be 95% of value shown. Using 6% black test card: utoff distance will be 9% of value shown. Ø mm spot 8 mm focus Ø mm spot 5 mm cutoff Using 8% gray test card: utoff distance will be 9% of value shown. Using 6% black test card: utoff distance will be 85% of value shown. Ø mm spot mm focus Ø mm spot 5 mm cutoff Using 8% gray test card: utoff distance will be 85% of value shown. Using 6% black test card: utoff distance will be 75% of value shown. Ø mm spot mm focus Ø mm spot mm cutoff Focus and spot sizes are typical Tel: P/ 5 Rev.

7 8 eries ensors (D Voltage) Dimensions abled Models QD Models m (6.5') able reen LD Power ndicator Yellow LD Output ndicator Jam uts () 8 x mm Thread Yellow LD Output ndicator reen LD Power ndicator Jam uts () 8 x mm Thread 59. mm* (.") 7. mm (.6") 78. mm* (.7") 7. mm (.6") *Polarized retro and fixed-field models = 65. mm (.56") *Polarized retro and fixed-field models = 8.8 mm (.") Wiring Diagrams abled mitters QD mitters Key V dc V dc. Brown. White. Blue. Black P tandard P larm tandard larm - - V dc - V dc larm - V dc - V dc larm Wiring for the quick disconnect (QD) models is functionally identical. ccessories -Pin Threaded M/uro-tyle ordsets Model Length tyle Dimensions Pinout (Female) MQD-6.8 m (6 ft) MQD-5 MQD-.57 m (5 ft) 9. m ( ft) traight Typ. MQD-5 5. m (5 ft) M x ø.5 = Brown = White = Blue = Black P/ 5 Rev. - Tel:

8 8 eries ensors (D Voltage) -Pin Threaded M/uro-tyle ordsets Model Length tyle Dimensions Pinout (Female) MQD-6R MQD-5R.8 m (6 ft).57 m (5 ft) Typ. [.6"] MQD-R 9. m ( ft) Right-ngle Typ. [.8"] MQD-5R 5. m (5 ft) M x ø.5 [.57"] Banner ngineering orp. Limited Warranty Banner ngineering orp. warrants its products to be free from defects in material and workmanship for one year following the date of shipment. Banner ngineering orp. will repair or replace, free of charge, any product of its manufacture which, at the time it is returned to the factory, is found to have been defective during the warranty period. This warranty does not cover damage or liability for misuse, abuse, or the improper application or installation of the Banner product. TH LMTD WRRTY LUV D LU OF LL OTHR WRRT WHTHR PR OR MPLD (LUD, WTHOUT LMTTO, Y WRRTY OF MRHTBLTY OR FT FOR PRTULR PURPO), D WHTHR R UDR OUR OF PRFORM, OUR OF DL OR TRD U. This Warranty is exclusive and limited to repair or, at the discretion of Banner ngineering orp., replacement. O VT HLL BR R ORP. B LBL TO BUYR OR Y OTHR PRO OR TTY FOR Y TR OT, P, LO, LO OF PROFT, OR Y DTL, OQUTL OR PL DM RULT FROM Y PRODUT DFT OR FROM TH U OR BLTY TO U TH PRODUT, WHTHR R OTRT OR WRRTY, TTUT, TORT, TRT LBLTY, L, OR OTHRW. Banner ngineering orp. reserves the right to change, modify or improve the design of the product without assuming any obligations or liabilities relating to any product previously manufactured by Banner ngineering orp. ny misuse, abuse, or improper application or installation of this product or use of the product for personal protection applications when the product is identified as not intended for such purposes will void the product warranty. ny modifications to this product without prior express approval by Banner ngineering orp will void the product warranties. ll specifications published in this document are subject to change; Banner reserves the right to modify product specifications or update documentation at any time. pecifications and product information in nglish supersede that which is provided in any other language. For the most recent version of any documentation, refer to: Banner ngineering orp. ll rights reserved