WORLD-BEAM QS18U Ultrasonic Sensors Miniature Ultrasonic Sensors with TEACH-Mode Programming Features * * * * * * * * * * Fast, easy-to-use TEACH-Mode programming; no potentiometer adjustments Ultra-compact housing One discrete output: NPN or PNP, depending on model Two bi-colored status LEDs Rugged encapsulated version for harsh environments Choose 2 meter or 9 meter unterminated cable, 4-pin Euro-style or 4-pin Pico-style QD connectors (either integral or with 150 mm pigtail) Wide operating range of -20 to +60 C (-13 to +140 F) Temperature compensation Configurable for normally open or normally closed operation Fast response time (15 milliseconds) Models Models QS18UNA QS18UPA QS18UNAE QS18UPAE Sensing Range TEACH Option Cable* Integral push button or remote 50 mm to TEACH (IP67, NEMA 6P) 500 mm (2 in to 20 Remote TEACH (epoxy-encapsulain) ted, IP68, NEMA 6P) Supply Voltage Output NPN 4-wire, 2 m (6.5 ft) cable with shield 12-30V dc PNP NPN PNP Overview 1 Green: Power Indicator 2 Yellow: Light Sensed Indicator 3 Cutoff Point Adjustment Screw Figure 1. Sensor features P/N 119287 Rev. F 2/12/2013 0 119287 2 WORLD-BEAM QS18U Ultrasonic Sensors Sensor Installation Figure 2. Required Orientation of Object to Sensor Principles of Operation Ultrasonic sensors emit one or multiple pulses of ultrasonic energy, which travel through the air at the speed of sound. A portion of this energy reflects off the target and travels back to the sensor. The sensor measures the total time required for the energy to reach the target and return to the sensor. The distance to the object is then calculated using the following formula: D = ct 2 D = distance from the sensor to the target c = speed of sound in air t = transit time for the ultrasonic pulse To improve accuracy, an ultrasonic sensor may average the results of several pulses before outputting a new value. Temperature Effects The speed of sound is dependent upon the composition, pressure and temperature of the gas in which it is traveling. For most ultrasonic applications, the composition and pressure of the gas are relatively fixed, while the temperature may fluctuate. In air, the speed of sound varies with temperature according to the following approximation: In metric units: Cm/s = 20 273 + TC In English units: Cft/s = 49 460 + TF Cm/s = speed of sound in meters per second Cft/s = speed of sound in feet per second TC = temperature in C TF = temperature in F Temperature Compensation Changes in air temperature affect the speed of sound, which in turn affects the distance reading measured by the sensor. An increase in air temperature shifts both sensing window limits closer to the sensor. Conversely, a decrease in air temperature shifts both limits farther away from the sensor. This shift is approximately 3.5% of the limit distance for a 20 C change in temperature. The QS18U series ultrasonic sensors are temperature compensated This reduces the error due to temperature by about 90%. The sensor will maintain its window limits to within 1.8% over the -20 to +60 C (-4 to +140 F) range. 2 www.bannerengineering.com - tel: 763-544-3164 P/N 119287 Rev. F WORLD-BEAM QS18U Ultrasonic Sensors NOTE: * Exposure to direct sunlight can affect the sensor's ability to accurately compensate for changes in temperature. * If the sensor is measuring across a temperature gradient, the compensation will be less effective. * The temperature warmup drift upon power-up is less than 7% of the sensing distance. After 5 minutes, the apparent switchpoint will be within 0.6% of the actual position. After 25 minutes, the sensing position will be stable. Sensor Programming Green/Red Power/Signal Strength LED Two TEACH methods may be used to program the sensor: * Teach individual minimum and maximum limits, or * Use Auto-Window feature to center a sensing window around the taught position The sensor may be programmed either via its push button, or via a remote switch. Remote programming also may be used to disable the push button, preventing unauthorized personnel from adjusting the programming settings. To access this feature, connect the white wire of the sensor to 0V dc, with a remote programming switch between the sensor and the voltage. Yellow/Red TEACH/Output Indicator LED Push Button (IP67 models only) Figure 3. Sensor Features Programming is accomplished by following the sequence of input pulses (see programming procedures starting on page 4). The duration of each pulse (corresponding to a push button "click"), and the period between multiple pulses, are defined as "T": 0.04 seconds < T < 0.8 seconds Target Target Dead Zone Maximum Operating Range Far Setpoint Target Near Setpoint Target Minimum Operating Range Power Output Power Output Power Output ON: Green ON: Green ON: Yellow ON: Green OFF OFF Power Output ON: Red OFF Figure 4. TEACH Interface Status Indicators Power ON/OFF LED Indicates Output/Teach LED Indicates OFF Power is OFF OFF Target is outside window limits (normally open operation). ON Red Target is weak or outside sensing range. Yellow Target is within window limits (normally open operaton). P/N 119287 Rev. F www.bannerengineering.com - tel: 763-544-3164 3 WORLD-BEAM QS18U Ultrasonic Sensors Power ON/OFF LED Indicates Output/Teach LED Indicates ON Green Sensor is operating normally, good target. ON Red (solid) In Teach Mode, waiting for first limit. ON Red (flashing) In Teach Mode, waiting for second limit. Teaching Minimum and Maximum Limits General Notes on Programming * The sensor will return to RUN mode if the first TEACH condition is not registered within 120 seconds. * After the first limit is taught, the sensor will remain in PROGRAM mode until the TEACH sequence is finished. * To exit PROGRAM mode without saving any changes, press and hold the programming push button > 2 seconds (before teaching the second limit). The sensor will revert to the last saved limits. Normally Open Operation Minimum Limit Output OFF Maximum Limit Output ON Output OFF Normally Closed Operation Minimum Limit Output ON Maximum Limit Output OFF Output ON Figure 5. Teaching independent minimum and maximum limits Procedure Result Push Button Remote Line 0.04 seconds "Click" 0.8 seconds 0.04 sec < T < 0.8 sec Programming Mode * Press and hold push button * No action required; sensor is ready for 1st limit teach Output LED: ON Red Power LED: ON Green (good signal) or ON Red (no signal) Teach First Limit * Position the target for the first limit * Position the target for the first limit Power LED: Must be ON Green * "Click" the push button * Single-pulse the remote line Teach Accepted Output LED: Flashing Red Teach Unacceptable Output LED: ON Red T Teach Second Limit * Position the target for the second limit * Position the target for the second limit Power LED: Must be ON Green * "Click" the push button * Single-pulse the remote line T 4 www.bannerengineering.com - tel: 763-544-3164 Teach Accepted Output LED: Yellow or OFF Teach Unacceptable Output LED: Flashing Red P/N 119287 Rev. F WORLD-BEAM QS18U Ultrasonic Sensors Teaching Limits Using the Auto-Window Feature Teaching the same limit twice automatically centers a 20 mm window on the taught position. General Notes on Programming * The sensor will return to RUN mode if the first TEACH condition is not registered within 120 seconds. * After the first limit is taught, the sensor will remain in PROGRAM mode until the TEACH sequence is finished. * To exit PROGRAM mode without saving any changes, press and hold the programming push button > 2 seconds (before teaching the second limit). The sensor will revert to the last saved program. Normally Open Operation Taught Position Position - 10 mm Output OFF Position + 10 mm Output ON Output OFF Normally Closed Operation Taught Position Position - 10 mm Output ON Position + 10 mm Output OFF Output ON Figure 6. Using the Auto-Window feature for programming each output Procedure Result Push Button Remote Line 0.04 seconds "Click" 0.8 seconds 0.04 sec < T < 0.8 sec Programming Mode * Press and hold push button * No action required; sensor is ready for 1st limit teach Output LED: ON Red Power LED: ON Green (good signal) or ON Red (no signal) Teach First Limit * Position the target for the first limit * Position the target for the center of the window Power LED: Must be ON Green * "Click" the push button * Single-pulse the remote line Teach Accepted Output LED: Flashing Red Teach Unacceptable Output LED: ON Red T Re-Teach Limit P/N 119287 Rev. F * Without moving the target, "click" the push button again * Without moving the target, singlepulse the remote line again T www.bannerengineering.com - tel: 763-544-3164 Teach Accepted Output LED: Yellow or OFF Teach Unacceptable Output LED: Flashing Red 5 WORLD-BEAM QS18U Ultrasonic Sensors Taught Position (background surface) Near Range Position -10 mm Sensor Output ON Position +10 mm Any object in this area will switch the output, whether or not the object returns a good signal to the sensor. Sensor Output OFF Output OFF Output ON Sensing Distance Figure 7. An application for the Auto-Window feature (retroflective mode) Normally Open / Normally Closed Operation Select The sensor can be configured for either normally open or normally closed operation via the remote teach wire (white). A series of three pulses on the line will toggle between normally open and normally closed operation. Normally open is defined as the output energizing when the target is present. Normally closed is defined as the output energizing when the target is absent. See Figures 5 and 6. Procedure Toggle between N.O. / N.C. Operation Result Push Button Remote Line 0.04 seconds "Click" 0.8 seconds 0.04 sec < T < 0.8 sec * Not available via push button * Triple-pulse the remote line T T T T T Either Normally Open or Normally Closed operation is selected, depending on previous condition. Push Button Lockout Enables or disables the push button to prevent unauthorized personnel from adjusting the program settings. Procedure Push Button Lockout 6 Result Push Button Remote Line 0.04 seconds "Click" 0.8 seconds 0.04 sec < T < 0.8 sec * Not available via push button * Four-pulse the remote line T T T T T T T www.bannerengineering.com - tel: 763-544-3164 Push buttons are either enabled or disabled, depending on condition. P/N 119287 Rev. F WORLD-BEAM QS18U Ultrasonic Sensors Specifications Supply Voltage 12 - 30V dc (10% maximum ripple); 25 mA max (exclusive of load) Supply Protection Circuitry Protected against reverse polarity and transient voltages Output Configuration SPST solid-state switch conducts when target is sensed within sensing window; one NPN (current sinking) or one PNP (current sourcing), depending on model. Rating: 100 mA maximum load; see Application Note 1 Off-state leakage current: less than 10 A (sourcing); less than 200 A (sinking); see Application Note 2 ON-state saturation voltage: NPN: less than 1.6V @ 100 mA; PNP: less than 3.0V @ 100 mA Output Response NOTE: 300 ms delay on power-up; output does not conduct during this time 15 milliseconds Repeatability 0.7 mm Indicators Range Indicator (Red/Green) and Teach/Output Indicator (Yellow/Red) Range Indicator: Green - Target is within sensing range; Red - Target is outside sensing range; OFF Sensing Power is OFF Teach/Output Indicator: Yellow - Target is within taught limits; OFF - Target is outside taught window limits; Red - Sensor is in TEACH mode Adjustments Sensing Window Limits: TEACH-mode programming of near and far window limits may be set using the push button or remotely via TEACH input Construction ABS housing, TPE Push Button, ABS Push Button housing, Polycarbonate lightpipes, leakproof design Connections 2 m (6.5 ft) or 9 m (30 ft) 4-conductor PVC jacketed attached cable, or 4-pin Euro-style integral QD (Q8), or 4-pin Pico-style integral QD (Q7), or 4-pin Euro-style 150 mm (6 in) pigtail QD (Q5), or 4-pin Pico-style 150 mm (6 in) pigtail QD (Q) Operating Conditions Relative Humidity: 100% @ 55 C (non-condensing) Temperature: - 20 to + 60 C (- 4 to + 140 F) Application Notes If supply voltage is > 24V dc, derate maximum output current 5 mA/C above 50C. NPN off-state leakage current is < 200 A for load resistances > 3 k or optically isolated loads. For load current of 100 mA, leakage is < 1% of load current. Objects passing inside the specified near limit may produce a false response. Certifications Sensor Response Curves QS18U Effective Beam Pattern (Typical) QS18U Maximum Target Rotation Angle 15 50 10 30 Target Rotation Lateral Distance (mm) 40 20 10 0 -10 -20 5 0 -5 -10 -30 -15 -40 0 -50 0 100 200 Sensing Distance (mm) 300 400 500 100 200 300 400 500 Sensing Distance (mm) 2.5 mm rod 8 mm rod 50 mm x 50 mm plate Dimensions P/N 119287 Rev. F www.bannerengineering.com - tel: 763-544-3164 7 WORLD-BEAM QS18U Ultrasonic Sensors Cabled Models Pico-Style QD Models Euro-Style QD Models 33.5 mm (1.32") 17.1 mm (0.67") 15.0 mm (0.59") 3 mm (0.12") 41.5 mm (1.63") 24.1 mm (0.95") 49 mm (1.93") 35.0 mm (1.38") 150 mm (6") Pico-style Pigtail M18 x 1 Thread Max. Torque 2.3 Nm (20 in-lbs) o 3.3 mm (0.13") Max. Torque 0.6 Nm (5 in-lbs) Locknut (included with all models) 150 mm (6") Euro-style Pigtail Integral 4-pin Pico-Style QD Integral 4-pin Euro-Style QD Washer (included with all models) O 23.9 mm (0.94") 24.2 mm (0.95") 1.6 mm (0.06") O 17.8 mm (0.70") M3 Hardware Packet Contents: * 2 - M3 x 0.5 x 20 mm SS Screw * 2 - M3 x 0.5 SS Hex Nut * 2 - M3 SS Washer 8.0 mm (0.32") Wiring NPN (Sinking) Output Models PNP (Sourcing) Output Models bn bn 12 - 30V dc bu bk wh shield 12 - 30V dc bu bk Load wh shield Remote programming switch (normally open) Load Remote programming switch (normally open) Cable and QD hookups are functionally identical. It is recommended that the shield wire be connected to earth ground. Shielded cordsets are recommended for all QD models. Quick-Disconnect (QD) Cordsets 4-Pin Snap-On M8/Pico-Style Cordsets with Shield Model Length Style PKG4S-2 2.00 m (6.56 ft) Straight Dimensions Pinout o10 mm max. (0.4") 4 28 mm max. (1.1") 2 1 3 1 = Brown 2 = White 3 = Blue 4 = Black 8 www.bannerengineering.com - tel: 763-544-3164 P/N 119287 Rev. F WORLD-BEAM QS18U Ultrasonic Sensors 4-Pin Snap-On M8/Pico-Style Cordsets with Shield Model Length Style PKW4ZS-2 2.00 m (6.56 ft) Right Angle Dimensions Pinout 25 mm max. (1.0") 20 mm (0.8") o12 mm max. (0.5") 4-Pin Threaded M12/Euro-Style Cordsets with Shield Model Length Style MQDEC2-406 1.83 m (6 ft) Straight MQDEC2-415 4.57 m (15 ft) MQDEC2-430 9.14 m (30 ft) MQDEC2-406RA 1.83 m (6 ft) MQDEC2-415RA 4.57 m (15 ft) MQDEC2-430RA 9.14 m (30 ft) Dimensions Pinout o 15 mm (0.6") 44 mm max. (1.7") Right-Angle M12 x 1 1 32 Typ. [1.26"] 4 30 Typ. [1.18"] M12 x 1 o 14.5 [0.57"] 2 3 1 = Brown 2 = White 3 = Blue 4 = Black Mounting Brackets SMB18A * Right-angle mounting bracket with a curved slot for versatile orientation * 12-ga. stainless steel * 18 mm sensor mounting hole * Clearance for M4 (#8) hardware SMBQS18RA * Right-angle mounting bracket * 14-ga. 304 stainless steel SMB18SF * 18 mm swivel bracket with M18 x 1 internal thread * Black thermoplastic polyester * Stainless steel swivel locking hardware included SMB18UR * 2-piece universal swivel bracket * 300 series stainless steel P/N 119287 Rev. F www.bannerengineering.com - tel: 763-544-3164 9 WORLD-BEAM QS18U Ultrasonic Sensors * Stainless steel swivel locking hardware included * Mounting hole for 18 mm sensor Banner Engineering Corp Limited Warranty Banner Engineering Corp. warrants its products to be free from defects in material and workmanship for one year following the date of shipment. Banner Engineering Corp. 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. THIS LIMITED WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES WHETHER EXPRESS OR IMPLIED (INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE), AND WHETHER ARISING UNDER COURSE OF PERFORMANCE, COURSE OF DEALING OR TRADE USAGE. This Warranty is exclusive and limited to repair or, at the discretion of Banner Engineering Corp., replacement. IN NO EVENT SHALL BANNER ENGINEERING CORP. BE LIABLE TO BUYER OR ANY OTHER PERSON OR ENTITY FOR ANY EXTRA COSTS, EXPENSES, LOSSES, LOSS OF PROFITS, OR ANY INCIDENTAL, CONSEQUENTIAL OR SPECIAL DAMAGES RESULTING FROM ANY PRODUCT DEFECT OR FROM THE USE OR INABILITY TO USE THE PRODUCT, WHETHER ARISING IN CONTRACT OR WARRANTY, STATUTE, TORT, STRICT LIABILITY, NEGLIGENCE, OR OTHERWISE. Banner Engineering Corp. 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 Engineering Corp. www.bannerengineering.com - tel: 763-544-3164