sensing and control misuse of documentation ? the information presented in this product sheet (or catalogue) is for reference only. do not use this document as product installation information. complete installation, operation and maintenance information is provided in the instructions supplied with each product. failure to comply with these instructions could result in death or serious injury. warning ! gtn series hall effect gear tooth sensors features digital current sinking output (open collector) integrated reverse polarity protection measuring range 2 hz to 9 khz (depending on target) rugged package with connectorized output diagnostic detection of sensor power supply benefits better signal to noise ratio than variable reluctance sensors, output amplitude not dependent on speed resistant to damage from incorrect wiring suitable for most vehicle applications physical protection and cost effective installation. allows breakages or short circuits in sensor power supply to be detected. description gtn series gear tooth sensors use a magnetically biased hall effect integrated circuit (ic) to accurately sense movement of ferrous metal targets. this specially designed ic, together with protection and diagnostic circuitry and a permanent magnet, is sealed in a rugged probe type package. operation the flux density of the permanent magnet alters when approached by ferrous metal. this is detected by the hall ic. if the sensor is positioned at the circumference of a revolving gear wheel, for example, it detects teeth and tooth spaces, supplying a digital pulse output with frequency proportional to gear wheel speed. optimum performance is dependent on the following variables which must be considered in combination : target material, geometry and speed, sensor/ target gap, ambient temperature and stray fields. an integrated electronic diagnostics feature enables detection of open or short circuits in the power supply line by monitoring levels in the sensor output. installation the sensor is flange mounted with a range of possible lengths, eliminating adjustment and positioning. connection is by amp superseal 1.5 series. typical applications the compact design and rugged construction make this sensor the preferred solution for applications such as : measuring rpm in gearboxes monitoring rpm and position of crankshafts and camshafts pulse counters tachometers
this publication does not constitute a contract between honeywell and its customers. the contents may be changed at any time w ithout notice. it is the customer?s responsibility to ensure safe installation and operation of the products. detailed mounting drawings of all products illustrat ed are available on request. ? honeywell 2001 honeywell control systems ltd www.honeywell.com/sensing newhouse industrial estate motherwell ml1 5sb scotland, uk 100433-en is sue 2 11/01 uk07 printed in the united kingdom on environmentally friendly paper supply voltage 4.5 v to 32 v absolute maximum 8 v to 16 v nominal (12 v version) 21 v to 32 v nominal (24 v version) current input 20 ma nominal (max 40 ma) output data (open collector) high 18 kohm low 1 kohm (12 v version) 1.5 kohm (24 v version) pull-up voltage 4.5 v to 15 v (12 v version) 4.5 v to 32 v (24 v version) switching performance: rise time 10% to 90% 15 us fall time 90% to 10% 1 us measuring range 2 hz to 9 khz (depends on target) degree of protection ip 67, ip 68, ip 69k ambient temperature -40 c to +125 c up to +150 c briefly, max 12 h vibration vibration test in accordance with din iec 68 t2-6 shock shock in accordance with din ice 68 t2-27 repetitive shock in accordance with din ice 68 t2-29 emc protection included, details available on request mounting dimensions in mm warranty/remedy honeywell warrants goods of its manufacture as being free of defective material and faulty workmanship. contact your local sales office for warranty informa- tion. if warranted goods are returned to honeywell during that period of coverage, honeywell will repair or replace without charge those items it finds defective. the foregoing is buyer?s sole remedy and is in lieu of all other warranties, expressed or implied, including those of merchantability and fitness for a particular purpose. while we provide application assistance, personally, through our literature and the honeywell web site, it is up to the customer to determine the suitability of the product in the application. specifications may change at any time without notice. the information we supply is believed to be accurate and reliable as of this printing. however, we assume no responsibility for its use. sales and service honeywell serves its customers through a worldwide network of sales offices and distributors. for application assistance, current specifications, pricing or name of the nearest authorised distributor, contact your local sales office or: internet: www.honeywell.com/sensing e-mail: info.sc@honeywell.com (according to external wiring, r pull-up and u pull-up ) gtn geartooth sensors GTN1A111 12 v, connector position 1, 40 mm probe length gtn1a112 12 v, connector po sition 1, 53 mm proble length gtn1a113 12 v, connector position 1, 77.75 mm proble length gtn1a114 12 v, connector position 1, 83.25 mm probe length gtn1a115 12 v, connector position 1, 95 mm probe length gtn1a116 12 v, connector position 1, 100 mm probe length gtn1a117 12 v, connector position 1, 125 mm probe length gtn1a211 24 v, connector position 1, 40 mm probe length gtn1a131 12 v, connector position 3, 40 mm probe length other permutations are possible, contact honeywell for details order guide technical data
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