technical specifications continued de signed and built in the u.k. by: 82100- 0046 http://www..net/ datasheet pdf - http://www..net/
thurlby than dar pl se ries the pre mier range of labo ra tory power sup plies pre ci sion with con ven ience the thurlby than dar pl se ries of labo - ra tory bench power sup plies has es tab - lished it self in many coun tries as the ?pre mie r? range. high reso lu tion con trols en able pre cise set ting of volt age and cur rent lev els whilst high ac cu racy digi tal me ters pro - vide clear, un am bi gu ous read ings. all of the many fea tures of these psus have been care fully de signed to give the user not just greater pre ci sion, but greater clar ity, more con trol and un ri - valled ease of use. the range has now been im proved and ex tended to of fer even bet ter per form - ance and choice. digital accuracy and convenience pl se ries units in cor po rate digi tal me ters with a 3.75 digit scale length (4095 counts) to pro vide greater ac cu racy and reso lu tion than other psus. large and bright leds give a clear and un am bi gu ous read ing. an up date rate of 4 per sec ond pro vides near in stan ta ne - ous re sponse. sepa rate me ters are used for volt age and cur rent, elimi nat ing the need for me - ter func tion switches with their at ten dant prob lems of mis in ter pre ta tion. a damp ing switch for the cur rent me ter sim pli fies meas ure ments on rap idly vary - ing loads. remote sense for precision at high currents pl se ries units in cor po rate in te grated band- gap ref er ence di odes as the ba sis for sta bi li sa tion of both volt age and cur - rent. re mote sense ter mi nals en able the pre - ci sion to be main tained at high cur rents by elimi nat ing the ef fects of con nec tion lead re sis tance. with out re mote sense lead re sis tance of just a few tens of mil li ohms can se ri ously de grade regu la tion and pro duce mis - lead ing re sults. (two ca bles of 0.05 w each will drop a to tal of 0.3v at 3 amps.) greater reso lu tion and con trol the pl se ries sets the stan dard for sim - ple and com pre hen sive con trol. volt ages are set with coarse and fine con trols for speed with pre ci sion. cur rents are set with a semi- logarithmic con trol for in creased reso lu tion at low cur rent lev els. the dc out put switch en ables volt age and cur rent lev els to be set bef ore the load is con nected. with the out put switch ?of f? the the cur - rent limit set point is dis played. with the out put switch ?o n? the ac tual out put cur - rent flow ing is dis played. this in valu able fea ture al lows deli cate cir cuits to be pro tected by ac cu rately set - ting the cur rent limit level (down to a few mil liamps if nec es sary) bef ore con nect ing the cir cuit un der test. l si mul ta ne ous digi tal me ter ing of volt age and cur rent. l true con stant volt age or con stant cur rent op era tion. l twin 3.75 digit me ters with large led dis plays. l 0.1% ac cu racy; 0.01 volts and 0.001 amps reso lu tion. l ex cel lent sta bil ity, reso lu tion and set ting ac cu racy. l dc out put switches, auto mat ic mode in di ca tion. l pre cise con trol and moni tor ing of cur rent limit set tings. l re mote sense fa cil ity for high- current pre ci sion. l cur rent me ter damp ing switch for fluc tu at ing cur rents. l par al lel and track ing modes on qmd & qmt mod els. l high cur rent ?logic sup ply? out put on qmt mod els. safety and protection pl se ries psus are de signed and built to meet the strin gent re quire ments of iec348 and iec1010. all out puts are fully pro tected against short cir cuit, re verse volt age and re verse cur rents. each of the quad- mode dual mod els is al - ter na tively avail able as a tri ple sup ply in - cor po rat ing one fur ther in de pend ent out put. this is a higher cur rent 5 volt out put in - tended for pow er ing logic cir cuits. the cur rent rat ing and so phis ti ca tion of the logic out put var ies ac cord ing to the model as fol lows: pl310qmt fixed 5v sup ply at 1.5a maxi mum. full short- circuit pro tec tion. PL320QMT vari able out put volt age (4v to 6v) and vari able cur rent limit (0.1a to 4a). cali brated volt age con trol. re mote sense ter mi nals, dc out put switch, over- voltage trip. pl330qmt vari able out put volt age (4v to 6v) and vari able cur rent limit (0.1a to 7a). digi tal me ter for cur rent meas ure ment and volt age set ting. re mote sense ter mi nals, dc out put switch, over- voltage trip. quad- mode dual ver sions quad mode tri ple ver sions a wide range of models the pl se ries in cludes sin gle, dual and tri ple out put mod els from 35 watts up to 240 watts. see the model se lec tor guide for a sum - mary of volt age and cur rent com bi na tions. the pl se ries is part of a wider range of bench psus from thurlby than dar which in cludes mod els with cur rent ca - pa bili ties up to 20 amps. the 32v- 1a, 32v- 2a and 32v- 3a sup - plies are each avail able as a dual unit in - cor po rat ing push but ton se lec tion of four dif fer ent modes of op era tion. iso lated com pletely in de pend ent op era tion of each sup ply. se ries in ter nal link ing of the two sup plies pro - vid ing up to 64 volts. true par al lel con verts the mas ter unit into a 2 amp, 4 amp or 6 amp sup ply re spec tively. the thurlby than dar pl-p se ries of fers a high per form ance fully pro gram ma ble power sup ply sys tem at low cost. based around the 32v- 3a ver sions of the stan dard pl se ries, the pl-p mod els in - clude sin gle, dual and tri ple out put units suit able for bench or rack mount ing. when not con nected to the bus, these psus can be op er ated ex actly as a stan - dard pl se ries psu. gpib and rs-232 (arc) interfaces each pl-p se ries sup ply is fit ted with both a gpib (ieee- 488) in ter face and an arc (ad dress able rs232) in ter face as stan dard. both in ter faces pro vide full bus con trol of volt age and cur rent set tings along with full read back of ac tual cur rent and volt - age lev els. the gpib in ter face con forms fully with ieee- 488.2 as well as ieee- 488.1. the arc in ter face can be used as a con ven - tional rs- 232 in ter face or as part of a multi- instrument arc sys tem. on dual and tri ple out put mod els a sin gle bus ad dress con trols all out puts. fully isolated outputs for maximum flexibility each out put is fully float ing and is opto- isolated from the bus in ter faces. out puts can be linked in se ries or par al lel to pro duce higher volt ages or higher cur - rents as re quired. high resolution control and readback volt age and cur rent lev els can be set via the bus to a reso lu tion of 10mv and 1ma for each main out put. the 7 amp logic out put of the pl330tp can also be set to a reso lu tion of 10mv but the cur rent con trol reso lu tion is lim - ited to 1 amp steps. each main out put can be read back via the bus to a reso lu tion of 10mv and 1ma. l full bus con trol and read back of volt age and cur rent. l gpib in ter face con forms to ieee- 488.2. l arc (ad dress able rs- 232) in ter face for low- cost pc based con trol. l can be op er ated as a con ven tional bench psu. l sin gle, dual and tri ple out put mod els avail able. l tri ple out put model in cor po rates fully con trol la ble high cur rent logic out put. l rack mount ing kit (4u) avail able for all mod els. simple and consistent control pl-p se ries sup plies use sim ple and con sis tent com mand struc tures which make pro gram ming par ticu larly easy re - gard less of which in ter face is used. a na tional in stru ments labwin dow s* de vice driver is avail able as an op tion. arc, an exclusive thurlby thandar innovation arc stands for ?ad dress able rs- 232 chai n? and is a low- cost sys tem for link - ing in stru ments to gether so that they can be con trolled and moni tored by a per - sonal com puter. the arc in ter face is an ex ten sion of the in dus try stan dard rs- 232 in ter face and is ex clu sive to thurlby- thandar in stru - ments. it dif fers from con ven tional rs- 232 in that it al lows mul ti ple in stru ments (up to 32) to be con trolled us ing the nor mal rs- 232 or rs- 422/423 port of a pc. arc pro vides a low- cost al ter na tive to gpib which util ises lower cost in stru - ments, in ex pen sive ca bles, and can be con trolled by any per sonal com puter with out the need for a spe cial in ter face card or spe cial soft ware. * labwin dows is a trade mark of na tional in stru ments cor po ra tion. thurlby than dar pl-p se ries pro gram ma ble power at sur pris ingly low cost pl-p se ries http://www..net/ datasheet pdf - http://www..net/
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