Technical Specifications OUTPUTSPECIFICATIONS FRONTPANELCONTROLS (standardversions) Operating modes: Constant voltage or constant current with Voltage setting: Via single rotary controls for coarse and automatic crossover. fine control. Voltage range: 0V to 35V (TSX3510/TSX3510P). Current setting: Via single turn semi-logarithmic rotary control. 0V to 18V (TSX1820/TSX1820P). Overvoltage setting: Via screwdriver adjustable preset poten- Current range: 0A to 10A (TSX3510/TSX3510P). tiometer. 0A to 20A (TSX1820/TSX1820P). Output On/Off: Latchinh push-push switch operating Overvoltage protection: 10% to 110% of max. output voltage. electronic power control. AIM & THURLBY THANDAR INSTRUMENTS Setting resolution: 10mV, 10mA. Load regulation: <0.01% of max. O/P for 90% change. FRONTPANELCONTROLS(Pversions) Line regulation: <0.01% of max. O/P for 10% change. TSX Series Voltage setting: Direct keyboard entry or quasi-analogue Output impedance: <1m in constant voltage mode. rotary control. >5k in constant current mode. Current setting: Direct keyboard entry or quasi-analogue Ripple & noise: <1mV RMS typical in constant voltage. rotary control. <3mA RMS typical in constant current. Overvoltage setting: Direct keyboard entry. HF common mode noise: Typically <3mV RMS, <10mV pk. Output On/Off: Push button control with indicator lamp Transient load response: <20us to within 50mV of set level for operating electronic power control. 90% load change. o Note: all voltage and current levels set via the keyboard are displayed Temperature coefficient: typically <100ppm/ C. on a separate 0.3 4 digit display. This entry preview system ensures Overvoltage protection that the user can observe the value entered before it is effected thus delay: <200us. avoiding possible error. The display is also used for setting additional Protection functions: Overvoltage trip functions and for displaying watts. Regulator overtemperature Sense miswiring. Additional keyboard functions: Status indication: Output On lamp Increase or decrease voltage or current in user-selectable steps Constant voltage mode lamp (delta mode). Store/recall voltage, current & OVP levels from Constant current mode lamp non-volatile memory (25 memories). Set digital interface type Trip message on display. (RS232 or GPIB), set baud rate, set address. Output terminals: 4mm output terminals at front, screw ter- minals for output and sense at rear. DIGITALINTERFACES(Pversions) Output protection: Full forward and reverse protection via OVP and diode clamp. RS232: Variable baud rate, 9600 baud maximum, 9 pin D connector METERSPECIFICATIONS (male). Fully compatible with standard RS232 or TTi address- able RS232 system (ARC). Meter types: Separate 4 digit meters for voltage and IEEE-488 (GPIB): Conforming with IEEE488.1 & IEEE488.2. current with 12.5mm (0.5 ) LED displays. Bus Functions: Set voltage set current set OVP set output Meter resolutions: 10mV, 10mA. On/Off read output voltage/current. Meter accuracies: Voltage (0.2% + 1 digit) Setting resolution: Voltage - 10mV Current - 10mA. Current (0.5% + 1 digit). Setting accuracy: Voltage - (0.1% + 10mV) GENERAL Current - (0.2% + 20mA). Response times: Input voltage range: 220V to 240 volts 10% or 110 to 120 Interface - <15ms (single command) volts 10%, 47 to 63Hz. PSU - Depends on Load conditions, typically 150ms to within Installation Category II. 0.1% of final value (except for voltage reduction with low load Power requirement: 600VA max. current which will be longer). Electrical safety: Complies with EN61010-1. Readback resolution: Voltage - 10mV Current - 10mA. EMC: Complies with EN61326. Readback accuracy: Voltage - (0.1% + 1 digit) o o Temperature: +5 C to +40 C operating, 20% to 80% Current - (0.5% +1 digit). o o RH, -40 C to +70 C storage. Operating software: Cooling: Silent fan-less convection cooling. Software for operating the PSUs under GPIB or RS232 control Size: 210 x 130 x 350mm (WxHxD) is available including a Labwindows* driver and ARC-TALK (half rack width x 3U height). software for a PC. Weight: 5.0kg (TSX versions). 5.5kg (TSX-P versions). Options: Rack Mounting kit. Models Voltage/Current Power TSX1820 TSX1820P 18 volts, 20 amps 360 watts High Power Laboratory DC Power Supplies Thurlby Thandar Instruments Ltd. operates a policy of continuous development and reserves the right to alter specifications without prior notice. * Labwindows is a trade- TSX3510 TSX3510P 35 volts, 10 amps 350 watts mark of National Instruments Corporation. 350/360 watts, standard and bus programmable Designed and built in Europe by: ThurlbyThandarInstrumentsLtd. Glebe Road, Huntingdon. Cambs. PE29 7DX United Kingdom (UK) Tel:+44(0)1480412451 Fax: +44 (0)1480 450409 Email: info aimtti.com Web:www.aimtti.com 82100-0043 Issue 2Athe TSX series of high output DC power supplies power with precision & simplicity power with programmable versatility Delta-mode control The pre-regulator uses specially devel- Part of an extensive The standard & P Bench or rack mounting The P versions oped techniques to dramatically reduce Voltages and currents can be stepped versions The attractively styled casing takes up PSU range the capacitance between input and out- The TSX-P versions represent a major up and down by a fixed increment set very little bench space and incorporates The TSX series represents the state of put thus eliminating the high levels of step forward in PSU design. from the keyboard. This facility is invalu- TTi is one of the worlds foremost pro- a tilt bail to angle the front panel when the art in high output PSU design. common-mode noise normally associ- able for repetitive testing where, for ex- ducers of laboratory power supplies. They combine a wealth of ease of use required. ated with switch mode PSUs. A wide range of voltage-current output ample, the effect of 1% changes in orientated keyboard functions with full If the TSX series The case is half rack width (3U height), an voltage need to be observed. combinations will become available with The linear post-regulator combines very remote programmability. does not meet your optional rack-mount kit is available. power levels of 360 Watts and more. low levels of output noise with excellent The delta increment is clearly shown on needs, then one of The result is the most comprehensive Output terminals are fitted at both front load regulation and transient response. Each output combination is available in the auxiliary display. our other PSU se- and versatile PSU control system avail- and rear. The result is performance comparable two versions: with conventional ana- able anywhere. ries probably will. with a pure linear design. logue controls (TSX) and with program- * Note that in rack environments with Non-volatile storage of The range includes limited ventilation fan cooling may be- mable controls (TSX-P). A third display for clarity & single, dual and tri- multiple settings Compact and lightweight come necessary. ple output models safety 25 non-volatile memories are provided Linear post regulation for The hybrid regulator design provides a with power levels for storing frequently used settings. To provide additional data and to avoid Constant voltage or PSU which is both smaller and lighter from 15 watts up to unrivalled performance Each store holds a voltage, current and any possibility of ambiguity or error an than competitive products. around 1kW. constant current operation The heart of all TSX series PSUs is an OVP setting. auxiliary display is incorporated. The high thermal efficiency also means All TSX series PSUs can operate in both innovative regulator design which com- This facility is particularly useful in re- that the PSUs are silent in operation bines switch mode pre-regulation with constant voltage and constant current petitive testing situations within produc- since fan cooling is unnecessary *. modes with automatic crossover and linear post-regulation. tion, development or inspection areas. automatic mode indication. Full bus control, GPIB & RS-232 High accuracy metering The P versions incorporate both GPIB and to be individually addressed and All versions incorporate high resolution (conforming to IEEE-488.1 & .2) and ad- controlled using a single RS-232 port on digital meters for both voltage and current. dressable RS-232 (ARC) interfaces as a computer. standard. V and I levels can be set to high accu- Bus controlled functions include set volt- racy prior to connection to the load and The ARC system allows up to 32 instru- age, set current, set OVP, set output the limit settings can be checked at any ments to be daisy-chained together on/off, read voltage, read current. All keyboard entries appear on this dis- time. play for inspection before they are ac- A damping switch for the current meter tioned by pressing the confirm key. enables the average value of rapidly This failsafe system avoids such possi- changing currents to be read. bilities as setting 25 Volts instead of 2.5 Volts as could occur on other less care- Full overvoltage protection fully designed systems. All versions incorporate a fully variable The auxiliary display is also used to set OVP trip to protect against regulator fail- and display a variety of useful informa- ure. tion. The output is fully protected and other protection functions include regulator Keyboard or over temperature, and sense miswiring. quasi-analogue control Voltage and current levels can be en- tered directly from the keypad to a reso- lution of 10mV or 10mA giving The standard versions unparalleled speed and precision. 35V-10A & 18V-20A variants The standard TSX versions of the series Alternatively a rotary control can be incorporate conventional analogue con- High power levels in a compact & lightweight casing used to set voltage or current in a man- trols for precision with simplicity. ner simulating a conventional analogue Coarse and fine voltage controls offer Bench or rack mounting, front & rear terminals control. fast setting with high setting resolution at all levels while a semi-logarithmic cur- Very low noise, excellent transient response Watts display for added rent control provides resolution com- CV & CI operation with automatic crossover mensurate with the current level. convenience Keyboard setting of all parameters Fan-free operation means that these When not being used for other purposes Comprehensive protection including variable OVP trip PSUs add no noise to the bench-top en- the auxiliary display shows the output Rotary and delta (step) control of V and I vironment. power in Watts (Volts x Amps). High setting resolution, remote sense terminals Watts display, non-volatile storage of 25 settings These PSUs are ideally suited to gen- eral purpose applications in many tech- High accuracy digital meters, current meter damping Fully programmable with bus readback of V and I nology areas. Silent fan-free operation GPIB (.2) & addressable RS232 (ARC) interfaces