Laboratory Power Supply Products from TTi - Thurlby Thandar Instruments

 TSP3222 - Description and Specifications

TSP3222 - 120W, Linear, Multi-Mode Dual, GPIB

  Dual 30V/2A series or parallel operation
  Dual isolated outputs (0-32V, 0-2A each)
  GPIB interface as standard (IEEE-488.2)
  Total control from front panel or GPIB
  Full voltage and current readback
  Relay switched series and parallel modes
  Variable OVP trip, full thermal protection
  Compact half-rack 3U case size

As a bench instrument

  • Dual isolated outputs (0-32V at 0-2A each)

  • Constant voltage or constant current operation

  • Full internal control of output configuration

  • Independent, Tracking, Series, Parallel modes

  • Simultaneous voltage and current metering

  • Set points and actual values shown together

  • Fully variable OVP setting, thermal protection

  • True linear operation, remote sense terminals

  • Direct keyboard setting of all parameters

  • Setting resolution of 10mV and 1mA

  • 25 non-volatile setting memories

 As an ATE component
  • GPIB interface fitted as standard
  • Conforms fully with IEEE-488.2
    Single GPIB address controls both outputs
  • All functions can be controlled from the GPIB
  • Fast response and slew (active sink on 3222H)
  • Output voltage and current readback to 12 bits
  • Full serial and parallel poll capabilities
  • Comprehensive status and error reporting
  • Monitoring of GPIB commands for debugging
  • Compact half-rack 3U size
  • Optional rack mount kit available

SPECIFICATIONS  

Output Voltage (each output)

Range:

0V to 32V (2V to 64V in series mode).

Resolution:

10mv.

Accuracy:

0.05% ±10mv.

Temp. coefficient:

50ppm/oC (typically 20ppm/oC).

Line regulation:

0.001% for 10% line change

Load regulation:

0.005% for 50% load change

Ripple and noise:

Typically <1mV.

Transient response:

<100us to within 50mV of setting for 50% load change.

Output impedance:

Typically <10mΩ at 1kHz.

Remote Sensing:

Corrects for up to 0.5V of drop per lead.

Output Current (each output)

Range:

1mA to 2A (1mA to 4A in parallel mode),

Resolution:

1mA.

Accuracy:

0.1% ±1mA.

Temp. coefficient:

<75ppm/oC (typically 40ppm/oC).

Ripple and noise:

Typically <0.2mA.

Output impedance:

Typically 50kΩ with voltage limit at max.

Output Mode

Each output can operate in constant voltage or constant current mode with automatic crossover. A display annunciator (flashing delta sign) indicates constant current mode.

Output Configuration

Isolated:

Two independently set isolated supplies (0 to 32V. 1mA - 2A).

Isolated tracking:

Two isolated supplies as above, voltage settings track.

Series:

Higher voltage output (2V to 64V, 1mA to 2A).

Parallel:

Higher current output (0V to 32V, 1mA to 4A).

Isolation:

±300V DC max.

Voltmeter (each output)

Resolution:

10mV.

Accuracy:

±(0.05% of reading + 10mV).

Current Meter (each output)

Resolution:

1mA.

Accuracy:

±(0.1% of reading + 1mA).

Over-voltage Protection (each output)

Range:

1V to 35V (3.2V to 70V in series mode).

Resolution:

0.2V,

Accuracy:

±(2% +0.2V).

Output Protection (each output)

Forward Voltage:

Inherently protected up to OVP setting. Output trips off above OVP setting (70V max.)

Reverse Voltage:

Diode clamped (0.7V) for reverse voltages. Max. reverse current 3A continuous.

Output Terminals

Front panel:

4mm terminals on 19mm (0.75") spacing.

Rear panel:

Screw terminals for output and sense.

Output On/Off

Independent switches for each output isolate the terminals and allow voltage and current limits to be set before connecting to load. Master on/off connects/isolates both outputs simultaneously

Non-Volatile Memory

25 memory locations are provided, Each location can store the full instrument set-up including voltage, current, OVP, output configuration etc. The power down settings are also stored and are restored when the unit is turned back on.

GPIB Response Times

Interface:

<15ms (single command, buffer empty).

Output TSP3222:

Up - <5ms for a 10V step. Down - <5ms for a 10V step at full load, <200ms for a 10V step at zero load.

Output TSP3222H:

Up - <5ms for a 10V step. Down - <5ms for a 10V step at any load.

Note that the total response time to a GPIB command is the sum of the interface and output response times.
GPIB Implementation (conforms to IEEE-488.1 and IEEE-488.2)

Multiline commands:

DCL, LLO, SDC, GTL, UNT, UNL, SPE, SPD, PPU,PPC

Interface functions:

SH1, AH1, T6, L4, SR1, RL1, PP1, DC1, DT0, C0, E2

Programmable params.:

Set volts, set current, set OVP, set output on/off, set master on/off, set mode (series/parallel etc.), set meter damping, store/recall instrument settings, read back set volts/set current/set OVP/output volts/output current, up/down load learn string, up/down load all stores, set SRQ response, configure parallel poll response, execute self-test.

SRQ modes:

Event registers and SRQ mask as defined by IEEE-488.2

SRQ available on:

Command error, execution error, time-out error, query error, OPC, change of output mode CV to Cl or Cl to CV, MAV, FAULT.

PP configurations:

ist, bit position and sense of response bit.

Power Requirements

Input voltage:

Internally set for 110V, 120V, 220V, 230V or 240V ±10%, user resettable.

Power consumption:

300VA max.

Environmental & Safety

Electrical safety:

Complies with EN61010-1

EMC:

Complies with EN50081-1 and EN50082-1

Operating range:

5oC to 40oC, 20% to 80% RH. Thermal trips for each output to protect against over temperature.

Storage range:

-20oC to +60oC.

Mechanical Details

Size:

210mm x 129 mm x 380mm (W x H x D)

Weight:

11 kg.
 Thurlby Thandar Instruments Ltd. operates a policy of continuous development and reserves the right to alter specifications 
  without prior notice.

Thurlby Thandar Instruments Limited
Glebe Road, Huntingdon, Cambridgeshire PE29 7DR United Kingdom
Tel: +44 1480 412451  Fax: +44 1480 450409  Web: www.tti-test.com  Email: sales@tti-test.com