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PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT
VI-700 IM/Rev K2
© Copyright- 2005 IET Labs, Inc.
IET LABS, Inc.
Long Island, NY • Email: info@ietlabs.com
Operation Manual
MODEL VI-700
Precision
Manual or Programmable
Voltage and Current Source
TEL: (516) 334-5959 • (800) 899-8438 • FAX: (516) 334-5988
♦
www.ietlabs.com
VIIM-700/cover.p65
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Table of Contents
Summary of Contents for IET Labs VI-700
- Page 1 MODEL VI-700 Precision Manual or Programmable Voltage and Current Source VI-700 IM/Rev K2 © Copyright- 2005 IET Labs, Inc. IET LABS, Inc. www.ietlabs.com Long Island, NY • Email: info@ietlabs.com TEL: (516) 334-5959 • (800) 899-8438 • FAX: (516) 334-5988 VIIM-700/cover.p65...
- Page 2 ♦ ♦ PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT IET LABS, Inc. www.ietlabs.com TEL: (516) 334-5959 • (800) 899-8438 • FAX: (516) 334-5988 Long Island, NY • Email: info@ietlabs.com VIIM-700/cover.p65...
- Page 3 WARRANTY We warrant that this product is free from defects in material and workmanship and, when properly used, will perform in accordance with applicable IET specifications. If within one year after original shipment, it is found not to meet this standard, it will be repaired or, at the option of IET, replaced at no charge when returned to IET. Changes in this product not approved by IET or application of voltages or currents greater than those allowed by the specifications shall void this warranty.
- Page 4 WARNING OBSERVE ALL SAFETY RULES WHEN WORKING WITH HIGH VOLTAGES OR LINE VOLTAGES. Dangerous voltages may be present inside this instrument. Do not open the case Refer servicing to qulified personnel HIGH VOLTAGES MAY BE PRESENT AT THE TERMINALS OF THIS INSTRUMENT WHENEVER HAZARDOUS VOLTAGES (>...
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Page 5: Table Of Contents
Contents Chapter 1: INTRODUCTION ................1 Chapter 2 : SPECIFICATIONS ..............2 2.1 Voltage - Standard ......................2 2.2 HP - High Power Option - 200 mA Load Current Capacity ......... 2 2.3 HV - High Voltage Option - 200 V Output ..............2 2.4 Current -Standard ...................... - Page 6 7.3.2 HV (X10) Output - Optional ................14 Figures Figure 1.1: VI-700 Manual or Programmable Voltage and Current Source ......1 Figure 2.1: Typical OPERATING GUIDE Affixed to Unit ............3 Figure 5.1: Layout for VI-700 Printed Circuit Board ............. 14 Figure 7.1: Layout for VI-700 Printed Circuit Board .............
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Page 7: Chapter 1: Introduction
(5 mΩ, typical), low noise and ripple, and 200 mA 100 µV resolution; and 20 mA full scale down to 0.1 load current capability suit the VI-700 to a variety of mA resolution. Both voltage and current outputs are applications, such as simulation, calibration, A/D and available simultaneously. -
Page 8: Chapter 2 : Specifications
VI-700 V&l Source Chapter 2 SPECIFICATIONS For convenience to the user, the pertinent specifica- Since significant current may be drawn from this unit, tions are given in an OPERATING GUIDE, it is advisable to leave the mA terminals open. The shown in Figure 2. -
Page 9: Hi - High Current Option - 200 Ma Output
VOLTAGE terminal. 105-125 V, 50-60 Hz; 5 W. POWER 0.25 A FUSE MODEL: VI-700 SN: J1-0540317 IET LABS, INC. 534 Main Street, Westbury, NY 11590 • (800) 899-8438 • (516) 334-5959 www.ietlabs.com CAGE CODE: 62015 VILBL/p2/VI-700Rev J3/90-100%12-04 Figure 2.1: Typical OPERATING GUIDE Affixed to Unit... -
Page 10: General
VI-700 V&l Source Recommended Calibration Interval: 2.7 General 12 months. Dimensions: 7.1 cm W x 22.9 cm D x 12.6 cm H Digital Input: (8.5"x9.0"x2.8") 3-1/2 digit parallel BCD or IEEE-488 inter- with IEEE-488 option: face; a front panel pushbutton selects RE-... -
Page 11: Chapter 3 : Operation
Level” below. 3.2.1 AC Line Operation 3.3.2 Remote Operation, Optional For a line powered unit, connect the VI-700 to a sounded power outlet. Operation at either 110 or 220 The VI-700 provides convenient optional remote con- Vac is possible by selecting internal straps. Press the trol operation through a choice of optional IEEE-488 PWR switch which is push-on push-release button;... -
Page 12: Bcd Control
VI-700 V&l Source IMPORTANT: not assert control, the front panel thumbwheel output The VI-700 must be allowed value is supplied. The REMOTE and LOCAL LEDs to warm up for 15 minutes to reach specified accu- always indicate which interface is controlling theoutput racy. -
Page 13: Overload Indicators
If sensing at the load is desired to virtually eliminate by the total output capability of the instrument. this lead drop, consult IET Labs for instructions on There is a small amount of hysteresis built into the implementing this technique. -
Page 14: Hi - High Current Option - 200 Ma Output (Optional)
VI-700 V&l Source 700 to the X10 Range, and either toggle the 200 mA 3.9 HI - High Current Option - 200 mA toggle switch or depress the 200 mA OUTPUT but- ton switch to 200 mA. The effective current multi- Output (optional) plier becomes X100. -
Page 15: Chapter 4 : Ieee Interface Option
SWITCH Decimal SWITCH Address SETTINGS Address SETTINGS 5-4-3-2-1 5-4-3-2-1 The IEEE interface option makes the VI-700 an IEEE- 0-0-0-0-0 1-0-0-0-0 488.2-1987 and SCPI 1994.0 compatible instrument. 0-0-0-0-1 1-0-0-0-1 0-0-0-1-0 1-0-0-1-0 The IEEE STD 488.2 covers the electrical and me- 0-0-0-1-1... -
Page 16: Gpib Test Keyboard
4.5 GPIB Test Keyboard Enter and set the Address to the VI-700 address. To aid the user in operating the VI-700, a GPIB “Key- Use the window to send a command string to the board” Controller program - the easiest way to con-... -
Page 17: Chapter 5 : Serial Interface Option
1 or 2 Echo-back RS232 Message Parity None Odd, Even, None Mode Prompt Terminator CR LF > CR LF >LF Connection of a PC to the VI-700 SERIAL option is typically made through a simple null-modem or “LapLink” cable. SERIAL INTERFACE... -
Page 18: Serial Test Keyboard
5.5 Serial Test Keyboard Unzip the file and follow instructions to install. To aid the user in operating the VI-700, a Serial “Key- Open the application. Initialize the COM PORT and board” Controller program - the easiest way to con-... -
Page 19: Chapter 6: Programming
Appendix A. revision of the instrument. Command String Structure The Model section of the *IDN string of the VI-700 has been encoded to provide information about the Output is controlled in the form of a single SCPI com- characteristics of the specific instrument being used. -
Page 20: Chapter 7: Calibration
Calibration Steps Equipment Required Turn on the VI-700 and allow it to stabilize for one 1. Precision digital dc voltmeter, 4-1/2 digit, hour. with 0.2 V, 2 V, and 20 V full scale ranges, accurate to better than 0.01%. -
Page 21: Figure 7.1: Layout For Vi-700 Printed Circuit Board
VI-700 V&l Source Figure 7.1: Layout for VI-700 Printed Circuit Board SERIAL INTERFACE... - Page 22 2. Set the VI-700 to 0.000 on the X0.1 range. 1. Set the front panel to 1.999 on the X10 range. 3. Adjust trimmer 1-T6 to obtain a current 2.
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Page 23: Scpi Command Reference
VI-700 V&l Source Appendix A SCPI COMMAND REFERENCE SCPI builds on the programming syntax of IEEE-488.2 SCPI is an acronym for “Standard Commands for to give the programmer the capability of handling a Programmable Instruments”. For additional informa- wide variety of instrument functions in a common tion or an on-line copy of this standard, see: manner. - Page 24 VI-700 V&l Source Notes & Short Keyword Parameter Form Form Commands SYSTem System Address :COMMunicate :GPIB IEEE option only :MODE SINGle | DUAL | SECondary :SERial SERIAL option only :EXTernal 0|1 or OFF|ON [0] :BAUD <numeric value> [9600] :PARity EVEN | ODD | [NONE]...
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Page 25: Ieee-488.2 Common Commands
*ESR? Event Status VI-700 returns the <value> of the "Event Status Register" and Register Query then clears it. <value> is an integer whose binary equivalent corresponds to the state (1 or 0) of bits in the register.