Astronics Trig-Tek 346B User Manual Download Page 1

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Summary of Contents for Trig-Tek 346B

Page 1: ...uy your excess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing R...

Page 2: ...8 949 859 8999 Fax 949 859 7139 atsinfo astronics com atssales astronics com atshelpdesk astronics com http www astronicstestsystems com Copyright 2011 by Astronics Test Systems Inc Printed in the Uni...

Page 3: ...tion s of any product or part without Astronics Test Systems express written consent or misuse of any product or part The warranty also does not apply to fuses software non rechargeable batteries dama...

Page 4: ...y procurement of products from Astronics Test Systems TRADEMARKS AND SERVICE MARKS All trademarks and service marks used in this document are the property of their respective owners Racal Instruments...

Page 5: ...n cord or a three prong two prong adapter This will defeat the protective feature of the third conductor in the power cord Maintenance and calibration procedures sometimes call for operation of the un...

Page 6: ...2 1 Operation 2 1 Programming Functions 2 1 Operation 2 2 Grounds 2 2 Frequency Set Up 2 3 Level Set Up 2 4 Units and Modes 2 4 Programmable Files 2 4 Segment Programming 2 4 Remote 2 5 Save File 2 6...

Page 7: ...ii Astronics Test Systems Chapter 4 4 1 Calibration Procedure 4 1 Test Equipment 4 1 Procedure 4 1 PC Output 4 2 Distortion 4 3 Chapter 5 5 1 Trouble Shooting 5 1 Power Supply 5 1 Front Panel Keypad...

Page 8: ...Systems iii List of Figures Figure 1 1 346B Synthesized Calibrator 1 1 Figure 2 1 Front Panel Keypad 2 2 Figure 2 2 Rear Panel Terminal Strip and BNCs 2 3 Figure 2 3 346B Layout 2 15 Figure 4 1 115 2...

Page 9: ...346B User Manual Publication No 980956 Rev A iv Astronics Test Systems List of Tables Table 3 1 Programming Functions 2 1...

Page 10: ...Publication No 980956 Rev A 346B User Manual Astronics Test Systems v DOCUMENT CHANGE HISTORY Revision Date Description of Change A 05 18 2011 Document Control release...

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Page 12: ...remote bus Frequency accuracy is 2 parts in 100 000 and the level accuracy is 0 5 of set level 0 2 of full scale Figure 1 1 346B Synthesized Calibrator The unit has non volatile memory capacity to hol...

Page 13: ...req Range 0 1 Hz 99999 9 Hz Distortion 5 Hz to 10 000 Hz 5 Hz to 5000 Hz 0 25 5000 to 10 000 Hz 0 5 10 000 to 99999 9 Hz 1 Accuracy Freq Set 20 ppm 0 to 70 C Level Set Accuracy 0 5 of settings 0 2 FS...

Page 14: ...DC Output Millivolt plus minus Impedance Less than 10 ohms Level 9 999 99 99 999 9 or 9999 mV DC full scale Level Set Accuracy 0 5 of setting 0 2 FS Resolution 9999 mV Range 1 mV 999 9 mV Range 1 mV...

Page 15: ...Applies power to circuit when ON Keypad Frequency Selector Six digit selection by keypad for 0 1Hz resolution Level Selector Four digits 0 010 9999 settings of level Control Selects RMS Peak pk pk or...

Page 16: ...blication No 980956 Rev A 346B User Manual Astronics Test Systems Introduction 1 5 Dimensions 3 5 high 19 wide 13 deep Power Operates either 115 or 230 V RMS AC power 50 400 Hz at approximately 25 wat...

Page 17: ...346B User Manual Publication No 980956 Rev A Introduction 1 6 Astronics Test Systems This page was left intentionally blank...

Page 18: ...Publication No 980956 Rev A 346B User Manual Astronics Test Systems Operation 2 1 Chapter 2 Operation Programming Functions Table 3 1 Programming Functions...

Page 19: ...front panel keypad Figure 2 1 Turn the unit on by placing the power switch to ON position Figure 2 1 Front Panel Keypad Grounds There are two grounds on the terminal strip on the back panel of the uni...

Page 20: ...cimal point since the decimal point is always on the same location 0 1 Hz resolution For example to set the frequency for 250 0 Hz press the following keys After the key is pressed the PROG light will...

Page 21: ...re DC DC Sine Wave RMS Sine Wave Peak Sine Wave pk pk Square Wave pk pk and Triangular Wave pk pk Simply press MODE UNITS and step through the seven different options and observe the unit and mode LED...

Page 22: ...all of the 31 different segments have been programmed the operator can cause the 346B to step through each segment and dwell at each segment for the preset time duration This can be done either throu...

Page 23: ...ay it indicates a file with that file number already exists If you press it will replace the old file with the new file if you press another key it will not save the file To recall a file press and th...

Page 24: ...ts at a frequency ten times the desired linear sweep rate The UP DN terminal when at low level 0 Volt causes the frequency to sweep down and when at 5 Volt to sweep up The SWEEP UP can be activated by...

Page 25: ...equence ST2 Start the stepping sequence ST3 Start Sweep Up ST4 Start Sweep Down ST5 Stop the Sweep SA SG xx Save under segment number xx 01 to 31 RC SG xx Recall Segment xx 01 to 31 SA FI xx Save unde...

Page 26: ...Speed 4800 bps Position 2 ON Even parity 7 character 1 stop bit OFF Odd parity 7 character 1 stop bit Position 3 ON Echo ON OFF Echo OFF Position 4 Not Used S2 Switch Not Used Input strings received...

Page 27: ...C SG 20 This will bring up the parameters on segment number 20 To save all 31 segments under a file number use the command SA FI 55 This will save all the segments under File number 55 To recall a fil...

Page 28: ...tus of more than one segment is needed just list them continuously one after the other For example to receive status of segments 4 12 and 21 use the command OT SG04 SG 12 SG21 The received information...

Page 29: ...T1 Start the sweeping sequence ST2 Stop the sweep sequence ST3 Start Sweep Up ST4 Start Sweep Down ST5 Stop the Sweep SA SG xx Save under segment number xx 01 to 31 RC SG xx Recall Segment xx 01 to 31...

Page 30: ...ample to set the frequency for 500 6 Hz Level for 20 8 millivolts rms sinewave Mode 2 and dwell time of 5 seconds use the following commands FR 500 6 LE20 8 MD 2 T 5 Once all the parameters for a segm...

Page 31: ...ffer The received information would look like the following FR 02000 0 LE 10 00 MD 2 This indicates a sinewave of 2000 0 Hz at 10 00 millivolts RMS To receive status on Segment 8 use the following com...

Page 32: ...ed spacers on component side of PC Board near transformers Retain hardware Refer to Figure 2 3 3 Slide Interface Board Assembly TT 3869 into connector shell on rear panel Engage PI P2 headers into Hi...

Page 33: ...346B User Manual Publication No 980956 Rev A Operation 2 16 Astronics Test Systems This page was left intentionally blank...

Page 34: ...ed 1 Digital Multimeter Fluke 45 or equivalent True RMS 2 Frequency Counter Leader LCD 822 or equivalent 3 Oscilloscope Tektronix 922 4 Distortion Analyzer Hewlett Packard 334A Test Set Up A program f...

Page 35: ...n the AC voltmeter 11 Select segment 7 Observe SIN RMS 99 999 9 Hz 9999 mV with an indication of 99 999 9 2 0 Hz on the frequency counter and 9999 120 mV rms indication on the AC voltmeter 12 Select s...

Page 36: ...Hz 25 max 50 kHz 5 max 100 kHz 1 0 max File 99 Performance Test Program SEGMENT FREQUENCY MODE LEVEL UNITS TIME NOTES 01 00346 2 SIN XXX 0 RMS 5 IS SEG XXX IS THE SERTIAL NO 2 DC 9999 DC 5 SEG 2 5 SEG...

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Page 38: ...cover removed Test Equipment Note Equivalent equipment can be substituted Digital Multimeter Keithley 191 Voltage to Charge Converter Trig Tek 2030 Charge Amplifier Trig Tek 203M Distortion Analyzer H...

Page 39: ...om the mV OUTPUT This procedure provides a means of checking the pC OUTPUT The method used is to compare the voltage to picocoulomb converter at the pC OUTPUT with a known converter the 2030 Voltage t...

Page 40: ...on on the charge amplifier should be between 995 and 1005 for each output front and rear panel Distortion 1 Connect the Distortion analyzer input to the calibrator mV OUTPUT 2 Select the SIN RMS mode...

Page 41: ...346B User Manual Publication No 980956 Rev A Calibration Procedure 4 4 Astronics Test Systems This page was left intentionally blank...

Page 42: ...r Supply The Power Supply Section of the unit is located on the right side of the mother board The transformer marked T1 provides the 18 and 18 Volts and transformer T2 provides the 5 and 5 Volts Chec...

Page 43: ...sed each of the 6 digits should have a number in it 2 The problem could be with any of the 5 counters marked U21 U25 Replace one at a time to fix the problem 3 The problem could also be caused by the...

Page 44: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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