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Summary of Contents for Astronics Trig-Tek 346B
- Page 1 sales@artisantg.com artisantg.com (217) 352-9330 | Visit our website - Click HERE...
- Page 2 Tel: (800) 722-2528, (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 United States of America. All rights reserved. This book or parts thereof may not be reproduced in any form without written permission of the publisher.
- Page 3 This warranty does not apply to defects resulting from any modification(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, damage from battery leakage, or problems arising from normal wear, such as mechanical relay life, or failure to follow instructions.
- Page 4 This document and the technical data herein disclosed, are proprietary to Astronics Test Systems, and shall not, without express written permission of Astronics Test Systems, be used in whole or in part to solicit quotations from a competitive source or used for manufacture by anyone other than Astronics Test Systems.
- Page 5 FOR YOUR SAFETY Before undertaking any troubleshooting, maintenance or exploratory procedure, read carefully the WARNINGS and CAUTION notices. This equipment contains voltage hazardous to human life and safety, and is capable of inflicting personal injury. If this instrument is to be powered the AC line (mains) through an autotransformer, ensure the common connector is connected to the neutral (earth pole) of the power supply.
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Page 6: Table Of Contents
Installing IEEE Interface Board Assembly TT-3869 ..............2-15 Chapter 3 ......................... 3-1 Performance Test Procedure ..................3-1 General ............................3-1 Test Equipment ..........................3-1 Test Set Up ............................ 3-1 Test Procedures ..........................3-2 File: 99-Performance Test Program ..................3-3 Astronics Test Systems... - Page 7 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 ........................5-1 Save & Recall ..........................5-2 Frequency ............................5-2 Level ..............................5-2 Astronics Test Systems...
- Page 8 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, 115-230 VAC Switch S1 ....................4-1 Figure 4-2, Adjustment Resistor R2 ....................4-2 Astronics Test Systems...
- Page 9 346B User Manual Publication No. 980956 Rev. A List of Tables Table 3-1, Programming Functions ....................2-1 Astronics Test Systems...
- Page 10 Publication No. 980956 Rev. A 346B User Manual DOCUMENT CHANGE HISTORY Revision Date Description of Change 05/18/2011 Document Control release Astronics Test Systems...
- Page 11 346B User Manual Publication No. 980956 Rev. A This page was left intentionally blank. Astronics Test Systems...
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Page 12: Chapter 1
3.5” high, 19” wide, and 13” deep. The MILLIVOLT output is converted to picocoulomb at the PICOCOULOMB output. The frequency is the same; the picocoulomb level is the same as the millivolts ±0.3%. Astronics Test Systems Introduction 1-1... -
Page 13: Specifications
9.999, 99.99, 999.9 or 9999 mV FS pk-pk Level units 2% of settings ±0.3% FS 0.1 Hz to Level Set Accuracy 100 kHz Waveform: Square Wave Rise/fall time (10%-90%) Less than 1.2 µsec Asymmetry (@ 10 kHz) Less than 1% Introduction 1-2 Astronics Test Systems... -
Page 14: Dc Output Millivolt (Plus/Minus)
99.99 mV Range .01 mV 9.999 mV Range .001 mV Square Wave Output Impedance Less than 1k ohm (5 mA max) Waveform Square wave. Level 0 to 4 V ±1 Volt. Rise/Fall Time Less than 1.0 µsec Astronics Test Systems Introduction 1-3... -
Page 15: Sweep Input
Displays (2) 6 digit LED display (frequency) 4 digit LED display (amplitude) 5 LED's indicate (SEGMENT NUMBER) 4 LED's indicate (functions) 4 LED's indicate (units) 2 LED's indicate PROG (program) or REM (remote) Introduction 1-4 Astronics Test Systems... -
Page 16: Dimensions
Publication No. 980956 Rev. A 346B User Manual Dimensions 3.5" high 19" wide 13" deep Power Operates either 115 or 230 V RMS AC power 50-400 Hz, at approximately 25 watts. Astronics Test Systems Introduction 1-5... - Page 17 346B User Manual Publication No. 980956 Rev. A This page was left intentionally blank. Introduction 1-6 Astronics Test Systems...
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Page 18: Chapter 2
Publication No. 980956 Rev. A 346B User Manual Chapter 2 Operation Programming Functions Table 3-1, Programming Functions Astronics Test Systems Operation 2-1... -
Page 19: Operation
These two grounds are connected together on the terminal strip when it is shipped from the factory. Separate the grounds, if the chassis ground of this 346B is not the same as the unit being tested. Operation 2-2 Astronics Test Systems... -
Page 20: Frequency Set Up
In order to increase or decrease the frequency by the press the key and then the keys. This will increase and decrease the Frequency setting of the unit. Astronics Test Systems Operation 2-3... -
Page 21: Level Set Up
(note the mode and unit selected at the time will be stored). In order to move to a different segment press the key and the segment number. For example, to select segment 2, press the following keys: Operation 2-4 Astronics Test Systems... -
Page 22: Remote
+5 Volts to the RESET terminal, it will move to the first segment on the program. Therefore, if the test needs to start at segment one, first apply the +5 Volts to RESET, then remove it and apply the +5 Volts to the ST/ST terminal. Astronics Test Systems Operation 2-5... -
Page 23: Save/File
For example, if you have File 22 which you don't need anymore, simply save the next file under the File 22. This would copy a new file in place of the old file which is no longer needed. Operation 2-6 Astronics Test Systems... -
Page 24: Sweep Input And Sweep Up-Dn
(There must be an input signal at the Sweep input jack on the rear panel). Press the key and it will sweep down. The keys are used to change the sweep direction. Press and it stops the sweep. Astronics Test Systems Operation 2-7... -
Page 25: Rs 232 Bus Remote Operation
OT SG xx Output Segment XX (01 to 31) status OT FI Output all the existing File numbers NOTE: All commands must be entered in capital letters, and there must be one space between each command. Operation 2-8 Astronics Test Systems... - Page 26 OFF at the time of shipping factory. Therefore a communication port can be set up as: OPEN”COM1:9600=,E,7,E,,CS,DS,CD” AS #1 which is COM1 at 9600 baud rate, even parity, 7 character, 1 stop bit, disregard clear to send, data set ready, and carrier detect. Astronics Test Systems Operation 2-9...
- Page 27 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 command: "OT SG 08" Operation 2-10 Astronics Test Systems...
- Page 28 To check the existing file numbers in the unit, use the following command: "OT FI" The output would look like the following: "05 files 08 42 55 66 12" which means there are 5 files in the unit, with file numbers 08, 42, 55, 66, and 12. Astronics Test Systems Operation 2-11...
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Page 29: Ieee 488 Remote Operation
OT SG xx Output Segment xx (01 to 31) status OT FI Output all the existing File numbers NOTE: All commands must be entered in capital letters, and there must be one space between each command. Operation 2-12 Astronics Test Systems... - Page 30 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 file, use the command: "RC FI 60" Astronics Test Systems Operation 2-13...
- Page 31 To check the existing file numbers in the unit, use the following command: "OT FI" The output would look like the following: "05 files 08 42 55 66 12" which means there are 5 files in the unit, with file numbers 08, 42, 55,66, and 12. Operation 2-14 Astronics Test Systems...
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Page 32: Installing Ieee Interface Board Assembly Tt-3869
Push firmly into place after insuring: all pins are engaged. Install screws, lockwashers removed in Step 2 above to hold board assembly. Re-install top and bottom covers using hardware removed in Step 1 above. Figure 2-3, 346B Layout Astronics Test Systems Operation 2-15... - Page 33 346B User Manual Publication No. 980956 Rev. A This page was left intentionally blank. Operation 2-16 Astronics Test Systems...
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Page 34: Chapter 3
The test provides a method to test the 346B Synthesized Calibrator for compliance to the manufacturer's specifications. The unit is designed with integrated circuitry and very stable parts. Astronics Test Systems recommends calibration on a one year schedule. Test Equipment Note: Equivalent test equipment may be substituted. -
Page 35: Test Procedures
18. Select segment #6 and observe a clean sine wave with no distortion. 19. Press START/STOP and observe the waveforms as they appear. The intervals are set for 5 seconds and will stop at segment #12. Performance Test Procedure 3-2 Astronics Test Systems... -
Page 36: File: 99-Performance Test Program
LEVEL -999.9 CHECKS 99.99 9.999 FREQ 00100.0 9999 RESPONSE CHECKS 99999.9 9999 10,000.0 9999 MODE 1000.0 9999 PEAK UNITS CHECKS 1000.0 9999 PK-PK PK-PK 1000.0 9999 (AVG) PK-PK 1000.0 3464 (AVG) 00346.2 3464 Astronics Test Systems Performance Test Procedure 3-3... - Page 37 346B User Manual Publication No. 980956 Rev. A This page was left intentionally blank. Performance Test Procedure 3-4 Astronics Test Systems...
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Page 38: Chapter 4
Before turning on the unit, check the 115-230 VAC switch S1, Figure 4-1, near the transformer for proper setting to accommodate the power to be used. Connect the power cord to AC power and place the ON-OFF switch to ON. Figure 4-1, 115-230 VAC Switch S1 Astronics Test Systems Calibration Procedure 4-1... -
Page 39: Pc Output
4. Select the SIN PK mode. Set the frequency for 500 Hz and the level for 9999 millivolts. 5. Use the sensitivity controls to set the meter for an indication of the charge amplifier for exactly 1000 g's. Calibration Procedure 4-2 Astronics Test Systems... -
Page 40: Distortion
3. Check for less than 0.25% distortion at 10, 50, 100, 500, 1000, 5000, and 10000 Hz. 4. Check for less than 0.5% distortion at 20 k, 50 k, 70 k, and 100 kHz. 5. Disconnect all test equipment. 6. Replace the top cover (5 screws). Astronics Test Systems Calibration Procedure 4-3... - Page 41 346B User Manual Publication No. 980956 Rev. A This page was left intentionally blank. Calibration Procedure 4-4 Astronics Test Systems...
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Page 42: Chapter 5
1. Check the blue connector from the front panel key pad to the display driver board. (Be sure it is plugged in completely). 2. The probable problem is the keyboard encoder. U3 on the display driver board. (Replace the part). Astronics Test Systems Trouble Shooting 5-1... -
Page 43: Save & Recall
1. Make sure the ENTER key has been pressed and each of the 4 digits should have a number in it. 2. The unit may require calibration (Refer to Chapter 4, Calibration). 3. The D/A Converter could be bad. Replace U47 on the main board. Trouble Shooting 5-2 Astronics Test Systems...
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