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Avtech AVMH-1A-C, Instructions Manual, Page: 4 / 29

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Avtech AVMH-1A-C Instructions Manual Download Page 4

PREVENTING DAMAGE................................................................................................20
OPTIONS.........................................................................................................................21

-OS OPTION..........................................................................................................................21

-M OPTION............................................................................................................................21

MECHANICAL INFORMATION......................................................................................22

TOP COVER REMOVAL.......................................................................................................22

ELECTROMAGNETIC INTERFERENCE..............................................................................22

MAINTENANCE..............................................................................................................23

REGULAR MAINTENANCE...................................................................................................23

CLEANING............................................................................................................................ 23

WIRING DIAGRAMS.......................................................................................................24

WIRING OF AC POWER.......................................................................................................24

PCB 158P - LOW VOLTAGE POWER SUPPLY, 1/3.............................................................25

PCB 158P - LOW VOLTAGE POWER SUPPLY, 2/3.............................................................26

PCB 158P - LOW VOLTAGE POWER SUPPLY, 3/3.............................................................27

MAIN WIRING........................................................................................................................ 28

PERFORMANCE CHECK SHEET.................................................................................29

Manual Reference: /fileserver2/officefiles/instructword/avmh/AVMH-1A-C,ed1.odt.

Last modified May 22, 2015.

Copyright © 2015 Avtech Electrosystems Ltd, All Rights Reserved.

4

Summary of Contents for AVMH-1A-C

Page 1: ...O S Y S T E M S L T D N A N O S E C O N D W A V E F O R M E L E C T R O N I C S S I N C E 1 9 7 5 P O BOX 265 OGDENSBURG NY U S A 13669 0265 TEL 888 670 8729 USA Canada or 1 613 686 6675 Intl FAX 800...

Page 2: ...ace said defective item This warranty does not apply to units which have been dissembled modified or subjected to conditions exceeding the applicable specifications or ratings This warranty is the ext...

Page 3: ...LLATION 10 VISUAL CHECK 10 POWER RATINGS 10 CONNECTION TO THE POWER SUPPLY 10 PROTECTION FROM ELECTRIC SHOCK 11 ENVIRONMENTAL CONDITIONS 12 FUSES 13 AC FUSE REPLACEMENT 13 DC FUSE REPLACEMENT 14 FUSE...

Page 4: ...ING 23 WIRING DIAGRAMS 24 WIRING OF AC POWER 24 PCB 158P LOW VOLTAGE POWER SUPPLY 1 3 25 PCB 158P LOW VOLTAGE POWER SUPPLY 2 3 26 PCB 158P LOW VOLTAGE POWER SUPPLY 3 3 27 MAIN WIRING 28 PERFORMANCE CH...

Page 5: ...ing transformer that can be installed on the output to generate a negative signal Instruments with the N PN suffix generate up to 10V at the main output and are supplied with an inverting transformer...

Page 6: ...x 375 mm 3 9 x 8 5 x 14 8 Chassis material Anodized aluminum with gray plastic trim Temperature range 5 C to 40 C 1 C suffix indicates stand alone lab instrument with internal clock and line powering...

Page 7: ...g Also check that your load is adequately shielded It may be necessary to enclose the load in a metal enclosure If any of the connectors on the instrument are unused they should be covered with shield...

Page 8: ...ies to Directive 2002 96 EC categories 1 7 and 10 as stated in the Article 2 Scope section of Directive 2002 95 EC DIRECTIVE 2002 96 EC WEEE European customers who have purchased this equipment direct...

Page 9: ...ura AAD130SD 60 A switching power supply According to the manufacturer the Tamura AAD130SD 60 A has the following certifications UL60950 1 IEC60950 1 CSA C22 2 No 60950 1 EN60950 1 and is compliant wi...

Page 10: ...NNECTION TO THE POWER SUPPLY An IEC 320 three pronged recessed male socket is provided on the back panel for AC power connection to the instrument One end of the detachable power cord that is supplied...

Page 11: ...ors are prevented access and or are insulated from every connection point In some cases connections must be exposed to potential human contact Operators must be trained to protect themselves from the...

Page 12: ...ndoor use 2 altitude up to 2 000 m 3 temperature 5 C to 40 C 4 maximum relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 relative humidity at 40 C 5 Mains supply voltage fluct...

Page 13: ...the fuses on the rear panel are shown in the figure below AC FUSE REPLACEMENT To physically access the AC fuses the power cord must be detached from the rear panel of the instrument The fuse drawer ma...

Page 14: ...Nominal Mains Voltage Rating Case Size Recommended Replacement Part Littelfuse Part Number Digi Key Stock Number 1 2 AC 100 240V 0 5A 250V Time Delay 5 20 mm 0218 500HXP F2416 ND 3 DC N A 1 0A 250V Ti...

Page 15: ...trument will attempt to re enable the output i e light green for about 1 second If the overload condition persists the output will be disabled again i e light yellow for another 5 seconds If the overl...

Page 16: ...red to trigger this input and the input impedance is 50 to ground or 1k for units with the Z1K option The input pulse width should be 10 ns 6 SYNC Output This output precedes the main output and is ty...

Page 17: ...tions of this manual for more information 4 OS INPUT CONNECTOR Present on units with OS option only A DC offset in the range of 50V 250 mA max may be applied to this solder terminal The DC offset will...

Page 18: ...the main output BASIC PULSE CONTROL This instrument can be triggered by its own internal clock or by an external TTL trigger signal When triggered internally two mainframe output channels respond to...

Page 19: ...hat can be installed on the mainframe output A negative pulse is then obtained at the out port of the AVX 2 module Instruments with the N PN suffix generate up to 10V at the main output and are suppli...

Page 20: ...ere L is the inductance ILOAD is the load current change and t is time For this reason it is important to keep any parasitic in the load low This means keeping wiring short and using low inductance co...

Page 21: ...offset must be added to the DC terminal of the inverting transformer Do not apply the offset to the rear panel offset terminal on the mainframe if present M OPTION This option provides a monitor outpu...

Page 22: ...contact Avtech info avtechpulse com to arrange for the instrument to be returned to the factory for repair Service is to be performed solely by qualified service personnel Caution High voltages are pr...

Page 23: ...es may require replacement All fuses can be accessed from the rear panel See the FUSES section for details CLEANING If desired the interior of the instrument may be cleaned using compressed air to dis...

Page 24: ...h a s s is g ro u n d p o s t G 1 G 2 B 1 R E D G 4 G 3 L N G X 2 C O R C O M 6 E G G 1 2 P O W E R E N T R Y M O D U L E 1 1 b 1 a 2 2 b 2 a X 1 P O W E R S W I T C H S W 3 2 5 N D C W IN D U S T R...

Page 25: ...O U T 1 1 5 V 1 2 J 7 6 4 0 4 5 6 2 X 8 6 3 2 1 4 S S S C R E W 0 6 0 4 M P P 1 8 8 X 9 6 3 2 1 4 S S S C R E W 0 6 0 4 M P P 1 8 8 X 1 3 6 3 2 S S E X T T O O T H W A S H E R 0 6 W E 1 8 8 X 1 4 6 3...

Page 26: ...2 2 u F L 4 7 7 A 1 0 1 M 0 1 C 5 4 7 u F 3 5 V 1 2 3 4 5 6 7 8 9 1 0 J 1 1 6 4 0 4 5 6 0 1 0 V 1 5 V R E G 1 5 V N S Y 1 5 V 5 V 5 V R E G 5 V N S Y G N D 2 4 V 2 4 V 1 5 V G N D 1 5 V 1 5 V 1 5 V C...

Page 27: ...5 0 1 u F 1 5 V X 3 6 3 2 M O U N T X 1 0 6 3 2 M O U N T 1 4 1 2 Q 1 C M P Q 2 2 2 2 D I S A B L E O L O W H E N C H A R G I N G S H O R T S O U T B A S E W H E N C H A R G I N G B U 1 5 V G N D 1 5...

Page 28: ...C CONN8 OUT CHS GND CC W CW W R2 TF 1K CC W CW W R5 DELAY 1K D OR ED UNITS ONLY A INT EX T IF ED IF NOT E D DC FA N FA N1 P9 768 ND CC W CW W R1 AMP 1K A INT EX T IF EA IF NOT E A CC W CW W R3 TR 1K C...

Page 29: ...PERFORMANCE CHECK SHEET 29...

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