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Keysight E1458A 96-Channel Digital I/O Module Service Guide

43

Troubleshooting

Service

Figure 4-1

Disassembly

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Summary of Contents for E1458A

Page 1: ...Keysight E1458A 96 Channel Digital IO Module Service Manual 75000 Series C ...

Page 2: ......

Page 3: ... KEYSIGHT DISCLAIMS ALL WAR RANTIES EITHER EXPRESS OR IMPLIED WITH REGARD TO THIS MANUAL AND ANY INFORMATION CONTAINED HEREIN INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MER CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE KEYSIGHT SHALL NOT BE LIABLE FOR ERRORS OR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH THE FURNISHING USE OR PERFORMANCE OF THIS DOCUMENT OR OF ANY IN...

Page 4: ...T perform proce dures involving cover or shield removal unless you are qualified to do so DO NOT operate damaged equipment Whenever it is possible that the safety protection features built into this prod uct have been impaired either through physical damage excessive moisture or any other reason REMOVE POWER and do not use the product until safe operation can be verified by service trained personn...

Page 5: ...ly understood and met A WARNING denotes a hazard It calls attention to an operating pro cedure or practice that if not cor rectly performed or adhered to could result in personal injury or death Do not proceed beyond a WARNING notice until the indi cated conditions are fully under stood and met Products display the following sym bols Warning risk of electric shock Refer to manual for addi tional s...

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Page 7: ...ule Serial Numbers 18 Recommended Test Equipment 19 2 Verification Tests Introduction 21 Test Conditions Procedures 21 Performance Test Record 22 Verification Test Examples 22 Functional Verification Test 24 Procedure 24 Example 24 Operation Verification Test 25 Performance Verification Tests 25 Test 2 1 Digital I O Module Test 25 Digital Test 25 Example Digital Test 27 Typical Result 31 Performan...

Page 8: ...9 Equipment Required 39 Service Aids 39 Troubleshooting 40 Identifying the Problem 40 Testing the Assembly 40 Checking for Heat Damage 41 Checking Switches Jumpers 41 Checking the Keysight E1458A PCA 41 Self test Error Codes 41 Procedure 42 Example 42 Disassembly 42 Keysight E1458A Disassembly 42 Replacing F101 44 Repair Maintenance Guidelines 45 ESD Precautions 45 Post Repair Safety Checks 45 ...

Page 9: ...odule Service Guide 11 1 General Information Introduction This manual contains information required to test troubleshoot and repair the Keysight E1458A 96 Channel Digital I O module see Figure 1 1 Figure 1 1 Keysight E1458A Digital I O Module ...

Page 10: ...ersonal injury or damage to the instrument do not perform procedures in this manual or do any servicing unless you are qualified to do so CHECK MAINFRAME POWER SETTINGS Before applying power verify that the mainframe setting matches the line voltage and that the correct fuse is installed An uninterruptible safety earth ground must be provided from the main power source to the supplied power cord s...

Page 11: ...fore you remove any installed module disconnect AC power from the mainframe and from other modules that may be connected to the Module or expander CHANNEL WIRING INSULATION All channels that have a common connection must be insulated so that the user is protected from electrical shock This means wiring for all channels must be insulated as though each channel carries the voltage of the highest vol...

Page 12: ...ing inspection and shipping guidelines for the module Initial Inspection Use the steps in Figure 1 2 as guidelines to perform initial inspection of one of the modules Verification Tests are optional To avoid possible hazardous electrical shock do not perform electrical tests if there are signs of shipping damage to the shipping container or to the instrument ...

Page 13: ...Keysight E1458A 96 Channel Digital I O Module Service Guide 15 Inspection Shipping General Information Figure 1 2 Initial Incoming Inspection Guidelines ...

Page 14: ...ormation Inspection Shipping Shipping Guidelines Follow the steps in Figure 1 3 to return a module to a Keysight Technologies Sales and Support Office or Service Center Figure 1 3 Packaging Shipping Guidelines Keysight Technologies Keysight Technologies Keysight Technologies ...

Page 15: ...pt Status registers Figure 1 1 shows the locations of the ports and a simplified diagram of a single port Of the seven control lines three I O CTL and FLG are used with SCPI Standard Commands for Programmable Instrumentation commands three RES STS and PIR are controlled through register access and one UTS can be used to force all data lines into a three state mode Each port has two hardware config...

Page 16: ... serial number prefix identifies a series of identical instruments The serial number suffix is assigned sequentially to each instrument The serial number plate is located on the right hand shield near the backplane Table 1 1 Data Lines 8 bit BYTE operations Port 0 1 2 3 4 5 6 7 8 9 10 11 Bit Numbers 7 0 7 0 7 0 7 0 7 0 7 0 7 0 7 0 7 0 7 0 7 0 7 0 16 bit WORD operations Port 0 2 4 6 8 10 Bit Number...

Page 17: ...e1 Controller GPIB GPIB compatibility as defined by IEEE Standard 488 1988 and the identical ANSI Standard MC1 1 SH1 AH1 T2 TE0 L2 LE0 SR0 RL0 PP0 DC0 DT0 and C1 2 3 4 5 HP 9000 Series 300 F O P T Mainframe Compatible with Module E1400B T or E1401A T F O P T Command Module Compatible with Module Resource manager in Slot 0 Logical address 0 Typical GPIB address 9 Requires the downloaded driver DIG_...

Page 18: ...20 Keysight E1458A 96 Channel Digital I O Module Service Guide General Information Recommended Test Equipment ...

Page 19: ... the specified test equipment The test procedures do not specify equipment settings for test equipment except in general terms It is assumed that a qualified service trained technician will select and connect the cables adapters and probes required for the test The tests in this chapter assume that the Keysight E1458A has the switch and jumper settings shown in Table 2 1 and Figure 2 1 Use the bla...

Page 20: ...formance Verification test may be recorded in Table 2 2 Performance Test Record at the end of this chapter You can make a copy of this form if desired Verification Test Examples Each verification test procedure includes an example program that performs the test All example programs assume the following configuration Figure 2 1 Switch Settings ...

Page 21: ...uide 23 Introduction Verification Tests HP 9000 Series 300 computer BASIC programming language Module address 70918 Keysight E1405B E1406A command module and Keysight E14XX mainframe A properly downloaded Digital I O SCPI driver in either FLASH ROM or DRAM ...

Page 22: ... that the module is properly installed in mainframe 2 Verify that the mainframe has passed its power on test 3 Send TST to the module see example following 4 The return should be as follows 0 Example An example follows which uses an HP 9000 Series 300 computer with BASIC and a module address of 70918 10 INTEGER A 20 OUTPUT 70918 TST Send the test command 30 ENTER 70918 A Get response 40 PRINT A 50...

Page 23: ...for direct read back of the data and control lines This test does not check output current specifications or the ability to correctly handshake This test is sufficient to determine that the module is operating within specifications This test is suitable for incoming inspection troubleshooting and preventive maintenance Test 2 1 Digital I O Module Test This test verifies that all ports meet the spe...

Page 24: ...urned bit is set to 0 Send SOUR DIG DATA0 LW96 BITm 1 Repeat this step for all bit numbers from 0 to 95 Enter a Pass or Fail in Table 2 2 6 Walk a 1 through all bits Send SOUR DIG DATA0 LW96 0 0 0 to set all bits to 0 Send SOUR DIG DATA0 LW96 BITm 1 to set a bit to 1 m is the bit number from 0 to 95 Send SOUR DIG DATA0 LW96 BITm MON and enter the returned number to read the state of bit m m is the...

Page 25: ...o set the port for input Send SOUR DIG IOn and enter the result n is the port number from 0 to 11 Verify the returned bit is set to 1 Enter a Pass or Fail in Table 2 2 10 Reset the module switches Remove power from the mainframe Remove the module from the mainframe Reset the switches and jumpers to the to the positions recorded in Table 2 1 Example Digital Test This example performs a bit walk tes...

Page 26: ...e Failed Self Test Test terminated 270 STOP 280 END IF 290 FOR I 0 TO 1 Fast test of the programming 300 OUTPUT Dio SOUR DIG DATA0 LW96 Pattern 1 I Pattern 2 I Pattern 3 I 310 OUTPUT Dio OPC Alternate 0 and 1 320 ENTER Dio Ready Wait for completion 330 OUTPUT Dio SOUR DIG DATA0 LW96 Readback of port programming 340 ENTER DIO Value 1 Value 2 Value 3 350 FOR J 1 TO 3 360 IF Val J Pattern J I THEN Po...

Page 27: ...ysight E1458A failed port data line test 680 ELSE 690 PRINT TABXY 1 2 Keysight E1458A passed port data line test 700 END IF 710 Errflg 0 Reset error flag 720 Bit Walk Test 730 OUTPUT Dio RST OPC Establish defaults 740 ENTER Dio Ready Wait for completion 750 FOR I 0 TO 1 I is bit logic level to walk 760 FOR J 0 TO 95 J is bit counter 770 IF I 0 THEN 780 OUTPUT Dio SOUR DIG DATA0 LW96 1 1 1 set all ...

Page 28: ... FOR J 0 to 11 J is port counter 1040 OUTPUT Dio MEAS DIG FLAG VAL J Check FLG line 1050 ENTER Dio Bits Should float to a logical 1 1060 IF Bits 0 THEN 1070 PRINT TAB 10 Keysight E1458A FLAG failure on port J 1080 Errflg 1 1090 END IF 1100 NEXT J 1110 FOR I 0 TO 1 1120 FOR J 0 TO 11 Check CTL line 1130 OUTPUT Dio SOUR DIG CONT VAL J VAL VAL I 1140 OUTPUT Dio SOUR DIG CONT VAL J VAL 1150 ENTER Dio ...

Page 29: ...NT TAB 10 Keysight E1458A I O line failure on port J 1370 Errflg 1 1380 END IF 1390 NEXT J 1400 IF Errflg 1 THEN 1410 PRINT TABXY 1 4 Keysight E1458A failed FLG CTL or I O line test 1420 ELSE 1430 PRINT TABXY 1 4 Keysight E1458A FLG CTL and I O line test 1440 END IF 1450 OUTPUT Dio RST OPC Clean up 1460 ENTER Dio Ready Wait for completion 1470 PRINT TABXY 1 5 Keysight E1458A Test complete 1480 END...

Page 30: ... TAR Test Accuracy Ratios TAR are not defined for pass fail measurements so all measurements show NA Not Applicable in the TAR column Table 2 2 Performance Test Record Page 1 of 2 General Information Test Facility Name _________________________ Report No ___________________________ Address ________________________ Date _________________________________ City State ______________________ Customer __...

Page 31: ...le Maximum Value Meas Uncert Test Acc Ratio TAR Test 2 1 Digital Test Programming Ability Test TST response NA Pass Fail NA NA NA Write Read port programming NA Pass Fail NA NA NA Data Line Test Write Read port data lines NA Pass Fail NA NA NA Bit Walk Test Write Read all bits NA Pass Fail NA NA NA FLG Line Test Read FLG all ports NA Pass Fail NA NA NA CTL Line Test Write Read CTL all ports NA Pas...

Page 32: ...34 Keysight E1458A 96 Channel Digital I O Module Service Guide Verification Tests Performance Test Record ...

Page 33: ...ignators for parts in Tables 3 1 and Table 3 2 shows the manufacturer code list for these parts To order a part listed in Table 3 1 specify the Keysight Technologies part number and the quantity required Send the order to your nearest Keysight Technologies Sales and Support Office A list of Sales and Support Offices is at the back of this manual Replaceable Parts List Table 3 1 lists mechanical re...

Page 34: ...aceable Fuse SUB MIN 4A 125V through hole replacement fuse see Chapter 4 Extraction handle kit bottom Extraction handle kit top Connector post type 100 pin spcg 128 contact Connector post type 100 pin spcg 16 contact Connector post type 100 pin spcg 16 contact RFI strip fingers tin plated Connector post type 2 54 pin spcg 96 contact Front panel Screw M2 5 X 0 45 11mm long pan head Screw M2 5 X 0 4...

Page 35: ...L panel SCR screw SHD shield SP switch Table 3 3 Keysight E1458A Code List of Manufacturers Mfr Code Manufacturer s Name Manufacturer s Address Zip Code 06776 09353 18873 28480 30817 75915 81073 83486 ROBINSON NUGENT INC C K COMPONENTS INC DUPONT E I DE NEMOURS CO KEYSIGHT TECHNOLOGIES INC INSTRUMENT SPECIALITIES CO INC LITTELFUSE INC GRAYHILL INC ELCO INDUSTRIES INC NEW ALBANY IN NEWTON MA WILMIN...

Page 36: ... Digital I O Module Service Guide Replaceable Parts Mechanical Parts Locator Mechanical Parts Locator Figure 3 1 shows the location of selected mechanical parts for the Keysight E1458A Digital I 0 module Figure 3 1 Mechanical Parts ...

Page 37: ...nt required for troubleshooting and repair is listed in Table 1 2 Recommended Test Equipment Any equipment that satisfies the requirements given in the table may be substituted To avoid damage to the screw head slots use a T8 Torx driver to remove the front panel handles and a T10 Torx driver to remove the shields Service Aids See Chapter 3 for descriptions and locations of Keysight E1458A mechani...

Page 38: ... errors Operator Errors Non zero error code in response to the SYST ERR command See Appendix C of the the Keysight E1458A User s Manual for errors and causes See Appendix B of the Keysight E1405 E1406 User s Manual for additional information on operator Catastrophic Failures Not responding to commands Failing Functional Verification Test Chapter 2 Check logical address setting Check GPIB cables an...

Page 39: ...al for procedures to set or check these switches jumpers Checking the Keysight E1458A PCA Check the following Verify that fuse F101 is good see the replacement procedure Check connectors P1 P2 J4A J4B J5A J5B for damage Perform Test 2 1 in Chapter 2 Replace the module if the test fails Self test Error Codes Table 4 3 shows the self test error codes for the module The meaning of each code is given ...

Page 40: ...ple follows which uses an HP 9000 Series 300 computer with BASIC and an multiplexer address of 70918 10 OUTPUT 70918 TST Send the self test command 20 ENTER 70918 AGet response 30 PRINT A 40 END Disassembly Use the following procedures and Figure 4 1 to disassemble the Keysight E1458A module Keysight E1458A Disassembly 1 To remove the covers Remove the seven T10 Torx screws from the top cover as s...

Page 41: ...Keysight E1458A 96 Channel Digital I O Module Service Guide 43 Troubleshooting Service Figure 4 1 Disassembly ...

Page 42: ...direct replacement is not recommended A through hole fuse Keysight Part Number 2110 0712 can be used to repair F101 Through hole mounting pads are provided on the PC board and are labeled F102 Standard soldering equipment can be used to install this fuse The location of the through hole pads is shown in Figure 4 2 Figure 4 2 Replacing F101 ...

Page 43: ...ice up one pair of pins at a time After you remove a MOS or CMOS device from a module place the device onto a pad of conductive foam or other suitable holding material If a device requires soldering be sure the assembly is placed on a pad of conductive material Also be sure that you the pad and the soldering iron tip are grounded to the assembly Post Repair Safety Checks After making repairs to th...

Page 44: ...46 Keysight E1458A 96 Channel Digital I O Module Service Guide Service Repair Maintenance Guidelines ...

Page 45: ......

Page 46: ...This information is subject to change without notice Keysight Technologies 1994 2019 Printed in Malaysia Edition 2 October 2019 E1458 90010 E1458 90010 www keysight com ...

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