Agilent 75000 SERIES C Agilent E1465A/E1466A/E1467A Matrix Switches Service Manual The information in this manual applies directly to: E1465A 16x16 Matrix Switches E1466A 4x64 Matrix Switches E1467A 8x32 Relay Matrix Switches Copyright© Agilent Technologies, Inc.
Contents Agilent E1465A/E1466A/E1467A Service Manual Chapter 1. General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Introduction . . . . . . . . . . . . . . Relay Life . . . . . . . . . . . . . . . End-of-Life Detection . . . . . . . Replacement Strategy . . . . . . . Safety Considerations . . . . . . . . . Warnings and Cautions . . . . . . Inspection/Shipping . . . . . . . . . . Initial Inspection . . . . . . . . . . Shipping Guidelines . . . . . . . . Environment . .
Chapter 4. Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Introduction . . . . . . . . . . . . . . . . . . . . Repair Strategy . . . . . . . . . . . . . . . . . . Equipment Required . . . . . . . . . . . . . Service Aids . . . . . . . . . . . . . . . . . . Troubleshooting . . . . . . . . . . . . . . . . . . Identifying the Problem . . . . . . . . . . . . Testing the Assembly . . . . . . . . . . . . . Self-Test Error Codes . . . . . . . . . . . . .
Certification Agilent Technologies certifies that this product met its published specifications at the time of shipment from the factory. Agilent Technologies further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology (formerly National Bureau of Standards), to the extent allowed by that organization’s calibration facility, and to the calibration facilities of other International Standards Organization members.
Printing History The Printing History shown below lists all Editions and Updates of this manual and the printing date(s). The first printing of the manual is Edition 1. The Edition number increments by 1 whenever the manual is revised. Updates, which are issued between Editions, contain replacement pages to correct the current Edition of the manual. Updates are numbered sequentially starting with Update 1. When a new Edition is created, it contains all the Update information for the previous Edition.
Declaration of Conformity Declarations of Conformity for this product and for other Agilent products may be downloaded from the Internet. There are two methods to obtain the Declaration of Conformity: • Go to http://regulations.corporate.agilent.com/DoC/search.htm . You can then search by product number to find the latest Declaration of Conformity. • Alternately, you can go to the product web page (e.g., www.agilent.
Notes 6 Agilent E1465A, E1466A, E1467A Matrix Switch Modules Service Manual
Notes Agilent E1465A, E1466A, E1467A Matrix Switch Modules Service Manual 7
Notes 8 Agilent E1465A, E1466A, E1467A Matrix Switch Modules Service Manual
Chapter 1 General Information Introduction This manual contains information required to test, troubleshoot, and repair the Agilent E1465A 16 x 16 Relay Matrix, the E1466A 4 X 64 Relay Matrix, and the E1467A 8 X 32 Relay Matrix (see Figure 1-1). Agilent E1465A 16x16 Relay Matrix Agilent E1466A 4x64 Relay Matrix Agilent E1467A 8x32 Relay Matrix Figure 1-1.
Relay Life Electromechanical relays are subject to normal wear-out. Relay life depends on several factors. The effects of loading and switching frequency are briefly discussed below: Relay Load. In general, higher power switching reduces relay life. In addition, capacitive/inductive loads and high inrush currents (e.g., when turning on a lamp or motor) reduce relay life. Exceeding the specified maximum inputs can cause catastrophic failure. Switching Frequency. Relay contacts heat up when switched.
NOTE Safety Considerations Relays that wear out normally or fail due to misuse should not be considered defective and are not covered by the product’s warranty. This product is a Safety Class I instrument that is provided with a protective earth terminal when installed in the mainframe. The instrument, mainframe, and all related documentation should be reviewed for familiarization with safety markings and instructions before operation or service.
WARNING REMOVE POWER IF POSSIBLE. Some procedures in this manual may be performed with power supplied to the mainframe while protective covers are removed. Energy available at many points may, if contacted, result in personal injury. (If maintenance can be performed without power applied, the power should be removed.) USING AUTOTRANSFORMERS.
Inspection/ Shipping Initial Inspection WARNING This section contains initial (incoming) inspection and shipping guidelines for the matrix modules. 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.
Notify Agilent and carrier. Notify Agilent Return Module to Agilent Figure 1-2.
Shipping Guidelines Follow the steps in Figure 1-3 to return a matrix module to a Agilent Technologies Sales and Support Office or Service Center.
Environment The recommended operating environment for the matrixes is: Environment Matrix Description NOTE Temperature Humidity Operating 0oC to +55oC <65% relative (0oC to +40oC) Storage and Shipment -40oC to +75oC <65% relative (0oC to +40oC) The Agilent E1465A/E1466A/E1467A matrix modules are "instruments" in the slots of a VXIbus mainframe. Each module is assigned an error queue, input and output buffers, and a status register.
Matrix Options Schematics/ Component Locators Recommended Test Equipment The Agilent E1467A Option 211 provides a special matrix expansion terminal module. No other Options to the matrixes are available. Component locators and schematics for the modules are packaged with this manual. Clear plastic sleeves are included for storage. Table 1-1 lists the test equipment recommended for testing and servicing the modules.
18 General Information Agilent E1465A/66A/67A Service Manual
Chapter 2 Verification Tests Introduction The three levels of test procedures described in this chapter are used to verify that the Agilent E1465A/E1466A/E1467A matrix module: • is fully functional (Functional Verification) • meets selected testable specifications (Operation Verification) • meets all testable specifications (Performance Verification) Test Conditions/ Procedures See Table 1-1 for test equipment requirements. You should complete the Performance Verification tests at least once a year.
Matrix Module Functional Verification Procedure The Functional Verification Test for the Agilent E1465A/E1466A/E1467A matrix modules consists of sending the *TST? command and checking the response. This test can be used at any time to verify that the device is connected properly and is responding to basic commands. 1. Verify that the matrix module is installed in the mainframe and that the mainframe has passed its power-on test. 2. Send the *TST? command to the device (see example following). 3.
The performance verification tests have two parts: a closed channel resistance test of all relay contacts (Test 2-1) and a DC isolation test (Test 2-2). These tests are sufficient to determine that the module is operating within specifications. These tests are suitable for incoming inspection, troubleshooting, and preventive maintenance. Wiring the Test Fixture A test fixture is required for the performance verification tests.
Figure 2-2. Agilent E1466A Test Fixture Figure 2-3.
Test 2-1: Closed Channel Resistance Test NOTE This test verifies that all relay contacts meet the closed-channel resistance specification for the module. When making the Closed Channel Resistance Test, the HI and LO paths relay contacts are tested independently. This test uses the test fixture (see Figures 2-1, 2-2, or 2-3). The end-of-life Closed Channel resistance specification for each relay contact is 2.7 Ω.. Closed channel resistance for new relays should be <1.8 Ω .
2. Ensure all relays are open • Send *RST to Module • Trigger the DMM with TRIG SGL and note reading • DMM reading should indicate an open condition (> 1.2 G Ω ) 3. Measure Column 00 to Row 00 HI path resistance • Send CLOS (@nn0000) to close column 0 row 0, where nn = card # (typically 01) • Trigger the DMM with TRIG SGL and note reading • Send OPEN (@nn0000) to open column 0 row 0, where nn = card # (typically 01) • Enter the result in Table 2-1 for column 0 row 0 4.
Figure 2-5. Column LO to Row LO Test Connections Example: Closed Channel Resistance Test This example performs a Closed Channel Resistance Test to measure the matrix relay contact resistances. If the relay contact resistance for a channel is >2.7 Ω the program prints a message indicating which channel has failed the test. Use this list in Chapter 4 — Service when troubleshooting a failing relay.
130 PRINT " 1. Turn Mainframe and Agilent 3458A DMM power OFF" 140 PRINT " 2. Connect GPIB cable between mainframe and DMM" 150 PRINT " 3. Install Component Assembly into Mainframe " 160 PRINT " 4. Attach Test fixture to Component Assembly" 170 PRINT " 5. Turn mainframe and DMM power ON " 180 PRINT " 6.
540 550 560 570 580 590 600 610 620 630 640 650 660 670 680 690 700 710 720 730 740 750 760 770 780 790 800 810 820 830 840 850 860 870 880 890 900 910 920 930 940 950 960 IF Opc <> 1 THEN 520 ! Check for stuck relays OUTPUT @Dmm;"TRIG SGL" ENTER @Dmm;A IF A<1.
970 NEXT K 980 NEXT J 990 CLEAR SCREEN 1000 PRINT "Measurements complete for Row ";Path$(T); " To Column ";Path$(T) 1010 IF T=0 THEN 1020 DISP "Press continue for Row ";Path$(T+1); " to Column ";Path$(T+1) 1030 ELSE 1040 DISP "Press continue to print measurement results" 1050 END IF 1060 PAUSE 1070 NEXT T 1080 CLEAR SCREEN 1090 ! 1100 ! Print Measurement Results 1110 ! 1120 Format: IMAGE "Row ",DD," to Col ",DD,3X,DD.DDDD," Ohms ",5X,DD.
Test 2-2: DC Isolation Test NOTE This test verifies that sufficient DC isolation exists at various points on the Module. DC Isolation is checked from HI to LO, HI to Chassis, and LO to Chassis. This test uses the test fixture (see Figures 2-1, 2-2, or 2-3). The DMM used should be capable of measuring at least 1 G Ω.. If the DMM indicates an overload, record the reading as >Rmax, where Rmax is the highest resistance that the DMM can measure.
5. Record the DMM reading in Table 2-1 (HI to LO) HI to Chassis Isolation 1. Make hardware connections as shown in Figure 2-7 2. Set DMM to 2-wire ohms, 1 G Ω range 3. Send CLOS (@10000:1rrcc) to the matrix to close all relays where rr = highest row number and cc = highest column number For E1465A, rr = 15 and cc = 15 For E1466A, rr = 03 and cc = 63 For E1467A, rr = 07 and cc = 31 4. Trigger the DMM with TRIG SGL Figure 2-7. HI to Chassis Isolation Test Connections 5.
Figure 2-8. LO to Chassis Isolation Test Connections 5. Record the DMM reading in Table 2-1 (LO to Chassis) 10! 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 RE-SAVE "DC_ISOL" ASSIGN @Dmm TO 722 ASSIGN @Sw TO 70915 DISP CHR$(129) DIM Cc$[2],Row$[2],Col$[2],A$[255],Conn$(2)[9],Value(2) DATA COLUMN HI,COLUMN LO, CHASSIS READ Conn$(*) Cc$="01" ! Card number OUTPUT @Dmm;"OHM 1E9" PRINT "Equipment Connections " PRINT PRINT " 1. Turn mainframe and Agilent 3458A DMM power OFF" PRINT " 2.
32 Verification Tests 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 360 370 380 390 400 410 420 430 440 450 460 470 480 PAUSE OUTPUT @Sw;"*CLS" OUTPUT @Sw;"SYST:CDES? "&Cc$ ENTER @Sw;A$ SELECT A$[2,2] CASE "1" Row$="15" Col$="15" CASE "4" Row$="03" Col$="63" CASE "8" Row$="07" Col$="31" CASE ELSE PRINT "Wrong card type detected: ";A$ STOP END SELECT CLEAR SCREEN ! ! Measure DC isolation HI to LO, HI to Chassis, and LO to Chassis ! OUTPUT @Sw;"*RST" OUTPUT @Sw;"CLOS (@"&Cc$&"0000:
610 620 630 640 650 660 670 680 690 700 710 720 730 740 750 760 770 780 Example: DC Isolation Test PRINT TABXY(1,1)," LO to Chassis DC Isolation Measurements" PRINT TABXY(1,3)," 1. Connect DMM Input HI lead to ";Conn$(1) PRINT TABXY(1,4)," 2.
Measurement Uncertainty Closed Channel Resistance Test For the performance verification tests in this manual, measurement uncertainties are calculated based on the Agilent 3458A Digital Multimeter. The measurement uncertainty shown in Table 2-2 is the accuracy of the Agilent 3458A using 90-day specifications. The calculations follow. Conditions: • 4-wire ohms function, 10 Ω range • 90-day specifications • Worst-case reading = 2.7 Ω M.U. = (15 ppm of Reading + 5 ppm of Range) = (15x10-6 * 2.
Table 2-1. Performance Test Record (Page 1 of 10) Model _______________________ Report No. __________________________ Date __________ General Information Test Facility: Name _____________________________________ Report No.
Table 2-1. Performance Test Record (Page 2 of 10) Model ____________________ Report No. _______________________ Date __________ Test No/Description Minimum* Value Measured Value Maximum Value Meas Uncert Test Acc Ratio (TAR) Test 2-1: Closed Contact Resistance (values in ohms) E1465A E1466A E1467A HI Path LO Path R00 C00 R00 C01 R00 C02 R00 C03 R00 C00 R00 C01 R00 C02 R00 C03 R00 C00 R00 C01 R00 C02 R00 C03 _______ _______ _______ _______ _______ _______ _______ _______ 2.7 2.7 2.7 2.7 9.
Table 2-1. Performance Test Record (Page 3 of 10) Model ____________________ Report No. _______________________ Date __________ Test No/Description Minimum* Value Measured Value Maximum Value Meas Uncert Test Acc Ratio (TAR) Test 2-1: Closed Contact Resistance (Continued) (values in ohms) E1465A E1466A E1467A HI Path LO Path R02 C00 R02 C01 R02 C02 R02 C03 R00 C32 R00 C33 R00 C34 R00 C35 R01 C00 R01 C01 R01 C02 R01 C03 _______ _______ _______ _______ _______ _______ _______ _______ 2.7 2.
Table 2-1. Performance Test Record (Page 4 of 10) Model ____________________ Report No. _______________________ Date __________ Test No/Description Minimum* Value Measured Value Maximum Value Meas Uncert Test Acc Ratio (TAR) Test 2-1: Closed Contact Resistance (Continued) (values in ohms) E1465A E1466A E1467A HI Path LO Path R04 C00 R04 C01 R04 C02 R04 C03 R01 C00 R01 C01 R01 C02 R01 C03 R02 C00 R02 C01 R02 C02 R02 C03 _______ _______ _______ _______ _______ _______ _______ _______ 2.7 2.
Table 2-1. Performance Test Record (Page 5 of 10) Model ____________________ Report No. _______________________ Date __________ Test No/Description Minimum* Value Measured Value Maximum Value Meas Uncert Test Acc Ratio (TAR) Test 2-1: Closed Contact Resistance (Continued) (values in ohms) E1465A E1466A E1467A HI Path LO Path R06 C00 R06 C01 R06 C02 R06 C03 R01 C32 R01 C33 R01 C34 R01 C35 R03 C00 R03 C01 R03 C02 R03 C03 _______ _______ _______ _______ _______ _______ _______ _______ 2.7 2.
Table 2-1. Performance Test Record (Page 6 of 10) Model ____________________ Report No. _______________________ Date __________ Test No/Description Minimum* Value Measured Value Maximum Value Meas Uncert Test Acc Ratio (TAR) Test 2-1: Closed Contact Resistance (Continued) (values in ohms) E1465A E1466A E1467A HI Path LO Path R08 C00 R08 C01 R08 C02 R08 C03 R02 C00 R02 C01 R02 C02 R02 C03 R04 C00 R04 C01 R04 C02 R04 C03 _______ _______ _______ _______ _______ _______ _______ _______ 2.7 2.
Table 2-1. Performance Test Record (Page 7 of 10) Model ____________________ Report No. _______________________ Date __________ Test No/Description Minimum* Value Measured Value Maximum Value Meas Uncert Test Acc Ratio (TAR) Test 2-1: Closed Contact Resistance (Continued) (values in ohms) E1465A E1466A E1467A HI Path LO Path R10 C00 R10 C01 R10 C02 R10 C03 R02 C32 R02 C33 R02 C34 R02 C35 R05 C00 R05 C01 R05 C02 R05 C03 _______ _______ _______ _______ _______ _______ _______ _______ 2.7 2.
Table 2-1. Performance Test Record (Page 8 of 10) Model ____________________ Report No. _______________________ Date __________ Test No/Description Minimum* Value Measured Value Maximum Value Meas Uncert Test Acc Ratio (TAR) Test 2-1: Closed Contact Resistance (Continued) (values in ohms) E1465A E1466A E1467A HI Path LO Path R12 C00 R12 C01 R12 C02 R12 C03 R03 C00 R03 C01 R03 C02 R03 C03 R06 C00 R06 C01 R06 C02 R06 C03 _______ _______ _______ _______ _______ _______ _______ _______ 2.7 2.
Table 2-1. Performance Test Record (Page 9 of 10) Model ____________________ Report No. _______________________ Date __________ Test No/Description Minimum* Value Measured Value Maximum Value Meas Uncert Test Acc Ratio (TAR) Test 2-1: Closed Contact Resistance (Continued) (values in ohms) E1465A E1466A E1467A HI Path LO Path R14 C00 R14 C01 R14 C02 R14 C03 R03 C32 R03 C33 R03 C34 R03 C35 R07 C00 R07 C01 R07 C02 R07 C03 _______ _______ _______ _______ _______ _______ _______ _______ 2.7 2.
Table 2-1. Performance Test Record (Page 10 of 10) Model ____________________ Report No. _______________________ Date __________ Test No/Description Minimum Value Measured Value Maximum* Value Meas Uncert Test Acc Ratio (TAR) 6.01E6 6.01E6 6.01E6 NA NA NA Test 2-2 DC Isolation (values in ohms) HI to LO HI to Chassis LO to Chassis 1.2E9 1.2E9 1.
Chapter 3 Replaceable Parts Introduction Ordering Information This chapter contains information for ordering replaceable parts for the Agilent E1465A/E1466A/E1467A Relay Matrixes. To order a part listed in this chapter, specify the Agilent Technologies part number and the quantity required. Send the order to your nearest Agilent Technologies Sales and Support Office. Replaceable Parts Lists Table 3-1.
Table 3-1. Component Assembly Replaceable Parts (Continued) Reference Designator Agilent Part Number Qty Part Description A2A1 E1466-66501 1 PC ASSEMBLY DENSE MATRIX C101-C106 0160-4835 15 CAPACITOR-FXD 0.1uF +-10% 50 V C107-C110 0160-4832 9 CAPACITOR-FXD 0.01uF +-10% 100 V C111 0160-4835 C201 0160-4835 CAPACITOR-FXD 0.1uF +-10% 50 V C202 0160-4832 CAPACITOR-FXD 0.01uF +-10% 100 V C203 0160-4835 C301 0180-0161 C302-C303 0160-4832 CAPACITOR-FXD 0.1uF +-10% 50 V CAPACITOR-FXD 0.
Table 3-1.
Table 3-1.
Figure 3-1.
Table 3-2. Terminal Case Replaceable Parts Reference Designator Agilent Part Number Qty. Part Description 1 E1400-84405 1 Case Assembly - Terminal (see Figure 3-2) 2 E1400-45103 1 Top Lever 3 E1400-45104 1 Bottom Lever 4 1460-2552 1 Torsion Spring - Left Hand Wound 5 1460-2553 1 Torsion Spring - Right Hand Wound 6 1390-1027 2 Receptical Quick Fastener Figure 3-2.
Table 3-3. Terminal Case Replaceable Parts Reference Designator Agilent Part Number Qty Part Description A1 E1400-84401 1 CASE TERMINAL BLK ASSY (See Figure 3-3) MP1 03852-01201 1 CLAMP MP2 03852-86701 1 PAD-CLAMP MP3 0515-2109 1 SCREW-MACHINE 10-24 .625-IN-LG PAN-HD-SLT MP4 1390-0846 2 FASTENER-CAPTIVE SCREW M2.5 X 0.45 MP5 E1300-01202 1 CLAMP STRAIN RELIEF MP6 E1400-44104 1 TERMINAL HOUSING-BOTTOM MP7 E1400-44105 1 TERMINAL HOUSING-TOP Figure 3-3.
Table 3-4. Agilent E1465A Terminal Module Replaceable Parts Reference Designator Agilent Part Number Qty Part Description A3 E1465-66510 1 TERMINAL CARD 16X16 MATRIX (See Figure 3-4) P1-P2 1252-1593 2 CONNECTOR-POST TYPE 2.54-PIN-SPCG 96-CONTACT TB1-TB16 0360-2502 16 TERMINAL BLOCK 8 POS. POLYESTER Table 3-5.
Figure 3-4. Agilent E1465A Terminal Module Figure 3-5. Agilent E1466A Terminal Module Figure 3-6.
Table 3-6. Matrix Module Reference Designators Reference Designators A................assembly PCB...........printed circuit board BRK...........bracket PNL ...........panel C................capacitor Q ...............transistor CR .............diode R................resistor CS .............case RP .............resistor pack CVR...........cover RT .............thermistor probe F ................fuse SCR ..........screw J ................electrical connector (jack) SHD ..........shield JM ..
Chapter 4 Service Introduction WARNING Repair Strategy Equipment Required This chapter contains service information for the Agilent E1465A/E1466A/ E1467A matrix modules, including troubleshooting techniques and repair/maintenance guidelines. Do not perform any of the service procedures shown unless you are a qualified, service-trained technician, and have read the WARNINGS and CAUTIONS in Chapter 1.
Troubleshooting Identifying the Problem To troubleshoot a matrix module problem you must first identify the problem and then isolate the cause of the problem to a replaceable part. See Chapter 3 — Replaceable Parts and the component locators at the back of this manual for descriptions and locations of Agilent E1465A/E1466A/ E1467A matrix modules replaceable parts. Table 4-1 lists some common problems, along with symptoms and possible solutions.
Testing the Assembly You can use the tests and checks in Table 4-2 to isolate the problem. See Figures 3-1, 3-2, 3-3, 3-4, 3-5, and 3-6 in Chapter 3 for locations of mechanical parts. See the component locator included with this manual for locations of electrical components. Table 4-2.
Relay Driver Description Figure 4-1 shows a simplified diagram of the relay driver and decoder circuits. As shown in the figure, the relays on the component assembly are arranged into 16 banks of 16 relays. Each bank of relays switches 16 columns to a single row. The relay contacts are arranged into four 4 X 16 submatrixes. These submatrixes are then arranged into the appropriate matrixes by each terminal module. The latching relays are double pole and switch both HI and LO lines. Figure 4-1.
Matching Relays to Channels Use Table 4-3 to help match channel numbers to relay and drive circuit reference designators. Table 4-3.
Table 4-3.
Table 4-3.
Table 4-3.
Table 4-3.
Table 4-3.
Table 4-3.
Table 4-3.
Self-Test Error Codes Table 4-4 shows the self-test error codes for the matrix modules. The meaning of each code is given in the right-hand column. If a self-test failure occurs, cycle power and repeat the test. If the problem reoccurs, the device may need repair. Table 4-4.
Figure 4-2.
Repair/ Maintenance Guidelines This section provides guidelines for repairing and maintaining the Agilent E1465A/E1466A/E1467A matrix modules, including: • ESD precautions • Soldering printed circuit boards • Post-repair safety checks ESD Precautions Electrostatic discharge (ESD) may damage static-sensitive devices in the matrix modules. This damage can range from slight parameter degradation to catastrophic failure.
Post-Repair Safety Checks Component Locators and Schematic Diagrams After making repairs to the module, inspect the device for any signs of abnormal internally generated heat, such as discolored printed circuit boards or components, damaged insulation, or evidence of arcing. Determine and correct the cause of the condition. Then perform the Functional Verification Test described in Chapter 2 to verify that the device is functional.
