ML18142A111

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Rev a to Acceptance Test Procedure ATP449, PC202-Q2 Buffer Amplifier.
ML18142A111
Person / Time
Site: Surry, 05000000
Issue date: 05/28/1981
From: Kamerman L
VALIDYNE ENGINEERING SALES CORP.
To:
Shared Package
ML18130A405 List:
References
ATP449, NUDOCS 8411200437
Download: ML18142A111 (18)
v • d • e


Text

AlidyNE ENGINEERING CORPOIIATION REVISIONS LTR ECO DESCRIPTION DATE APPROVED A See DCN 5 28 81 ...... ~. ----1 ( .. ~i~1 iB8ia 7 0~6M:>i!~ \ F SIGNATURE TITLE PROD TEST PC202-Q2 Buffer Amplifier NGINEERING NUMBER REV A :....-------,,:;.,~-=...:::~----:.......:.

____ ..,_ ______ -f QUAL CONTROL ATP449 SHEET 1 OF 13 8626 WILBUR AVENUE

  • NORTHRIDGE.

CA 91324 * (213) 886-8488

  • Telex No. 65-1303 VEC 304-11/80 AlidyNE l!NGIN ** IIINCI COlll"OIIATlON 1.0 SCOPE This document defines the Acceptance Test Procedure (ATP) for the PC202-Q2 Potentiometric Signal Conditioner.

The ATP performs functional checks of all operating characteristics.

A sample of the Test Report to be used with this ATP is contained in Appendix A. 2.0 EQUIPMENT REQUIRED Table 1 lists the test equipment required to perform the ATP. Table 1. Equipment Required for ATP Part No. Description Manufacturer or Model

  • Alternate MCl (Test) Validyne --None Extender Card (MC1-MC170)

Validyne --None BA Test Cable Validyne --None DC Source Validyne TE-124 None Digital Multimeter (DMM) (2) Data Precision 245 Commercial Equivalent Oscilloscope B & K 1470 Commercial

-Equivalent Function Generator

  • Exact 100 Commercial Equivalent Frequency Counter Hewlett Packard 5314A Commercial Equivalent 3.0 PRELIMINARY PROCEDURE 3.1 Plug extender card into front panel connector on MC!. 3.2 Refer to figure 1 and set switches and controls on PC202-Q2 as follows: Switch or Control SPAN (R24) GAIN (S4) FILTER (S2) DC/AC (S3) IN/OUT (SlA) -SV/0 (SlB) DIFF/SINGLE ENDED (SlC) Setting Full CW Xl 200 DC OUT -sv DIFF 3.3 Plug PC202-Q2 into extender card cable connector.

3.4 Refer to figure 1 for location, and visually check that resistors R8 and* R12 are each 1 Megohm, 5%. NUMBER ATP449 SHEET 2 OF 13 REV A

  • i ' AlidyNE l!-INalllll-co11..a11ATION Appendix 11 A 11 Sample Test Report NUMBER ATP455 l______ SHEET 1 OF l *~------------------~=~~======*

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en :x m !!I C) ,, L____ 1110 @ !PAN @ GAIN Ill II 1~-1 n 111111 Ill I~ HI 45 " '& DC AC 0 +11 0 -11 0 out rem m :z: C: 3: m m :a :a m < R50 I ZERO CONTROL @ R24 I SPAN. S4 IMIN I "u" S2 ZERO EJ DC/AC TP2 @ TPl TP3 NOTE: & ONLY ONE BAL POT IS IHSTALLED ON THE BOARD, AND IT IS NORMALLY RlS; SOME UNITS MAY HAVE Rll INSTALLED INSTEAD OF Rl 5 Figure 1. ATED TERMINAL ( TYP 7 PLACES) 499K CfilI] 24.9K1 ~lff<[1]-e

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[illlM CAL R4 ,~:::1 IN -5V DIFF D C I SINGLE \ ' OUT 0 ENDED ----' ' ---u CM , ADJ ',, \ 56.2K PC202-Q2 Parts Locations 12.lK .+15V e-QD: *-15V BAL r----, I R11 I I I 1& I L ___ .J BAL .., Cl ;;; .., Cl .... ;;; z w z ex: 0 w 0.. Cl :,: ..J 0 0 u Vl 2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 18 17 20 19 22 21 24 23 26 25 28 27 30 29 i i i

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AlidyNE ENGINl&l!IIING COIIPOIIAT10N 3.5 If necessary, connect MCl to 115 Vac and press MCl power switch; observe that power-on indicator lights. 4.0 INITIAL TEST SETUP 4.1 Connect DMM to PC202-Q2 as shown in figure 2. MCI(TEST)

EXTENDER CARD SIG GND 24 PC202-Q2 & JUNCTION U4-6 & Rl9 HI DMM NOTES: 1. & BOXED CALLOUT jxxxl INDICATES PANEL OR BOARD MARKINGS SEE FIGURE l FOR LOCATIONS Figure 2. Initial Test Setup NOTE: Unless otherwise indicated, all switches, controls, potentiometers, and test points referred to in the ATP procedures that follow are located on the PC202-Q2; see figure 1 for locations.

NUMBER ATP449 SHEET 4 OF 13 REV A

( AlidyNE l!NGINEl!III-COIIPOIIATION 5.0 FUNCTIONAL TESTS Perform all tests and in the order given~ 5.1 Null Adjustment 5.1.1 On connector of PC202-Q2 (figure 1), jumper pins 20 and 22 together and connect to signal ground (pin 24). NOTE BAL potentiometer Rll may be installed on some units instead of R15. On these units, adjust Rll in step 5.1.2. 5.1.2 Adjust BAL potentiometer Rl5 for 0.000(+/-0.002)V DC output on DMM. 5.1.3 Remove the ground from pins 20 and 22 of connector.

5.2 Common Mode Adjustment 5.2.1 On connector of PC202-Q2 (figure 1), jumper together pins 20 and 22 and connect to de source and DMM as shown in. figure 3. _. 5.2.2 Set polarity switch of de source to plus(+) and output to +10.000(+/-0.005)V.

5.2.3 Adjust CM ADJ potentiometer R18 for 0.000(+/-0.002)V DC output on DMM. 5.2.4 Set polarity switch of de source to minus(-);

output on DMM should be 0.000(+/-0.005)V DC. 5.2.5 Repeat steps 5.2.2 thru 5.2.4, if necessary.

5.2.6 Remove jumper'from pins 20 and 22 and disconnect de source and DMM . from PC202-Q2.

NOTE Any change in the value of RlOl (open circuit to 24.9K range) requires that paragraphs 5.1 and 5.2 be performed.

5.3 Linearity, Symmetry, and Noise 5.3.1 Using the BA test cable, connect de source and DMM to input connector on*rear panel of MCl as shown in figure 4. 5.3.2 Connect DMM to OUTPUT A of MCl as shown in figure 4 .* 5.3.3 Set output of de source to 0.0000(+/-0.0005)V DC. 5.3.4 Adjust ZERO potentiometer R44 for 0.000(+/-0.002)V DC output on DMM. NUMBER ATP449 SHEET 5 OF 13 REV A HI NOTES: 1. 2. AlidyNE ENGINEEIII-COll"'IIATION MCI(TEST)

EXTENDER PC202-Q2 .,---CARD r -ffi JUNCTION SIG GND 24 -C) U4-6 .. -INPUT 224 & +INPUT 20 Rl9 '-----\ \ I \ ' ¥ BLK ) ) RED I J ~.) .:> HI !COM I HI I DC OUTPUT! DMM DC SOURCE Dr,tH NOTES: 1. BOXED CALLOUT lxxxl INDICATES PANEL OR BOARd MARKINGS SEE FIGURE 1 FOR LOCATIONS Figure 3. Com:mon Mode ~djustment Test Setup DC SOURCE MCI(TEST)

!DC OUTPUT! BA TEST EXTENDER CABLE CARD RED BLACK I OUTPUT A I RED HI DMM BOXED C~LLOUT jxxxj INDICATES PANEL OR BOARD MARKINGS SEE FIGURE 1 FOR LOCATION Figure 4. Linearity and Symmetry Test Setup NUMBER ATP449 SHEET 6 ~~-""~..,~

\A/11 "0110 A.\/C'P.,111C' a l\lr"IOTUClr"'\re f'"A n .. ..,.., ... , -, ....... , .... ,.,,.. ,., .. ,.,,, -T-1-.. PC202-Q2 OF 13 REV A*

( AlidyNE ENQIN ... IINQ co11..allATION 5.3.5 Set output of de source to +10.000(+/-0.00Z)V.

5.3.6 Adjust SPAN control R24 for +10.000(+/-0.00S)V output on DMM. 5.3.7 Set DMM to read ACmV; the noise indication on the DMM should be less than or equal to 10 mV AC. Indicate acceptance on test report with checkmark.

5.3.8 Perform the steps in table 2 to check linearity and symmetry of PC202-Q2.

For steps 1 thru 5, set POLARITY switch of de source to plus(+) and input as indicated; for steps 6 thru 10, set POLARITY switch of de source to minus(-) and input as indicated.

Indicate acceptance on test report with checkmark.

Table 2. Linearity and Symmetry Check DC Source Output Specification Step Input (VDC) On DMM (VDC) 1 +10.000 +10.000+/-0.005 2 + 7.500 + 7.5QQ+/-Oa007 3 + 5.000 + 5.000+/-0.007 4 + 2.500 + 2.500+/-0.007 5 + 0.000 0.000::to.002 6 -0.000 -0.000+/-0.002 7 -2.500 -2.SOO+/-Oa0,07 8 -5.000 -5.000+/-0.007 9 -7a500 -7.500+/-0.007 10 -10.000 -10.000+/-0

.. 007 5.4 Gain 5.4.1 Set POLARITY switch of de source to plus(+). 5.4.2 Perform the steps in table 3 to check gain of PC202-Q2; for each step, set GAIN switch S4 and input from the de source as indicated.

Indicate acceptance on test report with checkmark.

Table 3. Gain Check Gain Switch DC Source Output Specification Step S4 Input (VDC) On DMM (VDC) 1 X1 +10.000 +10.000+/-0.005 2 X2.5 + 4.000 +10.000+/-0.300 3 XS + 2 .. 000 +10.000+/-0.300 4 XlO + 1.000 +10.000+/-0.300 5 X25 + 0.400 +10.000+/-0.300 NUMBER ATP449 SHEET 7 OF 13 REV A

( A(idyNE l!NQIN ** IIINQ COlll"OIIArtON Disconnect BA test cable from MCl. Zero 5.4.3 5.5 5.5.1 Set GAIN switch S4 to Xl and IN/OUT switch SlA to IN; on connector of PC202-Q2 (figure 1), jumper pins 20 and 22 together and connect to signal ground (pin 24). 5.5.2 Adjust ZERO CONTROL R50 maximum counterclockwise (CCW); output on DMM should be -11.000(+/-1.000)V.

Indicate acceptance on test report with checkmark.

5.5.3 Adjust ZERO CONTROL R50 maximum clockwise (CW); output on DMM should be +11.000(+/-1.000)V.

Indicate acceptance on test report with checkmark.

5.5.4 Set IN/OUT switch SlA to OUT. 5.5.5 Remove jumper and ground from pins 20 and 22 of connector.

5.6 Single Ended Input 5.6.1 Set DIFF/SINGLE ENDED switch SlC to SINGLE ENDED. 5.6.2 Reconnect BA test cable to MCl; -ensure GAIN switch S4 isset to Xl. 5.6.3 Connect negative terminal (black) of de source to signal ground (pin 24) on the PC202-Q2 connector; set de source output to 0.0000(+/-0.0002)V.

The output on DMM at OUTPUT A of MCl should be 0.000(+/-0.005)V DC. Indicate acceptance on test report with checkmark.

5.6.4 Set output of de source to +10.000(+/-0.005)V; the output on DMM at OUTPUT A of MCl should be +10.000(+/-0.0lO)V.

Indicate acceptance on test report with checkmark.

5.7 Calibration Circuit 5.7.1 Disconnect BA test cable from de source and DMM. 5.7.2 On connector of PC202-Q2 (figure 1), connect pin 28 to signal ground (pin 24). 5.7.3 If resistor R3 (figure 1) is connected to +15V, adjust CAL potentiometer R4 for +10.000(+/-0.lOO)V output on DMM; if R3 is connected to -15V, adjust R4 for -10.000(+/-0.lOO)V on DMM. 5.7.4 Adjust CAL potentiometer R4 full CCW; the output indication on DMM should be 0.000(+/-0.lOO)V.

Indicate acceptance on test report with checkmark.

5.7.5 Remove ground from pin 28 of connector.

NUMBER ATP449 SHEET 8 OF 13 REV A

( 5.8 5.8.1 5.8.2 5.8.3 5.8.4 5.8.5 5.9 5.9.1 AlidyNE l!NGINl!ERING CORPORATION Input Resistance Press MCl power switch; observe that power-on indicator goes out. Set DIFF/SINGLE ENDED switch SlC to DIFF; set DMM to read resistance on the 10 Megohm range. Connect DMM between pin 22 of PC202-Q2 and Ul-5 (figure 1); the DMM indication should be between 0.95 and 1.30 Megohms. Indicate acceptance on test report with checkmark; disconnect DMM. Connect DMM between pin 20 and junction of R7 and Ul-12 (figure 1); the DMM indication should be between 0.95 and 1.30 Megohms. Indicate acceptance on test report with checkmark;*disconnect DMM. Press MCl power switch; observe that power-on indicator lights. Filter Connect function generator, frequency counter, and oscilloscope, as shown in figure 5. FUNCTION .GENERATOR

  • I OUTPUT I BNC/BANANA PATCH CORD MCl(TEST)

I OUTPUT A I BLACK RED EXTENDER CARD PC202-Q2 I INPUT I FREQUENCY COUNTER @[TI OSCILLOSCOPE NOTES: 1. BOXED CALLOUT~-INDICATES PANEL OR BOARD MARKINGS Figure 5. Filter Test Setup NUMBER ATP449 SHEET 9 OF 13 REV A

( AlidyNE 1!-IN ** IIINQ COIIPOIIATION 5.9.2 5.9.3 Set oscilloscope for lV/DIV display, external trigger, and DC coupling.

Set PC202-Q2 switches as follows: Switch GAIN (S4) FILTER (S2) DC/AC (S3) IN/OUT (SlA) DIFF/SINGLE ENDED (SlC) 5.9.4 15 Hz Test Setting no 15 HZ AC OUT DIFF 5.9.4.1 Set function generator for a 1.5 Hz sinewave output, as indicated on the frequency counter; adjust output f~r a 7-division display on oscilloscope.

5.9.4.2 Increase function generator output frequency until oscilloscope display decreases to 5 divisions; the frequency counter should indicate 15(+/-2)Hz.

Indicate acceptance on test report with checkmark.

5.9.5 45 Hz Test 5.9.5.1 Set FILTER switch S2 to 45 HZ. 5.9.5.2 Increase function generator output frequency until oscilloscope display decreases to 5 divisions; the frequency counter should indicate 45(+/-7)Hz.

Indicate acceptance on test report with checkmark.

5.9.6 100.Hz Test 5.9.6.1 Set FILTER switch S2 to-100 HZ. 5.9.6.2 increase function generator output frequency until oscilloscope display decreases to 5 divisions; the frequency counter should indicate 100(+/-15)Hz.

Indicate acceptance on test report with checkmark.

5.9.7 200 Hz Test *5.9.7.1 Set FILTER switch S2 to 200 HZ. NUMBER ATP449 SHEET 10 OF 13 REV A

( A(idyNE ENGIN .. iRI-CORPORATION 5.9.7.2 Increase function generator output frequency until oscilloscope display decreases to 5 divisions; the frequency counter should indicate 200(+/-30)Hz.

Indicate acceptance on test report with checkmark.

Disconnect oscilloscope and BA test cable from MCl. Excitation 5.9.7.3 5.10 5.10.1 Connect DMM COM lead to signal ground (pin 24) of PC202-Q2 (figure 1); set DMM to read DC. 5.10.2 Using DMM, check that excitation at pin 16 (figure 1) is +5.000(+/-0.400)V; indicate acceptance on test report with checkmark.

5.10.3 Using DMM, check that excitation at pin 18 (figure 1) is -5.000(+/-0.400)V; indicate acceptance on test report with checkmark.

5.10.4 Set -5V/O switch SIB to O. 5.10.5 Connect DMM COM lead to pin 18 and Hi lead to U7-7 (figure 1); the DMM indication should be -5.000(+/-0.400)V.

Indicate acceptance on test report with checkmark.

5.10.6 Disconnect DMM from PC202-Q2.

5.11 Current Consumption 5.11.1 Connect the DMM leads to the MCl +15V current and voltage test jacks (figure 6); set DMM to read DCmA. 5.11.2 Set the MCl +15V I TEST switch (figure 6) to +15; the DMM indication should not exceed 22 mA. Indicate acceptance on test report with checkmark.

5.11.3 Set the MCl +15V I TEST switch to the unmarked position; disconnect the DMM leads from the MCl. 5.11.4 Connect the DMM leads to the MCl -15V current and voltage test jacks (figure 6). 5.11.5 Set the MCl -15V I TEST switch (figure 6) to -15; *the.DMM indication should not exceed 22 mA. Indicate acceptance on test report with checkmark.

5.11.6 Set the MCl -15V I TEST switch to the unmarked position; disconnect the DMM leads from the MCl. 5.11. 7 Unplug PC202-Q2 from extender card cable connector.

NUMBER ATP449 SHEET 11 OF 13 REV A

@ @ A(idyNE ENQINEEIII-COIIPOIIATION TEST * *

  • OUTPUT A B @ @ @ +15
  • MCl TEST * +lSV VOLTAGE TEST JACK -15V VOLTAGE TEST JACK CONNECT DMM COM LEAD TO CURRENT TEST JACK AND. HI LEAD TO VOLTAGE TEST JACK Figure 6. MCl (Test) +/-15V Current Test Switch and Jack Locations NUMBER ATP449 SHEET 12 OF 13 REV A AlidyNE l!NOINE.111-COIIPOIIAT10N APPENDIX A SAMPLE TEST REPORT NUMBER ATP449 SHEET 13 OF 13 REV A

( S/0 W/0 TESTED BY Paragraph/Step ASSY 5.3 Linearity and Symmetry 5.3.7 DMM Indication 5.3.8 Table 2 Step Indication On 1 DMM 2 DMM 3 PMM 4 DMM 5 DMM 6 DMM 7 DMM 8 DMM 9 DMM 10 DMM QC TEST REPORT PC202-Q2 Potentiometric Signal Conditioner CUSTOMER SERIAL NO. DATE Accepted NUMBER ATP449 SHEET 1 Specification

s 10 mV +10.000(+/-0.005)V

+ 7.500(+/-0.007)V

+ 5.000(+/-0.007)V

+ 2.500(+/-0.007)V 0.000(+/-0.002)V 0.000(+/-0.002)V

-2.500(+/-0.007)V

-5.000(+/-0.007)V

-7.500(+/-0.007)V

-10. 000 (+/-0. 007)V OF 3 REV A

,--( TEST REPORT ASSY PS324-Q2 Remote 24VDC Power Supply S/0 CUSTOMER W/0 SERIAL NO. TESTED BY DATE Paragraph/Step Accepted Specification.

5.1.2 Regulated voltage output Load Regulation 5.2.1 Line Regulation 5.3.1 Output Ripple oc NUMBER 24+/-1.5VDC 250mV max. 300mV max. 1 OmV nns max. REV ATP455 SHEET l OF l 8626 WILBUR AVENUE

  • NORTHRIDGE.

CA 91324 * (213) 886-8488

  • Telex No. 65-1303

( AidyNE ENOINEEIUNO COllll'OIIATION TEST REPORT PC202-Q2 ASSY Potentiometric Signal Conditioner S/0 CUSTOMER W/0 SERIAL NO. TESTED BY DATE Paragraph/Step Accepted Specification 5.4 Gain Check 5.4.2 Table 3 Step Indication On 1 DMM +10.000(+/-0.005)V 2 DMM +10.000(+/-0.300)V 3 DMM +10.000(+/-0.300)V

  • 4 DMM +10.000(+/-0.300)V 5 DMM +10.000(+/-0.300)V 5.5 Zero 5.5.2 DMM Indication

-11.000(+/-1.000)V 5.5.3 DMM Indication

+11.000(+/-1.000)V 5.6 Single Ended Input 5.6.3 DMM Indication 0.000(+/-0.005)V 5.6.4 DMM Indication

+10.000(+/-0.0lO)V 5.7 Calibration Circuit 5.7.4 DMM Indication 0.000(+/-0.lOO)V 5.8 Input Resistance 5.8.3 DMM Indication 0.95-1.30M NUMBER REV ATP449 A QC SHEET 2 OF 3 -**---*---*~-~

TEST REPORT PC202-Q2 ASSY Potentiometric Signal Conditioner S/0 W/0 TESTED BY Paragraph/Step 5.8.4 DMM Indication 5.9 Filter 5.9.4.2 Frequency Counter Indication 5.9.5.2 Frequency Counter Indication 5.9.6.2 Frequency Counter Indication 5.9.7.2 Frequency Counter Indication 5.10 Excitation Check 5.10.2 DMM Indication 5.10.3 DMM Indication 5.10.5 DMM Indication 5.11 Current Consumption 5.11.2 DMM Indication 5.11.5 DMM Indication oc CUSTOMER SERIAL NO. DATE Accepted NUMBER ATP449 SHEET 3 Specification 0.95-l.30M 15(+/-2)Hz 45(+/-7)Hz 100(+/-15)Hz 200(+/-30)Hz

+ 5.000(+/-0.400)V

-5.000(+/-0.400)V

-5.000(+/-0.400)V

  • 22 mA max. 22 mA max. OF 3 REV A
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