ML18142A110

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Acceptance Test Procedure Atp 453, TC292-Q2 Thermocouple Conditioner
ML18142A110
Person / Time
Site: Surry, 05000000
Issue date: 04/13/1981
From: Kamerman L
VALIDYNE ENGINEERING SALES CORP.
To:
Shared Package
ML18130A405 List:
References
ATP-453, NUDOCS 8411200436
Download: ML18142A110 (12)
v • d • e


Text

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REVISIONS LTR ECO DESCRIPTION DATE APPROVED SIGNATURE DATE TITLE 1-------------.----------+------t ACCEPTANCE TEST PROCEDURE 453

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  • NUMBER REV 1--------+-t=;.,i~-:---....;,._-----+..;._,:__-t QUAL CONTROL ATP 453 SHEET l OF 9

8626 WILBUR AVENUE

  • NORTHRIDGE. CA 91324 * (213) 886-8488
  • Telex No. 65-1303 vs:r.~n,,1.11,sn _

L AlidyNE ENCII-... ING COll"'-TION

1. 0 SCOPE:

2.0 This document defines the acceptance test procedure (ATP) for TC292-Q,2, Thermocouple Signal Conditioner. The ATP outlines th.e functional tests of the operating characteristics. A sample of the test report to be used with this ATP is contained in Appendix A.

EQUIPMENT REQUIRED:

Table l lists the test equipment required to perform the ATP.

TABLE I. Equipment required for ATP.

Descrietion Manufacturer Part No.

Alternate or Model MC) (TEST)

Validyne None Extender Card (MCl-MC170)

Val.idyne None Digital Multimeter*

Data Precision 248 Commercial Equivalent.

Oscilloscope B & K 1470 Commercial Equivalent.

D.C. Signal Source Datel 8500 Commercial Equivalent.

Cold Junction Compensator Oniega CJ Vali dyne Equiv *..

Thermocouple Validyne "T"

Signal Generator EXACT 100 Co111Tiercial Equivalent.

Divider 1000:l Validyne Tl09.9 None Th.ermometer VWR Sci:enti:fi.c Inc ASTM-63F Commerci.a 1 Equivalent NUMBER ATP 453 SHEET 2

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A(idyNE l!NGINl!EIH-COIIPOIIAT10N 3.0 PRELIMINARY PROCEDURE:

Refer to assembly drawing No.9936 and visually inspect unit for completeness and correctness.

The value of Rl and R3 should be 2 Meg ohm each.

3.2 Set the control switches on TC292-Q2 as follows:

3.3

.4 4.0

4. 1 Pc Switch or Control Sl-1 (E)

Sl-2 (J)

Sl-3 (HI)

Sl-4 (Med)

S*l-5 ( IN)

Sl-6 (TC)

Sl-7 (SSL)

Sl-8 (ESL)

Sl-9 (100 -Hz)

Setting Open Open Closed Open Closed Closed Closed Closed Open Mode Result NOT E}

NOT J =Kor T Gain = 1000 Gain Ntr[ 500 Supression OFF Non-TC Compensated Sensor Master Excitation Master lOOHz Response Plug TC292-Q2 into extender card cable connector.

If necessary, connect MCl to 115 VAC and press. MC:l power switch; observe that power-on indicator lights.

INITIAL*TEST SETUP Connect DMM, MCl,*extender card, & T~292-Q2 as shown in Figure 2.*

MC l (7E5::)

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~-M.M 11 COM Ht FIGURE 2 - Initial Setup.

NUMBER ATP 453 SHEET 4

OF 9

REV

AlidyNE ENGIN.EIIING COIIPOIIATION 4.2 Short input pins 19/20 & 21/22 together.

4.3 Connect DC signal source(+) to pins 19/20 & (-)*to pins 17/18 & Set it to 0.000 voe.

4.4 Set DMM to DC volts & lOOmV range.

4.5 Adjust balance potentiometer (RB) for 0.0000 + 0.0005 voe on DMM.

4.6 Set the DC signal source output to 10.0 VDC.

Adjust corranon mode potentio-meter (Rl2) for minimum change on DMM when polarity of DC signal source is changed from plus to minus or vice versa.

4.7 Set DC signal source to 0.000 VDC & adjust RB, if necessary for 0.0000+ 0.0005 voe on DMM.

4.8 Disconnect DMM (HI) from U3-6 and connect it to TPl. Adjust zero potentio-meter (Rl6) for 0.000 + 0.002 voe on DMM.

4.9 Disconnect DC signal source from pins 19/20 & 17/18.

Remove short from input pins 19/20 & 21/22.

4.10 Connect DC signal sourc~ to the input of 1000:l ~ttenuator. Connect the attenuator(+) output to pin.19/20 & (-) to pins 21/22 of TC292-Q2.

Connect pin 21/22 to signal ground pins 23/24 of TC292-Q2.

4.11 Set DC signal source output to 10.000 + 0.001 VDC and adjust span potentio-meter (Rl4) for 10.000 + 0.002 voe on DMM.

4.12 Set DMM to measur~ AC mV.

4.13 The DMM reading should be lOmV maximum; indicate acceptance with checkmark on test report.

4.14 Set DMM to measure DCV.

4.15 Set DC signal source to 0.00 VDC, set Sl-3 to open (LO gain) & Sl-5 to open (SU PPR, in). Adjust suppression potentiometer (R35) to full clockwise (CW) a~d full counter clockwise (CCW) observing that TPl output is greater than

+ lOV DC.

Indicate acceptance* with checkmark on test report.

4.16. Set Sl-3 (HI gain), Sl-5 (SUPR out) & Sl-9 (lHz filter) to closed.

NUMBER REV ATP 453 SHEET

  • 5 OF 9

8626 WILBUR AVENUE

  • NORTHRIDGE. CA 91324 * (213) 886-8488
  • Telex No. 65-1303

5.0

5. 1 FUNCTIONAL TESTS:

Span Range A[idyNE ENOINEEIIINO COIIPO-TION 5.1.1 Set DC signal source to,10 VDC.

Adjust Span potentiometer (Rl4) fully CW, output should be greater than 11.000V DC.

Indicate acceptance with checkmark on test report.

5.1.2 Adjust Span potentiometer (Rl4) fully CCW, output should be less than 4.000V DC.

Indicate acceptance with checkmark on test report.

5.1.3 Adjust Span Potentiometer (Rl4) for 10.000 + 0.001V DC output at TPl.

5.2 Linearity Test 5.2.1 Change polarity of the DC siqnal source. The output should be

-10.000 +/-. 0.020V DC.

Indicate acceptance with checkmark on test report.

5.2.2 Set DC signal source to -5.00V DC.

The output at TPl should be

-5.000 + O.OlOV DC.

Indicate acceptance with checkmark on test report.

5.2.3 Change polarity of the DC signal source. The output at TPl should be

+5.000 + 0.007V DC.

Indicate acceptance with checkmark on test report.

5.2.4 Disconnect the DC signal source and 1000:l resistive attenuator from the input.

5.3 Gain Range Accuracy 5.3.l Connect DC signal source(+) to input pins 19/20 & (-) to input pins 21/22 of TC292-Q2.

5.3.2 Set Sl-3 to open, Sl-4 to closed (MED gain) and DC signal source to 20mVDC.

5.3.3 Output at TPl should be 10.00 + O.lSOVDC.

Indicate acceptance with check-mark on test report.

5.3.4 Set Sl-4 to open (LO gain) and DC signal source to 40.00mVDC.

Output at TPl should be 10.000 + 0.150V DC.

Indicate acceptance with checkmark on test report.

5.3.5 Set Sl-3 to close (HI_ gain)..

5.4 Filter Response 5.4.l Connect oscilloscope and frequency counter as shown in Figure 3.

5.4.2 Set oscilloscope to DC coupling and lV/Division scale.

NUMBER ATP 453 SHEET 6 '

OF 9

8626 Wll BUR AVFNlJE

  • NOBTI-IBIDGE CA 9]324 *

(2131 RBS B4RR Ielev Mn 65 l303 REV

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AlidyNE l!-INaa111-COIIPO-TION MC 1 CTE ~T) f:Uk1CT/O/\\/

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NUMBER REV ATP 453 SHEET 7

OF 9

8626 WILBUR AVENUE

  • NORTHRIDGE. CA 91324 * (213) 886-8488
  • Telex No. 65-1303

5.4.3 Set the function generator to O.lHz and apply sufficient amplitude to get 7V (p-p) from TPl on oscilloscope.

Increase the frequency until the display, on the oscilloscope, decreases to.5V p-p.

The frequency should be 1.0 + 0.25Hz.

Indicate acceptance with checkmark on test report.

5.4.4 Set Sl-9 to open (lOOHz filter).

5.4.5 Increase the function generator frequency until the display, on the oscilloscope decreases to 5 divisions. The frequency should be 100+/-25Hz.

Indicate acceptance with the checkmark on test report.

5.5 Thermocouple Compensation Amplifier Test 5.5. l Set switch Sl-9 to close (lHz filter) and Sl-6 to open (Temperature compensation mode).

Connect 11T 11 type thermocouple wires through cold junction compensator as shown in figure 4.

Turn cold junction compensator switch to ON.

5.5.2 Adjust R25 (Comp. Adj.) for a 0.000 + 0.005V DC at TPl output.

5.5.3 Turn cold junction compensator off, measure ambient temperature with thsrmometer and call it t°F. The output at TPl is given *by 21.95 X 10-3 (t F-32) +/-0.llOV DC.

Indicate acceptance with checkmark on test report.

5.5.4 Set Sl-1 to clgse (E type TC).

The output at TPl is given by 33.3 x 10-3 (t F-32) +/-0.160V DC.

Indicate acceptance with checkmark on test report.

5.5.5 Set Sl-1 to open & Sl-2 to close (J type TC).

The output at TPl is given by 28.35 x 10-3 (t°F-32) +/-O.l40V DC.

Indicate acceptance with checkmark on test report.

5.5.6 Connect a DMM across R39, set it to lOOmV range.

The DMM indication should be less than 5mV DC.

Indicate-acceptance with checkmark on test report.

5.6 Current Consumption 5.6.l Connect the DMM leads to the +15V current and voltage test jacks as shown in Figure 5.

Set DMM to read DC mA.

5.6.2 Set the MCl + 15V I TEST switch (Figure 5) to +15, the DMM indication should not exceed 22mA.

Indicate acceptance with checkmark on test*report.

5.6.3 Set MCl +15V I TEST switch to unmarked position.

Disconnect the DMM leads from the MCl.

5.6.4 Connect the DMM leads to MCl -15V current and voltage test jacks (Figures).

NUMBER REV ATP 453 SHEET 8

OF 9

8626 WILBUR AVENUE

  • NORTHRIDGE. CA 91324 * (213) 886-8488
  • Telex No. 65*1303 L_ _

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AlidyNE ENClllNl!EIIINCll COIIPOIIAnON 5.6.5 Set the MCl -15V I TEST switch (Figure 5) to -15; the DMM indication should not exceed 22mA.

Indicate acceptance with checkmark on test report.

5.6.6 Set MCl -15V I TEST switch to the unmarked position; disconnect the DMM leads from the MCl.

5.6.7 Unplug TC292-Q2 from extender card cable connector.

+lSV I TEST I TEST SWITCH

~+15

-lSV I TEST SWITCH

-15 NOTE:

TEST 0

OUTPUT

  • A B

+15 IA

'1?;J MCl TEST

+lSV VOLTAGE TEST JACK

-lSV VOLTAGE TEST JACK

1.

CONNECT DMM COM LEAD TO CURRENT TEST JACK AND HI LEAD TO VOLTAGE-TEST JACK rlt;tlKE.S-.

l'1C t (T£5T) -:rl~ V Cllf?ff£NT 7esT.SrlliCN AAl:h "J"A CK L OCA 1/0NS NUMBER REV ATP 453 SHEET 9

OF 9

8626 WILBUR AVENUE

  • NORTHRIDGE. CA 91324 * (213) 886*8488
  • Telex No. 65-1303

AlidyNE l!NGINl!l!RI-CORPORATION APPENDIX A NUMBER REV ATP 453 SHEET l

OF l

8626 WILBUR AVENUE

  • NORTHRIDGE. CA 91324 * (213) 886-8488
  • Telex No. 65-1303

ASSY S/0 W/0 TESTED BY Paragraph/Step 4.0 Initial Test Setup

4. 13 Noise (DMM)
4. 15

_Suppression 5.0 Functional Tests

5. 1. l Output at TPl (DMM) 5.1.2 Output at TPl (DMM) 5.2 Linearity Test
5. 2. l Output (DMM) 5.2.2 Output (DMM) 5.2.3 Output (DMM) 5.3 Gain Range Accuracy 5.3.3 Output (DMM) 5.3.4 Output (DMM) 5.4 Filter Response 5.4.3 Frequency (Hz) 5.4.5 Frequency (Hz)

TEST REPORT TC292-Q2 Thermocouple Conditioner CUSTOMER SERIAL NO.

DATE Accepted Specification_

lOmV nns max.

+10 VDC min.

11. 00 VDC min.

4.000 VDC max.

-10.00+/-0.020 VD

-5. 000+/-0. 010 VD 5.000+/-0.007 VDC 10.000+0.150 VD 10.000+0.150 VD l.0+0.25Hz 100+25Hz 5.5 Thennocouple Compensation 5.5.3 Output (DMM) 21.95x,0-3(

tOF-32) +O. llCND 5.5.4 Output (DMM)

33. 3xl o-3( tOF-~)

+0.160VDC 5.5.5 Output (DMM)

28. 35xrn-3(t<>F-~)

+O. 140VDC 5.5.6 R39 Voltage 5mV max.

NUMBER REV ATP 453 oc SHEET 1

OF 2

8626 WILBUR AVENUE

  • NORTHRIDGE. CA 91324 * (213) 886-8488
  • Telex No. 65-1303 vs:r. in;:;. 111An

S/0 W/0 TESTED BY Paragraph/Step ASSY 5.6 Current Consumption 5.6.2 15V Current 5.6.3 -15V Current QC TEST REPORT TC292-Q2 IoeDDacau~Je Conditioner CUSTOMER SERIAL NO.

DATE Accepted NUMBER ATP 453 SHEET 2

Specification 22mA max.

22mA max.

OF 2

REV 8626 WILBUR AVENUE

  • NORTHRIDGE. CA 91324 * (213) 886-8488
  • Telex No. 65-1303 VEC 306-11/80
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