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DAQSTATION CX1000/CX2000 Service Manual

1. 7 8 7 3 CX2000 Customer Maintenance Parts 7 9 7 4 CX2000 Standard Accessories mene nnnnnnnn 7 16 Procedures for Disassembly CX1000 8 1 Removing the Bezel 2 1e n EU ge E ee 8 1 8 2 Removing the Board Assemblies and the Drive 8 4 8 3 Removing the 2 8 6 84 Replacing the Backlight l uu u eee peer ERR P 8 8 8 5 Removing the Terminal 8 10 SM 04L31A01 01E Chapter 1 Principles of Operation 1 1 Block Diagram of the CX1000 CX2000 Block Diagram of the CX1000 j Control Measurement Input section Input terminal Scanner assembly Control Output section Control Output a 1 Contact Input Contact Output Data storage functions External storage Renois turcin Jioptionan essuremenrAur Relay optiona Block Diagram of the CX2000 Measurement Input section Input terminal Scanner assembly A D assembly Control Input section Input terminal Scanner assembly A D assembly Control Output section Control Output Contact Input E Data storage functions External storage Display unit VGA
2. 19 015 Hg 7 1 CX1000 Customer Maintenance Parts List Complete Set Item Part No 1 B9967AM 2 B8700EN Y9308LB 4 B8700FA O95 B9968AT B8700DR 7 B9967AX Description Tag Cover Tag Plate B H Screw M3x8 Bezel Assembly see page 7 5 Sheet Sheet Pole Packing CMPL Parts SM 04L31A01 01A 7 1 CX1000 Customer Maintenance Parts List Customer Maintenance Parts List 1 32 33 34 3 7 3 SM 041 31 01 01 7 1 CX1000 Customer Maintenance Parts List ltem PartNo Qty 1 B8700RP 1 B8700RD 1 B8700QP 1 B8700QD 1 2 B8700RM 1 B8700RS 1 B8700QM 1 B87000S 1 3 B8700FF 1 4 B8700RA 1 5 B9967TA 1 6 B8700NP 1 7 B8700EE 1 8 870007 1 9 B8700UZ 1 10 B9900BR 1 11 B9968bEM 1 12 A9069KY 1 13 B9967DA 1 B9967DB 1 B9967DD 1 14 B9967DC 1 15 B9968TQ 1 B9968TP 1 996850 1 16 B9968CZ 1 B9968CZ 2 17 B8700FG 1 B9967DV 1 18 B9967CW 1 B9967DW 1 19 B8700SL 1 B9967UD 1 20 A1485UP 1 B9967TF 1 21 B9967CX 1 22 B9967TB 1 23 B9967GA 1 24 B9967DM 1 25 B9967DN 1 26 B9968GA 1 27 A1092UN 1 Y9204LS 3 29 B9968SW 1 30 B9968MA 1 31 B9968GL 1 32 A1492JS 1 33 Y9208LB 2 34 B9968SV 1 35 B9967GD 1 36 B9967DM 1 37 B9968GD 1 38 11500 1 39 Y9203LB 3 40 B9968SU 1 41 B9968ST 1 42 9968 1 Description MON AD Assembly CX1006 not N2 C am
3. 54 B8700HR 1 Name Plate for B8700CR B8700DG 1 Name Plate A4F 9 B8700CS 1 INPUT MO AS 10ch CX2 110 2020 select B8700DH 1 Name Plate A4FR B8700CU 1 INP AS 10ch 2010 2120 N2 55 B8700AZ 1 Name Plate CST1 10 B9968DJ 2 Screw B8700BH 1 Name Plate A6 B8700BJ 1 Name Plate A6R gt select 11 B9968DF 1 Cover Assembly B8700HZ 1 Name Plate TPS4 12 B9900SG 2 Screw B8700DE 1 Name Plate A4F 13 B9968DG 1 Cover B8700DF 1 Name Plate A4FR 14 B8700DS 1 Name Plate for 56 8700 1 Name Plate CST1 select B8700DU 1 Name Plate for B8700CU B8700HJ 1 Name Plate A6 15 B8700AJ 1 Name Plate for B8700CS B8700HK 1 Name Plate A6R select B8700BF 1 Name Plate for B8700CU B8700HX 1 Name Plate TPS4 16 B8700HS 1 Name Plate for B8700CS select B8700HG 1 Name Plate A4F B8700HU 1 Name Plate for B8700CU B8700HH 1 Name Plate A4FR 17 B8700CT 1 INPUT MO AS 20ch 2 1 20 57 9968 1 Terminal B8700CV 1 INP AS 20ch 2 20 N3 select 58 B9968AE 1 Name Plate not P1 select 67 B9968DN 1 Conn Cover Assembly 2 10 B9968HM 1 Name Plate P1 18 B9968DJ 2 Screw 59 B9968RJ 1 COMM Term Board Assembly _ 19 B9968DF 1 Cover Assembly B9968RK 1 COMM Term Board Assembly o 20 B9900SG 2 Screw B9968RG 1 COMM Term Board Assembly 21 B9968DG 1 Cover 60 Y9308LB 2 B H Screw M3x8 22 B8700DT 1 Name Plate for B8700CT select 61 B9968AG 1 Name
4. 3 Apply 10 V between the plus and minus sides for 1 minute and confirm that there is no malfunction 4 Set all channels to the Pt100 range 5 Apply 10 V between A and B for 1 minute and confirm that there is no malfunction 2 4 SM 04L31A01 01E 2 2 Test Procedures Burnout Test 1 Connect 2 resistor between the plus and minus sides of an arbitrary channel 2 Connect 56 resistor and a 0 1 uF capacitor in parallel between the plus and minus sides of an arbitrary channel other than the one in step 1 3 Set the range for the 2 connected channels to TC TYPE K and the Burnout to ON 4 Check that the channel to which 2 was connected displays a temperature close to the room temperature 5 Check that the channel to which the 56 resistor and the 0 1 uF capacitor were connected in parallel displays Burnout overrange 6 Set Burnout to OFF 7 Check that both channels in steps 1 and 2 do not display Overrange Reference Junction Compensation Accuracy Test Perform 0 measurement for TYPE T on all control and measurement channels and confirm that the result is below the following reference value Reference value 0 0 5 C CAUTION Use a calibrated non insulated thermocouple without a terminal tip having a 5 mm or narrower strand Also be sure to take the level of calibration error into consideration during testing Continuously monitor the thermostatic
5. 3 ASSV ASSY QYVOHWHALNNOS n i ASSVH3NvOS assy QV ASSvu3NVOS ASsvquvogqav ASSV H3NVOS assy quvog QV GHVOd H3HLON INO LOLNO LENO LOLNO LENO LOLNO INO I i SENO ZENO PENI SZNO ZENO 92 2 SINO ZINO J9ENO Ip iS 1 et ec 0 1 4 I 6NO 8NO ZNO 9NO ENO LENO ZEND cNO EINO LENO INO INO INO INO YNO 2 23 INO eN9 2 2 TNO PNO ENO ZN9 INO 1 1 Ola 9400289 9400289 9400289 ASSV ASSY QHVOS ASSY QHVOS ASSY QHVOS QUvOS NIVWOIQ 1 NIVIN LNd LNO NIYIN LNd LNO NIVW LAdLAO 0 8966 0 8966 dOO19 r WNs966 3089669 3089669 8 ZNO ZNO ASSY VNIIAH3 L ASSY TVNINH3L ASSY TVNIIAH3 L INO 1 eNO SNO SNO SNO 1 Ola 4400289 HH00788 HH00788 HH00 88 INO INO INO ASSV ASSY QHVOS ASSY QHVOS ASSY QHVOS 1 915 LAdLNO 915 LAdLNO 915 1 3589668 2589669 3589668 RIAM 1 ASSY QHVO8 ASSY oru ASSY quvog oru SM 04L31A01 01A 6 2 Chapter 7 Customer Maintenance Parts List 7 1 CX1000 Customer Maintenance Parts List Note Parts marked with a O symbol are CMPL Customer Maintenance Parts List parts SM 04L31A01 01A 7 1 151
6. 6 1 1000 Schematic Diagram Schematic Diagram E 0129669 900669 VAESOLV ASSV diz Assy UALS iiri ArZOG dV 3179668 I INO 1 15 8 N 9668 8 9668 A33 Odd AlddNS H3MOd 1 nseo66a INS i ASSV NNZ6OLV 255 END IND QHVO8 NNOO diz OW9668 owessea IND 7000 88 iHu00788 _ 318VO H3MOd me ASSY aH VOS AHOWSN ASSY AV 1dSIa 933 044 INO INO END ZNO ZNO Avpzoa ov anz96eg AS89669 1589668 MS89668 vu00 88 ASSV ASSY ASSY 15 q179668 auvo od adi ASSY QuvO8 ASSY QHvO8 NS i INO INO INO INO INO M3uos INO ZNO ENO 1 1 czv SH 4189669 91 9669 ASSY 262 5 0189669 qis 0589669 NOW 71812 OSI 5000 88 NOW 71412 Su00788 NOW 77410 OSI 0000 89 NON 1H10 QH00 88 QuvOg YAHLOW iSv auv
7. 8700 1 1000 2000 electric manual CMPL Parts 7 8 SM 04L31A01 01A 7 3 CX2000 Customer Maintenance Parts List Note Parts marked with a O symbol are CMPL Customer Maintenance Parts List parts SM 04L31A01 01A 7 9 151 19 015 Hg 7 3 CX2000 Customer Maintenance Parts List Complete Set Item PartNo Qty Description Bezel Assemblyt _ Bezel Assembly select see page 7 13 EE 1 YO414LB 3 Screw M4x14 1 1 1 B8700BA B8700BE 2 8700 Tag Plate O4 B9968AM Tag Cover 95 B9968AT 4 Sheet 96 B8700DR 4 Sheet 7 B9968AX 1 Packing Note CX2 00 0 0 0 1 t CX2DD0 D D 2 CMPL parts SM 04L31A01 01A 7 3 CX2000 Customer Maintenance Parts List Customer Maintenance Parts List 7 11 SM 04L31A01 01A 7 3 CX2000 Customer Maintenance Parts List PartNo 1 B8700SL 1 B9967UD 1 2 B8700RC 1 B8700RB 1 3 B8700SJ 1 B8700RJ 1 4 B9968QA 1 5 B9968SD 1 B9968TY 1 6 B9968QA 1 7 B9968SD 1 B9968TY 1 8 Y9414LB 1 9 B9968EL 1 10 A1193MN 1 11 B9968TQ 1 B9968TP 1 B9968SQ 1 12 B8700CW 1 13 B8700RA 1 14 B9968CX 1 15 B8700RK 1 16 B8700NA 1 17 B8700AE 1 18 B8700QZ 1 19 B9900BR 1 20
8. Ignore this step if the terminal block is not wired 4 2 SM 04L31A01 01E 4 1 Replacement of the Control Output Terminal Block Module 2 3 Connector Connector Screws Loosen the 2 terminal block attachment screws Pull the terminal block straight out and away from the unit Be careful not to bend the connector pins while removing the terminal block Open the back lid of the terminal block The letters printed on the relays indicate the loops they correspond to RL1 is for loops 1 3 and 5 and RL2 is for loops 2 4 and 6 Back lid Using a tool such as a pair of needle nosed pliers grasp the relay and pull it directly outward If you are not replacing the other relay be careful not to damage it when removing the relay to be replaced ush the Relay Lock Latch to the Left Control relay Needle nosed pliers or a similar tool Q Replace the relay with the following Matsushita Electronic Works Ltd Control Relay Part No DSP1 DC12V Web Site http www nais e com B 4 1 Replacement of the Control Output Terminal Block Module 6 Insert the relay into the socket by hand with the line on the top of the relay facing to the left 7 Close the back lid of the terminal block 8 Check the angle of the terminal block install it on the main unit and then fasten by tightening the terminal block attachment screws 9 Install the terminal cover and fasten
9. 2 Ajquiassesig 10 seanpeo2oJg BH 8 2 Removing the Board Assemblies and the Drive 1 Remove the bezel see section 8 1 Removing the Board Assemblies 2 Remove the three bracket screws 3 Slide the bracket down to pop it out of position then remove it Removing the bracket allows removal of all board assemblies CX with the bracket removed S Power Assembly Comm Board Assembly CPU Board Assembly AD Assembly MON Scanner Assembly 4 out and remove the S Power assembly Comm Board assembly and CPU Board assembly 5 You may have to pull forcefully to remove the MON Scanner assembly and the AD assembly You can pry them out gradually by inserting tools into the holes on either side of the board then rocking the board side to side while pulling Note The connection where the AD assembly is inserted into the mother board may be tight When reinserting the boards make sure that they are completely inserted into the connectors If it is difficult to grasp the MON Scanner assembly first remove the drive to provide extra space see next page 8 4 IM 04L31A01 01E 8 2 Removing the Board Assemblies and the Drive Removing the Drive 1 Remove the screw as shown in the figure below 2 Remove the drive by pulling it outwards CAUTION The ZIP drive has a thin transparent plate that can be sharp Take care not to cut your fingers when removing the drive CX with all boards and the dri
10. IM 04L31A01 01E 1 2 Input Section Calculation Function The CX1000 CX2000 performs differential computation linear scaling and square roots using a microprocessor on the CPU board Measurement Alarm Function The following eight alarm types can be set High limit H low limit L differential high limit h differential low limit 1 rate of change on increase R rate of change on decrease r alarm delay upper limit alarm T or alarm delay lower limit alarm t Control Alarm Function The following nine alarm types can be set PV high limit PV low limit Deviation high limit Deviation low limit Deviation high amp low limit SP high limit SP low limit Output high limit Output low limit Other Functions Communication Function Ethernet standard RS 232 RS 422A interface added optional Remote Function The trigger start stop time adjustment and other functions can be controlled remotely optional Measurement Alarm Relay Measurement alarm output and memory end fail output option for CX1006 and CX2000 Transmitter Power Supply DC24 V output for transmitter only CX2000 s optional VGA Out Function Option for CX2000 Only The instrument s screen can be displayed on an external monitor via VGA output Control Purpose DIO CX2000 Only Contact input Input for designated operations such as start stop Activate using a no voltage contact or open collector signal This is a 12 point input C
11. Resistor 250 1 Jig A measurement instrument having the same functions and characteristics as the CX2000 or CX1000 Tests Withstand Voltage Test Consult your nearest Yokogawa representative regarding the following tests Output Accuracy Test Voltage Pulse Output Test Control Relay Output Test DI Test DO Test Testing Environment Ambient temperature of 23 5 relative humidity of 55 20 CAUTION Before starting the test allow the instrument to warm up for 30 minutes or more Make sure the module is installed in the CX1000 CX2000 Test Procedure Perform a withstand voltage test on the module installed in the CX1000 CX2000 at the points listed below Test Points Reference Values Current and voltage pulse output to earth terminal on Leakage current of 2 mA or less at 1 kV AC for 1 minute the CX1000 CX2000 Control relay terminal to CX1000 CX2000 earth terminalt Leakage current of 2 mA or less at 1 5 kV AC for 1 minute DO relay terminal to CX1000 CX2000 earth termina Leakage current of 2 mA or less at 1 5 kV AC for 1 minute DO Tr relay terminal to CX1000 CX2000 earth terminals Leakage current of 2 mA or less at 0 5 kV AC for 1 minute DI terminal to CX1000 CX2000 earth terminall Leakage current of 2 mA or less at 0 5 kV AC for 1 minute Short mA PULS and C T Short NO NC and C t Short NO and C Short 003 6 and C Short all Dis 2 10 SM 04L31A01 01E
12. adhered to SM 04L31A01 01E 3 Overview of This Manual This manual is meant to be used by qualified personnel only Make sure to read the safety precautions at the beginning of this manual as well as the warnings and cautions contained in the chapters relevant to any servicing you may be carrying out This manual contains the following chapters 1 Principles of Operation Provides an introduction and safety considerations 2 Testing Explains the tests for checking the performance of the instrument 3 Adjustments Explains the adjustments which can be performed by users 4 Replacing Parts Describes maintenance which can be performed by users 5 Troubleshooting Presents procedures for troubleshooting and how to proceed in case parts need to be replaced 6 Schematic Diagram Provides a system configuration diagram 7 Customer Maintenance Parts List Contains exploded views and a list of replaceable parts 8 Procedures for Disassembly CX1000 Lists the steps required to remove parts from the instrument Specifications are not included in this manual For specifications refer to IM 04L31A01 01E or IM 04L31A01 03E SM 04L31A01 01E Contents Important Notice to the cde tert ne ides 1 epe DE 2 Safety Precautions 5 dete E de ee ud 2 Safety Symbols Used on Equipment and in Manuals 3
13. 15 151 19 015 7 4 CX2000 Standard Accessories Item Part No 1 N 00000 IM 04L31A01 01E IM 04L31A01 02bE IM 04L31A01 71E IM 04L31A01 72bE B8700MA B9900BX E9655FX A1053MP B9968PK CXA100 01 9 lt Description DAQSTATION CX2000 User s Manual DAQSTATION CX2000 Operation Guide CX2000 Installation and Connection Guide Precaution on the Use of the CX1000 CX2000 CD for Manual for CX Bracket Assembly Screw 4 Mag Memory 2 100MB disk CX2 000 2 Memory System ATA flash memory card CX2 000 3 DAQ Standard for CX Note CMPL parts 7 16 SM 04L31A01 01A Chapter 8 Procedures for Disassembly CX1000 8 1 Removing the Bezel The service manual is to be used by properly trained personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Refer to the safety precautions prior to performing any servicing Even if servicing is carried out according to this service manual or by qualified personnel YOKOGAWA assumes no responsibility for any result occurring from that servicing CAUTION If removing the assembly be sure to disconnect the power cable from the outlet before doing so Opening the Bezel 1 Openthe Key Case Assembly then remove the two screws as shown 2 The Bezel hooks on to holes in the top of the case Pull th
14. A9069KY 1 21 B9968EM 1 22 B8700UZ 1 23 B9968GA 1 24 A1092UN 1 25 Y9204LS 3 26 B9968MA 1 27 B9968SW 1 28 A1484UP 1 B9968SZ 1 29 B9968SP 1 30 B9968GL 1 31 A1492JS 1 32 Y9208LB 2 33 B9968SV 1 34 B9968GD 1 35 A1150UN 1 36 Y9203LB 3 37 B9968MB 1 38 B9968SU 1 39 B9968ST 1 40 B9968HQ 1 41 B9968HR 1 42 B9968UX 1 43 A1193MN 1 44 Y9414LB 1 45 B9968EL 1 Description Sub Power Board Assembly not P1 lect S24 Sub Power Board Assembly P1 select 2Loop AD Board Assembly CX2210 2220 4Loop AD Board Assembly CX2410 2420 2610 2620 2Loop Scanner Assembly CX2210 2220 select select 4Loop Scanner Assembly CX2410 2420 2610 2620 Slow AD PT Assembly 10ch Scanner Assembly 10ch ISO Scanner Assembly N2 select Slow AD PT Assembly CX2 0 20 10ch Scanner Assembly CX2 20 select 10ch Scanner Assembly 2 0 20 N2 B H Screw M4x14 Clamp Magnetic Parts Comm Board Assembly CX2 0 1 Comm Board Assembly CX2 0 2 gt select Comm Board Assembly CX2 0 0 CPU Board Assembly CPU Board Assembly CPU Bracket Display Board Assembly Memory Board Assembly Name Plate Memory Board amp Battery Assembly Battery Assembly Clamp Rivet Memory Board Assembly FDD Drive Assembly 2000 1 Memory System Screw FDD FCC FDD Board Assembly Power Supply not P1 select DC24 Power Assem
15. Blind Sheet SM 04L31A01 01A 7 13 151 19 015 Hg 7 3 CX2000 Customer Maintenance Parts List SM 04L31A01 01A 7 14 7 3 CX2000 Customer Maintenance Parts List Item PartNo Qty Description Item PartNo Qty Description 1 B8700CP 1 CTRLIN MO AS 2L CX22 49 B8700CY 1 DIO Module Assembly CST1 B8700CQ 1 CTRL IN AS 4L 2400 select B8700CX 1 Alarm Terminal Assembly A6 B8700CR 1 CTRLIN MO AS 6L CX26 D B8700CZ 1 Alarm Terminal Assembly A6R 67 B9968DN 1 Conn Cover Assembly 2000 B8700CJ 1 Alarm Terminal Assembly TPS4 select 2 B9968DJ 2 Screw B8700DX 1 Alarm Terminal Assembly A4F 3 B9968DF 1 Cover Assembly B8700DZ 1 Alarm Terminal Assembly A4FR 4 B9900SG 2 Screw 67 B9968DN 1 Conn Cover Assembly 5 B9968DG 1 Cover 50 9968 1 Cover Assembly 6 B8700AP 1 Name Plate for B8700CP 51 B9968DG 1 Cover B8700AQ 1 Name Plate for B8700CQ select 52 B9900SG 2 Screw B8700AR 1 Name Plate for B8700CR 53 8700 2 Screw CST1 select 7 B8700AV 1 Name Plate for B8700CP B9968DJ 2 Screw A6 A6R TPS4 A4F A4FR B8700AW 1 Name Plate for B8700CQ select 54 B8700AY 1 Name Plate CST1 B8700AX 1 Name Plate for B8700CR B8700DJ 1 Name Plate A6 8 B8700HP 1 Name Plate for B8700CP B8700DK 1 Name Plate A6R select select B8700HQ 1 Name Plate for B8700CQ B8700HW 1 Name Plate
16. Instrument Specifications DC voltage generator Accuracy 0 005 of setting 1 mV DMM Accuracy 0 005 of rdg 1 mV Resistors Accuracy 0 01 or better Insulation tester 500 VDC Withstanding voltage tester AC 1 to 3 kV 500 VDC External monitor for test of D5 option VGA monitor H 33 3 kHz V 60 168 Hz Oscilloscope 200 kS s or more isolated input Thermostatic chamber ZC 114 Coper Electronics Co Ltd or equivalent Testing Conditions The tests cover all included A D converters The unit s analog input is in analog multiplexer format For the CX1000 channel group 1 6 of the measurement input section and channel group 7 11 of the control input section are each assigned to one A D converter For the CX2000 channel groups 1 5 and 6 10 of the control input section slot 1 and channel groups 1 10 and 11 20 of the measurement input section slots 2 and 3 are each assigned to one A D converter Therefore except for when specifying inputs linked to the same A D converter only one arbitrary channel within a group need be tested for example not channels 1 5 but only channel 1 SM 04L31A01 01E 2 1 2 1 Overview of Tests Tests Insulation Resistance Test Withstand Voltage Test Measurement Accuracy Test Error between Channels Test Excessive Input Test Burnout Test Reference Junction Compensation Accuracy Test Display Function Test VGA Output Function Test For D5 Option Only Serial Communications Functio
17. and service information than that contained in this service manual All reasonable efforts have been made to assure the accuracy of the content of this service manual However there may still be errors such as clerical errors or omissions YOKOGAWA assumes no responsibility of any kind concerning the accuracy or contents of this service manual nor for the consequences of any errors All rights reserved No part of this service manual may be reproduced in any form or by any means without the express written prior permission of YOKOGAWA The contents of this manual are subject to change without notice Note YOKOGAWA instruments have been designed in a way that the replacement of electronic parts can be done on an assembly module basis by the user YOKOGAWA instruments have also been designed in a way that troubleshooting and replacement of any faulty assembly can be done easily and quickly Therefore YOKOGAWA strongly recommends replacing the entire assembly over replacing parts or components within the assembly The reasons are as follows The instruments use high performance microprocessors large scale CMOS gate arrays and surface mount components to provide state of the art performance and functions Repair of components can only be performed by specially trained and qualified maintenance personnel with special highly accurate tools including costly ones When taking the service life and cost of the instruments into considera
18. chamber and check that the temperature remains at 0 0 01 C When using a 0 thermostatic chamber for example the ZC 114 by Coper Electronics Co Ltd raise the tip of the thermocouple up 10 mm from the bottom Conduct all tests in a stable environment Install a windbreak if necessary Allow a 15 minute warm up after wiring the thermocouple Always use the terminal covers Display Function Check the adjustment of the display color and backlight intensity using the following procedure 1 Press the MENU key twice to enter Set mode The Set mode screen is displayed 16 54 04 hie 6 Sen 06 2000 15 14 20 RS Evon Set mode Me ze Range Alara Range Alarm za averase fllarn delay Tag Hoving average Alarm delay time EC p ce al oos ra Trend Save interval User key 22 clear data COT ath seti CE ath set 1 2 3 4 Next 1 3 m 5 1 2 2 Pressthe Display soft key 3 Select Color 4 default color and color name is displayed for each channel compare the colors and their names to make sure there are no discrepancies SM 04L31A01 01E 2 5 2 2 Test Procedures o NDN 10 Press ESC to return to the previous screen Press the View Direction LCD soft key Move the cursor to Brightness For the CX1000 select 1 through 8 and confirm that each brightness level is brighter than the one b
19. up for at least 30 minutes prior to calibration Instruments for Calibration Overview DC voltage generator Accuracy 0 005 of setting 1 uV Resistor 100 300 O accuracy 0 0196 or less The structure of the A D converter in the CX2000 differs depending on the model Multiple channels groups share one A D converter All A D converters must be calibrated so calibration must be performed on each group CX1000 Monitor No of Inputs for Measurement Total Number of No of Group Meas Interval of Channels CH AD A D 6ch 1s 6 6 1 1 6 Group a classification for all channels that share a single A D converter Control 1st Slot Number of Internal Measurement Total Number of No of Group Control Loops interval of Channels CH AD A D 0 loops 0 0 0 2 loops 250 mS 5 5 1 1 5 CX2000 Control 1st Slot Number of Internal Measurement Total Number of No of Group Control Loops interval of Channels CH AD A D 0 loops 0 0 0 2 loops 250 mS 5 5 1 1 5 4 or 6 loops 250 mS 10 5 2 1 5 6 10 Group a classification for all channels that share a single A D converter Monitor 2nd 3rd Slot No of Inputs for Measurement Total Number of No of Group Meas Interval of Channels CH AD A D 10 ch 1s 10 10 1 1 10 20 ch 1s 20 10 2 1 10 11 20 Ranges to Be Calibrated and Their Parameters Rang
20. with the terminal cover screws 10 Confirm that the instrument functions properly then perform a withstanding voltage test on the contact output terminal to protective ground of each control relay 4 4 SM 04L31A01 01E Chapter 5 Troubleshooting 5 1 Procedure 1 Determine the type of problem 2 Check for possible user error Check the connections and the settings of equipment to determine whether there was a handling mistake 3 Execute the self diagnostic test by turning the power ON and identify any problem items 4 Analyze the cause of the problem according to the troubleshooting flow chart Do not touch the circuit or parts with live voltage because the power unit contains a high voltage electrical circuit The p ower unit is furnished with a dedicated cover to prevent electric shock Do not remove this cover Never touch any part not subject to adjustment Make sure to connect input terminals voltage or current correctly The internal circuit may be damaged when wrongly connected SM 04L05A01 01E 5 1 1 5 2 Flow Chart This flow chart consists of general service operations when a fault occurs This chart is not always suitable for every kind of fault However it is recommended to perform operations according to the flow chart Phenomenon check YES Assembly exchange and adjustment Performance test execution Repaired 5 2 SM 04L05A01 01E 5
21. 0 mV 3 digits 0 1 of rdg 2 digits 0 0 mV t1 digits 200 0 mV 3 digits 2 2 000 V 3 digits 0 1 of rdg 2 digits 0 000 V t1 digits 2 000 V 3 digits 6V 6 000 V 6 digits 0 1 of rdg 2 digits 0 000 V t1 digits 6 000 V 6 digits 20V 20 00 V 3 digits 0 1 of rdg 2 digits 0 00 V 1 digits 20 00 V 3 digits 50V 30 00 V 5 digits 0 1 of rdg 3 digits 0 00 V 2 digits 30 00 V 5 digits Pt100 18 520 200 0 4 C 0 15 of rdg 0 3 C 100 000 0 0 2 C 313 710 600 0 9 C Error between Channels Test Connect the and b terminals on all measurement and control input channels using thick leads then check whether the following criteria are met Range Input Value Criterion 20 mV Short 0 00 mV 2 digits Pt100 103 9 Q Measured value 10 C 0 2 C difference between channels 0 2 C or less Note Ifthe measurement error does not meet the criterion 10 C 0 2 and unless you determine the cause to be the effect of the resistance in the test facility s RTD wiring use the following measurement criteria Measured value 10 C 0 5 Difference between channels 0 2 C less See your nearest Yokogawa representative for the error between channels in the control input section Excessive Input Test 1 Connect the plus and minus sides of all measurement and control input channels 2 Set all channels to the 20 mV range
22. 2 4 DIO Module Assembly Test This section describes the test procedure for CTRL MODULE ASSY B8700CY which is used on the CX1000 CX2000 This test is not necessary if you perform the general tests in section 2 2 Perform this test when testing the module by itself Test Instruments Instrument Specifications Withstanding voltage tester AC 1 to 3 kV 500 VDC Jig A measurement instrument having the same functions and characteristics as the CX1000 CX2000 Tests Withstand Voltage Test Consult your nearest Yokogawa representative regarding the following tests DI Test DIO Test Testing Environment Ambient temperature of 23 5 relative humidity of 55 20 CAUTION The following assumes that the test will be performed with the module installed in the CX1000 CX2000 The test cannot be performed on models having no internal control loops with no DIO module installed Test Procedure Perform a withstand voltage test on the module installed in the CX1000 CX2000 at the points listed below Test Points Reference Values DO terminal to CX1000 CX2000 earth terminal Leakage current of 2 mA or less at 0 5 kV AC for 1 minute DI terminal to CX1000 CX2000 earth terminalt Leakage current of 2 mA or less at 0 5 kV AC for 1 minute Short DO1 12 and C T Short all Dls SM 04L31A01 01E Chapter 3 Adjustments 3 1 Calibration of the Measuring Instrument s Input Allow the instrument to warm
23. 3 Troubleshooting Checklist Trouble Power is not turned ON Operational lt lt Check Adjust Exchange Check Item Power cable connection Fuse is blown P1 option only Power ass y CPU ass y Memory ass y Display ass y FAIL state 5 lt 5 lt lt lt lt lt CPU ass y Memory ass y Display ass y Optional terminal ass y Memory cannot be backed up lt lt lt Battery connector is disconnected Battery voltage is low less than 3 0V CPU ass y Memory ass y Display ass y Panel key operation is not normal LCD is not normal SS lt lt lt lt lt lt FFC ass y of the keyboard is disconnected broken Keyboard ass y CPU ass y Memory ass y Display ass y FFC ass y of the LCD is disconnected broken CPU ass y Memory ass y Display ass y LCD ass y Measured value incorrect Measured temperature is incorrect lt lt lt amp lt lt Input wiring is disconnected Noise A D ass y Scanner ass y Input is disconnected Noise Terminal cover is removed RJC INT EXT setting A D board ass y Input terminal Scanner board ass y Measured value fluctuates External storage media is not normal Power frequency setting is incorrect Noise Floppy disk Zip disk PC card drive unit SM 04L05A01 01E 5 3 1 Chapter 6 Schematic Diagram
24. 4L31A01 01A 7 1 CX1000 Customer Maintenance Parts List Bezel Assembly 2 3 1 7 Item PartNo Qty Description Item PartNo Qty Description 1 8700 1 Key Case Assembly 12 B9967BU 2 Screw 2 B9967BN 1 13 B9967AY 1 Packing 3 B9567AQ 1 Spring 14 B9967MA 1 Key FPC 4 B9967BP 1 Front Plate 15 B9967BT 1 FPC Guard 5 E9655AL 1 Spring 16 B9967BX 1 Rivet 6 B9967BM 1 Door Knob 17 B8700FB 1 Sub Bezel Assembly 7 B9967BJ 1 Front Cover 18 B9967BF 1 LCD Assembly 8 B8700FL 1 Key Top 18a A1053VA 1 LCD 9 B9967TC 1 SW Board Assembly 18b B9967AQ 1 Name Plate 10 B9967BZ 1 Micro SW Pin 18c A1039VZ 1 Back Light Module 11 B9967BK 1 Front Case 19 B9968BM 2 Hinge Arm 20 B9967MB 1 Display FFC 21 B9967BY 1 Stay Bracket 22 B9968bEN 1 Bushing SM 04L31A01 01A 7 5 151 19 015 Hg 7 1 CX1000 Customer Maintenance Parts List Q UAR ON SR A 5 AB gt M D 7 6 SM 04L31A01 01A 7 1 CX1000 Customer Maintenance Parts List Item PartNo Qty Description 1 oc ABO N O 10 11 012 13 14 015 16 17 18 19 20 21 22 23 24 25 26 27 28 B8700GA B8700GB B8700GC B8700GD B8700FT B9968DN B8700CK B9968DJ B9968DF B9900SG B9968DG B8700GF B8700GH B8700GK B8700GM B8700EW B8700GE B8700GG B
25. 8700GJ B8700GL B8700EV B8700HJ B8700HK B8700HG B8700HH B8700HL B8700FP B8700FQ B8700FR B8700FS B9968DJ B9968DF B9900SG B9968DG B8700EH B8700EL B8700EQ B8700ET B8700EG B8700EK B8700EP B8700ES B8700EJ B8700EM B8700ER B8700EU B8700ED B8700EF B9968EG B9968RJ B9968RK B9968RG Y9308LB B9968AJ B9968AG B9968AH Y9305LB B9968EH B9968bEJ Y9305TS Y9308LB B9968EE A1447JZ 1 k k N m k k k k N N k k k k k k k k Alarm Module A6 Alarm Remote Module A6R Alarm Fail Module A4F Alarm Remote Fail Module A4FR CTRL Module 2 Loop CX1206 select Conn Cover Assembly Screw CX1206 Screw A6 A6R A4F select Cover Assembly Screw Cover Name Plate A6 Name Plate A6R Name Plate A4F Name Plate A4FR select Name Plate CX1206 Name Plate A6 Name Plate A6R Name Plate A4F Name Plate A4FR select Name Plate CX1206 Name Plate A6 5 Name Plate A6R Name Plate A4F Name Plate A4FR Select Name Plate CX1206 CTRL MEAS 0 Loop Module Assembly CX1006 not N2 CTRL MEAS 2 Loop Module Assembly CX1206 not N2 CTRL MEAS 0 Loop RTD Module Assembly CX1006 N2 CTRL MEAS 2 Loop RTD Module Assembly CX1206 N2 select Screw Cover Assembly Screw Cover Name Plate CX1006 not N2 Name
26. O 318vO VOA 5 01489669 Is 1 H8VO i 589669 dnZ2siv NNLELLY ASSY LINN 8966 V5 VOA dSI diz MS H31H3ANI an ESI vivet 1 LENS ais anvsrlv 000 88 ASSV 944 A3M 318V2 ANI AlddNS H3MOd 1 EN 0589668 i ZNO INO DNO ASSV 2601 ZNO ENO 1neoeea goa ig mun Mp Swg9668 IND 318vO avoa nevi 889668 VIN8966 ASSY Qu VOS AHOWSN ASSY AV1dSId 933 044 INS INS ND FANG INO i ZNO ZNO l i 29 ENO 1 Horsa MO89668 AS89668 1589669 MS89668 LNO M3HOS 1500 88 1 ASSV hag ASSV ASSV ASSV I ASSY MOd Quvog norsdl 1 quvog auvo od ASSY fido 1 1 11 INO INO IND no INO boy INO I K HURITA D ERE z amp SH 1 end eno 1 27 1 1 zzv Su y 89669 ZzvSH 4189668 zez su 2625 0189668 68966 015 9989669 015 0589669 05 4189668 05 4189668 40019 00 88 40019 8 00 88 assy quvog WIOO 589668 089668 0589669 vo89668 2 500 88
27. Overview of This Manu al enda era cua Od Por nei 4 Chapter 1 Principles of Operation Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 1 1 Block Diagram of the 1000 2000 22040 40 1 11 0100 0000 000 nennen 1 1 1 0 Inp t Section D nie E 1 2 Testing 2 1 Overview OF Tests ioi np eis Eire 2 1 2 2 TestProcedures iter eA ME HH E E 2 3 2 3 CTRL Module Assembly Tests 0000 nennen nennen 2 10 2 4 DIO Module Assembly 2 11 Adjustments 3 1 Calibration of the Measuring Instrument s 3 1 3 2 Control Output Calibration tiie de era Rea inus 3 6 Replacing Parts 4 1 Replacement of the Control Output Terminal Block Module 4 1 Troubleshooting 5 1 Procedure ate A aene mai E n 5 1 5 2 Flow aute eet ee de em eaten tat 5 2 5 3 Troubleshooting 5 3 Schematic Diagram 6 1 1000 s u S a m asus nennen 6 1 6 2 2000 5 uu 6 2 Customer Maintenance Parts List 7 1 CX1000 Customer Maintenance Parts List a 00 7 1 7 2 CX1000 Standard Accessories
28. Plate B8700DV 1 Name Plate for B8700CV B9968AH 1 Name Plate select 23 B8700AK 1 Name Plate for B9968AJ 1 Sheet select B8700BG 1 Name Plate for B8700CV 62 Y9305LB 1 B H Screw M3x5 24 B8700HT 1 Name Plate for B8700CT select 63 B9968EG 1 Power Plate B8700HV 1 Name Plate for B8700CV 64 B9968EH 1 Blind Bracket select 25 X B8700CL 1 CTRL Module AS 2L CX22 2400 select B9968EJ 1 RS 232 Bracket 67 B9968DN 1 Conn Cover Assembly 2000 65 Y9305TS 1 Tapping Screw 66 Y9308LB 1 B H Screw M3x8 26 B9968DF 1 Cover Assembly 68 A1447JZ 1 Modular Cover 27 B9968DG 1 Cover 69 9968 1 VGA Cable ud select 28 990050 2 Screw 70 9968 1 Cap not D5 29 B8700CK 2 Screw 71 B8700AG 1 Name Plate 30 B8700AL 1 Name Plate 31 B8700AS 1 Name Plate 32 B8700HL Name Plate 33 B8700CM 1 CTRL Module AS 4L CX24 CX26 L 67 B9968DN 1 Conn Cover Assembly CX20 CX22 34 B9968DF 1 Cover Assembly 35 996800 1 Cover 36 B9900SG 2 Screw 37 8700 2 Screw Note 38 B8700AM 1 Name Plate 39 B8700AT 1 Name Plate 2 01 0 T Cx2 0 11 1 40 8700 1 Name Plate 2 0 1 2 41 B8700CN 1 CTRL Module AS 6L 2600 67 B9968DN 1 Conn Cover Assembly CX20 CX2200 CX24D 0 42 9968 1 Cover Assembly 43 996800 1 Cover 44 B9900SG 2 Screw 45 B8700CK 2 Screw 46 B8700AN 1 Name Plate 47 B8700AU 1 Name Plate 48 B8700HN 1 Name Plate SM 04L31A01 01A 7
29. Plate CX1206 not N2 Name Plate CX1006 N2 Name Plate CX1206 N2 Name Plate CX1006 not N2 Name Plate CX1206 not N2 select select Name Plate CX1006 N2 Name Plate CX1206 N2 Name Plate CX1006 not N2 Name Plate CX1206 not N2 Name Plate CX1006 N2 select Name Plate CX1206 N2 Name Plate not P1 Name Plate P1 select Power Plate COMM Term Board Assembly 1006 0 1 select COMM Term Board Assembly 1006 0 2 COMM Term Board Assembly 1006 0 0 B H Screw M3x8 Sheet 1006 0 0 Name Plate 1006 1 select Name Plate 1006 0 2 B H Screw M3x5 Blind Bracket 1206 0 RS 232 Bracket CX100 select Tapping Screw CX1006 0 1 0 B H Screw M3x8 Terminal Modular Cover Note CMPL Parts SM 04L31A01 01A 151 19 015 Hg 7 2 CX1000 Standard Accessories Item Part No Qty Description 1 IM04L31A01 03E 1 DAQSTATION CX1000 User s Manual IM04L31A01 04E 1 DAQSTATION CX1000 Operation Guide IM04L31A01 72E 1 Precautions on the Use of the CX1000 CX2000 IM04L31A01 73E 1 CX1000 Installation and Connection Guide 2 B9900BX 2 Bracket Assembly 3 E9655FX 5 Screw 4 4 A1053MP 1 Mag Memory Zip 100MB disk DX1006 2 5 9968 1 Memory System ATA flash memory DX1006 3 100 01 1 DAQ Standard for CX Note
30. Service Manual DAQSTATION CX1000 CX2000 SM 04L31A01 01E M YOKOGAWA SMWo4SIAWOEE 2nd Editi Yokogawa Electric Corporation nd Edition Important Notice to the User This manual contains information for servicing YOKOGAWA s DAQSTATION CX1000 CX2000 Check the serial number to confirm that this is the correct service manual for the instrument to be serviced Do not use the wrong manual Before any maintenance and servicing read all safety precautions carefully Only properly trained personnel may carry out the maintenance and servicing described in this service manual Do not disassemble the instrument or its parts unless otherwise clearly permitted by this service manual Do not replace any part or assembly unless otherwise clearly permitted by this service manual In principle Yokogawa Electric Corporation YOKOGAWA does not supply parts other than those listed in the customer maintenance parts list in this service manual mainly modules and assemblies Therefore if an assembly fails the user should replace the whole assembly and not components within the assembly see Note If the user attempts to repair the instrument by replacing individual components within the assembly YOKOGAWA assumes no responsibility for any consequences such as defects in instrument accuracy functionality reliability or user safety hazards YOKOGAWA does not offer more detailed maintenance
31. a dO NOW OSI WO00z8a NOW NH0088 NOW OSI 4000 88 ASSV H3NNVOS ASSY INO LOLNO LENO 8NO ZNO feet Pee ee 1 INO ELNO ELNO eriNO LN ZINO INO 1 Zzv Su 89669 109668 1 NOW 7610 OSI 0000 88 NOW 1119 zez Su 89669 ASSY WHYHY NIV i NOW OSI ND00788 NOW NH00788 Gs ougooeg 2 2 ASSV IVNIINH3 L 4 LOIN ASSY QHVO8 WHAL WWOO ZNO I SNO I INO LENO Leno i 1931 22 58 262 5 L3NH3HI3 ans 1ndino 25896689 1 I 1 ASSY 6 1 SM 04L31A01 01A 6 2 2000 Schematic Diagram 1 VDA VAL901V 89669 ZNO ENO ASSY GHVO VDA 01189669 NIN89668 318v IN
32. age current of 2 mA or less at 1 5 kV AC for 1 minute Remote terminal to earth terminal A6R A4FR SS Leakage current of 2 mA or less at 0 5 kV AC for 1 minute 24 V transmitter power supply output to earth terminal Leakage current of 10 mA or less at 0 5 kV AC for 1 minute TPS4 l Short L and N or with the P1 option T Short all channels t Short the and input terminals except for the RTD b terminal Short the even and odd channels for example short channels 1 3 5 and 2 4 6 on the CX1000 or channels 1 3 5 7 9 and channels 2 4 6 8 10 for the CX2000 and test the withstanding voltage between them Short mA PULS and C Short NO NC and C on CTRL OUT Short 1NO 1C and 2NO on DO Short DO3 DO6 and C tt Short all DI terminals tt Shortall alarm relay terminals 8 Short all remote terminals Short all transmitter power supply output terminals SM 04L31A01 01E 2 2 Test Procedures Measurement Accuracy Test Measurement Input and Control Input Check that the specifications below are met given the following operating conditions 23 2 C 55 1096 RH and a warm up time of 30 minutes Range Input Value Criterion Specifications 20 mV 20 00 mV 3 digits 0 1 of rdg 2 digits 0 00 mV 2 digits 20 00 mV 3 digits 60 mV 60 00 mV 6 digits 0 1 of rdg 2 digits 0 00 mV 2 digits 60 00 mV 6 digits 200 mV 200
33. ave Load Clear data and then Save settings Save the current panel conditions under a desired filename 3 Inthe set mode choose Save Load Clear data and then File list Verify that the file saved in step 2 exists in the list Test of Alarm Relay Contact Outputs applicable to option codes A6 A6R A4F and A4FR Insulation Resistance and Withstanding Voltage Tests Item Measured Point Specification Insulation resistance Between relay output terminals and No less than 20 MQ at 500 V DC grounding terminal Withstanding voltage As above Free from damage after applying 1500 V AC 50 60 Hz for 1 minute with breaking leakage current set to 2 mA Alarm Actions 1 Prepare the same input terminals and settings as step 1 in Digital Output page 2 8 and also adjust the alarm relay output as follows Relay Output On off Alarm Ixx Level 1 No where xx alarm output number to test 2 Verify that an alarm contact works as follows upon turning on off the corresponding relay output Terminals Normal During Alarm Remarks NO C Break Make Where the output relay action is set to NC C Make Break normally de energized factory set Test of Remote Control applicable to option codes A6R and A4FR Insulation Resistance and Withstanding Voltage Tests Item Measured Point Specification Insulation resistance Between remote control ter
34. bly P1 Mother Board Assembly ATA Drive Assembly 2000 3 Socket Screw PC Card Board Assembly Zip Drive Assembly 2000 2 Memory System Screw IDE FFC Zip Conn Board Assembly IDE Board Assembly VGA Board Assembly D5 Bracket VGA Board Assembly Magnetic Parts D5 Screw M4x14 D5 Clamp D5 SM 04L31A01 01A 7 3 CX2000 Customer Maintenance Parts List Bezel Assembly 7 75 Gm 9 o e sos PartNo m m Description 22 14 996880 1 1 FPC Guard Item PartNo 210 Description 15 9968 1 1 Key FFC 1 B8700BR 1 Key Case Assembly for English select 16 B8700BB 1 1 Sub Bezel Assembly B8700BV 1 Key Case Assembly for Japanese 17 A1067VA 1 1 LCD 2 B9968BX 1 1 Door Knob 29 A1046VZ 1 1 Back Light 3 B9900NQ 1 1 Spring 4 B9968BW 1 1 Front Plate 18 B9968ML 1 1 Inverter Cover 19 B9968BL 1 1 Stay Bracket 5 B9968BS 1 1 Front Cover 20 A1527UP 1 1 Power Supply 6 B9567AQ 1 1 Spring 21 B9968EN 1 1 Bushing 7 B9968BY 1 1 Hinge Pin 22 B9988DL 2 2 Screw 8 1 A Key Top for English select 54 24 B9968BQ 1 1 Hinge Bracket 9 B9968SK 1 1 Switch Board Assembly 29 3 3 Pie 10 9968 111 Front Case inge Bracket 11 B9968BZ 1 1 Micro Switch Pin 27 B8700DD 1 1 Blind Sheet 12 B9968AY 1 1 Packing 13 996802 5 5 Screw 28 B8700DC 111
35. completely remove the 2 terminal cover screws remove the cover then remove the wiring from the terminal block Ignore this step if the terminal block is not wired Connector Connector Screws 2 Loosen the 2 terminal block attachment screws 3 Pull the terminal block straight out and away from the unit Be careful not to bend the connector pins while removing the terminal block 4 Check the angle of the terminal block install it on the main unit and then fasten by tightening the terminal block attachment screws 5 Install the terminal cover and fasten with the terminal cover screws When Replacing Only the Control Relay To prevent electric shock unplug the main power cord before replacing the control relay To prevent electric shock when disconnecting wires ensure the main power supply is turned OFF To prevent electric shock use a withstanding voltage tester to check the withstanding voltage between the relay and the protective grounding after replacing the relay Withstand voltage 1500 VAC 1 minute You must perform an insulation resistance test and wishstand voltage test after replacing the control relay GULILL L Uc UL LEG CGUI O OOo6V L LL 1b1 1 1 OE OULUL LL O IANLLAAA pA 1TA YI I OOLLLL OO AA LA Follow the procedures below to replace the blocks 1 Loosen but do not completely remove the 2 terminal cover screws remove the cover then remove the wiring from the terminal block
36. creen appears calibration finde iust AD Input 1 A D Input Adjust 12 Pid Analog Output Adjust 2 Pid Analog Output Adjust Adjust 3 Pressthe Pid Analog Output Adjust soft key The Pid Analog Output Adjust screen is displayed Calibration Calibration Node Pid Analog Output Adjust Module Number Output Number 01 Output Value 10834 20m 54607 Use the arrow keys and soft keys to select the module number and output number to be calibrated While monitoring with a current meter change the calibration value at each Output Value 4 mA and 20 mA so that it falls within the calibration range shown in the following chart The first digit of the calibration value corresponds to 0 366211 uA w 7 4 5 Output Value Calibration Range 4 mA 3 99 mA 4 01 mA 20mA 19 99 mA 20 01 mA SM 04L31A01 01E 3 2 Control Output Calibration 6 Press the Write function key for each output number The calibration values are saved Calibration Calibration Mode Pid Analog Output Adjust Hodule Number 81 Output Number 81 Output Value m 20m 54607 Pinout Write 7 Repeat steps 4 6 and calibrate all module and output numbers 8 Press ESC You are returned to the calibration screen 9 Turn OFF the power Calibration Using Communications The commands required for control output calibration are
37. d values exit p1 Group For control input 01 05 for the CX1000 and 01 05 or 06 10 for the CX2000 For measurement input 01 06 for the CX1000 and 01 10 or 11 20 for the CX2000 p2 Type of operation End p3 Data save selection STORE Save to a file ABORT Don t save XZp1 DISPLAY Get information for calibrated values p1 Group For control input 01 05 for the CX1000 and 01 05 or 06 10 for the CX2000 For measurement input 01 06 for the CX1000 and 01 10 or 11 20 for the CX2000 SM 04L31A01 01E 3 5 sjueunsn py n 3 2 Control Output Calibration Allow the instrument to warm up for at least 30 minutes prior to calibration Instruments for Calibration DC current meter Accuracy 0 01 of rdg Resistor 250 Q 1 Overview of Calibration During calibration of the control output current output terminal each output is connected to one D A converter so you must calibrate the outputs separately The module installed in the CX1000 is 01 In the CX2000 the modules are numbered in order 01 02 03 from top to bottom Also within each module output number 01 is assigned to loop 1 and output 02 to loop 2 Calibration Procedure The calibration procedure can be carried out using keys or communications commands Calibration Using Keys 1 Connect a 250 Q 1 resistor and DC current meter in serial to the current output terminal 2 Turn ON the unit while holding down the UP arrow key The calibration s
38. e A D adjust screen is displayed Calibration Calibration Hode A D No 61 66 A D 81 85 Display 1 Display 02 Cal Exec 2 Cal Exec 3 End 5 Input the zero and full scale value to the calibration channels shown Calibrating the Input Range page 3 2 6 Pressthe Cal Exec soft key The A D adjust Cal Exe screen is displayed CAUTION If you select Display in the A D adjust screen you can confirm the calibrated value and manually input values using keys Key based manual calibration has a large effect on measurement accuracy so only perform the procedure if you think it is absolutely necessary Calibration Node A D adjust Cal Exec A D No 61 66 81 85 A D adjust range A D adjust ranae EE A D adjust data Zero Full Zero Full 2 4 anm 28nV 3 32744 7 Press the soft key corresponding to the range to be calibrated 20 mV 60 mV 200 mV etc 8 Press the ENTER key The calibration begins 9 Repeat steps 5 8 and calibrate all ranges 10 Press ESC You are returned to the A D adjust screen 11 Press the End soft key A dialog box appears asking you whether or not to save and exit Calibration Calibration Mode A D No 61 66 1 Display Do you really want to save Do you really want to save A D adjust data A D adjust data ie 12 Select Yes You are returned
39. e Zero Full Scale 20 mV 0 mV 20 60 0 mV 60 mV 200 mV 0 200 1V OV 1V 2V OV 2V 6V oV 6V 20 V OV 20V Pt100f 100 Q 300 Q T You must calibrate the 200 mV range before calibrating the RTD range SM 04L31A01 01E 3 1 sjueunsn py n 3 1 Calibration of the Measuring Instrument s Input Calibrating the Input Range For each group input the zero and full scale for the input range to the channels below and perform calibration CX1000 Voltage Range Control Number of Internal Group 2 1 5ch Control Loops Zero Full Scale 0 loops 2 loops CH1 CH2 Monitor The expression channel is not used for control input but for expediency the inputs are referred to from right to left as CH1 and CH2 respectively No of Inputs for Meas Group 1 1 6ch Zero Full Scale Zero Full Scale 6ch CH1 CH2 RTD Range Control Number of Internal Group 2 1 5ch Control Loops 100 Q 300 0 loops 2 loops CH1 CH2 Monitor The expression channel is not used for control input but for expediency the inputs are referred to from right to left as CH1 and CH2 respectively No of Measurement Group 1 1 6ch Input Channels 100 Q 300 Q CH1 CH2 CX2000 Voltage Range Control 1st Slot Number of Internal Group 1 Group 2 Control Loops Zero Full Scale Zero Full Scale 0 loop
40. e bottom of the bezel outward slightly lift the entire bezel upwards to release it from the case then swing the bottom of the bezel upwards to open it IM 04L31A01 01E 8 1 OOOLXD Ajquiassesig 10 4 BH 8 1 Removing the Bezel Note Agasketis attached to the edge of the case When reinstalling the bezel be sure that the gasket is correctly fastened A lever is attached to the right side of the bezel By hooking the lever onto the side of the case you can lock the bezel in the open position The power switch is located in the upper left as you are facing the instrument When this Switch is turned OFF it prevents power from being supplied to the instrument even when the power cord is connected Therefore be sure to turn the power switch ON before you reassemble the instrument Power Switch 8 2 IM 04L31A01 01E 8 1 Removing the Bezel Removing the Bezel 3 Remove the two flexible cables that connect the bezel to the main unit The connector utilizes a latch Pull outwards on the left and right sides of the latch to release it then pull out the cable Connector Release the bezel by pushing the latches on the left and right hinge arms using a long pointed tools such as a Phillips head screw driver With the latches pushed in pull the bezel out and remove it from the main unit Latch Hinge Arm CX with the front bezel removed IM 04L31A01 01E 0001
41. e with a blue arrow using the arrow keys Press the MODE softkey and change the operation mode to manual by choosing MAN with the up and down arrow keys and pressing DISP ENTER key to confirm it Press the RUN STP softkey and start control operation by choosing RUN with the up and down arrow keys and pressing DISP ENTER key to confirm it Press the OUT softkey Set the output ratio to 0 096 and 100 096 with the up and down arrow keys and measure each output current with an ammeter or the like Verify that the measured currents are within the ranges as shown in the table below Output Ratio 0 0 Reference Value 4 mA Allowable Range 3 984 to 4 016 mA 100 0 20 mA 19 984 to 20 016 mA Load condition 250 Q 1 Choose Output processing by following the procedures in step 1 of Current Output Accuracy Set the type of control output to Voltage pulse and the cycle time to 1 second for all the loops save the settings and change the mode to normal the type of analog output can be set freely Change the operation mode to manual and start control operation by following the procedures of steps 5 and 6 of Current Output Accuracy Press the OUT softkey Set the output ratio to 20 0 with the up and down arrow keys and observe the output voltage waveform on an oscilloscope or the like Verify that a rectangular waveform is displayed at a 1 second interval 0 2 second high and 0 8 second low a
42. efore it For the CX2000 select 1 through 4 and confirm that each brightness level is brighter than the one before it During other phases of testing as well always be checking for any abnormalities in the display that may appear Set Brightness to 3 VGA Output Function Test for the D5 Option Only Connect a VGA monitor to the VGA output terminal on the back of the CX2000 then look at the screen to check the VGA output Perform steps 1 10 above for the display function and check the results Serial Communications Function Test Only If the 1 or 2 Suffix Code is Specified for the Communications Port During this test actual communications are performed to check whether the RS 232 RS 422A 485 or other functions are operating properly However if you used serial communications successfully to carry out other tests you don t need to perform this test Perform the tests using the procedure below 1 Connect a cable between the PC and the CX1000 CX2000 If communications cannot be carried out via RS 422A 485 use an RS 232 adapter Send an arbitrary command from the PC using application software for CX1000 CX2000 series instruments or other software and confirm that the expected result occurs Battery Backup Function Test 1 e While the CX1000 CX2000 is ON set the date and time see section 3 3 Setting the Date and Time in manual IM 04L31A01 01E or IM 04L31A01 03E Turn the power OFF Wait at least one minute the
43. ent before Making External Connections Connect the protective grounding before connecting the instrument to a measurement or control unit Firnish a switch double pole type to separate the CX2000 from the main power supply in the power supply line In addition make sure to indicate that the switch is a power control for the CX2000 on the switch Switch Specifications Steady state current ranting 1 A or more inrush current rating 60 A or more Connect a fuse between 2 A and 15 A in the power supply line Safety Symbols Used on Equipment and in Manuals To avoid injury death of personnel or damage to the instrument the operator must refer to an explanation in the user s manual High temperature To avoid injury caused by hot surfaces the operator must not touch the heatsink Protective grounding terminal to protect against electrical shock This symbol indicates that the terminal must be connected to ground before operation of equipment This symbol represents a functional grounding terminal Such terminals should not be used as a protective grounding terminal A WARNINGi sign calls attention to a procedure practice or condition that could result in the injury or death of personnel if not correctly performed or adhered to P CAUTION A CAUTION sign calls attention to a procedure practice or condition that could result in damage to or the destruction of part of the instrument if not correctly performed or
44. evel 1 No where xxx digital output number to test 3 Verify that a digital output turns on using an appropriate tester with the following circuit 1x 50 mA R DO terminal C 4 JAV LED 1 1 V lt 24V DC 1 1 1 1 Test of Power Supply Voltage Switching Change the power supply voltage to 240 V AC and verify that the UUT display does not malfunction Note that this test does not apply to the 24 V AC DC driven model option code P1 Test of Ethernet Interface Use a computer in which the standard software DAQSTANDARD for is installed and that has an Ethernet communication function for the following test Run the launcher program Select Ethernet in the network settings and make the communication settings Then verify that the settings of the UUT such as the ranges can be set up correctly as well as those settings can be read from the computer using the settings software Test of Storage Drive 1 Insert a formatted disk into the drive of the UUT 2 Inthe set mode 1 choose Save Load Clear data and then Save settings Save the current panel conditions under a desired filename 3 Inthe set mode choose Save Load Clear data and then File list Verify that the file saved in step 2 exists in the list 2 8 SM 04L31A01 01E 2 2 Test Procedures Test of Storage Drive 1 Insert a formatted disk into the drive of the UUT 2 In the set mode 1 choose S
45. ing the Terminal Assembly The service manual is to be used by properly trained personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Refer to the safety precautions prior to performing any servicing Even if servicing is carried out according to this service manual or by qualified personnel YOKOGAWA assumes no responsibility for any result occurring from that servicing CAUTION When removing the assembly be sure to disconnect the power cable from the outlet before doing so 1 Remove the screws from the upper right and lower left of the two terminal assemblies 2 Pull out the terminal assemblies 8 10 IM 04L31A01 01E
46. listed below For other necessary commands see Calibration Using Communications page 3 5 in section 3 1 Calibrating the Measuring Instrument Input Perform step 1 of Calibration Using Keys before using these commands for calibration For OUTPUT ZZp1 p2 p3 p4 1 Action OUTPUT p2 Module number 1 for the CX1000 or 1 3 for the CX2000 p3 Output channels 1 and 2 p4 4 mA 20 mA p5 Calibration value For 4 mA 9285 12561 For 20 mA 46421 62804 For WRITE ZZp1 p2 p3 p4 p1 Action OUTPUT WRITE p2 Module number 1 for the CX1000 or 1 3 for the CX2000 p3 Output channels 1 and 2 p4 Calibration value for 4 mA 9285 12561 p5 Calibration value for 20 mA 46421 12561 Note When specifying WRITE you can omit p4 and p5 If you do so the currently set calibration value is written SM 04L31A01 01E 3 7 sjueunsn py n Chapter 4 Replacing Parts 4 1 Replacement of the Control Output Terminal Block Module Parts List Replacement of terminal blocks and control relays are to be carried out by engineers authorized by YOKOGAWA When replacement becomes necessary please contact your nearest dealer or YOKOGAWA representative CX1000 Part No Name Option Code Model B8700GA Alarm Module A6 B8700GB Alarm Remote Module A6R B8700GC Alarm Fail Module A4F B8700GD Alarm Remote Fail Module A4FR B8700FT CTRL Module 2 Loo
47. minals and No less than 20 MO at 500 V DC grounding terminal Withstanding voltage As above Free from damage after applying 500 V DC for 2 minute with breaking leakage current set to 2 mA Remote Control Actions Assign individual functions to 8 remote control inputs then short circuit each of those inputs in turn and verify that the CX1000 CX2000 is controlled as specified Test of 24 VDC Transmitter Power Output applicable to option code TPS4 Test of Insuration Resistance and Withstanding Voltage Insulation resistance Between 24 VDC output terminals and No less than 20 MO at 500 VDC grounding terminal As above Free from damage after applying 500 VAC 50 60 Hz for 1 minute with breaking leakage current set to 10 mA Withstanding voltage Between 24VDC output terminals Free from damage after applying 500 VAC 50 60 Hz for 1 minute with breaking leakage current set to 10 mA SM 04L31A01 01E 2 9 23 CTRL Module Assembly Tests This section describes the test procedure for CTRL MODULE ASSY B8700CL B8700CM B8700CN and B8700FT which is used on the CX2000 This test is not necessary if you will perform the general tests in section 2 2 Perform this test on the module by itself Test Instruments Instrument Specifications DC current meter Accuracy 0 01 of rdg Withstanding voltage tester AC 1 to kV 500 VDC Oscilloscope 200 kS s or more isolated input
48. n Test Only When The 1 Or 2 Suffix Code Is Specified For The Communications Port Battery Backup Function Test Continuous Operation Test Current Output Accuracy Test Voltage Pulse Output Test Control Output Relay Test DIO Test KEY Function Test Media Function Test Alarm Relay Output Function Test Only If The A6 A6R A4F Or A4FR Option Is Installed Remote Function Test Only If The A6R Or A4FR Option Is Installed Communications Function Test Ethernet Test of 24 VDC Transmitter Power Output Only If The TPS4 Is Installed Consult your nearest Yokogawa representative regarding the following tests Power Supply Frequency Detection Function Test Memory Test 2 2 SM 04L31A01 01E 2 2 Test Procedures Insulation Resistance Test Perform this test using a DC 500 V insulation resistance meter and confirm that the results meet the criteria below Terminals Reference Values Notes Power terminal to earth terminal 100 MQ or higher Short all channels prior to test Measurement input terminal to earth terminal Control input terminal to earth terminal RS 422 A 485 SG terminal to 100 or higher Test only if the basic RS 422 A 485 FG terminal specification code for the communications port is 2 Ethernet input output terminal to earth terminal 100 MQ or higher Short all terminals prior to test Withstand Voltage Test Perform the test using a withstanding voltage tester and co
49. n turn the power back ON Confirm that the date and time set in step 1 are correct Continuous Operation Test 1 gc om Enter the following settings Enter AUTO SAVE to the media see section 9 1 of the manual IM 04L31A01 01 Setall channels to a range of 20 V see section 4 6 of the manual IM 04L31A01 01 Setinput to open Setdisplay type to waveform display see section 1 16 of the manual IM 04L31A01 01 Press the START key Run the instrument continuously for 24 hours or more Press the STOP key Check the following Thata data file was created in the MEDIA INFO screen see section 4 6 of the manual IM 04L31A01 01E Thatthere is no abnormal variation in the straight line waveform Thatthere is no other strange sound or odor coming from the instrument 2 6 SM 04L31A01 01E 2 2 Test Procedures Current Output Accuracy 1 Voltage Pulse Output Control Relay Output 1 1 Change the mode to setup and choose Control Control action and then Input setting Set the control mode to Single Press the ESC key to return to the preceding menu and choose Output processing Set the type of control output to Current output and analog output to 4 20 mA for all the loops save the settings and change the mode to normal the cycle time can be set freely Press the DISP ENTER key and choose Control and then Control groups to display the control display Choose a loop number to measur
50. nd 12 5 Choose Output processing by following the procedures in step 1 of Current Output Accuracy Set the type of control output to On Off control for all the loops save the settings and change the mode to normal the cycle time and type of analog output can be set freely Change the operation mode to manual and start control operation by following the procedures of steps 5 and 6 of Current Output Accuracy Press the OUT softkey Set the output ratio to 0 0 and 100 0 with the up and down arrow keys and verify that the relay outputs are as follows Output Ratio NO C NC C 0 0 Break Make 100 0 Make Break SM 04L31A01 01E 2 7 2 2 Test Procedures Test of Digital Input Output not applicable for models CXx0xx Digital Input 1 Press the DISP ENTER key and choose CONTROL and then DI DO STATUS 2 digital input terminals are divided into blocks Short circuit between the common terminal and the terminals and check the DI status display The indicator is green for an open circuit and red for a short circuit Digital Output 1 Short circuit input terminals of all channels and adjust the range and alarm setting as follows Mode Voltage Range Range 2 Span 2 000 to 2 000 m On level 1 Type H Value 1 000 2 Prepare the same input terminals step 1 and adjust the alarm relay output as follows Relay Output On Alarm DOxxx and ROxxx L
51. nfirm that the results meet the criteria below and that the instrument does not malfunction Terminal Reference Values AC power terminal to earth terminal Leakage current of 10 mA or less at 1 5 kV AC for 1 minute DC power terminal to earth terminal P1 Leakage current of 10 mA or less at 0 5 kV AC for 1 minute Measurement input terminal to earth terminalt Leakage current of 2 mA or less at 1 5 kV AC for 1 minute Control input terminal to earth terminalt Leakage current of 2 mA or less at 1 5 kV AC for 1 minute Between measuring input terminals Leakage current of 1 mA or less at 1 kV AC for 1 minute Between control input terminals Leakage current of 1 mA or less at 1 kV AC for 1 minute Current and voltage pulse to earth terminal Leakage current of 2 mA or less at 1 kV AC for 1 minute Control relay terminal to earth terminal 2 4 and 6 loop models Leakage current of 2 mA or less at 1 5 kV AC for 1 minute DO relay terminal to earth terminal 2 4 and 6 loop models Leakage current of 2 mA or less at 1 5 kV AC for 1 minute DO Tr terminal to earth terminal 2 4 and 6 loop models or CST1 Leakage current of 2 mA or less at 0 5 kV AC for 1 minute D1 terminal to earth terminal 2 4 and 6 loop models or CST1 ft Leakage current of 2 mA or less at 0 5 kV AC for 1 minute Alarm relay terminal to earth terminal 6 A6R A4F A4FR Leak
52. ontact output Control Alarm output consists of 12 points of transistor contact output Control Output Section Control Output The following types are available for universal control output Current output continuous PID control output Continuously output a current analog signal proportional to the calculated PID values Time proportional PID voltage pulse output Output an ON OFF signal having a pulse width proportional to the time as a voltage per the calculated PID values On Off control relay contact output Output an ON OFF signal having a pulse width proportional to the time at a relay contact point per the calculated PID values Output an ON OFF signal to a relay contact point corresponding to the sign of the deviation in the measured value from the specified target value Contact Input Input for designated operations such as start stop Activate using a no voltage contact or open collector signal Contact Output Control Alarm output consists of relay contact output and transistor contact output IM 04L31A01 01E 1 3 sejdiouud B Chapter2 Testing 2 1 Overview of Tests The following describes general testing procedures for DAQSTATION CX1000 CX2000 ES series instruments For tests on specific modules or assemblies see sections 2 3 and later 4 H Operating Conditions a Ambient Temperature 23 2 C Relative Humidity 55 20 Test Instruments
53. out function optional ioptona easurement Alarm Relay optiona Erensmerpowersuppy optional Domo purpose Refer for details see schematic diagram page 6 1 and 6 2 IM 04L31A01 01E 4 sajdioulid 1 2 Input Section A D Assembly Input Terminal The A D assembly has items such as a programmable gain amp voltage reference PWM modulator current source for RTD measurements differential amp voltage source for RJC serial parallel converter control logic and an occurred scanner SSR control signal The A D assembly uses a sinewave oscillating type self resonant switching power supply DC DC converter and noise filtering is achieved by signal integration The A D assembly detects the frequency of the power while it is ON and the integrated time becomes 20 ms or 16 67 ms Therefore it carries a very high rate of noise rejection for the power frequency in auto mode In case the power frequency of the instrument and of the measured object are different the appropriate integrated time is manually selectable In case of the CX2000 the selection of 100 ms for 50 60 Hz is also available A 16 bit resolution is achieved regardless of the integrated time The internal printboard is isothermal because a print board with a metal core is being used Therefore stable reference junction compensation is realized Scanner Assembly An in house SSR solid state
54. p CX1206 B8700FP CTRL MEAS 0 Loop Module Assembly CX1006 not N2 B8700FQ CTRL MEAS 2 Loop Module Assembly CX1206 not N2 B8700FR CTRL MEAS 0 RTD Module Assembly CX1006 N2 B8700FS CTRL MEAS 2 RTD Module Assembly CX1206 N2 CX2000 Part No Name Option Code Model B8700CL CTRL 2 Loop Module Assembly CX22xx CX24xx CX26xx B8700CM CTRL 4 Loop Module Assembly CX24xx CX26xx B8700CN CTRL 6 Loop Module Assembly CX24xx CX26xx B8700CY DIO Module Assembly CST1 B8700CX Alarm Terminal Assembly A6 B8700CZ Alarm Terminal Assembly A6R B8700CJ Alarm Terminal Assembly TPS4 B8700DX Alarm Terminal Assembly A4F B8700DZ Alarm Terminal Assembly A4FR B8700CP CTRL Input 2 Loop Module Assembly CX22xx B8700CQ CTRL Input 4 Loop Module Assembly CX24xx B8700CR CTRL Input 6 Loop Module Assembly CX26xx B8700CS 10ch Input Module Assembly CX2x10 CX2x20 B8700CU 10ch 3RTD Input Assembly CX2x10 CX2x20 N2 B8700CT 20ch Input Module Assembly CX2x20 B8700CV 20ch 3RTD Input Assembly CX2x20 N3 SM 04L31A01 01E Sed Duroejdou B 4 1 Replacement of the Control Output Terminal Block Module Replacement of Each Terminal Block Module To prevent electric shock cut the power to the main unit and disconnect any wiring that may be connected to it before replacing the terminal block To prevent electric shock when disconnecting wires ensure the main power supply is turned OFF Follow the procedures below to replace the blocks 1 Loosen but do not
55. p M AD Assembly CX1206 not N2 ISO MON AD Assembly CX1006 N2 ISO C amp M AD Assembly CX1206 N2 MON Scanner Assembly CX1006 not N2 select C amp M Scanner Assembly CX1206 not N2 select ISO MON Scanner Assembly CX1006 N2 ISO C amp M Scanner Assembly CX1206 N2 CPU Board Assembly CPU Board Assembly Display Board Assembly Memory Assembly Name Plate Memory Board amp Battery Assembly Memory Board Assembly Battery Assembly Rivet Clamp COMM Board Assembly 1006 0 1 COMM Board Assembly 1006 0 2 select COMM Board Assembly 1006 0 0 COMM Board Bracket COMM Board Assembly 1006 0 1 COMM Board Assembly CX1 206 2 2 elec COMM Board Assembly 1 6 0 Gel Sheet 1006 0 0 1006 0 1 Gel Sheet CX1006 0 2 select S Power Assembly not P1 S Power Assembly P1 select Power Bracket Cover not P1 Power Bracket Cover P1 Sub Pow Board Assembly not P1 24V Power Board Assembly P1 Power Supply not P1 DC Power Board Assembly select Power Bracket Base Mother Board Assembly Drive Assembly 1006 1 Sheet Sheet FDD Drive Assembly Memory System Screw FDD Board Assembly FDD FCC ATA Drive Assembly 1006 3 Socket Screw PC Card Assembly Zip Drive Assembly 1006 2 Sheet Zip Drive Assembly Memory System Screw Zip Conn Board Assembly Note IDE Board Assembly O CMPL Parts IDE FFC SM 0
56. ply with these requirements Use the Correct Power Supply Ensure the source voltage matches the voltage of the power supply before turning ON the power Use the Correct Power Cord and Plug To prevent an electric shock or fire be sure to use the power supply cord recommend by YOKOGAWA The main power plug must be plugged in an outlet with a protective grounding terminal Do not invalidate protection by using an extension cord without protective grounding Connect the Protective Grounding Terminal The protective grounding terminal must be connected to ground to prevent an electric shock before turning ON the power Do Not Impair the of Protective Grounding Never cut off the internal or external protective grounding wire or disconnect the wiring of the protective grounding terminal Doing so creates a potential shock hazard Do Not Operate with Defective Protective Grounding Do not operate the instrument if you suspect the protective grounding might be defective SM 04L31A01 01E Do Not Operate Near Flammable Materials Do not operate the instrument in the presence of flammable liquids or vapors Operation of any electrical instrument in such an environment constitutes a safety hazard Do Not Remove Any Covers There are some areas components inside the instrument containing high voltage Do not remove any cover if the power supply is connected The cover should be removed by qualified personnel only Ground the Instrum
57. relay is being used for the scanner The SSR having a semiconductor switch has a withstand voltage as high as 1500 V and a leakage current of only 1 nA For that reason it has the following features Semrinfinite life due to the absence of mechanical contacts Silent operation No occurrence of thermoelectric power On the other hand compared to a mechanical relay the SSR has the disadvantage of a bigger ON resistance and OFF capacity As a result RTD measurement and noise resistance characteristics are affected Regarding RTD measurements a differential amp was inserted into the previously mentioned analog circuit without increasing the number of parts so that it would receive no influence from ON resistance For RTD measurements in Measurement input section there is generally no insulation between channels For RTD measurements in Control input section there is generally insulation between channels Data Storage Functions Display Unit For storing data the CX1000 CX2000 has 1 2 MB of internal memory and is equipped with a Zip drive or an ATA flash memory card drive The measured data can also be saved to external storage media such as floppy disks Zip disks and ATA flash memory cards The CX has a 5 5 inch CX1000 or 10 4 inch CX2000 TFT color LCD on which it displays the measured results 240 vertical x 320 horizontal pixels for the CX1000 or 480 vertical x 640 horizontal pixels for the CX2000 1 2
58. s mE z 2 loops CH1 CH2 Loops 4 6 CH1 CH2 CH6 CH7 Monitor 2nd 3rd Slot No of Inputs for Meas Group 1 Group 2 Zero Full Scale Zero Full Scale 10 ch CH1 CH2 20 ch CH1 CH2 CH11 CH12 3 2 SM 04L31A01 01E 3 1 Calibration of the Measuring Instrument s Input RTD Range Control 1st Slot Number of Internal Group 1 Group 2 Control Loops 1000 3000 1000 3000 0 loops 2 loops CH1 CH2 Loops 4 6 CH1 CH2 CH6 CH7 Monitor 2nd 3rd Slot Model Group 1 Group 2 1000 3000 1000 3000 10 ch CH1 CH2 20 ch CH1 CH2 CH11 CH12 Calibration Procedure A D No The calibration procedure can be carried out using keys on the instrument or communications commands Calibrating Using Keys 1 Turn ON the unit while holding down the UP arrow key The calibration screen appears 1 A D Input Adjust 2 Pid Analog Output Adjust 1 2 2 Press the A D Input Adjust soft key The A D adjust screen is displayed WD adjust 61 66 01 05 Calibration Adjust ljust WI AD Input Adjust Calibration Mode 02 Pid Analog Output Adjust 06 18 01 05 06 10 shows control input and 01 10 11 20 shows measurement input 11 28 3 Select a group to calibrate 01 05 06 10 01 10 11 20 SM 04L31A01 01E 3 3 sjueunsn py n 3 1 Calibration of the Measuring Instrument s Input 4 Press the ENTER key Th
59. tatic proof surface Note Be careful not to scratch the LCD screen when handling it 6 Remove the two screws as shown then remove the rear cover Note Only use a screw driver that precisely fits the screws 7 Remove the four screws from the sides of the LCD screen as shown 8 8 IM 04L31A01 01E 8 4 Replacing the Backlight 10 11 Note 12 Note Remove the four screws from the inside corners of the LCD as shown Remove the two contact segments one at a time by grasping them with tweezers Contact segment Bracket Connector FFC Contact segment Remove the FFC and lump cable from their connectors Slowly lift the bracket upward to remove the bracket assembly Take care not to damage any components on the inverter or signal processing boards Be careful not to damage the FFC LCD assembly with the bracket assembly removed Contact segment Being careful not to damage any surrounding parts grasp the backlight and slowly pull it out If the backlight is broken be careful not to touch any glass shards when removing it Also check for glass shards that may have fallen into the lamp holder or other areas and remove them Dirt and grime on the backlight and LCDs can cause unevenness in display intensity Be sure to keep these devices clean as you handle them LCD assembly with the backlight removed IM 04L31A01 01E OOOLXD Ajquiassesig 10 4 BH 8 5 Remov
60. tion the replacement of assemblies offers the user the possibility to use YOKOGAWA instruments more effectively and economically with a minimum in downtime Zip is a trademark or registerd trademark of lomega Corporation in the United States and or other countries Adobe and Acrobat are trademarks of Adobe System incorporated Disk No SM13 2nd Edition August 2002 YK All Rights Reserved Copyright 2002 Yokogawa Electric Corporation SM 04L31A01 01E 1 Introduction This manual contains information for servicing YOKOGAWA s DAQSTATION CX1000 CX2000 Note This is the second edition of the manual dated August 2002 This service manual is to be used by properly trained personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Refer to the safety precautions prior to performing any service Even if servicing is carried out according to this service manual or by qualified personnel YOKOGAWA assumes no responsibility for any result occurring from this servicing Safety Precautions The following general safety precautions must be taken during all phases of operation service and repair of this instrument Failure to comply with these precautions or with specific WARNINGS given elsewhere in this manual violates safety standards of design manufacture and intended use of the instrument Yokogawa Electric Corporation assumes no liability for the customer s failure to com
61. to the A D adjust Cal Exe screen 13 Repeat steps 3 12 to calibrate and save calibrated values for each group 14 When you are finished with all procedures turn the power OFF 3 4 SM 04L31A01 01E 3 1 Calibration of the Measuring Instrument s Input Calibration Using Communications The calibration process proceeds as follows 1 Enter Calibration mode 2 Perform calibration 3 Store the calibrated values 4 Return to operation mode The commands necessary for calibration are listed below For the input connection method see Input Range Calibration on page 3 2 DSp1 Switch to setting mode 0 Switch to operation mode 1 Switch to Set up mode 2 Switch to A D calibration mode XZp1 p2 p3 Perform A D calibration Cal Exe p1 Group For control input 01 05 for the CX1000 and 01 05 or 06 10 for the CX2000 For measurement input 01 06 for the CX1000 and 01 10 or 11 20 for the CX2000 p2 Type of operation Cal Exec p3 Calibration range 20 mV 60 mV 200 mV 1 V 2 V 6 V 20 V Pt100 XZp1 p2 p3 p4 p5 Manual correction of A D calibration value Display p1 Group For control input 01 05 for the CX1000 and 01 05 or 06 10 for the CX2000 For measurement input 01 06 for the CX1000 and 01 10 or 11 20 for the CX2000 p2 Type of operation Display p3 Calibration range 20 mV 60 mV 200 mV 1 V 2 V 6 V 20 V Pt100 p4 Zero input value p5 Full scale input value XZp1 p2 p3 Store the calibrate
62. ve removed IM 04L31A01 01E 8 5 OOOLXD Ajquiassesig 10 seanpeo2oJg BH 8 3 Removing the Keyboard 4 Remove the bezel see section 8 1 Remove the two screws attaching the aluminum sheet to the back of the bezel Remove the keyboard flat cable rivet When removing the rivet first pull out the pin um Sheet Use the tip of a pen to push in the hinge pin on the left side of the Key Case assembly then pull the assembly toward you to remove it Be careful not to damage the flat cable when removing the assembly Remove the two front case screws from the back of the key board Tightening torque 0 5 0 6 Nm 5 6 kgf cm The front case is snapped on to the front cover Use a tool such as a flathead screwdriver to pry open the front case and remove it 8 6 04L31A01 01E 8 3 Removing the Keyboard Disassembled Key Case Assembly F IM 04L31A01 01E 8 7 0001 2 Ajquiassesig 10 s np 5o q BH 8 4 Replacing the Backlight 1 Remove the bezel see section 8 1 2 Remove the two screws attaching the aluminum sheet on the back of the bezel and the rivet that fastens the flat cable see section 8 3 Aluminum Sheet Bracket Earth Bracket 3 Remove screw numbers 1 3 as shown then remove the Earth bracket 4 Remove screw number 4 then remove the Display bracket 5 Remove the LCD screen from the plastic screen cover and set the LCD screen down on a s

DAQSTATION CX1000/CX2000 Service Manual

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