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Chapter Five: Operation

How To Interface to the Type 274 Multiplexer

69

How To Interface to the Type 274 Multiplexer

The 670 instrument can interface to the Type 274 multiplexer and display the pressure signal
from up to three pressure transducers, individually. Figure 16, page 69, shows the 670
instrument connected to a 274 multiplexer.

Connecting the Cables

1. Disconnect the power cords from the 670 instrument and the 274 multiplexer.

3

2

1

9

6

5

1

11

5

V

On

Off

Power

50 - 60 Hz

75 VA Max

Fuses

180 - 264 V

0.315A (T)

90 - 132 V

0.63A (T)

Voltage

Fuses

Se

ri

a

l I

n

te

rf

a

c

e

I/

O

9

15

9

81

5

6

1

19

37

1

20

Type 670

Type 274

Pressure Transducer

9

5

6

1

9

5

6

1

9

5

6

1

9

6

5

1

15

9

81

15

9

81

ACCESSORY

ELEC

CH 3

CH 2 CH 1

DVM

REMOTE

CB270-2

CB270-2

CB670-1(shown) or CB670-2 (Y-cable)

S

ig

nal

He

ad

4

Figure 16: Connecting to a Type 274 Multiplexer

2. Use a CB670-X cable to connect the I/O connector on the 670 instrument to the DVM

connector on the 274 multiplexer.

The I/O connector is a 37-pin female connector; the DVM connector is a 25-pin female
connector. The CB670-1 cable is a straight cable; the CB670-2 cable is a Y-cable that
allows access to the trip point relays, and the remote functions (zero, range select, and
trip point latching). Refer to Appendix D: Interface Cables for a Type 274 Multiplexer,
page 145, for a description of the cables.

3. Use a CB270-2 cable(s) to connect the pressure transducer(s) to the “CH 1,” “CH 2,” or

“CH 3,” connector(s) on the 274 multiplexer.

4. Use a CB270-2 cable to connect the Head connector on the 670 instrument to the ELEC

connector on the 274 multiplexer.

The Head connector (upper connector on the Signal Conditioner board) is a 15-pin
female connector; the ELEC connector is a 15-pin male connector.

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Содержание 670B

Страница 1: ...s underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos...

Страница 2: ...Accuracy Signal Conditioner Six Shattuck Road Andover MA 01810 2449 800 227 8766 or 978 975 2350 Fax 978 975 0093 E mail mks mksinst com Web site http www mksinst com Artisan Technology Group Quality...

Страница 3: ...ve and sole remedy of the purchaser for any breach by MKS of this warranty The purchaser before returning any equipment covered by this warranty which is asserted to be defective by the purchaser shal...

Страница 4: ...120466 P1 Rev B 1 98 MKS Type 670B High Accuracy Signal Conditioner Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 5: ...any form or by any means electronic or mechanical including photocopying and recording or by any information storage or retrieval system except as may be expressly permitted in writing by MKS Instrum...

Страница 6: ...l 10 Mesures de s curit et mises en garde 11 Informaci n sobre seguridad 13 S mbolos usados en el manual de instrucciones 13 S mbolos que aparecen en la unidad 14 Procedimientos y precauciones de segu...

Страница 7: ...Point LEDs 32 Range Selector Keys 32 Channel Selector Lights 32 Cursor Key 32 Adjust Knob 32 Arrow Keys 32 Rear Panel 33 Serial Interface or IEEE 488 Connector 34 I O Connector 36 Pressure Output Sig...

Страница 8: ...Key 60 Null 60 Full Scale 60 System Check Calibration 61 The ZERO Key 62 Zero Enable 62 Zero Calibration 62 The AUTO and Range Keys 64 Chapter Five Operation 67 How To Configure the 670 Instrument 67...

Страница 9: ...e 83 Chapter Six RS 232 Communications Option 85 General Information 85 Communication Parameters 85 RS 232 Protocol 86 Message Syntax 86 Commands 86 Requests 87 Responses 87 RS 232 Messages 89 Global...

Страница 10: ...nd Troubleshooting 127 General Information 127 How To Clean the Unit 127 How To Replace the Fuses 128 Troubleshooting 130 Troubleshooting Chart 132 Test A Localizing Malfunction to the Cable or the El...

Страница 11: ...nts viii Appendix D Interface Cables for a Type 274 Multiplexer 145 I O Connector Cables 145 CB670 2 Y Cable 145 Index 149 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www...

Страница 12: ...e Rear Panel 41 Figure 10 Serial Number Label 41 Figure 11 Averaging with 5 Data Points 51 Figure 12 Hysteresis Bands Applied to the Trip Point Values 56 Figure 13 Hysteresis Bands and Trip Point Valu...

Страница 13: ...List of Figures x Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 14: ...anel Keys 43 Table 13 Instrument Response Settings 46 Table 14 Optimal Averaging and Response Entries 52 Table 15 Action of the Trip Points 54 Table 16 Relationship Between Averaging Entry and Calibra...

Страница 15: ...ssages 121 Table 35 IEEE 488 Diagnostic Messages 124 Table 36 Fuses for the Type 670 Instrument 128 Table 37 Transducer Cable Voltage Check 134 Table 38 Electronics Unit Voltage Check 136 Table 39 Ini...

Страница 16: ...performed or adhered to could result in injury to personnel Caution The CAUTION sign denotes a hazard It calls attention to an operating procedure practice or the like which if not correctly performe...

Страница 17: ...5020 Equipotentiality IEC 417 No 5021 Direct current IEC 417 No 5031 Alternating current IEC 417 No 5032 Both direct and alternating current IEC 417 No 5033 a Class ll equipment IEC 417 No 5172 a Thre...

Страница 18: ...grounded through the grounding conductor of the power cord To avoid electrical shock plug the power cord into a properly wired receptacle before connecting it to the product input or output terminals...

Страница 19: ...THE PROPER FUSE Use only a fuse of the correct type voltage rating and current rating as specified for your product DO NOT OPERATE IN EXPLOSIVE ATMOSPHERES To avoid explosion do not operate this prod...

Страница 20: ...EMUKEJVKIWPI W TRGTXGTNGV WPI H JTGP MCPP 8QTUKEJV Das Symbol VORSICHT weist auf eine Gefahrenquelle hin Es macht auf einen Bedienungsablauf eine Arbeitsweise oder eine sonstige Gegebenheit aufmerksam...

Страница 21: ...19 Rahmen oder Chassis IEC 417 Nr 5020 quipotentialanschlu IEC 417 Nr 5021 Gleichstrom IEC 417 Nr 5031 Wechselstrom IEC 417 Nr 5032 Wechselstrom und Gleichstrom IEC 417 Nr 5033 a Ger teklasse II IEC 4...

Страница 22: ...t da alle Sicherheitseinrichtungen voll funktionsf hig bleiben Wartung nur durch qualifizierte Fachleute Das Geh use des Instruments darf vom Bedienpersonal nicht ge ffnet werden Das Auswechseln von B...

Страница 23: ...Pr fvermerk einer zust ndigen Pr fstelle tragen z B VDE Semko oder SEV Richtige Stromquelle verwenden Dieses Produkt ist f r eine Stromquelle vorgesehen bei der die zwischen den Leitern bzw zwischen...

Страница 24: ...KQP KPEQTTGEVG QW FG PQP TGURGEV FGU EQPUKIPGU VVGPVKQP L indication ATTENTION signale un danger potentiel Elle est destin e attirer l attention sur une proc dure une utilisation une situation ou tout...

Страница 25: ...9 Masse IEC 417 No 5020 Equipotentialit IEC 417 No 5021 Courant continu IEC 417 No 5031 Courant alternatif IEC 417 No 5032 Courant continu et alternatif IEC 417 No 5033 a Mat riel de classe II IEC 417...

Страница 26: ...areil ne doit pas enlever le capot de l appareil Le remplacement des composants et les r glages internes doivent tre effectu s uniquement par un personnel d entretien qualifi MISE LA TERRE DE L APPARE...

Страница 27: ...r une source de courant lectrique n appliquant pas une tension entre les conducteurs d alimentation ou entre les conducteurs d alimentation et le conducteur de terre sup rieure celle sp cifi e dans le...

Страница 28: ...UG EQTTGEVCOGPVG RQFT C ECWUCT NGUKQPGU C NQU GORNGCFQU 2TGECWEK P El s mbolo de PRECAUCI N indica un riesgo Pone de relieve un procedimiento pr ctica etc de tipo operativo que de no realizarse u obse...

Страница 29: ...C 417 N 5019 Caja o chasis IEC 417 N 5020 Equipotencialidad IEC 417 N 5021 Corriente continua IEC 417 N 5031 Corriente alterna IEC 417 N 5032 Corriente continua y alterna IEC 417 N 5033 a Equipo de cl...

Страница 30: ...DOS Los operarios no deben retirar las cubiertas del instrumento El cambio de piezas y los reajustes internos deben efectuarlos nicamente t cnicos especializados PUESTA A TIERRA DEL INSTRUMENTO Este i...

Страница 31: ...o debe funcionar a partir de una fuente de alimentaci n el ctrica que no aplique m s voltaje entre los conductores de suministro o entre uno de los conductores de suministro y la puesta a tierra que e...

Страница 32: ...ed by using the front panel only During LOCAL mode operation the RS 232 port and the IEEE 488 bus can be used to report status information Remote communication commands to change operating parameters...

Страница 33: ...nstrument and its functionality Chapter Four Functional Overview outlines the software features and functions Chapter Five Operation describes how to use the Type 670 instrument and explains all its f...

Страница 34: ...nel Keys Keys on the front panel of the 670 instrument appear in square brackets with leading spaces for example Press the ENTER key Operating Mode The operating mode appears in small capital letters...

Страница 35: ...ument to MKS please obtain an ERA Number Equipment Return Authorization Number from the MKS Calibration and Service Center before shipping The ERA Number expedites handling and ensures proper servicin...

Страница 36: ...he MKS Service Center before shipping Please refer to the inside of the back cover of this manual for a list of MKS Calibration and Service Centers Unpacking Checklist Caution Only qualified individua...

Страница 37: ...r plus one to connect the 670 to the 274 unit CB670 1 or CB670 2 cable to connect the 670 instrument to a 274 multiplexer use the CB670 2 if you need to access the trip point relays and latching remot...

Страница 38: ...n overall metal braided shielded cable properly grounded at both ends is required during use to meet CE specifications 2 To order a metal braided shielded cable add an S after the cable type designati...

Страница 39: ...ription RS 232 CB146 2 10 IBM compatible 9 pin female to 9 pin female 10 ft CB146 4 25 pin adapter 25 pin female to 9 pin male IEEE 488 CB288 4 3 IEEE 488 cable 1 meter length CB288 4 7 IEEE 488 cable...

Страница 40: ...flying leads at one or both ends it is important at each such end to ground the shield before the wires exit Make this ground with absolute minimum length Refer to Figures 1 and 2 page 26 A inch piece...

Страница 41: ...using Optional Plastic or Metal Cable Clamp For Physical Strain Relief Figure 1 Preferred Method Example 2 Alternate Method To Connect Cable shown on a transducer Transducer Overall Insulation if pres...

Страница 42: ...ould damage the instrument Safety Conditions The 670 unit poses no safety risk under the following environmental conditions Altitude up to 2000 m Maximum relative humidity 80 for temperatures up to 31...

Страница 43: ...Ch 1 X 1 Ch 2 X 0 1 Ch 3 X 0 01 Cal Auto Zero Type 670 Signal Conditioner Menu Adjust Parameters Enter Setup 3 48 0 008 88 4 0 20 8 80 0 008 223 5 0 20 9 45 0 008 240 0 0 20 3 00 0 008 76 2 0 0 20 Fig...

Страница 44: ...wo Installation Dimensions 29 8 00 0 02 9 07 0 02 10 35 Max 203 2 0 51 230 1 0 51 262 9 Figure 5 Top View Dimensions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artis...

Страница 45: ...Dimensions Chapter Two Installation 30 This page intentionally left blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 46: ...TTL logic control When the Key Lock switch is in the LOCAL position the 670 instrument responds to commands entered through the front panel It will respond to status requests only not commands sent th...

Страница 47: ...4 Channel Selector Lights The channel selector lights illuminate to indicate the selected channel When the 670 instrument is connected to a single transducer Ch 1 is always illuminated and neither fro...

Страница 48: ...Power Switch Head Signal I O 4 3 Serial Interface Fuse Location Figure 7 The Rear Panel with RS 232 Communications IEEE 488 Connector I O Connector Signal Conditioner Board Blank I O Signal Head Head...

Страница 49: ...k switch on the front panel of the 670 instrument in the REMOTE position Serial Interface RS 232 Connector The Serial Interface connector is a 9 pin male Type D connector The pinout of the connector i...

Страница 50: ...urn on pin 24 6 DAV Data Valid 7 NRFD Not Ready for Data 8 NDAC No Data Accepted 9 IFC Interface Clear 10 SRQ Service Request 11 ATN Attention 12 SHIELD Shield 13 DIO5 Data Input Output 5 14 DIO6 Data...

Страница 51: ...e heater power on the 274 multiplexer Use either a CB670 1 or CB670 2 cable to connect the I O connector to the 274 multiplexer Refer to How To Interface to the Type 274 Multiplexer page 69 for a desc...

Страница 52: ...hannel 2 10 Latch TP A 29 Select Channel 1 11 Reserved 30 15 V 12 Remote Zero 31 15 V 13 Reserved 32 Power Ground 14 Channel 3 ID 33 Reserved 15 Channel 2 ID 34 Reserved 16 Channel 1 ID 35 Analog Grou...

Страница 53: ...oner Board Pin Number Assignment 1 Chassis Ground 2 Analog Common 3 Heater Return 38 V 4 Mux Input 5 No Connection 6 Signal Return 7 Signal Input 8 Heater 38 V 9 13 V 10 13 V 11 No Connection 12 Reser...

Страница 54: ...Assignment 1 Pressure Output 2 No Connection 3 Select x0 1 Range 4 Select x0 01 Range 5 Digital Ground 6 Chassis Ground 7 No Connection 8 Output Return 9 No Connection To select the x1 range leave bot...

Страница 55: ...line connector Power line fuses 2 RFI power line filter For information on the line voltage selector refer to How To Change the Line Voltage Selection page 82 Maintenance page 128 discusses the types...

Страница 56: ...1 19 37 1 20 9 6 5 1 Refer to Manual Symbol Alternating Current Symbol Board Identification Labels Power On Off Switch Head Signal I O 4 3 Serial Interface 115V Power Symbols Figure 9 Labels on the Re...

Страница 57: ...Labels Chapter Three Hardware Overview 42 This page intentionally left blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 58: ...hannel selection Ch 1 Ch 2 Ch 3 Green Range selection x1 x0 1 0 01 AUTO Blue Configuration CAL ZERO and SETUP Black Trip Points TRIP POINTS LEDs A and B Red Table 12 Color Coding of Front Panel Keys T...

Страница 59: ...figuration key to return to the pressure display screen after you have entered or changed an entry Otherwise you may change the parameter by inadvertently moving the Adjust knob Invalid Entries The 67...

Страница 60: ...nel press the appropriate channel selector key on the front panel Be sure that the CHANNEL SELECT switch on the 274 multiplexer is in the REM position The SETUP Key The SETUP key enables you to config...

Страница 61: ...e a noisy signal Use the Adjust knob to toggle through the three options Note The response entry does not affect the sampling period of the A D converter or the display update rate The A D converter s...

Страница 62: ...the pressure reading in the main pressure display screen The amount of power is expressed as a percentage and ranges from 0 to 100 When the heater goes from OFF to ON the percentage of power used is...

Страница 63: ...he display and reported through remote communications Note If your pressure transducer is calibrated in units other than Torr you must select the pressure unit used to calibrate the transducer before...

Страница 64: ...is set to Torr The correct sensor range entry would be 1 00000E 2 Torr To display the pressure reading in mbar change the pressure units entry to mbar The sensor range entry will then display 133 3 mb...

Страница 65: ...or details The temperature compensation entry can range from 0 to 999 Use the CURSOR key and the Adjust knob to change the value of the temperature compensation Set the temperature compensation entry...

Страница 66: ...Communications Option page 85 for more information about RS 232 commands or Chapter Seven IEEE 488 Communications Option page 103 for information on the IEEE 488 command How Averaging Works The avera...

Страница 67: ...Averaging and Response Entries Averaging Entry Response Entry 1 3 1 4 9 40 10 100 400 Table 14 Optimal Averaging and Response Entries In general an averaging entry of 20 and a response entry of 400 mi...

Страница 68: ...ter Six RS 232 Communications Option page 85 for a complete description of the RS 232 communication parameters and protocol IEEE 488 Communication Parameters Optional Note This screen only appears whe...

Страница 69: ...ull scale If you prefer to use a single pressure threshold as the alarm limit disable one of the trip points To disable a high trip point select a pressure equal to or greater than 105 of full scale T...

Страница 70: ...7 40000E 2 Torr Trip Point B Settings TP B HIGH 7 80000E 2 Torr TP B LOW 7 40000E 2 Torr These screens define the high and low settings for Trip Point B TP B Press the down arrow key once to scroll to...

Страница 71: ...the smallest hysteresis setting appropriate for your system to prevent relay chatter The hysteresis value is defined as a percent of the trip point value and can range from 0 to 10 The 670 instrument...

Страница 72: ...nus hysteresis value For example if TP A is set as de energized it becomes energized when the pressure exceeds the range defined by the trip point values plus the hysteresis value Table 15 Action of t...

Страница 73: ...time the trip point value is crossed either the pressure exceeds the high trip point or drops below the low trip point the relay will remain in that state as long as the latch is enabled regardless o...

Страница 74: ...oint has been latched you can clear the latch to release the trip point from the alarm condition and maintain the latch enabled mode The trip point will become latched again should the pressure cross...

Страница 75: ...libration value The null calibration procedure eliminates any zero errors inherent in the 670 instrument Press the ENTER key to perform the null calibration The front panel will flash the message CALI...

Страница 76: ...l Transducers Equalize the pressure on both the reference Pr and measurement Px ports When you enter the SYSCHK screen the 670 instrument sends out a digital signal to prompt the transducer to return...

Страница 77: ...ation that requires changing the transducer zero adjustment Refer to your transducer manual for calibration procedures Note You cannot access the zero calibration screen when the zero enable entry is...

Страница 78: ...he pressure signal The 670 instrument sets the zero value as close to 0 00 Torr as possible This allows you to remove any transducer zero without effecting the null calibration Note When using a Type...

Страница 79: ...ution to track a high level signal Autoranging is useful in situations that require maximum resolution for a system in which the pressure signal may change substantially However for pressure control a...

Страница 80: ...1 range 10 5 Torr the range switches to the x1 The range remains at x1 for pressure readings between 9 of full scale 9 Torr and 105 of full scale 105 Torr The display reads UNDERRANGE when the pressu...

Страница 81: ...The AUTO and Range Keys Chapter Four Functional Overview 66 This page intentionally left blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 82: ...es Serial Interface Signal Conditioner I O 9 15 9 8 1 5 6 1 19 37 1 20 Type 670 Pressure Transducer CB270 2 Figure 15 Connecting to a Single Pressure Transducer 3 Press the SETUP key The system respon...

Страница 83: ...e Overview page 31 for a description of the Key Lock switch When the Key Lock switch is in the REMOTE position you can remove the key The key cannot be removed when the switch is in the LOCAL position...

Страница 84: ...ing to a Type 274 Multiplexer 2 Use a CB670 X cable to connect the I O connector on the 670 instrument to the DVM connector on the 274 multiplexer The I O connector is a 37 pin female connector the DV...

Страница 85: ...the SP position This allows the 670 instrument to set the sensor range Refer to Sensor Range page 49 for a complete discussion 5 Plug in the power cord on both the 670 instrument and the 274 multiplex...

Страница 86: ...screens Ch 1 760 Torr Pressure Unit Torr 3 Use the Adjust knob to scroll through the various pressure units and select the unit used to calibrate the transducer full scale value The label on your tran...

Страница 87: ...y to 400 milliseconds Refer to Response page 46 for a complete description of this entry Ch 1 760 Torr Response 400 mSec 4 Repeatedly press the down arrow key to scroll to the averaging screen Ch 1 76...

Страница 88: ...n the display until the calibration procedure is complete The reading should go to 0 000 0 0005 If the reading does not approach 0 000 press the ENTER key again to repeat the null calibration routine...

Страница 89: ...nsducer If the 670 instrument is unable to establish an acceptable zero you may need to increase the averaging entry Repeat steps 4 and 5 and increase the averaging entry Setting the averaging entry h...

Страница 90: ...entry The entry can vary from 105 of full scale The actual signal output depends on the range selection Note A 105 of full scale setting for the high entry or a 105 of full scale setting for a low en...

Страница 91: ...hrough 3 are available when the 670 unit is connected to a 274 multiplexer Note The Adjust knob scrolls through Channels 2 and 3 even when the 670 instrument is not connected to a 274 multiplexer This...

Страница 92: ...t panel or through a remote communications command Follow this procedure to release a latched trip point and maintain the latch as enabled Once the latch is cleared the trip point will become latched...

Страница 93: ...or TP A if you pressed the down arrow key and TP B if you pressed the up arrow key 3 Use the CURSOR key and the Adjust knob to adjust the hysteresis value The system responds by accepting the new hyst...

Страница 94: ...signal to pins 3 and 4 on the Head lower connector of the Signal Conditioner board Table 18 lists the logic levels and the corresponding ranges Pin State for Remote Range Selection Range Head Lower C...

Страница 95: ...REMOTE position 3 Pump down the system to a pressure less than the resolution of the pressure transducer To achieve a proper zero the pressure of the system must be less than the resolution of the pre...

Страница 96: ...ressure Reading The 670 instrument can display the amount of power being supplied to a heated transducer along with the pressure reading Once you select this screen it will appear every time you exit...

Страница 97: ...electrical shock be sure to disconnect the power cord before proceeding 2 Disconnect all cables from the connectors located at the back of the unit 3 Locate the Line Voltage selector switch on the rea...

Страница 98: ...ntial transducer equalize the pressure on both the reference port Pr and the measurement port Px Refer to the transducer manual for pump down instructions 3 Press the CAL key to enter the calibration...

Страница 99: ...How To Use the SYSCHK Feature Chapter Five Operation 84 This page intentionally left blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 100: ...al port or the rear panel connectors When the Key Lock switch is in the LOCAL position the 670 instrument behaves in the opposite manner it accepts commands from the front panel only and ignores comma...

Страница 101: ...Do not include any spaces in the message string italics Placeholder that represents text or numeric values that you must supply response Format of message sent from the 670 controller ENTER Represents...

Страница 102: ...232 messages sent to the 670 instrument initiate a response Response to a Command The response to a command will follow the format listed below status parameter id data CR where status command accept...

Страница 103: ...of the request received id is identical to the id field of the request received data contains the data requested Example Response to A Report Reading Request The response to a request to report the pr...

Страница 104: ...D id 0 for Trip Point A 1 for Trip Point B Group IV diagnostic information Note To request the status of a parameter enter the command for the parameter with a question mark inserted as the data field...

Страница 105: ...Only 03 Calibrate Mode None Command Only 04 Enable RS 232 Averaging 0 No 1 Yes Table 21 RS 232 Global Messages Example 1 How To Set the Active Channel 1 To set the active channel to Channel 2 with a 2...

Страница 106: ...equired to complete a calibration procedure depends on the value of the averaging entry Refer to Table 16 page 73 for more information 1 Use the set mode command to select the null calibration procedu...

Страница 107: ...ote Reading Resolution 0 3 5 1 4 5 2 5 5 11 Response Time 0 1 msec 1 40 msec 2 400 msec 12 Enable Heater 0 No Off 1 Yes On 13 Pressure Unit 00 Torr 01 mmHg 02 mbar 03 Pa 04 kPa 05 psi 06 inHg 07 in H2...

Страница 108: ...o 4 5 digits on Channel 1 send the command 1001 ENTER The 670 instrument will return the same command to indicate that the command was accepted The pressure reading reported by the 020 command will be...

Страница 109: ...he response will be 19055 ENTER Example 5 How To Use Averaging The 670 instrument provides the capability to average multiple data points You must issue the enable RS 232 averaging 04 command to use t...

Страница 110: ...le will zero the transducer on Channel 1 1 Issue the following command to enable the remote zero operation 1801 ENTER 2 Use the set mode command to select the zero procedure 0101 ENTER The 670 instrum...

Страница 111: ...05 to 105 of transducer full scale 42 Trip Point Hysteresis ASCII number from 0 to 10 used as a of trip point value 43 Relay Normal Configuration 0 De energized 1 Energized 44 Trip Point Channel 0 Cha...

Страница 112: ...he leading zero For example you may enter either 4210 1 or 421 1 as the hysteresis value Example 3 How To Set the Trip Point Channel To set the trip point channel for TP A to Channel 3 assuming that y...

Страница 113: ...ating bit pattern 1 Request Version Number Version number 2 I O Connector Response 8 bit output image Produces the 8 bit output image at the I O connector 16 bit input image 3 Report Actual Gain Range...

Страница 114: ...ue by adding the value of the bits you wish to pull low in this case bits 3 Channel 1 selected and 5 x1 range 4 16 20 Value of bit 3 Value of bit 5 Connector value 2 Issue the following command 80220...

Страница 115: ...e bit values of the bits you wish to pull low and subtract that value from 65535 1 Connect bit 7 I O pin 24 and bit 15 I O pin 10 to digital ground I O pin 4 to pull the inputs low 2 To determine the...

Страница 116: ...100 26 4 8 10 7 5 16 1 25 6 32 0 1 6 7 64 x0 1 Select 5 8 128 x0 01 Select 24 9 256 Channel 1 ID 16 10 512 Channel 2 ID 15 11 1024 Channel 3 ID 14 12 2048 Reserved 13 13 4096 Remote Zero 12 14 8192 Re...

Страница 117: ...anging Additionally the 670 instrument changes the range during some calibration procedures so the actual range may differ from the range you selected Once the calibration procedure is complete it wil...

Страница 118: ...issued through IEEE 488 communications place the Key Lock switch located on the front panel in the REMOTE position While operating the 670 instrument in the REMOTE mode the front panel controls are lo...

Страница 119: ...Complete Device Trigger DT0 No Capability Controller C0 Does not have the capability to send commands or addresses to other devices Talker TE0 Talker function with address extension not available List...

Страница 120: ...2 1 0 Power On Not Used Unrecognized Cmd Inappropriate Cmd Data Invalid Query Error Not Used Not Used Logical OR Standard Event Status Register Standard Event Status Enable Register 7 6 5 4 3 2 1 0 7...

Страница 121: ...mber Function 7 Power On Always set value of 1 when the 670 unit is powered on 6 Not Used 5 Unrecognized Command 4 Inappropriate Command 3 Data Invalid 2 Set when query received and previous query not...

Страница 122: ...Number Function B7 Not Used B6 Master Summary Status bit Set when service requested B5 Set if Event Status Bit is set Read Standard Event Status Register for status B4 Message available Output Queue N...

Страница 123: ...data ESE Table 30 Commands for the Enable Registers To Set the Value the Service Request Enable Register The SREdata command sets the value of the Service Request Enable register For all bits except b...

Страница 124: ...instrument whether it is performing a task or idle Operation Command OPC The operation complete command is ignored since the 670 instrument executes only one command at a time Operation Complete Quer...

Страница 125: ...670BXXX 0 1 1x where XXX represents the model number and the last field contains the actual version number in this example version 1 1x Reset Command RST The reset command initializes to the 670 instr...

Страница 126: ...ueries listed in this section use the following typographical conventions bold Messages that you must enter exactly as shown in the manual The 670 instrument ignores any spaces included in the message...

Страница 127: ...ut query route close chan rout clos chan where chan equals 1 for Channel 1 2 for Channel 2 3 for Channel 3 route close rout clos Set the Mode Command Shortcut command Query Shortcut query sense functi...

Страница 128: ...response to the report reading command will report data from Channel 1 If you are using the 670 unit with a 274 multiplexer the response to the report reading command will report data from the active...

Страница 129: ...on the value of the averaging entry Refer to Table 16 page 73 for more information 1 Use the set mode command to select the null calibration procedure sense function null ENTER 2 Send the perform cali...

Страница 130: ...ing Resolution Command Shortcut command Query Shortcut query sense scan chan digit display resolution sens scan chan digi display resolution sense scan chan digit sens scan chan digi where chan equals...

Страница 131: ...chan meas heat chan where chan equals 1 for Channel 1 2 for Channel 2 3 for Channel 3 The 670 instrument will report the percentage of power used by the heater It does not require a query message Tem...

Страница 132: ...t query sense scan chan puni pressure unit sens scan chan puni pressure unit sense scan chan puni sens scan chan puni where chan equals 1 for Channel 1 2 for Channel 2 3 for Channel 3 where pressure u...

Страница 133: ...l 3 where value is an ASCII number Set Averaging Command Shortcut command Query Shortcut query calculate scan chan average value calc scan chan aver value calculate scan chan average calc scan chan av...

Страница 134: ...o set the display and remote reading resolution to 4 5 digits on Channel 1 send the command sense scan 1 digit 4 5 ENTER The 670 instrument will return the same command to indicate that the command wa...

Страница 135: ...cond use the global configuration command set mode to select the calibration procedure Third send the command to perform the calibration to initiate the calibration procedure Note The time required to...

Страница 136: ...nd Query Shortcut query control relay A or B low TP value cont rela A or B low TP value where TP value a number between 105 of full scale control relay A or B low cont rela A or B low Hysteresis Value...

Страница 137: ...b for enabled disa for disabled Table 34 IEEE 488 Trip Point Messages Example 1 How To Configure the Trip Point A Value To set the TP A high value to 900 issue the following command control relay a hi...

Страница 138: ...nt A To set TP A channel to Channel 1 issue the following command control relay a trip 1 ENTER Example 4 How To Set the Latch Mode for Trip Point A To enable the latch mode for TP B issue the followin...

Страница 139: ...This diagnostic test allows you to set the values of the output signals on the I O connector Use a voltmeter to read the value of the signals at the connector to detect any problem This command contr...

Страница 140: ...pull low and subtract that value from 65535 1 Connect bit 7 I O pin 24 and bit 15 I O pin 10 to digital ground I O pin 4 to pull the inputs low 2 To determine the value of the inputs read by the 670 i...

Страница 141: ...Device Dependent Messages Chapter Seven IEEE 488 Communications Option 126 This page intentionally left blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg c...

Страница 142: ...or wear on the cables and inspect the enclosure for visible signs of damage The only maintenance required on the 670 instrument is to change the fuses How To Clean the Unit Periodically wipe down the...

Страница 143: ...Selector Setting Nominal Line Voltage Range Fuse Type 115 VAC 100 to 120 VAC 50 60 Hz 75 VA max 0 63A T 250 V 5 x 20 mm 230 VAC 200 to 240 VAC 50 60 Hz 75 VA max 0 315A T 250 V 5 x 20 mm Table 36 Fuse...

Страница 144: ...to disengage the fuse holder The fuse holder will slide partially out of the instrument 5 Carefully slide the fuse holder out and remove the fuse 6 Insert the new fuse into the fuse holder Be certain...

Страница 145: ...ht Isolate any mechanical vibration from the pressure transducer with bellows Use the averaging feature to average multiple pressure readings Refer to Averaging page 51 for discussion of the averaging...

Страница 146: ...front panel of the 670 instrument The system responds by displaying the setup parameters 4 Repeatedly press an arrow key or until the pressure units screen appears 5 Use the Adjust knob to select mmHg...

Страница 147: ...nics YES Problem may be in the sensor electronics the cable or the 670 Perform Test A Does it pass Problem is in the sensor electronics YES Problem may be the cable or the 670 Perform Test B Does it p...

Страница 148: ...he system check screen appears Ch 1 9 8799 Volts SYSCHK The reading should be between 9 5 and 10 5 Volts A reading outside this range indicates a problem with the pressure transducer or its cable 4 Pr...

Страница 149: ...D or 14 12 to 13 System Check command J or 15 6 Volts RMS Excitation voltage Note that some transducer cables use numbers while others use letters Table 37 Transducer Cable Voltage Check 9 Connect two...

Страница 150: ...d press the X0 01 range selection key The system responds by changing to the x0 01 range 13 Press the ZERO key on the 670 instrument front panel The system responds by displaying the zero screen 14 Us...

Страница 151: ...n the Signal Conditioner Board Electronics Unit Voltage Check Connector Pin Voltage Function 13 12 to 13 Transducer electronics supply voltage 14 12 to 13 System Check command 15 6 Volts RMS Excitatio...

Страница 152: ...to 10 Volts Noise 0 01 0 4 Hz 1 kHz 1 MHz 0 to 10 V on each range x1 x0 1 x0 01 into 10K ohm load 1 ohm 4 ppm of range C without calibration 25 ppm of range C without calibration 15 ppm of range C wit...

Страница 153: ...mbar Pa kPa psi inHg inH2O cmH2O of Full Scale ppm mTorr 1 ppm C 25 ppm C CE Compliance Electromagnetic Compatibility2 Low Voltage Product Safety and Liability Installation Category Pollution Degree E...

Страница 154: ...nts Relay state Action Two trip points each controlling a relay with front panel LED indicator lights 24 Volts AC DC 1 Amp resistive Activated when the input pressure signal equals or exceeds the high...

Страница 155: ...lectrical Specifications Power Requirement 100 to 120 or 200 to 240 VAC 50 60 Hz 75 VA maximum Fuses 100 to 120 VAC 200 to 240 VAC 0 63A T 250 V 5 x 20 mm 0 315A T 250 V 5 x 20 mm Due to continuing re...

Страница 156: ...ode is identified as follows 670BXXX where Type Number Communication XXX 670B Type Number 670B This designates the model number of the instrument Communication XXX The communication option either RS 2...

Страница 157: ...Model Code Appendix B Model Code Explanation 142 This page intentionally left blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 158: ...he last column lists the page number for information on each entry should you wish to change the setting Initial Settings Parameter Default Options Page Display Size 5 4 3 45 Response 400 1 4 46 Press...

Страница 159: ...sis State Latch Channel 105 000 105 000 0 10 Energized Disabled 1 User selectable User selectable User selectable De energized Enabled 2 3 if connected to a Type 274 multiplexer 55 55 56 58 58 59 Line...

Страница 160: ...ns match the pinout listed in Table 9 page 37 The CB670 2 is a Y cable that allows access to the trip point relays and remote functions included on the I O connector CB670 2 Y Cable Cable CB670 2 cons...

Страница 161: ...annel 3 ID 11 Channel ID Common 12 Select Channel 1 13 Select Channel 2 14 No Connection 15 No Connection 16 No Connection 17 No Connection 18 No Connection 19 No Connection 20 No Connection 21 No Con...

Страница 162: ...h TP A 8 Latch TP B 9 Remote Zero 10 Analog Ground 11 Pressure Output 12 X0 01 Select 13 X0 1 Select 14 X1 Range ID 15 X0 1 Range ID 16 X0 01 Range ID 17 Digital Ground 18 Power Ground 19 No Connectio...

Страница 163: ...Connector Cables Appendix D Interface Cables for a Type 274 Multiplexer 148 This page intentionally left blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg...

Страница 164: ...ironmental requirements 27 F Front panel controls 31 32 43 Full scale configuring 60 71 73 119 Fuse information 128 H Heater current 47 81 94 120 Hysteresis 56 57 78 97 adjusting 56 I I O connector 36...

Страница 165: ...eters 53 85 responses 87 S Safety information 1 16 Sensor range 49 Serial number 41 Settings initial 143 SETUP key 85 Signal Conditioner board 38 Signal connector 36 39 Software version 81 98 System C...

Страница 166: ...Index 151 V Version 81 98 Z Zero 73 Zero configuring 62 74 95 120 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 167: ...Index 152 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 168: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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