Model 735 Intelligent Display User's Manual - Paroscientific, Inc.

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Step 4: Establish communications between the Model 735and a PC• Install Digiquartz® Interactive 2.0 on your PC. Digiquartz®Interactive 2.0 can be installed from the Digiquartz® CDLibrary that was included with your Model 735 ordownloaded at the Paroscientific web site atwww.paroscientific.com.• Connect the RS-232 port of your Model 735 to the RS-232port of your PC, and power up the instrument.• Run Digiquartz® Interactive 2.0.• Select the Digiquartz® Terminal option, and click Next.• You send commands to the unit by typing them into theCommand field. Responses to commands will be displayedin the Response window.If you are unable to establish communications, refer to theDQI online help information and Section 13 of this manual.Step 5: Configure the Model 735 with the Digiquartz®pressure transducer coefficients and parametersPlease refer to Section 5 for more information aboutconfiguration commands and their use.• Set the overpressure alarm setpointThe overpressure alarm setpoint (OP) is set to 0.0 psi at thefactory. OP is set in the current pressure units. Werecommend that the pressure units be set to psi (UN=1) priorto setting OP; refer to paragraphs 5.7.2.4 for details aboutsetting pressure units. OP should be set to the full-scalepressure indicated on the Digiquartz® transducer.The following example assumes a 45 psi transducer:Typical set command:Typical set response:*0100EW*0100OP=45*0001OP=45.00000QUICK START 3-2
• Set the transducer coefficient valuesThe following parameters must be set to the correspondingvalues on the Calibration Coefficients data sheet that wasdelivered with your Digiquartz® transducer:U0, Y1, Y2, Y3, C1, C2, C3, D1, D2, T1, T2, T3, T4, andT5.You must set all calibration parameters to the exact valueslisted on the Calibration Coefficients data sheet.CAUTION Setting calibration coefficients to incorrectvalues will result in incorrect pressure measurementvalues.The following example shows how to set the U0 coefficientto a typical value. Other coefficients are set in a similarmanner. Refer to paragraph 5.7.2.9 for more information.Typical set command:Typical set response:*0100EW*0100U0=5.860513*0001U0=5.860513• Set the transducer model numberMN should be set to the model number indicated on theDigiquartz® pressure transducer.The following example assumes a model 245A transducer.Typical set command:Typical set response:*0100EZ*0100MN=245A*0001MN= 245A• Set the transducer full-scale pressure valueSet PF to the full-scale pressure value indicated on theDigiquartz® pressure transducer. PF is set in the currentpressure units. We recommend that the pressure units be setto psi (UN=1) prior to setting PF. Refer to paragraph 5.7.2.4for more information about setting pressure units.QUICK START 3-3
Page 2 and 3: TABLE OF CONTENTSPage #1 INTRODUCTI
Page 4 and 5: 6 NANO-RESOLUTION FEATURES & FUNCTI
Page 6: 1 IntroductionThank you for your pu
Page 10 and 11: RDigiquartz® pressure transducer,
Page 12 and 13: 2.5.2 Model 745Figure 3. Model 745
Page 16 and 17: CAUTION PF must be set to the full-
Page 18: GAUGE UNITSUnits equipped with gaug
Page 21 and 22: • When in a parameter entry scree
Page 23 and 24: • Pressure Rate - displays the pr
Page 25 and 26: 4.2 Rear Panel4.2.1 Power OptionsTh
Page 27 and 28: 5 Remote Operation5.1 Local vs. RS-
Page 29 and 30: 5.3 Command and Response BasicsThe
Page 31 and 32: Where: * = Start character Asterisk
Page 33 and 34: 5.6 Setting and Reading Parameter V
Page 35 and 36: Q1Sample and send one temperature p
Page 37 and 38: 5.7.1.3 Continuous Measurement Comm
Page 39 and 40: PSSet or read the temperature measu
Page 42: TIME-BASED INTEGRATION TIME COMMAND
Page 45 and 46: Note:When MD is set to a non-zero v
Page 47 and 48: UFTUSet or read the user-defined pr
Page 49 and 50: ZVSet or read the tare value.Action
Page 51 and 52: USSet or read the engineering units
Page 53 and 54: DLSet or read the fixed field data
Page 55 and 56: MNRead the model number.Action: The
Page 57 and 58: PLRead the overpressure indication
Page 59 and 60: Note: The value of PA is entered in
Page 61 and 62: CXCheck timebase crystal frequency.
Page 63 and 64: 5.9.1 Networking BasicsWhen setting
Page 65 and 66:
5.10 Displaying Data Remotely with
Page 67 and 68:
6.2 Enabling Nano-ResolutionNano-re
Page 69 and 70:
6.4 Configuring FIR Filter ModeSETT
Page 71 and 72:
6.5 Default Numeric Formats for IIR
Page 73 and 74:
7 Pressure Measurement Concepts7.1
Page 75 and 76:
PRESSURE AND TEMPERATURE PERIODMEAS
Page 77 and 78:
7.6 Resolution, Integration Time an
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P4 Command (Continuous Pressure Out
Page 81 and 82:
7.7 High Speed SamplingSee paragrap
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8 Accessories8.1 Included Accessori
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9 MaintenanceThe Model 735/745 does
Page 87 and 88:
a transducer is carefully adjusted
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11 WarrantyParoscientific highly va
Page 91 and 92:
12 Service and SupportTechnical sup
Page 93 and 94:
MODEL 735/745 DISPLAYS “DISPLAY D
Page 95 and 96:
14 “Display Data Interrupted” M
Page 97 and 98:
16 GlossaryThe following is a list
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17.2 PC RS-232 Port ConnectorPin as
Page 101 and 102:
18 Wiring Diagrams18.1 Connecting D
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Figure 7. Serial loop network wirin
Page 105 and 106:
19 How do I …?1. How do I configu
Page 107 and 108:
21 Command and Parameter ReferenceC
Page 109 and 110:
NOTES
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Model 735 Intelligent Display User's Manual - Paroscientific, Inc.

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