PRECISION DIGITAL PD756 Manuel d'instructions

PD690 Universal Process Meter Instruction Manual PRECISION DIGITAL CORPORATION 89 October Hill Road • Holliston MA 01746 USA Tel (800) 343-1001 • Fa

www.predig.comModel PD690 Universal Process Meter Instruction Manual10SETUP AND PROGRAMMINGPower, Signal, External Functions & Options Connections

www.predig.comOverviewThe following field wiring connections are made to removable screwterminal blocks supplied with the meter: Power, Signal Input,

www.predig.comModel PD690 Universal Process Meter Instruction ManualAC Powered Meters (Power, Signal, External Functions)Figure 2: Transmitter Powered

www.predig.comModel PD690 Universal Process Meter Instruction Manual13AC Powered Meters (Continued)Figure 4: Three-Wire Transducer Powered from MeterF

Model PD690 Universal Process Meter Instruction ManualDC Powered Meters (Power, Signal, External Functions)Figure 6: Transmitter and Meter Powered fro

www.predig.comModel PD690 Universal Process Meter Instruction ManualRelays & 4-20 mA OutputDepending on the model number, the Options Board may co

Model PD690 Universal Process Meter Instruction Manual4-20 mA Output The 4-20 mA output from the meter can either be powered from themeter’s internal

Model PD690 Universal Process Meter Instruction Manual17ProgrammingOverviewThe meter is programmed using the ENTER button and three jumperarrays. The

Figure 13: Two-point External Calibration Flow ChartModel PD690 Universal Process Meter Instruction Manual18www.predig.comCalibrationComplete!Push ENT

www.predig.comModel PD690 Universal Process Meter Instruction Manual19Five Basic Digit/Display-setting InstructionsRather than repeat the Single Butto

Model PD690 Universal Process Meter Instruction ManualINTRODUCTION ...

www.predig.comModel PD690 Universal Process Meter Instruction ManualSelect Input SignalThe meter can be programmed to accept current or voltage inputu

www.predig.comModel PD690 Universal Process Meter Instruction Manual21Select Calibration MethodThe meter may be calibrated using an external signal so

Model PD690 Universal Process Meter Instruction Manual22www.predig.comGeneral Calibration/Scaling InstructionsCalibration is performed from the front

Model PD690 Universal Process Meter Instruction Manual23www.predig.comCalibrate Using an External Calibrator (E-[al)If E-[AL (External Calibration) wa

Model PD690 Universal Process Meter Instruction Manual24www.predig.comSelect Square Root Extraction (L or S)With the square root extraction function a

Round Horizontal Tank Calibration TableThe following tables can be used to calibrate the meter for displayingvolume in a round horizontal tank. The r

Model PD690 Universal Process Meter Instruction Manual26www.predig.comIsolated 4-20 mA Transmitter Output Programming (ovtpvt)The Isolated 4-20 mA Tra

Model PD690 Universal Process Meter Instruction Manualwww.predig.comAlarm ProgrammingOverviewThe meter is equipped with four alarm points as a standar

Programming ConfirmationTo verify that the alarm set and reset points have been programmedas desired, push ENTER, and push ENTER again when ALArSappea

www.predig.comModel PD690 Universal Process Meter Instruction Manual29Alarm AcknowledgmentThe ACK button on the front panel resets the optional relays

Model PD690 Universal Process Meter Instruction ManualSelect Square Root Extraction (L or S) ...24Program Low-Flow Cuto

www.predig.comLockout JumperOnce the meter has been completely programmed, a lockout jumpercan be installed to restrict further modification to the me

www.predig.comLow Voltage DC LoadsFigure 16: Low Voltage DC LoadsUse a diode with a reverse breakdown voltage two to three times thecircuit voltage an

OPTIONS CARD REMOVAL & INSTALLATIONMeter options are installed at the factory. It is NOT necessary toremove the circuit boards from the case to di

Model PD690 Universal Process Meter Instruction ManualTo re-install the meter in its case:1. Fold the Options Board over the Main Board, grasp both bo

34www.predig.comModel PD690 Universal Process Meter Instruction ManualPROGRAMMED PARAMETER SETTINGSUse the following table to record how your meter is

MODEL DESCRIPTIONPD118 MINIMUX®8 Point ScannerPD141AFO VIGILANTE®four Point Annunciator with First-OutPD202-253 Digital Pressure GaugesPD602 Dart Low-

Model PD690 Universal Process Meter Instruction ManualLIM690_G 10//08 How to Contact Precision Digital • For Technical Support ple

Model PD690 Universal Process Meter Instruction ManualINTRODUCTIONThis meter is a high performance, easy to use, industrial-grade micro-processor-base

Model PD690 Universal Process Meter Instruction ManualSafety NoticeObserve all safety regulations. Electrical wiring should beperformed in accordance

Model PD690 Universal Process Meter Instruction ManualSPECIFICATIONSExcept where noted all specifications apply to operation at +25ºCBasic MeterINPUTS

Model PD690 Universal Process Meter Instruction Manual11-POINT Input Range Minimum Span LINEARIZATION Between Inputs4-20 mA(1.6 mA / (Number of points

Model PD690 Universal Process Meter Instruction ManualRESET User Select:1. Automatically when input passes reset point.2. Automatically + Manually (vi

www.predig.comModel PD690 Universal Process Meter Instruction Manual9Display Messages and Functions The following table describes the various messages