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PD8-765 Explosion-Proof Process & Temperature Meter
Instruction Manual
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Explosion-Proof Process & Temperature Meter
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4-20 mA, ± 10 V, TC & RTD Field Selectable Inputs
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Full 4-Digit Display, 1.20" (30.5 mm)
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SafeTouch Through-Glass Button Programming
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Display Mountable at 0°, 90°, 180°, & 270°
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Isolated 24 VDC @ 200 mA Transmitter Power Supply Option (AC powered meters only)
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2 Relays + Isolated 4-20 mA Output Option
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Free PC-Based MeterView Programming & Monitoring Software
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Sunlight Readable Display
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Operating Temperature Range: -40 to 65°C (-40 to 149°F)
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FM Approved as Explosion-Proof / Dust-Ignition-Proof / Flame-Proof
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CSA Certified as Explosion-Proof / Dust-Ignition-Proof / Flame-Proof
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ATEX and IECEx Certified as Flame-Proof
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Input Power Options: 85-265 VAC / 90-265 VDC or 12-36 VDC / 12-24 VAC
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Duplex Pump Controller with Alternation Capability
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External Contacts for Remote Button Operation
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On-Board RS-485 Serial Communications
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®
Modbus
RTU Communication Protocol Standard
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Copy Meter Settings to Other PD8-765 Meters
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Password Protection
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Max/Min Display
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High & Low Alarms with Multiple Reset Actions
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Flanges for Wall or Pipe Mounting
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Explosion-Proof, IP68, NEMA 4X Die-Cast Aluminum Enclosure
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Four 3/4" NPT Threaded Conduit Openings (Two Plugs Installed)
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Pipe Mounting Kits
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Stainless Steel Tag Available
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3-Year Warranty
PRECISION DIGITAL CORPORATION
233 South Street • Hopkinton MA 01748 USA
Tel (800) 343-1001 • Fax (508) 655-8990
www.predig.com
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Table of Contents
Troubleshooting
Related Manuals for Precision Digital Corporation ProtEx Max Series
Summary of Contents for Precision Digital Corporation ProtEx Max Series
- Page 1 Four 3/4" NPT Threaded Conduit Openings (Two Plugs Installed) • Pipe Mounting Kits • Stainless Steel Tag Available • 3-Year Warranty PRECISION DIGITAL CORPORATION 233 South Street • Hopkinton MA 01748 USA Tel (800) 343-1001 • Fax (508) 655-8990 www.predig.com...
- Page 3 Watch MeterView Software Video at Limited Warranty http://www.predig.com/meterview Precision Digital Corporation warrants this product against defects in material or workmanship for the specified period under “Specifications” from the date of In addition to programming, the software, with the use shipment from the factory.
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Page 4: Table Of Contents
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Table of Contents Introduction ......................7 Ordering Information ..................7 Helpful Videos ..................... 8 Key Features ....................... 9 Useful Tools ...................... 15 Specifications ....................16 General ......................16 Process Inputs ....................17 Temperature Inputs .................. - Page 5 ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Advanced Features Menu ................47 Advanced Features Menu & Display Messages .......... 47 Offset Adjustment (Adj) ................48 Noise Filter (fltr) ..................48 Noise Filter Bypass (byps) ................48 Serial Communications (serl) ..............49 Protocol Selection Menu (Prot) ..............
- Page 6 ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Table of Figures Figure 1. Enclosure Dimensions – Front View ........... 21 Figure 2. Enclosure Dimensions – Side Cross Section View ......21 Figure 3: Integrated PD765 Trident Required Connections ......29 Figure 4.
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Page 7: Introduction
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Introduction Ordering Information The ProtEX-MAX PD8-765 explosion-proof, 85-265 VAC Models large-display, process and temperature meter offers Model Options Installed all the functionality of the PD765 Trident as a fully FM, PD8-765-6X0-10 24 VDC Transmitter Supply CSA, ATEX, and IECEx approved explosion-proof product. -
Page 8: Helpful Videos
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Helpful Videos PD765 Trident Demonstration Watch this live demonstration of the PD765 Trident There are several videos that will help you get a digital panel meter and see how it can improve your better understating of the features and functionality of process. -
Page 9: Key Features
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Key Features The Only Explosion-Proof Process & Temperature Meter You Will Ever Need The PD8-765 ProtEX-MAX is an explosion-proof The relays and isolated 4-20 mA output option version of the popular PD765 Trident process and increases the utility of the PD8-765. - Page 10 ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Easy Programming Methods Large Display Size The display height on the ProtEX-MAX PD8-765 is an The PD8-765 is easily setup and programmed without astounding 1.2" (30.5 mm). It can be easily read from removing the cover by using the four through-glass distances of up to 30 feet! SafeTouch buttons or by removing the cover and...
- Page 11 ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Physical Features Wide Viewing Angle Customers can’t always look at the display from The ProtEX-MAX is designed for ease-of-use in safe straight on, so the window and display module have and hazardous applications. The ProtEX-MAX is been optimized to provide a wide viewing angle of housed in a rugged NEMA 4X explosion-proof approximately ±...
- Page 12 ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Rotatable Display Removable Screw Terminals The ProtEX-MAX rotatable display, along with four Industrial applications require screw terminal available conduit connections, provide for numerous connections for easy field wiring and the ProtEX-MAX installation options.
- Page 13 ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Transmitter Power Supplies Fuse Prevents Current Overload Another very useful aspect of the PD8-765 is that the Meter Powers Transmitter current input is protected against current overload by a resettable fuse. The fuse limits the current to a safe One of the most useful features of AC powered level when it detects a fault condition, and PD8-765s is their built-in, isolated, 24 V @ 200 mA...
- Page 14 ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Exp-Proof Dual-Pump Alternation Exp-Proof Temperature Transmitter with Big Display The ProtEX-MAX can be used as an explosion-proof pump controller when combined with a continuous The PD8-765, with an optional 4-20 mA output, can level transmitter.
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Page 15: Useful Tools
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Useful Tools PD9501 Multi-Function Calibrator This PD9501 Multi-Function Calibrator has a variety of signal measurement and output functions, including voltage, current, thermocouple, and RTD. PD9502 Low-Cost Signal Generator PD9502 is a low-cost, compact, simple to use 4-20 mA or 0-10 VDC signal generator. -
Page 16: Specifications
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Specifications Environmental T6 Class operating temperature range Ta = -40 to 60°C T5 Class operating temperature range Except where noted all specifications apply to Ta = -40 to 65°C operation at +25°C. Storage temperature range: -40 to 85°C (-40 to 185°F) General... -
Page 17: Process Inputs
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Process Inputs Temperature Inputs Factory calibrated, field selectable: Inputs 0-20 mA, 4-20 mA, 1-5 V, ±10 V Inputs type J, K, T, or E thermocouples and Isolated, one or two transmitter Transmitter 100 Ω... -
Page 18: Relays Option
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Relays Option Isolated 4-20 mA Transmitter Output Option 2 Form C (SPDT); rated 3 A @ 30 VDC Rating or 3 A @ 250 VAC resistive load; 1.00 to 23.00 mA; Scaling Range 1/14 HP (≈... -
Page 19: Compliance Information
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Compliance Information Product Ratings and Approvals Enclosure: Type 4X; IP66 Electromagnetic Compatibility Class I, Division 1, Groups B, C, D Class II, Division 1, Groups E, F, G Emissions EN 55011 Class III, Division 1, T5/T6 Group 1 Class A ISM emissions Class I, Zone 1, AEx d, IIC Gb T5/T6... -
Page 20: Eu Declaration Of Conformity
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual EU Declaration of Conformity Pre-Installed Conduit Plugs The ProtEX-MAX is supplied with two pre-installed EU Declaration of Conformity is available in the conduit plugs for installations that do not require the Documentation CD provided with the product under use of all four conduit entries. -
Page 21: Mounting
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Wall Mounting Instructions Mounting The meter can be mounted to any wall or flat surface The ProtEX-MAX has four slotted mounting flanges using the four provided mounting holes located in the that may be used for pipe mounting or wall mounting. - Page 22 ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Pipe Mounting Instructions Vertical Pipe Mounting Horizontal Pipe Mounting The meter can also be mounted to a pipe using an optional U-Bolt kit. This kit includes two U-bolts, the necessary hardware, and is available in zinc plated steel (PDA6848) and 316 stainless steel (PDA6848-SS).
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Page 23: Meterview Software
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Monitoring System Parts MeterView Software The following table illustrates the parts needed to monitor 10 PD8-765s: Quantity Model Description Trident RS-485 PDA7422 Serial Adapter USB to RS-485 PDA8485-I Isolated Converter MeterView Installation 1. - Page 24 ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Enable Meter and Select Meter Address Main Window Menus The actual meter address is set up at the meter using The MeterView main window contains the following the front panel buttons. The location where a meter is menus: displayed is selected on MeterView Main window.
- Page 25 ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Right Click Menu Configuration Window By right clicking on a meter on the screen a menu will Click on Configure in the right click menu to open a appear with the following options: meter’s configuration window.
- Page 26 ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Password Menu Set Up Decimal Point The following options are available from the Password Click on the arrow next to the dd.dd box and then menu: click on the desired decimal point position. Decimal point selection is available for 4-20 mA and 0-10 V 1.
- Page 27 ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Scaling Tab Info Tab In the configuration window, click on the Scaling tab In the configuration window, click on the info tab to to view the scaling settings for process inputs (current view the firmware number and version.
- Page 28 ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Serial Communication Setup Logging Meter Data to File 1. Click on the arrow next to the Interval box to select an interval from 2 to 60 or select manual Addresses for PD8-765 and to log the data only when the Log button is MeterView are set to 00 at the clicked (Log button is only visible when...
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Page 29: Connections
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Required & Factory Wired Connection Connections The ProtEX-MAX comes with a pre-wired connection. All connections are made to removable screw This connection is detailed below and must be terminal connectors located at the rear of the meter. maintained in order for the instrument to function properly. -
Page 30: Pd765 Trident Electronics Module Layout
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual PD765 Trident Electronics Module Layout for PD8-765-6X5-10* Figure 4. PD765 Trident Electronics Module Layout Connector Labeling The connectors label, affixed to the meter, shows the location of all connectors available with requested configuration. It also identifies the location of the RTD/TC selector switch. -
Page 31: Power Connections
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Power Connections Power connections are made to a two-terminal connector labeled POWER on Figures 4-8. See Connector Labeling on page 30. The meter operates regardless of DC polarity. The + and - symbols are only a suggested wiring convention. -
Page 32: Relays And 24 V Output Connections
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Relays and 24 V Output Connections Relay connections are made to a six-terminal connector labeled RELAY1, RELAY2. See Connector Labeling on page 30. The COM (common) terminals of the relays should not be confused with the COM (common) terminal of the SIGNAL connector. -
Page 33: Rs-485 Connections
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual RS-485 Connections The RS-485 connections are made to a five terminal ® connector used for Modbus RTU serial communications. The RS-485 terminals include Transmit Data (DO) and (/DO), Receive Data (DI) and (/DI), and Signal Ground. -
Page 34: Ma Output & Input Signal Connections
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual 4-20 mA Output & Input Signal Connections The PD8-765, with an optional 4-20 mA output, can be used as an isolated temperature transmitter with a big display by converting the thermocouple or RTD input into an isolated 4-20 mA output. -
Page 35: Setup And Programming
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Setup and Programming There is no need to recalibrate the meter when first received from the factory. The meter is factory calibrated prior to shipment for milliamps and volts with calibration equipment that is certified to NIST standards. Overview There are no jumpers involved in the setup process of the meter. -
Page 36: Programming Buttons
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Programming Buttons Button Symbol Description Press to enter or exit Programming Mode, view settings, or exit max/min readings Press to reset max/min readings or other parameter/function assigned through the User menu Press to display max/min readings or other parameter/function assigned through the User menu Press to acknowledge relays or other parameters/function... -
Page 37: Display Functions And Messages
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Display Functions and Messages Display Parameter Action/Setting RLY2 Relay 2 Setup relay 2 The meter displays various functions and messages Act2 Action 2 Set relay 2 action during setup/programming and operation. The (automatic, latching, etc.) following table shows the displayed functions and Set2... -
Page 38: Main Menu
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Main Menu Setting Up the Meter (setu) The main menu consists of the most commonly used The Setup menu is used to select: functions: Setup and Password. Input signal the meter will accept •... -
Page 39: Setting The Decimal Point (Dc. P T)
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual If RTD is selected, the display shows A385 or A392. Programming the Meter (prog) Select the coefficient to match the RTD sensor, either 0.00385 (A385, European curve) or 0.00392 (A392, The meter may either be scaled (ScAL) without American curve). -
Page 40: Calibrating The Meter (Cal)
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Minimum Input Span Recommended Calibration Points The minimum input span is the minimum difference To recalibrate the meter, it is recommended to use between input 1 and input 2 signals required to the Fahrenheit scale;... -
Page 41: Setting The Relay Operation (Rely)
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Setting the Relay Operation (rely) Setting the Relay Action The relays’ Action menu allows the user to set up the This menu allows you to set up the operation of the operation of the relays. -
Page 42: Relay And Alarm Operation
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Setting Fail-Safe Operation Sensor Break Operation The fail-safe operation is set independently for each The following graphs illustrate the operation of how relay. Select on to enable or select off to disable the meter reacts when a sensor break is detected. - Page 43 ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Low Alarm Operation (Set < Reset) Time Delay Operation The following graphs show the operation of the time delay function. If the signal crosses the set point, the On time delay timer starts and the relay trips when the time delay has elapsed.
- Page 44 ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual High Alarm with Fail-Safe Operation Low Alarm with Fail-Safe Operation (Set > Reset) (Set < Reset) * Note: Relay coil is energized in non-alarm condition. In * Note: Relay coil is energized in non-alarm condition. In case of power failure, relay will go to alarm state.
- Page 45 ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Pump Controller with Dual-Pump Alternation The PD8-765 can be used as a low-cost pump controller when combined with a continuous level transmitter. One of the most common pump control applications is shown below: controlling and alternating two pumps. The goal is to control the level between 1000 and 6000 gallons.
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Page 46: Scaling The 4-20 Ma Analog Output (Aout)
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Scaling the 4-20 mA Program the Sensor Analog Output (Aout) Break Output Value (SEbr) The 4-20 mA analog output can be scaled to provide The sensor break value corresponds to the output signal generated when the meter detects a sensor a 4-20 mA signal for any display range selected. -
Page 47: Setting Up The Password (Pass)
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Setting Up the Password (pass) Advanced Features Menu The Password menu is used to program a four-digit To simplify the setup process, functions not needed password to prevent unauthorized changes to the for most applications are located in the Advanced programmed parameter settings. -
Page 48: Offset Adjustment (Adj)
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Offset Adjustment (Adj) Display Functions and Messages This parameter allows the user to select an offset Display Parameter Action/Setting adjustment to the temperature being displayed. Offset Output Set meter for either relay adjustment values can be either positive or negative or analog output and can be any number within 19.9. -
Page 49: Serial Communications (Serl)
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Serial Communications (serl) Linear or Square Root Function (linr or Sqrt) The meter is equipped with serial communications capability as a standard feature using PDC protocol Meters are set up at the factory for linear function. ®... -
Page 50: Display Intensity (Inty)
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Display Intensity (inty) Meter Cloning Instructions The Display Intensity function allows the selection of eight levels of intensity for various lighting conditions. • Do not connect the two meters to the same 4-20 mA loop while cloning. -
Page 51: Internal Calibration (Ical)
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Internal Calibration (ICal) • There is no need to recalibrate the meter when first received from the factory. • The meter is factory calibrated prior to shipment, for all input types, in milliamps, volts, and degrees respectively. -
Page 52: Meter Operation
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Meter Operation Maximum/Minimum Readings The main function of the front panel buttons during For process inputs, the meter is capable of accepting operation is to display the maximum and minimum positive and negative signals and displaying these readings reached by the process or temperature signals in engineering units from -1999 to 9999 inputs. -
Page 53: Troubleshooting
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Troubleshooting Reset Meter to Factory Defaults When the parameters have been changed in a way that is difficult to determine what’s happening, it might For an Interactive Virtual Meter Demo visit predig.com/tvm be better to start the setup process from the factory defaults. -
Page 54: Factory Defaults & User Settings
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Factory Defaults & User Settings Parameter Display Default User Setting Setting The following table shows the factory setting for most Off delay 2 Off2 0 sec of the programmable parameters on the meter. Next to the factory setting, the user may record the new Break 1 Brk1... -
Page 55: Troubleshooting Tips
ProtEX-MAX PD8-6000 Explosion-Proof Process Meter Instruction Manual Troubleshooting Tips This meter is a highly sophisticated instrument with an extensive list of features and capabilities. If the front panel buttons are used to program the meter, it may be a difficult task to keep everything straight. That is why we strongly recommend the use of the MeterView software for all programming activities. - Page 56 ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Troubleshooting Tips Symptom Check/Action SafeTouch buttons do not respond 1. If mechanical button was pushed, the SafeTouch buttons will be re-enabled automatically 60 seconds after the last button push. 2. If slide switch on connector board is in DISABLE position, switch to ENABLE.
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Page 57: Quick Interface Reference Guide
ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Quick Interface Reference Guide Run Mode A385 4-20 mA Input Display A392 Max/Min 0-10 V Setup Type J Type K Password Type T Type T.0 Locked Unlocked Type E TC or RTD? Decimal dddd Point... - Page 58 ProtEX-MAX PD8-765 Explosion-Proof Process & Temperature Meter Instruction Manual Pushbutton Function Menu Go to Programming Mode or leave Programming, Advanced Features, and Max/Min Modes. Right Arrow Move to next digit. Up Arrow Move to next selection or increment digit. Enter/Ack Accept selection/value and move to next selection.
- Page 60 Email: sales@predig.com Place Orders Email: orders@predig.com For the latest version of this manual please visit www.predig.com PRECISION DIGITAL CORPORATION 233 South Street • Hopkinton MA 01748 USA Tel (800) 343-1001 • Fax (508) 655-8990 www.predig.com LIM8-765_F SFT031 & SFT077 Ver 3.300 & up...
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