Precision Digital Corporation Trident PD765 Instruction Manual Download Page 3

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Trident Series PD765 Process & Temperature Meters

Instruction Manual

Table of Contents

Introduction ......................................................................................................... 6

Ordering Information .......................................................................................... 6

Specifications ..................................................................................................... 8

General ............................................................................................................ 8

Process Input .................................................................................................. 8

Temperature Inputs ........................................................................................ 8

Relays Option .................................................................................................. 9

Serial Communications .................................................................................. 9

Isolated 4-20 mA Transmitter Output ............................................................ 9

External Button Contacts (X2 Models Only) ................................................. 9

MOD-LH Light / Horn .................................................................................... 10

Compliance Information................................................................................... 10

Safety ............................................................................................................. 10

Electromagnetic Compatibility .................................................................... 10

Safety Information ........................................................................................ 11

Installation......................................................................................................... 11

Unpacking ..................................................................................................... 11

Panel Mounting ............................................................................................. 11

Mounting Dimensions .................................................................................. 11

Connections .................................................................................................. 12

Connector Labeling ..................................................................................... 12

Power Connections ..................................................................................... 14

Signal Connections ..................................................................................... 14

Serial Communication ................................................................................. 15

Relays and 24 V Output Connections ......................................................... 16

Switching Inductive Loads ........................................................................... 16

4-20 mA Output & Input Signal Connections ............................................... 17

Isolated 4-20 mA Signal Splitters & Converters ......................................... 18

Isolated 4-20 mA Signal Splitter .................................................................. 18

4-20 mA to 0-10 VDC Signal Converter....................................................... 18

External Button Contacts on Trident X2 ..................................................... 18

Four-Position Control Station for Remote Operation of

Trident PD765 X2 Buttons ............................................................................ 18

Setup and Programming .................................................................................. 19

Overview ........................................................................................................ 19

Front Panel Buttons and Status LED Indicators ........................................ 19

Display Functions and Messages ................................................................... 20

Main Menu ..................................................................................................... 21

Setting Numeric Values ................................................................................ 21

Setting Up the Meter (

setu

) .......................................................................... 21

Setting the Input Signal (

inpt

) .................................................................... 21

Setting the Decimal Point (

dc.pt

) ................................................................. 22

Setting the Temperature Scale (

F C

) ......................................................... 22

Programming the Meter (

prog

) .................................................................... 22

Scaling the Meter (

scal

) ............................................................................. 22

Calibrating the Meter (

Cal

) .......................................................................... 23

Recalibrating Temperature Inputs (

Cal

) ...................................................... 23

Recalibrating Process Inputs (

ICal

)............................................................ 23

Setting the Relay Operation (

rely

) ............................................................. 24

Relay and Alarm Operation ......................................................................... 25

Scaling the 4-20 mA Analog Output (

Aout

) ................................................. 29

Isolated 4-20 mA Signal Splitters & Converters ........................................... 29

Program the Sensor Break Output Value (

SEbr

) ......................................... 29

Analog Output when Display is Out of Range ............................................. 29

Summary of Contents for Trident PD765

Page 1: ...Programming Monitoring Software No Assembly Required Sunlight Readable Display Operating Temperature Range 40 to 65 C 40 to 149 F UL C UL Listed E160849 UL 508 Industrial Control Equipment Input Power Options 85 265 VAC 90 265 VDC or 12 36 VDC 12 24 VAC Duplex Pump Controller with Alternation Capability External Contacts for Remote Button Operation Trident X2 Only USB RS 232 RS 485 Serial Communic...

Page 2: ...t See Warranty Information and Terms Conditions on www predig com for complete details Registered Trademarks All trademarks mentioned in this document are the property of their respective owners 2020 Precision Digital Corporation All rights reserved FREE MeterView Programming Software Note Trident meter is not powered from USB connection and requires external power to be programmed The easiest and...

Page 3: ...al Splitters Converters 18 Isolated 4 20 mA Signal Splitter 18 4 20 mA to 0 10 VDC Signal Converter 18 External Button Contacts on Trident X2 18 Four Position Control Station for Remote Operation of Trident PD765 X2 Buttons 18 Setup and Programming 19 Overview 19 Front Panel Buttons and Status LED Indicators 19 Display Functions and Messages 20 Main Menu 21 Setting Numeric Values 21 Setting Up the...

Page 4: ...Time 34 Enable Meter and Select Meter Address 34 MeterView Main Window 35 Main Window Menus 35 Configuration Window 36 File Menu 36 Tools Menu 36 Password Menu 37 Input Tab 37 Set Up Input Type 37 Set Up Decimal Point 37 Set Up Temperature Unit 37 Set Up Temperature Sensor 37 Scaling Tab 38 Relays Alarms Tab 38 Advanced Tab 38 Info Tab 38 Customize Window 38 Serial Communication Setup 39 Relays Al...

Page 5: ...r PD765 6X3 10 13 Figure 19 Connector Labeling for PD765 6X3 20 14 Figure 20 Connector Labeling for PD765 7X5 00 14 Figure 21 Connector Labeling for PD765 6X5 10 14 Figure 22 Power Connections 14 Figure 23 Transmitter Powered by Internal Supply Optional 14 Figure 24 Transmitter Powered by External Supply or Self Powered 14 Figure 25 Voltage Input Connections 14 Figure 26 Thermocouple Input Connect...

Page 6: ...ces of up to 30 feet The intensity of the display on both versions of the Trident can be adjusted to compensate for various lighting conditions especially direct sunlight Ordering Information Trident 85 265 VAC Model 12 36 VDC Model Options Installed PD765 6R0 00 PD765 7R0 00 No options PD765 6R0 10 24 V supply PD765 6R2 00 PD765 7R2 00 2 relays PD765 6R2 10 2 relays 24 V supply PD765 6R3 00 PD765...

Page 7: ...with holes for Light Horn and Reset Button and the user performs the installation and wiring Meter and enclosure are sold separately The Light Horn hole is in the back left corner of the enclosure and the Reset Button is centered on the cover of the enclosure below the meter about an inch off the bottom of the cover except on the PDA3400 series where it is mounted on the side of the enclosure PDA2...

Page 8: ...ening Torque Screw terminal connectors 5 lb in 0 56 Nm Weight 9 5 oz 269 g including options UL File Number E160849 UL 508 Industrial Control Equipment Warranty 3 years parts labor See Warranty In formation and Terms Conditions on www predig com for complete details Process Input Inputs 0 20 mA 4 20 mA 1 5 V 10 V Transmitter Supply Isolated one or two transmitter sup plies P1 24 VDC 10 200 mA max ...

Page 9: ...applied to the meter relays will reflect the state of the input to the meter Serial Communications Compatibility EIA 232 and EIA 485 with PDA7232 and PDA7422 Trident adapters Protocol Modbus RTU Meter Address PDC protocol 0 99 Modbus protocol 1 247 Baud Rate 300 19 200 bps Transmit Time Delay Programmable 0 to 199 ms Data 8 bit 1 start bit 1 stop bit Parity None 1 or 2 stop bits even or odd Modbus...

Page 10: ...ys Reset Button Labels The Light Horn accessory comes with 9 pre printed message labels the user can affix under the red button RESET BATCH ACK TARE SILENCE STOP START PAUSE START STOP Light Horn Mounting Connection M22 Hole Sizes Light Horn 0 875 22 mm Reset Button 0 630 16 mm Cable Length 3 28 feet 1 meter Operating Temperature Range 5 to 40 C 23 to 104 F Compliance Information Safety Ul Listed ...

Page 11: ...772 92 mm x 45 mm Refer to Mounting Dimensions for more details Clearance allow at least 4 102 mm behind the panel for wiring Panel thickness 0 04 0 25 1 0 mm 6 4 mm Recommended minimum panel thickness to maintain Type 4X rating 0 06 1 5 mm steel panel 0 16 4 1 mm plastic panel Remove the two mounting brackets provided with the meter back off the two screws so that there is 6 4 mm or less through ...

Page 12: ...the meter shows the location of all connectors available with requested configuration It also identifies the location of the RTD TC selector switch The images below show all connector configurations for the PD765 Note that the connector in the upper left of the diagram has different configurations based on the model Note on the following figures refers to power options Example PD765 6R0 00 Figure ...

Page 13: ...Figure 12 Connector Labeling for PD765 6R5 10 Figure 13 Connector Labeling for PD765 X0 00 Figure 14 Connector Labeling for PD765 6X0 10 Figure 15 Connector Labeling for PD765 X2 00 Figure 16 Connector Labeling for PD765 6X2 10 Figure 17 Connector Labeling for PD765 X3 00 Figure 18 Connector Labeling for PD765 6X3 10 ...

Page 14: ...pes of input signals Current and Voltage Connections The following figures show examples for current and voltage connections There are no switches or jumpers to set up for current and voltage inputs Setup and programming is performed through the front panel buttons Figure 23 Transmitter Powered by Internal Supply Optional Figure 24 Transmitter Powered by External Supply or Self Powered The current...

Page 15: ...d wire compensation Figure 28 Two Wire RTD Input Connections Lead wire compensation for two wire RTDs can be applied using the Adjust menu See Offset Adjustment Adj on page 31 Figure 29 Four Wire RTD Input Connections The four wire RTD connection is similar to the three wire One of the leads of a four wire RTD is not connected and may be clipped off The three wire connection provides sufficient le...

Page 16: ...wing circuits for RC network assembly and installation Figure 31 AC and DC Loads Protection Choose R and C as follows R 0 5 to 1 Ω for each volt across the contacts C 0 5 to 1 µF for each amp through closed contacts Notes 1 Inductive relay rating is 1 14 HP 50 W at 115 230 VAC 2 Use capacitors rated for 250 VAC 3 RC networks may affect load release time of solenoid loads Check to confirm proper op...

Page 17: ...D765 7X5 00 Other Uses for Transmitter Power Supplies The most common use for the Trident s two power supplies is for the 200 mA transmitter power supply to power the field transmitter and the other power supply to power the 4 20 mA output from the meter However the power supplies can be used in other ways For instance for level transmitters that require the use of a heated lens the Trident s 200 ...

Page 18: ...erted into a 0 10 VDC signal by using the model PD659 1MA 1V 4 20 mA to 0 10 VDC signal converter Figure 38 Passive 4 20 mA Output from Trident Meter Converted to 0 10 VDC Signal External Button Contacts on Trident X2 The Trident X2 is equipped with four external button contacts that can be used to remotely operate the Trident X2 s front panel buttons For instance these button contacts can be used...

Page 19: ...ing on page 12 Setup and programming is done through the front panel buttons After power and signal connections have been completed and verified apply power to the meter For Quick Interface Reference Guide go to page 45 For Interactive Virtual Meter Demo visit predig com tvm Front Panel Buttons and Status LED Indicators Trident Standard Display Trident X2 Display Button Symbol Description LED Stat...

Page 20: ...ng operation with manual reset only after alarm condition has cleared Altr Alternate Set relays for pump alternation control oFF Off Disable relay and front panel status LEDs Disable relay s fail safe operation Display Parameter Action Setting Set1 Set 1 Program set point 1 rSt1 Reset 1 Program reset point 1 RLY2 Relay 2 Setup relay 2 Act2 Action 2 Set relay 2 action automatic latching etc Set2 Se...

Page 21: ...oint position for process inputs 3 Units F or C for temperature inputs 4 Relay operation 5 4 20 mA analog output setup Press the Enter Ack button to access any menu or press Up arrow button to scroll through choices Press the Menu button to exit at any time Notes 1 Selecting RTD or TC mode from the Input menu will include the Fahrenheit Celsius menu in the setup menu structure RTD will allow the s...

Page 22: ...be set to display temperature in degrees Fahrenheit or Celsius Press Up arrow to change selection Press Enter Ack to accept Programming the Meter prog The meter may either be scaled ScAL without applying an input or calibrated Cal by applying an input The meter comes factory calibrated to NIST standards so for initial setup it is recommended to use the ScAL function The Program menu contains the S...

Page 23: ...rately in any scale The following table shows the recommended low and high calibration points for all types Type of input Input 1 Low Input 2 High Check Middle Type J T C 32 F 1182 F 600 F Type K T C 32 F 1893 F 960 F Type T T C 32 F 693 F 360 F Type T T C 32 0 F 693 0 F 360 0 F Type E T C 32 F 1652 F 840 F 100 Ω RTD 0 00385 32 F 100Ω 1148 F 320 12Ω 590 F 215 61Ω 100 Ω RTD 0 00392 32 F 100Ω 1127 F...

Page 24: ...the relays The relays may be set up for any of the following modes of operation 1 Automatic reset non latching 2 Automatic manual reset at any time non latching 3 Latching manual reset only at any time 4 Latching with Clear manual reset only after alarm condition has cleared 5 Pump alternation control automatic reset only 6 Off relay and status LED disabled The following graphic shows relay 1 acti...

Page 25: ...he reset point Setting Sensor Break Condition The sensor break relay condition may be programmed for each relay as On alarm or Off non alarm The relays will enter these states when a sensor break is detected for RTD or thermocouple inputs These settings have no effect when current or voltage inputs are selected Sensor Break Operation The following graphs illustrate the operation of how the meter r...

Page 26: ... 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 If the signal drops below the set point high alarm before the time delay has elapsed the On time delay timer resets and the relay does not change state The same principle applies to the Off time delay Note The LED is not affected by Time Delay...

Page 27: ...ation Set Reset Fail safe operation relay coil is energized in non alarm condition In case of power failure relay will go to alarm state Low Alarm with Fail Safe Operation Set Reset Fail safe operation relay coil is energized in non alarm condition In case of power failure relay will go to alarm state ...

Page 28: ...on is shown below controlling and alternating two pumps The goal is to control the level between 1000 and 6000 gallons The main pump turns on when the level reaches 6000 gallons and pumps down to 1000 gallons and then shuts the pump off The next cycle the backup pump turns on at 6000 gallons and shuts off at 1000 gallons If at any time the active pump can t keep the level below 7000 gallons the ot...

Page 29: ...ecision Digital offers DIN rail mountable signal split ters and converters to spit the optional 4 20 mA signal into two isolated 4 20 mA signals or into a 0 10 VDC signal For more information see page 18 Program the Sensor Break Output Value SEbr The sensor break value corresponds to the output signal generated when the meter detects a sensor break for thermocouple and RTD inputs For example if th...

Page 30: ...cedure 1 Note display reading prior to pressing the Menu button Ignore decimal point and sign 2 Access the Password menu add 2 to the noted reading and enter that number as the password e g display reading 1 23 password 0125 Advanced Features Menu To simplify the setup process functions not needed for most applications are located in the Advanced Features menu Press the Right arrow and Menu button...

Page 31: ...stment values can be either positive or negative and can be any number within 19 9 The offset adjustment value is programmed through the Adjust menu The offset adjustment feature can be useful to compensate for errors due to thermocouple junctions or excessive lead wire resistance in RTDs The offset adjustment value is automatically reset to zero whenever the type of temperature sensor is changed ...

Page 32: ...DC or the Modbus protocol PDC protocol should be selected to run MeterView software Select Menu SElc The Select menu is used to select linear or square root function display intensity and low flow cutoff Selection for relay or analog output is a factory setting depending on the option installed Output options are installed and set up at the factory Changing the output selection will cause erroneou...

Page 33: ...g Instructions Do not connect the two meters to the same 4 20 mA loop while cloning Internal calibration may be affected 1 Connect the two meters using cable assembly PDA7420 or equivalent e g Digi Key P N H1663 07 ND Cable should not exceed 7 2 1 m 2 Power up both meters Leave Clone meter in Run Mode 3 Enter the Advanced Features Menu of the Master meter see Advanced Features Menu page 30 4 Scrol...

Page 34: ...screen as well as engineering units such as feet The screen shot below shows MeterView software moni toring level in six storage tanks Monitoring System Parts The following table illustrates the parts needed to monitor 10 Trident meters Quantity Model Description 10 PDA7422 Trident RS 485 Serial Adapter 1 PDA8485 I USB to RS 485 Isolated Converter MeterView Installation 1 Go to www predig com mete...

Page 35: ...s to automatically populate the Main Window with a single meter 10 meters or 100 meters View Menu The following options are available from this menu 1 Event Log to view the MeterView event log window where all internal program events and errors are logged 2 Show Relay Alerts select whether or not MeterView should alert the user of a change in the relay status ON OFF or vice versa with a pop up mes...

Page 36: ... temperature inputs 4 Values for scaling process inputs values for scaling analog output Password Adjust temperature only Filter Bypass Cutoff process inputs only Transmit Delay Function type and Cut off 5 Relay settings 6 After the last change has been made click the Write to Meter button or press Enter on the keyboard to send the new settings to the meter or click on Exit to abandon changes Befo...

Page 37: ...et Up Input Type Click on the arrow next to the 4 to 20 mA box and then click on the desired input type Set Up Decimal Point Click on the arrow next to the dd dd box and then click on the desired decimal point position Decimal point selection is available for 4 20 mA and 0 10 V in puts only The display scale and relay set reset points are adjusted according to the decimal point selection Set Up Te...

Page 38: ...w Click on Customize in the right click menu to open a meter s customize window The following settings can be programmed from this window 1 Tag Number to identify a meter and optionally display it on the meter Pre selected special characters may be used in this field by simply dragging the desired symbol into it 2 Display Units to identify the engineering units of the value being read and optional...

Page 39: ...r to remotely acknowledge the relays alarms if applicable The text labels and colors for the status indicators may be customized through the Customize window 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 to log the data only when the Log button is clicked Log button is only visible when manual is selected 2 Select secon...

Page 40: ...pply the low input signal and press Enter Ack The display flashes for a moment while meter is accepting the low input 5 After the display stops flashing a number is displayed with the leftmost digit brighter than the rest The bright digit is the active digit that can be changed by pressing the Up arrow button Press the Right arrow button to move to the next digit 6 Set the display value to corresp...

Page 41: ... panel buttons during operation is to display the maximum and minimum readings reached by the process or temperature inputs 1 Press Up arrow Max button to display maximum reading since the last reset power up 2 Press Up arrow Max again to display the minimum reading since the last reset power up 3 Press Enter Ack to hold Max Min display reading the meter will continue to track new Max Min readings...

Page 42: ...e diagnostics messages see Advanced Features Menu Display Messages page 30 Determining Software Version To determine the software version of a meter 1 Go to the Diagnostics menu diAG and press Enter Ack button 2 Press Up arrow Max button and scroll to Information menu Info 3 Press Enter Ack to access the software number SFT version UER Write down the information as it is displayed Continue pressin...

Page 43: ...n 2 Act2 Automatic Set 2 Set2 10 00 Reset 2 RSt2 9 00 Fail safe flsf Fail safe 1 Fls1 Off Fail safe 2 Fls2 Off Time delay dlay On delay 1 On1 0 sec Off delay 1 Off1 0 sec On delay 2 On2 0 sec Off delay 2 Off2 0 sec Parameter Display Default Setting User Setting Break 1 Brk1 Off Break 2 Brk2 Off Password pass 0000 unlocked Advanced Features N A Adjust Adj 0 0 temp only Filter fltr 10 Bypass byps 0 ...

Page 44: ...caused by an undesired low flow cutoff value Meter displays error message during calibration err Check 1 Signal connections 2 Input selected in Setup menu 3 Minimum input span requirements Meter displays open 9999 1999 Displays negative number not responding to RTD Check 1 Input selected in Setup menu 2 TC RTD Switch position 3 Corresponding signal at Signal connector Display alternates between 1 ...

Page 45: ...d A385 A392 Type J Type K Type T Type T 0 Type E F C F or C To Program Locked Unlocked TC or RTD Yes No Relays Relay 1 Relay 2 Failsafe Delays Action Set point Reset point Auto Auto Manual Latch Latch w Clear Pump Alt Off To Set point Failsafe 1 Failsafe 2 To Delays Delay 1 Delay 2 On Off Analog output Scale Sensor break To Password RTD or Type T No Yes Calibrate Scale TC or RTD Yes No Program To ...

Page 46: ...displays and Right Arrow resets the Max Min to the current value Press Menu or wait 10 seconds to return to Run Mode Pressing Enter Ack will disable the 10 second timeout and continuously display Max or Min Press Right arrow and Menu to access Advanced Features Menu When the meter is locked Adjust Filter and Bypass can only display their settings and the Copy and ICAL functions are not available A...

Page 47: ...le technical standards and when applicable or required a European Union notified body certification Standards EN 55011 1998 EN 61000 6 2 2001 EN 61010 1 1995 EN 61326 2006 The standards EN 55011 1998 EN 61000 6 2 2001 EN 61010 1 1995 and EN 61326 2006 are no longer harmonized The requirements of these standards have been checked against the harmonized standards EN 55011 2009 A1 2010 EN 61000 6 2 2...

Page 48: ...90 www predig com LIM765_T SFT031 SFT077 Ver 3 300 up 05 20 Contact Precision Digital Technical Support Call 800 610 5239 or 508 655 7300 Fax 508 655 8990 Email support predig com Sales Support Call 800 343 1001 or 508 655 7300 Fax 508 655 8990 Email sales predig com Place Orders Email orders predig com For the latest version of this manual please visit www predig com ...

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