PRECISION DIGITAL PD8-6080 Page 2 Instruction Manual Download | Manualshive

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ProtEX PD8-6080/PD8-6081 Explosion-Proof Modbus

®

Scanner Instruction Manual

2

Disclaimer

The information contained in this document is subject to change without notice.
Precision Digital Corporation makes no representations or warranties with respect to the
contents hereof; and specifically disclaim any implied warranties of merchantability or
fitness for a particular purpose.

Caution

Read complete instructions prior to installation
and operation of the scanner.

Warning!

Risk of electric shock or personal injury. Hazardous voltages exist
within enclosure. Installation and service should be performed
only by trained service personnel.

Warning!

•

This product is not recommended for life support applications or
applications where malfunctioning could result in personal injury or
property loss. Anyone using this product for such applications does
so at his/her own risk. Precision Digital Corporation shall not be held
liable for damages resulting from such improper use.

•

Failure to follow installation guidelines could result in death or
serious injury. Make sure only qualified personnel perform the
installation.

•

Never remove the instrument cover in explosive environments when
the circuit is live.

•

Cover must be fully engaged to meet flameproof/explosion-proof
requirements.

•

Information in this manual supersedes all enclosure, compliance,
and agency approval information included in additional product
manuals included with this product.

Limited Warranty

Precision Digital Corporation warrants this product against defects in material or
workmanship for the specified period under “Specifications” from the date of shipment
from the factory. Precision Digital’s liability under this limited warranty shall not exceed
the purchase value, repair, or replacement of the defective unit.

Registered Trademarks

Modbus

®

is a Registered Trademark of Schneider Automation Inc. All other trademarks

mentioned in this document are the property of their respective owners.

© 2018 Precision Digital Corporation. All rights reserved.

www.predig.com

!

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Summary of Contents for PD8-6080

Page 1: ...ons Capabilities Isolated 24 VDC 25 mA Transmitter Power Supply Multi Pump Alternation Control Signal Input Conditioning for Flow Round Horizontal Tank Programmable Displays Function Keys 32 Point Squ...

Page 2: ...e held liable for damages resulting from such improper use Failure to follow installation guidelines could result in death or serious injury Make sure only qualified personnel perform the installation...

Page 3: ...ing Up the Process Variables PVs pv setup 37 Setting the Display Decimal Point disp dp 37 Setting the Float Decimal Point Flot dp 37 Scaling the PV Display Values sCale 38 Scale Menu 38 Setting Up the...

Page 4: ...ng Dimensions 82 EU Declaration of Conformity 83 Table of Figures Figure 1 Transmitter Supply Voltage Selection 14 Figure 2 Integrated ProVu Required Connections 15 Figure 3 Connector Labeling for Ful...

Page 5: ...by the master is scaled displayed and used to operate the relays and 4 20 mA output Data is displayed on an adjustable intensity dual line six digit display Its superluminous LED digits make it easily...

Page 6: ...080 7H7 4 relays 4 20 mA output Feet Inches Display Models PD6081 6H0 PD6081 7H0 No options PD6081 6H7 PD6081 7H7 4 relays 4 20 mA output WARNING Cancer and Reproductive Harm www P65Warnings ca gov Ac...

Page 7: ...nse timeout timer Slave Snooper mode Time the scanner will wait for new data before going into break condition Slave mode Programming 0 disables the timeout the last value received will be displayed i...

Page 8: ...play Max min readings are stored until reset by the user or when power to the scanner is turned off User can reset by front panel pushbuttons digital input or via Modbus registers Password Three progr...

Page 9: ...ent for each relay Note Relay coil is energized in non alarm condition In case of power failure relay will go to alarm state Auto Initialization When power is applied to the scanner relays will reflec...

Page 10: ...lculation Multi Point Linearization 2 to 32 points for PV1 and PV2 Programmabl e Exponent 1 0001 to 2 9999 Low Flow Cutoff 0 999999 0 disables cutoff function for PV1 and PV2 Calibration Range Input R...

Page 11: ...0 C T5 40 C to 65 C Certificate number Sira 12ATEX1182 IECEx Ex d IIC T Gb Ex tb IIIC T90 C Db IP68 Ta 40 C to C T6 40 C to 60 C T5 40 C to 65 C Certificate Number IECEx SIR 12 0073 Special Conditions...

Page 12: ...2 2005 EMC heavy industrial generic immunity standard RFI Amplitude Modulated 80 1000 MHz 10 V m 80 AM 1 kHz 1 4 2 0 GHz 3 V m 80 AM 1 kHz 2 0 2 7 GHz 1 V m 80 AM 1 kHz Electrical Fast Transients 2kV...

Page 13: ...applicable local and national regulations e g NEC For Installation in USA The ProtEX MAX must be installed in accordance with the National Electrical Code NEC NFPA 70 For Installation in Canada The P...

Page 14: ...hile the instrument is in service Cover Jam Screw The cover jam screw should be properly installed once the instrument has been wired and tested in a safe environment The cover jam screw is intended t...

Page 15: ...ack of the electronics module Some connectors may be provided already connected These connections are required for proper operation of the ProtEX MAX and should not be removed unless instructed to by...

Page 16: ...dules cables or scanners to the RJ45 M LINK connector Otherwise damage will occur to the equipment and the scanner Figure 3 Connector Labeling for Fully Loaded PD6080 6081 Power Connections Power conn...

Page 17: ...er The ProtEX MAX has three diagnostic LEDs a Power P LED to show when the module is powered properly a Transmit Data TX LED to show when the module is being transmitted to by the PC side and a Receiv...

Page 18: ...e to the meter and ensure personnel safety Notes 1 Termination resistors are optional and values depend on the cable length and characteristic impedance Consult the cable manufacturer for recommendati...

Page 19: ...to RS 485 serial converter located in a safe area F4 Digital Input Connections A digital input F4 is standard on the scanner This digital input connected with a normally open closure across F4 and CO...

Page 20: ...d Experiment for best results Figure 12 Low Voltage DC Loads Protection RC Networks Available from Precision Digital RC networks are available from Precision Digital and should be applied to each rela...

Page 21: ...t panel LED flashes when locked out The interlock relay would be wired in series with the load N O contact See below Figure 14 Interlock Connections Analog Input Signal Connections Analog input signal...

Page 22: ...e fuse The display may or may not show a fault condition depending on the nature of the overload The fuse limits the current to a safe level when it detects a fault condition and automatically resets...

Page 23: ...y requirements and applicable national state and local codes to prevent damage to the meter and ensure personnel safety External Switch Contacts The ProtEX MAX includes 4 digital inputs These digital...

Page 24: ...etract finger more than three inches from the glass before pressing the next button When the cover is removed the four mechanical buttons located next to the sensors are used The sensors are disabled...

Page 25: ...or relays in manual mode flash with the M LED every 10 seconds Press the Menu button to enter or exit the Programming Mode at any time Press the Right arrow button to move to the next digit during dig...

Page 26: ...ructions until you see one of the dialogs below If you receive a User Account Control warning click Yes 4 If there is an update available click the Update button to install the new version Otherwise c...

Page 27: ...integer t poll Polling Time Enter Polling Time the time between read commands In other words how often the display is updated in Master mode Display Parameter Action Setting Description t resp Respon...

Page 28: ...nths of an Inch dec Decimal Decimal Format Display Parameter Action Setting Description Ft In 8 Eighths Eighth Inch Format Ft In 16 Sixteenths Sixteenth Inch Format Dec Pt Decimal Point Decimal Point...

Page 29: ...ns off when Communications Break detected Aout Analog output Enter the Analog Output scaling menu AOut 1 Aout channel Analog Output source channel 1 3 Display Parameter Action Setting Description Dis...

Page 30: ...being changed is displayed brighter than the rest Press and hold the Up arrow to auto increment the display value Press the Enter button at any time to accept a setting or the Menu button to exit with...

Page 31: ...scanner When using more than one scanner in a multi drop mode each scanner must be provided with its own unique address The scanner address Scan ID may be programmed between 1 and 247 The transmit del...

Page 32: ...ooper Mode navigate to the PV Number menu and press ENTER From there the user can scroll through all of the sixteen available PVs In order to enable a specific PV simply press ENTER to access the desi...

Page 33: ...pe byte order Poll Time Enter the time interval to poll the slave devices selected Response timeout Enter the time interval to wait after three polls before reporting it as a Communications Break Back...

Page 34: ...ates e g 4800 bps or less 2 The response time for scanners set up for Snooper mode must be greater than the Master s poll time This setting corresponds to the time window during which the Snooper list...

Page 35: ...s Float 3 Default Slave ID for PV1 001 for PV2 002 for PV3 003 etc The Master ignores the decimal point setting for slave devices that specify a Short or Long integer For example a slave that is displ...

Page 36: ...Feet Inches d Decimal Point e Scale input data 2 Display assignment Intensity 3 Relay assignment and operation 4 4 20 mA analog output scaling Press the Menu button to exit at any time Aout Menu will...

Page 37: ...e right until no decimal point is displayed and then it moves to the leftmost position The decimal point is programmable only for the Display Value Setting the Float Decimal Point Flot dp If floating...

Page 38: ...w Error if the scaling or calibration process is unsuccessful Undesired operation may occur if the error is not corrected Correct the error by either changing one of the inputs in question or changing...

Page 39: ...2 can be programmed to display any of the following Display Parameter Setting Description D pv Display PV Display PVs 1 16 D Ch C Display C Channel Display Math Channels C1 C4 Pv unit Display PV Units...

Page 40: ...ay Note For Tag PVn and Tag PVn U the default settings for PVs are 1 3 5 7 followed by two underscores which represent empty PVs These all can be changed to any enabled PVs Continues to Relay Setup Li...

Page 41: ...e For Tag PVn and Tag PVn U the default settings for PVs are 2 4 6 8 followed by two underscores which represent empty PVs These all can be changed to any enabled PVs Continues to Display Intensity Se...

Page 42: ...p P 7 7 H H q q 8 8 h h r r 9 9 I I s S A A I i t t Degree b b j J u u Space Notes Degree symbol represented by if programming with ScanView The letters m and w use two 7 segment LEDs each when select...

Page 43: ...gister PV3 30017 30017 Tank 1 Average Temperature Data Type Long integer Binary Signed Long Byte Order 1234 1234 PV4 Slave ID 2 2 Function Code 04 04 Register PV4 30001 30001 Tank 2 Product Level Para...

Page 44: ...Order 1234 1234 PV11 Slave ID 4 4 Function Code 04 04 Register PV11 30003 30003 Tank 4 Interface Parameter PD6080 Master PD6080 Snooper Descriptio n Commen t Data Type Long integer Binary Signed Long...

Page 45: ...nterface Level and Average Temperature One of the Modbus Scanners is located next to the tanks and the other is located in the control room The display readout is shown in sixteenths of an inch Regist...

Page 46: ...fter alarm condition has cleared e Pump alternation control automatic reset only f Sampling the relay is activated for a user specified time g Off relay state controlled by Interlock feature 3 Set 1 S...

Page 47: ...below reset point The deadband is defined as the difference between set and reset points Minimum deadband is one display count If the set and reset points are programmed with the same value the relay...

Page 48: ...grammed to go to one of the above conditions when the scanner detects the loss of the input signal i e 0 005 mA Notes 1 This is not dependent on the Communications Break or Response Timeout setting 2...

Page 49: ...ation Set Reset Note 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 Note Relay coil is energized in n...

Page 50: ...s can be programmed to react to this event by going On Off or No Action After communication is restored the relays are turned off or on based on their operating mode and their set and reset points wit...

Page 51: ...The following graphs show the operation of the time delay function When the signal crosses the set point the On time delay timer starts and the relay trips when the time delay has elapsed If the sign...

Page 52: ...wer to the scanner is off Front Panel LEDs The LEDs on the front panel provide status indication for the following The scanner is supplied with four alarm points that include front panel LEDs to indic...

Page 53: ...ition Latching Relay LatcH In this application the scanner is set up for manual reset at any time Acknowledging the alarm even if the alarm condition is still present resets the relay and turns off th...

Page 54: ...that the first pump on is the first pump off Application 1 Pump Alternation Using Relays 1 2 1 Relays 1 and 2 are set up for pump alternation 2 Relays 3 and 4 are set up for low and high alarm indicat...

Page 55: ...d the corresponding digital input dI 1 to dI 4 terminal Interlock Relay Operation Example Relays 1 2 are configured to energize their front panel LEDs are off when SW1 SW2 switches above are closed If...

Page 56: ...alog Output Source Programming on page 71 No equipment is needed to scale the analog outputs simply program the display values to the corresponding mA output signal The Analog Output menu is used to p...

Page 57: ...played and enter the correct password to gain access to the menu After exiting the programming mode the scanner returns to its password protected condition Disabling Password Protection To disable the...

Page 58: ...off 7 User Programming for function keys and digital I O 8 Analog Channels Input Calibration 9 System Information Advanced Menu Navigation Tips Press and hold the Menu button for three seconds to acce...

Page 59: ...ibrate input 1 signal or program input 1 value Dis 1 Display 1 Program display 1 value Inp 2 Input 2 Calibrate input 2 signal or program input 2 value up to 32 points for PV1 PV2 Display Parameter Act...

Page 60: ...et Points 1 8 Set Points 1 8 Rly d Relay Disable Relay Disable all relays Rly e Relay Enable Relay Enable all relays O Hold Output Hold Output Hold all relays d Hold Display Hold Display Hold while he...

Page 61: ...V and remain there until the operator manually advances to the next PV or returns to the previous PV If a new alarm is detected the process is repeated The scanner ignores old alarms Control Menu Cont...

Page 62: ...splayed immediately by setting the bypass value accordingly If the input signal goes beyond the bypass value it will be displayed immediately with no averaging done on it The noise filter bypass value...

Page 63: ...provides a display that is linear with respect to the input data e g 0 000 0 000 10 000 10 000 and then 5 000 5 000 Linear Function Menu Linear Scanners are set up at the factory for linear function...

Page 64: ...he maximum flow Programmable Exponent Function Menu prog e The programmable exponent function is used to calculate open channel flow measured with a level transmitter in weirs and flumes The flow rate...

Page 65: ...in any engineering unit without the need to re enter the dimensions again Changing the Volume from Gallons to Liters In the graphic entering the 48 for the diameter and 120 for the length of the round...

Page 66: ...2 P F diFAbS Average PV1 PV2 2 P F AvG Multiplication PV1 PV2 P F Nmulti Division PV1 PV2 P F divide Max PV Max value of all selected PVs Hi pv Min PV Min value of all selected PVs Lo pv Draw PV1 PV2...

Page 67: ...sed 8 Please refer to the following graphics for details on various Math Functions Main Math Channels Each PV is represented by an underscore There are 6 lines shown and ten lines hidden Enter any or...

Page 68: ...sion Proof Modbus Scanner Instruction Manual 68 Sum Menu sunm Difference Menu dif Difference Absolute Menu difAbS Average Menu avg Multiplication Menu nmulti Divide Menu divide Only two PVs at a time...

Page 69: ...enu Lo pv Draw Menu drauw Only two PVs at a time will be used for this function Weighted Average Menu uwAvg Only two PVs at a time will be used for this function Ratio Menu ratio Only two PVs at a tim...

Page 70: ...nner to be programmed so that the often unsteady output from a differential pressure transmitter at low flow rates always displays zero on the scanner The cutoff value may be programmed from 0 to 9999...

Page 71: ...g outputs follow the graphic above The overrange and underrange values are the values that will be output when the display shows an overrange or underrange condition This setting is common to all anal...

Page 72: ...for all channels Rst HL Reset the stored maximum minimum display values for all channels relay Directly access the relay menu Set 1 Directly access the set point menu for relay 1 through 8 Rly d Disab...

Page 73: ...R to take you to the next level then pressing the Up arrow until you arrive at the RESET menu Press ENTER to assign the RESET menu to the selected function key or digital input Now when the scanner is...

Page 74: ...r 4 The display will show 4 nmA The PD6080 6081 mA output should now be close to 4 mA Press Enter and the display will show 04 000 Enter the actual value read by the digital mA meter and press Enter 5...

Page 75: ...ss Menu to exit calibration without saving the changes Error Message Error An error message indicates that the calibration or scaling process was not successful After the error message is displayed th...

Page 76: ...ase Master s Transmit Delay e g Snooper delay 100ms Master delay 110ms 2 Increase Snooper s byte to byte timeout 3 Decrease the slave device s transmit delay to 10ms 4 Snooper cannot read the same PV...

Page 77: ...start the setup process from the factory defaults Instructions to load factory defaults 1 Enter the Advanced Features menu see page 58 2 Press Up arrow to go to Diagnostics menu 3 Press and hold Righ...

Page 78: ...Channels which may have each performed a different Math function The dual line display can be customized by the user Typically the upper display is used to display the PV while the lower display is us...

Page 79: ...th the integrated meter The symbols by each SafeTouch button correspond to a mechanical button as shown in the above table SafeTouch Button Tips To the extent possible install the display facing away...

Page 80: ...oat decimal point Flot dp ddd ddd Number of points No pts 2 all PVs and C channels Scaling SCalE pv 1 All Input 1 InP 1 0 000 Display 1 Dis 1 0 000 Input 2 InP 2 10 000 Display 2 Dis 2 10 000 Math cha...

Page 81: ...og out Dis 1 00 00 00 Output 1 value Out 1 4 000 mA Display 2 analog out Dis 2 20 00 00 Output 2 value Out 2 20 000 mA Parameter Display Default Setting Source analog output Source PV 1 Overrange outp...

Page 82: ...is consistent with the appropriate hazardous locations certifications If the instrument is installed in a high voltage environment and a fault or installation error occurs high voltage may be present...

Page 83: ...079 31 2008 EN 61000 6 4 2007 EN 61010 1 2001 and EN 61326 2006 are no longer harmonized The requirements of these standards have been checked against the harmonized standard EN 55022 2010 EN 60079 0...

Page 84: ...55 8990 www predig com LIM8 6080_D SFT088 Ver 2 010 up 12 18 How to Contact Precision Digital For Technical Support Call 800 610 5239 or 508 655 7300 Fax 508 655 8990 Email support predig com For Sale...

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