USER`S MANUAL
Contents
1. Apparatus 22 8 3 Relay outputs 23 9 INSTALLATION 25 9 1 Wall Mounting 25 9 2 Panel Mounting 26 9 3 Removing The Front Panel 27 9 4 The Main Electronics 29 9 5 30 9 6 Terminal Designations 30 INDEX ree e rrr ee eL e L LT 31 Model 314di HP 301 HP 301 Model 314di Introduction 1 1 INTRODUCTION The Model 314di Batch Controller accepts a pulse or frequency flow signal and automatically controls the batching of fluids via a one or two stage control valve The instrument displays the Preset value a Resettable Batch Total and an Accumulated Total directly in engineering units The Batch Controller is intrinsically safe and can be used in hazardous areas provided it is connected as directed to approved flowmeters and control solenoids The Model 314di is fully programmable with K factors decimal point positions valve delays and signal timeou2. INJURY TO OR DEATH OF ANY PERSONS HFC NEITHER ASSUMES NOR AUTHORIZES ANY PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNECTION WITH THE SALE OR USE OF HFC s GOODS AND THERE ARE NO ORAL AGREEMENTS OR WARRANTIES COLLATERAL TO OR AFFECTING THE AGREEMENT PURCHASER S SOLE AND EXCLUSIVE REMEDY IS THE REPAIR AND OR REPLACEMENT OF NONCONFORMING GOODS AS PROVIDED IN THE PRECEDING PARAGRAPHS HFC SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT INCIDENTAL OR CONSEQUENTIALDAMAGES HFC 9907 Limited Warranty POLICY FOR Hoffer Flow Controls HOFFER FLOW CONTROLS INC HFC warrants HFC s Precision Series and API Series of turbine flowmeters to be free from defects in material and workmanship under normal use and service only if such goods have been properly selected for the service intended properly installed and properly operated and maintained as described in the turbine flowmeter manual Reference turbine flowmeter manual for specific details This warranty shall extend for a period of five 5 years from the date of shipment to the original purchaser and covers the Precision Series and API Series of flowmeters All other HFC products carry a one 1 year warranty This warranty is extended only to the original purchaser Purchaser Purchaser s sole and exclusive remedy is the repair and or replacement of nonconforming goods as provided in the following paragraphs In the event Purchaser believes the Ho
3. MOUNT WITH UNION SEE NOTE 5 6 2 GALVANIZED PIPE BRACKET SEE NOTE 6 POWER OPTIONS MODEL 314di B OPTION 3 1228 VDC OPTIONS MODEL 314di __ __ C_ OPTION CE INTEFERENCE CE COMPLIANCE CEN CENELEC CSA NRTL C AND SAA APPROVAL NOTES 1 MUSTUSEISM INTRINSICALLY SAFE MAGNETIC COIL FOR INTRINSICALLY SAFE SYSTEM 2 STANDARD COILS ARE SUITABLE FOR SYSTEMS THAT DO NOT REQUIRE INTRINSICALLY SAFE 3 LCD DISPLAY 7 DIGIT 0 4 10MM TOTAL CONTINUOUSLY DISPLAYED 4 DIGIT 0 33 85MM CONTINUOUSLY DISPLAYED RATE ACCUMULATED DISPLAYED BY KEY DEPRESSION 4 BATTERY LIFE FULL 2 YEARS IF CONTINUOUSLY USED HP 301 Model 314di Introduction 2A 5 1 RISER IS REQUIRED ON TURBINE FOR MOUNTING OPTION 4 OR 5 6 AGALVANIZED METAL BRACKET ENABLES THE UNIT TO BE ATTACHED TO A 2 VERTICAL OR HORIZONTAL PIPE 7 BARRIERS ARE REQUIRED FOR THE DC POWER AND FOR AS SOLENOIDS OR RELAYS 8 CAN NOT BE USED WITH MF SERIES APPROVALS CENELEC CSA NRTL C amp SAA APPROVED INTRINSICALLY SAFE WATER TIGHT TO IP67 NEMA 4X oa 1203551 PRESET 5 3 STOP J E OTA E Model 314di HP 301 Introduction 3 1 2 Intrinsic Safety Considerations The Model 314di is certified for use in hazardous areas to CENELEC and CSAusyc standards Approval details are as follows CENELEC Approval 98 E 1873X Type of Protection Ex ia
4. of powering the solenoids or sensors if they require external power see Section 6 for a further description of operation with battery backup Solid state relay outputs provide control to solenoids or relays and can sink up to 200mA The outputs are internally protected against voltage spikes caused by relays and coils Connections for a dual stage applications is given on the following page For single style applications only Output 1 is required Specification for Outputs Maximum Current sink 200mA Maximum Voltage 30VDC Saturation Voltage 0 8VDC max across the outputs in the on state Isolation Both outputs are separately isolated Model 314di HP 301 16 Valve Control amp Dc Power Power 4 314di lt 3 Valve Control 1 4 Relay 1 3 r rc Opto Valve Control 2 Isolated A Outputs 6 Relay 2 5 Relays with DC Coils HP 301 Model 314di Battery Backup Version 17 6 BATTERY BACKUP VERSION The battery backup version of the Model 314di is designed to provide power backup for the instrument if the supply has been interrupted The two lithium battery packs provide sufficient capacity to power the instruments for up to 5 years and the operator is warned of a low power condition by a message on the LCD display Note No low battery warning will be displayed while there is external DC power connected New batteries can be purchased from Hoffer Flow Controls Inc an
5. 3 D DC Power Input 5 Decimal Point 13 Display 5 Display Contrast 29 Display Test 9 E Entity Parameters 3 Example 14 External Power 15 Model 314di F Flow Alarm 11 Flowmeter Input 18 Frequency Range 5 G Group 3 Input Circuit 19 Intrinsic Safety Connections 22 Isolation 5 K K factor 5 L Low Test 9 Model Number 2 Mounting 6 O Operating Temperature 6 Operation 7 P Panel Mount 26 Pneumatic System 24 PRESET 7 8 Prestop Quantity 13 Programming 12 R Reed Switches 18 Relays 15 Reset Switch 29 S Scaling Factor 13 Signal Timeout 11 Simple Apparatus 22 Solenoids 15 Specification 5 Start Time 13 Starting 8 Stopping 8 Switching Power 5 Switching Threshold 18 T Temperature 6 Temperature Class 3 Terminal Designations 30 Test Mode 9 Turbine Flowmeters 18 W Wall Mounting 25 HP 301
6. 4 high digits Displayed when the ACCUM TOTAL button is pressed 5 digits with 8 5mm 0 33 high digits The pulses per unit of measure e g pulses gallon is programmable in the range 0 0001 to 999 999 Decimal Point positions are fully programmable for batch total and preset OHz to 10kHz Link settable for Sinewave 15mV P P minimum Open Collector Reed Switch or Pulse 9 28 Vdc at 4mA maximum Two lithium battery packs The backup batteries will power the instrument for up to 5 years if no DC power is provided The batteries will not power the sensor or solenoid outputs Two open collector outputs suitable for driving DC solenoids or external relays 200mA 30VDC maximum 2 0Vdc max across the output in the on state Both outputs are separately isolated via opto isolators HP 301 6 Specification Physical Temperature Dimensions Protection Cable Entry Material Wall Mounting Pipe Mounting Turbine Meter Adapter Panel Mounting Cutout HP 301 Operating 20 C to 60 C 98mm 3 9 high x 152mm 6 0 wide x 43mm 1 7 deep cable glands not included Sealed to Nema 4X or IP67 standards By cable glands Polycarbonate and ABS Universal Mounting Bracket supplied as standard A galvanized metal bracket is available which enables the instrument to be attached to a 2 vertical or horizontal pipe An optional mounting stem is available for mounting the instrument direc
7. Group II B Temperature Class T4 at ambient temperature of 60 C CSAusic Approval File Number LR104840 5 Type Class 1 Groups C and D When installing in hazardous areas the instrument must be installed according to the guidelines in Sections 8 amp 5 and in accordance with local wiring standards for installation in hazardous areas Flowmeter Inputs Entity Parameters on the flowmeter input enable connection to a wide range of approved sensors Input Parameters are Ui 24V Ili 20mA Pi 320mW Maximum allowed internal capacitance is 0 002 UF Maximum allowed internal inductance is 0 mH Output Parameters are Uo 10 0V lo 9 0mA Maximum allowed external capacitance is 60 uF Maximum allowed external inductance is 1 5 H Model 314di HP 301 4 Introduction DC Power Input and Switching Outputs The power input and the relay outputs can be connected to LS circuits with the following maximum values per circuit Ui 28V Ii 93mA Pi 653mW Maximum allowed internal capacitance is 0 1 UF Maximum allowed internal inductance is 0 mH HP 301 Model 314di Specification 5 2 SPECIFICATIONS General Display Batch Total Accumulated Total Preset K factor Decimal Points Frequency Range Signal Type DC Power Input Battery Backup Type Function Outputs Outputs Switching Power Saturation Volts Isolation Model 314di LCD continuously powered 7 digits with 10mm 0
8. MODEL 314di Field Mounted Batch Controller USER S MANUAL HP 301 December 2002 H HOFFER FLOW CONTROLS INC The Turbine Flowmeter Company 107 Kitty Hawk Lane P O Box 2145 Elizabeth City NC 27906 2145 800 628 4584 252 331 1997 FAX 252 331 2886 www hofferflow com E mail info hofferflow com NOTICE Hoffer Flow Controls Inc makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose This manual has been provided as an aid in installing connecting DE operating and servicing this unit Every precaution for accuracy has been taken in the preparation of this manual however Hoffer Flow Controls Inc neither assumes responsibility for any omissions or errors that may appear nor assumes Honiy for an damages that result from the use of the products in accordance wit information contained in the manual HOFFER FLOW CONTROLS policy is to provide a user manual for each item supplied Therefore all applicable user manuals should be examined before attempting to install or otherwise connect a number of related subsystems During installation care must be taken to select the correct interconnecting wiring drawing The choice of an incorrect connection drawing may result in damage to the system and or one of the components Please review the complete model number of each item to be connected and locate the approp
9. ast Adjacent to this control is a RESET switch which can be used to reset the microprocessor Note that pressing this button will set the totals to zero and set the preset value to a default figure of 10 The Main Electronics DISPLAY CONTRAST RESET BATTERY CONNECTOR IDG Hz 0 209 1 E BATTERY gt m J lt BATTERY o o E 4 r Model 31441 301 30 Installation 9 5 Wiring When connecting the Model 314di it is good practice to use shielded cable The shield should be connected to earth at one end of the cable The other end of the shield should not be connected This wiring practice is mandatory in order to comply with the requirements for Electromagnetic Compatibility as per EMC Directive 89 336 EEC of the Council of the European Community 9 6 Terminal Designations All versions 8 Pulse Coil Input 7 Pulse Coil Input 6 Output 2 5 Output 2 4 Output 1 3 Output 1 DC Power 9 to 28V 1 DC Power OV HP 301 Model 314di INDEX A Accumulated Total 5 B Batch Operations 10 Batch Total 5 17 Battery Backup 5 C Cable Entry 6 CAL Sequences 12 CENELEC Approval 3 Control Outputs 10 CSAusc Approval
10. d replaced in the field without compromising the IS approvals There are two battery packs in each instrument and care must be taken to replace only one pack at a time so that there is always power connected to the memory Failure to do this may result in loss of totals and preset value 6 1 Power Interruption With the battery backup the Model 314di has the ability to resume a batch if the DC power is interrupted during a delivery The 314di will also totalize any incoming pulses while power is unavailable If a batch is in progress and the external DC power is lost both relay outputs will be deactivated and the batch will be paused The paused batch can only be restarted when the DC power returns However the paused batch will be terminated if the STOP key is pressed or if any totalizing of pulses causes the Batch Total to exceed the Preset Value Model 314di HP 301 18 Flowmeter Input 7 FLOWMETER INPUT 7 1 General Connections The Model 314di has an input conditioning circuit which will accept signals from most pulse or frequency producing flowmeters Links on the rear panel enable the input circuit to be configured for different signal types The input will interface directly to Turbine Flowmeters Open Collector Outputs Reed Switches Logic Signals Two Wire Proximity Switches The following pages give examples of interconnection to various signal outputs and a circuit diagram of the input is also pr
11. eout The Signal Timeout period defines a time interval which is used to detect if the flow has stopped If there is no signal input for a time greater than the Signal Timeout period the flow is deemed to have stopped A Signal Timeout period detects the loss of signal midway through a batch when the outputs are on In this case the Batcher will enter a Flow Alarm condition and switch off the outputs The Flow Alarm condition is maintained until acknowledged by pressing the STOP switch The alarm condition is also signaled to the operator by the PAUSE message being displayed either flashing or solid The instrument enables the user to program a time interval of up to 99 seconds to detect an absence of signal input If the Signal Timeout is set to 0 this function is disabled Model 314di HP 301 12 Programming 4 PROGRAMMING The Model 314di is fully programmable with all parameters being stored in memory The Program Mode can be entered in one of two ways 1 By removing the lower cover strip i e the dark gray strip along the bottom of the enclosure and turning it end for end and replacing it This brings a small magnet on the inside of the cover strip in close vicinity of a reed switch inside the instrument 2 By removing the front section of the enclosure which contains the main processor board and batteries Once removed the PRESET key is pressed to enter the Program Mode The PRESET switch is used to step throu
12. f P b 4 Plug in Terminals Panel Mount Bracket Rear View of 314di Panel Mount Case The cutout for the panel mount version is 142mm 5 6 wide x 88mm 3 5 high HP 301 Model 314di Installation 27 9 3 Removing The Front Panel The front of the instrument is removed as follows 1 Remove both the top and bottom cover strips i e the dark plastic strips on the front by levering a screwdriver under one end 2 Undo the seven screws retaining the front Note that the screws should not be removed from the front panel as they are retained by O rings 3 Pull the front panel free from the housing Replacing the front panel of the instrument is the reverse procedure However ensure that the front panel is aligned at both connector points before tightening the screws Model 314di HP 301 28 Installation ACCUM TOTAL 4 253551 5347 ACCUM TOTAL Lm J WW 10636557 PRESET 5 J STOP peny xj E y ss 7 301 Model 31441 Installation 29 9 4 The Main Electronics The front section of the housing contains the microprocessor display and the batteries if fitted It is possible to adjust the display contrast via a small potentiometer on the board The Display Contrast is shown below and this can be adjusted for optimum contr
13. ffer product is defective the product must be returned to HFC transportation prepaid by Purchaser within the appropriate warranty period relative to the product If HFC s inspection determines that the workmanship or materials are defective and the required maintenance has been performed and has been properly installed and operated the product will be either repaired or replaced at HFC s sole determination free of additional charge and the goods will be returned transportation paid by HFC using a transportation method selected by HFC Prior to returning the product to HFC Purchaser must obtain a Returned Material Authorization RMA Number from HFC s Customer Service Department within 30 days after discovery of a purported breach of warranty but not later than the warranty period otherwise such claims shall be deemed waived See the Return Requests inquiries Section of this manual If HFC s inspection reveals the Hoffer product to be free of defects in material and workmanship or such inspection reveals the goods were improperly used improperly installed and or improperly selected for service intended HFC will notify the purchaser in writing and will deliver the goods back to Purchaser upon receipt of Purchaser s written instructions and agreement to pay the cost of transportation If Purchaser does not respond within thirty 30 days after notice from HFC the goods will be disposed of in HFC s discretion HFC does not warrant the pr
14. gh the program CAL sequences and the and A keys the front panel are used to change and increment the flashing digits Six CAL steps are accessible in the Program mode The CAL number is displayed on the lower display and the parameter is displayed on the upper display Any batch in progress when the Program mode is entered is stopped and can not be resumed Also no incoming pulses are totalized while the unit is in the Program mode To exit the Program mode return the lower cover strip to its original position or refit the front panel HP 301 Model 314di Programming 13 4 Program Steps Step CAL 1 LRL 2 CALI CAL CALS CAL 5 SOFT Model 314di Comment Scaling Factor whole numbers Scaling Factor digits after the decimal point The Scaling Factor is the pulses per unit of measure e g pulses litre pulses gallon etc The Scaling Factor can be programmed in the range of 0 0001 999 999 Decimal Point for Total Display The total and preset quantity can be displayed with 0 1 2 or 3 decimal point places Start Time Delay The time in seconds 0 9 sec when Output 2 will switch on once the RUN key is pressed Prestop Quantity The quantity at which Output 2 will switch off before the end of the batch e g If the Preset quantity is 100 litres and the Prestop quantity is 2 litres Output 2 will switch off after 98 litres Signal Timeout A time period between 0 99 sec
15. ion Switch Action Display Comments Press PRESET 22345 00 Pressing PRESET returns the instrument to the Run mode and batches can now be run Note If there are no keys pressed within 10 seconds while the instrument is in preset mode it will return to the run mode saving the current value as the preset quantity Once programmed the Preset quantity will be retained in memory and will not alter until changed by the user The Preset quantity can only be set while the instrument is in a non operational state such as when the batch is complete or has been cancelled 3 1 2 Starting a Batch To start a batch press the RUN key The Total will then reset to zero and provided there is flow the Total display will start counting upwards The batcher has two output transistors and these are switched on and off as described in Section 0 3 1 3 Stopping The process can be stopped at any time by pressing the STOP switch This is indicated by the Pause message displayed on the screen either flashing or solid Once the process has been interrupted in this way it can be continued by pressing the RUN key or the process can be aborted by pressing the STOP switch a second time 3 1 4 Accumulated Total During a batch run the Accumulated Total can be displayed by pressing the ACCUM TOTAL key In the non operational state 1 when the batch is complete the ACCUM TOTAL key also functions as the PRESET key and enables the Preset quantity
16. oduct to meet the requirements of any safety code of any state municipality or other jurisdiction and Purchaser assumes all risk and liability whatsoever resulting from the use thereof whether used singlely or in combination with other machines or apparatus This warranty shall not apply to any HFC product or parts thereof which have been repaired outside HFC s factory or altered in any way or have been subject to misuse negligence or accident or have not been operated in accordance with HFC s printed instructions or have been operated under conditions more severe than or otherwise exceeding those set forth in the specifications FOR NON WARRANTY REPAIRS OR CALIBRATIONS consult HOFFER FLOW CONTROLS for current repair calibration charges Have the following information available BEFORE contacting HOFFER FLOW CONTROLS 1 P O number to cover the COST of the repair calibration 2 Model and serial number of the product and 3 Repair instructions and or specific problems relative to the product HFC 9907 CONTENTS 1 INTRODUCTION 1 1 1 Model Number Designation 2 1 2 Intrinsic Safety Considerations 3 2 SPECIFICATIONS 5 3 OPERATION 7 3 1 Front Panel O
17. onds during which if there is no flow measured the Outputs will both switch off and the PAUSE message will be displayed Software Version HP 301 14 Programming 4 2 Example A flowmeter produces 20 538 pulses per litre and has a maximum flowrate of 150 litres minute It is required to batch quantities in batches of around 300 litres and to alarm if there is no flow once the batch has started To increase the accuracy of the batch a two stage valve will be used and the flow will be slow prior to the end of the batch to enable a more accurate cutoff It has also been decided to reduce the flowrate 10 litres prior to the end of the batch The instrument is then programmed as follows Step Parameter Value Description CAL 01 00020 Scaling factor Whole numbers CAL Ge 5380 Scaling factor Decimals CAL 03 1 One decimal place CAL 09 1 One second delay on full flow to stop pipe hammer CAL 05 10 10 litre preset CAL 06 2 Two second signal timeout SOFT 1 XX Software Version HP 301 Model 314di Valve Control amp Dc Power 15 5 VALVE CONTROL amp DC POWER The Model 314di will operate from an external power source between 9 28Vdc and draws no more than 4mA This enables the instrument to be powered from AC voltage adaptors and eliminate the need to run AC voltage in the field As the instrument has an internal battery backup it will power the instrument if DC power is interrupted but these batteries are not capable
18. ovided For pulse or logic type signals the input switching threshold is 1 3 volts Hence the input signal must have a low voltage of less than 1 2 volts and a high voltage of greater than 1 4 volts For flowmeters with coils the minimum input voltage is 15mV P P All inputs are protected for over voltage up to 28 volts HP 301 Model 314di Flowmeter Input 19 3 3V Ipull up 0 uA PULSE link link 1 not installed Ipull up 15 uA PULSE link no external power Ipull up 150 uA PULSE link external power s Q3 INPUT COMPARATOR 825R 8 a t T LINK2 13V ilt pec bos bDBH o NPS LINK 3 E o o 400K COIL LINK 1 8258 0 01uF 0 1uF 100R Lo X Simplified Frequency Input Circuit Model 314di HP 301 20 Flowmeter Input 1 MAG Coil Link Settings COIL PULS E COIL PULS E C OO 7700 w ODO u 2300 DBL DBH DBL DBH Use shielded O O A cable NPS NPS 825R input impedance Very high input recommended impedance 2 Redi Pulse Pick up Pulse output N M4 V 9 28 Vdc al Link Settings I COIL PULS E 1 OO w OTTO 8 DBL DBH O Gs NPS 7 Note dt a 4 20mA output is installed the supply to the Redi Pulse must be isolated 3 Redi Pulse Pick up Open Collector with 15pA in
19. peration 7 3 1 1 Setting the PRESET Quantity 7 3 1 2 Starting a Batch 8 3 1 3 Stopping 8 3 1 4 Accumulated Total 8 3 2 TEST MODE 9 3 2 Batch Operations 10 3 2 1 Control Outputs 10 3 2 2 Signal Timeout 11 4 PROGRAMMING 12 4 Program Steps 13 4 2 Example 14 5 VALVE CONTROL amp DC POWER 15 6 BATTERY BACKUP VERSION 17 6 1 Power Interruption 17 7 FLOWMETER INPUT 18 7 1 General Connections 18 8 INTRINSIC SAFETY CONNECTIONS 22 8 1 Coils 22 8 2 Simple
20. rations The operation of the Batch Controller is shown below PAUSE Batch Quantity Run Stop Run Reached Run on state Transistor Output 1 on state Transistor Ouput2 gt Start Time 3 2 1 Control Outputs The two output transistors can be set up to control a single valve or a dual valve with slow stop and or slow start Alternatively the second output can be used to control a pump The output operation is shown above A time delay between the Start and the time when Output 2 switches on can be programmed to provide a soft startup The delay can range from 0 no delay to 9 seconds A Prestop quantity i e the quantity to the end of the batch can also be programmed to provide a slowdown of flow at the end of the batch thereby enabling precise quantities to be batched The process can be stopped at any time by pressing the STOP key whereby both outputs will immediately switch off The process can then be aborted and the batcher reset by pressing the STOP key again or the process continued by pressing the RUN key HP 301 Model 314di Operation 11 If the process is continued and the instrument was previously in the slow start or main control phases i e not the prestop phase the timer will be reset and a slow start will occur with a full time delay to ensure a correct start up The totals will not be reset and the batch quantity will remain unchanged 3 2 2 Signal Tim
21. riate manual s and or drawing s Identify all model numbers exactly before making any connections A number of options and accessories may be added to the main instrument which are not shown on the basic user wiring Consult the appropriate option or accessory user manual before connecting it to the system In many cases a system wiring drawing is available and may be requested from Hoffer Flow Controls This document contains proprietary information which is protected by copyright All rights are reserved No part of this document may be photocopied reproduced or translated to another language without the prior written consent of Hoffer Flow Controls Inc HOFFER FLOW CONTROLS policy is to make running changes not model changes whenever an improvement is possible This affords our customers the latest in technology and engineering The information contained in this document is subject to change without notice THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE HFC SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OR LOSS OF USE OF THE GOODS WITHOUT LIMITING THE GENERALITY OF THE FOREGOING THIS EXCLUSION FROM LIABILITY EMBRACES THE PURCHASER S EXPENSES FOR DOWNTIME OR FOR MAKING UP DOWNTIME DAMAGES FOR WHICH THE PURCHASER MAY BE LIABLE TO OTHER PERSONS DAMAGES TO PROPERTY AND
22. ternal pullup current A Link Settings V 12 28 Vdc gt PULS i w OOD LD w Ol TO 8 DBL DBH Lua O gung NPS 7 Note ra 4 20mA output is installed the supply to the Redi Pulse must be isolated HP 301 Model 314di Flowmeter Input 21 4 Squarewave CMOS or Pulse Link Settings E com PULS E O O G n2 OTTO COT DBL DBH Common Lk3 O BEA NPS A Switching threshold voltage 1 3 voltsl J 5 Open Collector with 1514A 150uA internal pullup current N M Link Settings Y 8 PULS E O O GG P amp no OTTO 7 DBL DBH O NPS CN Reed Switch Battery Powered with 151A internal pullup current Link Settings COIL 5 MN 215 GG V w OG SS 17 DBL DBH I Lk3 O NPS A J Note For a switch or reed input with contact bounce link DBL can be installed This will eliminate the effect of switch bounce while limiting the input frequency to 200Hz Model 314di HP 301 22 Intrinsic Safety Connections 8 INTRINSIC SAFETY CONNECTIONS When installing the Model 314di in hazardous areas the wiring and installation must comply with local installation standards 8 1 The Model 314di will connect directly to a turbine flowmeter or paddlewheel with a certified LS coil or other certified L S sensors which produce a pulse output provided they do not e
23. tly on turbine flowmeters which have a 1 MNPT boss or 1 BSP boss Supplied with mounting brackets Terminals accessible from rear The panel mount version is NOT watertight 142mm 5 6 wide x 88mm 3 5 high Model 314di Operation 7 3 OPERATION The Model 314di Batch Controller accepts a frequency or pulse input from a wide range of flowmeters The instrument is fully programmable from the front panel The setup parameters are stored in a non volatile memory and are retained for at least 10 years in the event of a power loss 3 1 Front Panel Operation Three keys on the front of the instrument provide an easy and straight forward method to set up batches and control operations The three keys each have dual functions as described below ACCUM RUN STOP TOTAL gt A PRESET Front Panel Keys 3 1 1 Setting the PRESET Quantity The Batch quantity is programmed as follows Switch Action Display Comments Press PRESET The Accumulated Total together with the Preset quantity is displayed 1 2345 The most significant digit of the Preset quantity flashes indicating that it can be changed Press A 2 2345 Pressing the key will increment the digit The up arrow on the Stop key indicates to increment the digit Press gt 2 2 345 Pressing the gt key will change digit and enables the next digit to be incremented The right arrow on the RUN key indicates to change digit Model 314di HP 301 8 Operat
24. to be changed The Accumulated Total cannot normally be reset except by pressing the internal Reset button see Section 9 4 Pressing this button will also reset all the setup parameters HP 301 Model 314di Operation 9 3 2 TEST MODE The 314di has a Test Mode which can be entered and exited by pressing and holding all 3 front panel keys in certain sequences to avoid accidental entry or falsely starting a batch To enter Test Mode all 3 front panel keys should be pressed and held in the following order the STOP key then the ACCUM TOTAL key and finally the RUN key Note the test mode cannot be entered while the instrument is in program mode or preset mode The tests are as follows Relay 1 Test By pressing the RUN key the display will show the test for Relay 1 The output will only activate while the RUN key is being pressed Relay 2 Test By pressing the STOP key the display will show the test for Relay 2 The output will only activate while the STOP key is being pressed Display Test By pressing the PROGRAM key all segments of the display will flash Note the relay outputs are only operated when external DC power is present And any batch in progress when test mode is entered is stopped and cannot be resumed To exit Test Mode all 3 front panel keys should be pressed and held in the following order the ACCUM TOTAL key then the STOP key and finally the RUN key Model 314di HP 301 10 Operation 3 2 Batch Ope
25. ts being programmed via the front panel switches Switches on the input board enable the input to be readily configured for most applications including turbine flowmeters paddlewheel flowmeters reed switches and Namur proximity switches The instrument is housed in an attractive polycarbonate enclosure which is completely watertight A universal bracket is supplied as standard for wall mounting while an optional pipe or panel mounting brackets is also available This instrument conforms to the EMC Directive of the Council of European Communities 89 336 EEC and the following standards Generic Emission Standard EN 5008 1 1 Residential Commercial amp Light Industry Environment Generic Emission Standard EN 50081 2 Industrial Environment Generic Emission Standard EN 50082 1 Residential Commercial amp Light Industry Environment Generic Emission Standard EN 50082 2 Industrial Environment In order to comply with these standards the wiring instructions in Section 9 5 must be followed Model 314di HP 301 2 Introduction 1 1 Model Number Designation MODEL 314di DC POWERED BATCH CONTROLLER INTRINSICALLY SAFE TO BE USED ONLY WHEN APPROVALS ARE REQUIRED MODEL 314di A C TYPE OF MOUNTING POWER OPTIONS OPTIONS TYPE OF MOUNTING MODEL 314di OPTION A 0 NO CABLE ENTRY HOLES 2 WALL MOUNT WITH CABLE GLANDS 4 1 NPT BOTTOM MOUNT WITH UNION SEE NOTE 5 5 1 NPT REAR
26. uts must be kept as independent IS circuits via a common barrier Model 314di HP 301 24 Intrinsic Safety Connections Solenoid Only certified intrinsically safe solenoids may be used for LS applications Because these solenoids have a relatively small coil they are only usually suitable for small line sizes and non viscous products Generally it is preferable to use a pneumatic system with the solenoid valves controlling air to a larger pneumatically controlled valve HP 301 Model 314di Installation 25 9 INSTALLATION 9 1 Wall Mounting A wall mounting bracket is supplied with each instrument The bracket should be attached to the wall using round head screws do not use countersunk screws The bracket is mounted with the tray section at the bottom The instrument is then attached to the bracket at the bottom with two screws see diagram below 12536571 PRESET 5341 SS A Model 31441 301 26 Installation 9 2 Panel Mounting The panel mount version of the Model 314di is supplied with two panel mount brackets and plug in terminals which are accessible from the rear of the instrument A diagram of the rear panel is shown below Thumb Screw a a hd Model 314di INPUT RELAY2 RELAY1 POWER N
27. xceed the following input parameters Ui 24V 20mA Pi 320mW The maximum allowed capacitance and inductance of the pulser or coil including cabling is Cext 60uF Lext 1 5H The internal capacitance and inductance of the Model 314di seen on the input are negligibly small with Ci 0 02 uf and Li OmH The maximum voltage and current produced by the Model 314di on its inputs terminals 8 amp 7 are Uo 10 0 volts open circuit Io 9 0mA short circuit 8 2 Simple Apparatus Devices such as reed switches which can be classed as Simple Apparatus as defined in the CENELEC standard EN50020 can be connected to the Model 314di without certification HP 301 Model 314di Intrinsic Safety Connections 23 SAFE AREA HAZARDOUS AREA BARRIER 1 I S Barrier Uo 28 V maximum lo 93 mA maximum Po 653 mW Approved I S Coil BARRIER 2 I S Barrier Uo 28 V maximum lo 93 mA maximum Po 653 mw Approved I S Coil x Output 2 Example Barriers Stahl 9001 01 280 085 10 MTL 708 Cable Length 1 km Model 314di Batch Controller 8 3 Relay outputs The relay outputs can be connected to suitably certified devices providing the circuit is protected with the maximum safety parameters Ui 28V 93mA Pi 653mW Maximum allowed internal capacitance is 0 1 UF Maximum allowed internal inductance is 0 mH Note that the two relay outp
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