Hoffer 214D-1 User Manual Download Page 29 | Manualshive

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Operation

21

HP289

Connection of Output Pulse/Flow Alarm is as follows:

Driving an External Relay or Impulse Counter

Driving a Logic Input such as a PLC or Electronic Counter

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Summary of Contents for 214D-1

Page 1: ...4D 1 Batch Controller HP 289 November 2002 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 USER S...

Page 2: ...HP289...

Page 3: ...ng 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...

Page 4: ...0 628 4584 BEFORE RETURNING ANY PRODUCT S TO HOFFER FLOW CONTROLS PURCHASER MUST OBTAIN A RETURNED MATERIAL AUTHORIZATION RMA NUMBER FROM HOFFER FLOW CONTROLS CUSTOMER SERVICE DEPARTMENT IN ORDER TO A...

Page 5: ...lation of Rate and Total 16 3 3 1 Frequency Input 16 3 3 2 Filtering 17 3 4 Total Conversion 19 3 5 The Output Pulse and Flow Alarm 20 4 Options 22 4 1 The RS232 422 485 Interface Option 22 4 1 1 Hard...

Page 6: ...HP289...

Page 7: ...all four front panel switches to be remotely connected via the rear panel terminal strip The instrument is fully configurable with all calculation constants set via the front panel switches and stored...

Page 8: ...SIC UNIT SINGLE CHANNEL HIGH SPEED SEE NOTE 6 LA 4 20 MA TEMPERATURE LR RTD 4 WIRE LINEARIZED Q QUADRATURE BI DIRECTIONAL FLOW SEE NOTE 3 ANALOG COMMUNICATIONS MODEL 214D B OPTION B 0 NO OPTIONS OTHER...

Page 9: ...C 50 MA MAX FIELD ADJUSTABLE 3 10 POINT LINEARIZATION WITH INPUT OPTIONS LA LR AND Q THE Q OPTION CAN BE CONFIGURED WITH EITHER THE LA OR LR OPTION SINGLE POINT K FACTOR WITH INPUT OPTIONS 1 AND 1H 4...

Page 10: ...Introduction HP289 2B This page intentionally left blank...

Page 11: ...0 C to 55 C standard Dimensions 5 7 144mm wide x 2 8 72mm high x 7 0 178mm deep Cutout 5 5 139mm wide x 2 6 67mm high Frequency Input Frequency Range Minimum 0 25Hz on Rate 0Hz on Total Maximum 10KHz...

Page 12: ...ut Pulse Width 10msec negative going pulse Maximum Duty Cycle 49 pulses per second Output Open collector transistor will sink 100mA Scaling The pulse output is scaled and outputs one pulse each time t...

Page 13: ...ent is fully configurable with all operating parameters and calculation constants user settable See Section 5 entitled Configuration for information on configuring All parameters and constants are sto...

Page 14: ...nt digit Press w 2 2 345 Pressing the RUN key will change digit and enable the next digit to be incremented The right arrow on the RUN key indicates to change digit Press BATCH SET Set Once the desire...

Page 15: ...D will flash to prompt the operator to either restart or abort the batch 3 1 4 Resetting The instrument can be configured to reset in one of two ways At the end of a batch the STOP key must be pressed...

Page 16: ...y the accumulated total The Accumulated Total cannot be reset during normal operation 3 1 6 Limit on Batch Size To prevent accidental entry of large batch quantities a maximum batch limit can be set d...

Page 17: ...tch Operations The Batch Control functions can be configured to operate in one of two ways 1 At the end of the batch the STOP key must be pressed to reset the Batch Total This must be done before anot...

Page 18: ...f Automatic Reset is configured on a new batch is commenced each time the RUN key is pressed The Batch Controller can be configured to either count up from zero on each batch or to count down from the...

Page 19: ...d of the batch can also be set 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 w...

Page 20: ...ne the amount of overrun It is recommended that Signal Timeout periods be kept fairly short but long enough such that the timeout period is significantly longer than the time period between successive...

Page 21: ...eset or restarted until the End of Batch and similarly for an RS232 422 485 interface data will not be output until the End of Batch has been determined Consequently it is strongly recommended that th...

Page 22: ...nced After reaching the End of Batch see Section 3 2 3 the Batch Controller will then wait for a pre programmed period before automatically resetting and starting the batch process again The STOP key...

Page 23: ...is erratic such as may occur with changing back pressures or sticking valves In calculating the amount of overrun to be compensated for the Batch Controller uses the average overrun on the last three...

Page 24: ...s the timebase of rate and is 1 for seconds 60 for minutes 3600 for hours and 86 400 for days S is the Scaling Factor The Scaling Factor S is equal to the K factor of the flowmeter expressed in pulses...

Page 25: ...tering is fully configurable which means that highly accurate and stable readings can be obtained without excessive lag The diagram below shows a pulsating signal input together with the effect of fil...

Page 26: ...99 1 0 0 2 1 2 4 2 4 6 3 6 10 5 11 15 8 17 20 11 22 25 14 28 35 20 40 45 25 51 60 34 69 75 43 86 90 52 103 99 57 113 Table 1 Response to a step Input in seconds Note if A is set to 1 there is NO filte...

Page 27: ...ited between 0 01 and 2000 For Example If the Rate is required in gallons per minute 1 The Scaling Factor would be set to pulses per gallon 2 The timebase would be set to minutes If the Totals are req...

Page 28: ...cumulated Total must be set so that the Accumulated Total increments at less than 49 counts per second Note that due to the uneven pulse output spacing on this output the pulse output cannot be used t...

Page 29: ...Operation 21 HP289 Connection of Output Pulse Flow Alarm is as follows Driving an External Relay or Impulse Counter Driving a Logic Input such as a PLC or Electronic Counter...

Page 30: ...ument 4 1 1 Hardware The following diagram provides an overview of the RS232 RS422 RS485 communications hardware All three interfaces are available on the rear terminal strips and the user can select...

Page 31: ...to the RS422 Data Out Terminal and the RS422 Data In Terminal must be connected to the RS422 Data Out Terminal These connections will convert the RS422 4 wire interface to the RS485 2 wire interface a...

Page 32: ...24 Options HP289 Figure 2 RS485 Interface...

Page 33: ...rinters and computers Since other interfaces will continue to be added the user should consult the factory for the latest protocols and or printer drivers Printer A ticket is printed each time the RES...

Page 34: ...tocol is also supported and the instrument will automatically determine if the message sent by the host computer is preceded by an Xoff character If it does recognize an Xoff as the first character of...

Page 35: ...ollows RUN changes a flashing digit to the next digit DISPLAY increments a flashing digit or changes a parameter selection BATCH SET resets a flashing digit to zero STOP steps through the configuratio...

Page 36: ...s using the DISPLAY key and by using the STOP key select the appropriate mode To exit Configuration step through the Setup program Batch program or Test program until the end and press the STOP key wh...

Page 37: ...ter 3 3 1 4 F dPt Number of decimal points with which the Rate is to be displayed between 0 to 0000 5 t base The Timebase with which the Rate is calculated must be entered as 3 2 1 60secs units min ho...

Page 38: ...Pt Number of decimal points with which the Accumulated non resettable total is displayed between 0 to 00 10 ACCESS Enable access to configuration routine via the front keyboard only Front Enable acces...

Page 39: ...mins sec after the end of the last batch 3 2 4 4 START T Slow start time xx xx Time in minutes seconds when Relay 2 will energize once the batch has started 3 2 5 PREST Prestop Quantity xxxx Quantity...

Page 40: ...inal 30 PC Pump Control EOB End of Batch output 10 AUTO R Auto Reset not displayed if Auto Restart is programmed Step 3 above 3 2 Off Batch Total must be manually reset before starting the next batch...

Page 41: ...ths years USA USA i e months days years 3 Date Enter date as 4 1 xx xx xx Years Months Days 4 HOUR Enter time as a 24 hour clock xx xx Hours Minutes 5 BAUD Baudrate xxxx 300 600 1200 2400 4800 or 9600...

Page 42: ...otocol is selected the following message is displayed 11 UNIT xx Units of measurement printed 00 None 01 Liters Ltrs 02 Gallons Gals 03 Barrels bbls 04 Pounds lbs 05 Grams gms 06 Kilograms kgs 07 Tons...

Page 43: ...ameters 5 1 BATCH Set Batch Parameters 5 2 OPTION Options if installed 5 3 The following steps are displayed when TEST is selected 2 Sr x xx Software revision number 3 Freq Displayed for 1 second foll...

Page 44: ...can supply a maximum of 50mA 6 1 Input Circuit for the 214D Series The 214D Series has an input conditioning card which will accept signals from most pulse or frequency producing flowmeters An 8 posit...

Page 45: ...c Namur Proximity set DC out to 8 volts 11 9 off off on on on off off off d Switch or Reed Switch with debounce circuit 200Hz max 9 8 off off off off on off on on e Coil 20mV P P minimum 9 8 off on o...

Page 46: ...38 Input Circuits HP289 The Frequency Input Circuit...

Page 47: ...Input Circuits 39 HP289 1 MAG Coil 2 Redi Pulse CMOS or Pulse 3 Redi Pulse Open Collector...

Page 48: ...40 Input Circuits HP289 4 Squarewave CMOS or Pulse 5 Open Collector 6 Reed Switch...

Page 49: ...Input Circuits 41 HP289 6 2 Remote Key Switches Remote push buttons can be connected to the Model 214D 1 to duplicate the keys on the front panel The switches are wired as follows...

Page 50: ...Voltage is provided to power sensors This output will provide a regulated voltage of 8 to 24 volts and the voltage is adjustable by means of the potentiometer on the rear panel Maximum current is 50m...

Page 51: ...sons To limit the amount of electrical noise caused by arcing across the relay contacts which may in extreme cases cause the microprocessor to act erratically To protect the relay contacts against pre...

Page 52: ...Ground 13 DC Power Input 14 Not Used Terminal RS232 422 485 Option 20 RS232 Signal Ground 21 RS232 Data in 22 RS232 Data Out 23 RS422 485 Data Out 24 RS422 485 Data Out 25 RS422 485 Data In 26 RS422...

Page 53: ...gnal Timeout period is significantly longer than the period between flowmeter pulses at the minimum flowrate No display Check for power to the instrument All 88888888 displayed The Batcher displays al...

Page 54: ...een given to designing the Batch Controller to withstand electrical interference However in extreme cases loads may be encountered which are exceptionally inductive and may require additional protecti...

Page 55: ...odes are displayed as Err and a list of the commonly encountered codes are given below Input Errors 11 Invalid input configuration programmed 13 Signal Timeout see Section 3 2 2 14 Communications Inpu...

Page 56: ...Flow Alarm 12 Flowrate calculation 16 Frequency Input 16 Frequency Range 3 Front Panel 6 G Ground 42 Ground Lug 42 grounding point 42 I Identification Number 33 Inductive Loads 43 Input Circuits 36 In...

Page 57: ...Setup Parameters 27 Signal Timeout 12 Slow Start 11 Slow Stop 11 Snubbers 43 Specification 3 Starting 7 Stop Key 11 Stopping 7 Supply Output 42 Switch Settings 37 Switching Threshold 37 T Terminal Des...

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