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Safety 1

www.hofferflow.com

E-mail: [email protected]

107 Kitty Hawk Lane, P.O. Box 2145, Elizabeth City, NC 27906-2145

800-628-4584 252-331-1997 FAX 252-331-2886

Model: CAT3-DC-MIL

DC Powered Microprocessor

Controlled Transmitter

Style 5 Enclosure

USER’S MANUAL

107 Kitty Hawk Lane

●

P.O. Box 2145

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Elizabeth City, NC 27909

1-800-628-4584

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(252) 331-1997

●

Fax (252) 331-2886

www.hofferflow.com email: [email protected]

HP-324-5

January 2018

Содержание CAT3-DC-MIL

Страница 1: ...45 800 628 4584 252 331 1997 FAX 252 331 2886 Model CAT3 DC MIL DC Powered Microprocessor Controlled Transmitter Style 5 Enclosure USER S MANUAL 107 Kitty Hawk Lane P O Box 2145 Elizabeth City NC 2790...

Страница 2: ......

Страница 3: ...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 reprod...

Страница 4: ...d and or improperly selected for service intended HFC will notify the purchaser in writing and will deliver the goods back to Purchaser upon i receipt of Purchaser s written instructions and ii the co...

Страница 5: ...ontains the information required to install operate maintain and repair a CAT3 DC MIL Flow Rate Signal Converter The CAT3 DC MIL unit is intended to provide ships personnel with the ability to monitor...

Страница 6: ...HP 324 5 ii This page intentionally left blank...

Страница 7: ...Analog Output 8 4 4 Scaled Pulse Output 9 4 5 Communications Interface 9 5 Installation 11 5 1 Wiring 11 6 Preventative Maintenance 13 6 1 Introduction 13 6 2 Unit Removal 13 7 Troubleshooting 15 7 1...

Страница 8: ...HP 324 5 iv This page intentionally left blank...

Страница 9: ...C MIL Fuel Metering unit is designed to satisfy the safety requirements for shipboard use The safety precautions and warnings described here are to be observed at all times Additional precautionary me...

Страница 10: ...2 Safety HP 324 5 This page intentionally left blank...

Страница 11: ...IANCE This instrument is designed to conform to the EMC Directive of the Council of European Communities 89 336 EEC This instrument has been certified to meet MIL S 901D for shock and vibration and MI...

Страница 12: ...4 Compliance HP 324 5 This page intentionally left blank...

Страница 13: ...deg C Pulse output 0 5 0 10V Open Collector AC square Internal pull up resistor 10k Ohms Recommended load min 50k Ohms Maximum Pulse 1 2 4 8 100 50 Duty Cycle Frequency Pulse Scaling Per flow unit of...

Страница 14: ...T3 A OPTION A 1 MAG COIL PULSE DRY CONTACT LINEARIZED PULSE OUTPUT MODEL CAT3 B OPTION B 4 AC SQUARE WAVE LINEARIZED ANALOG OUTPUT MODEL CAT3 C OPTION C 1 4 20 MA POWER SUPPLY MODEL CAT3 D OPTION D DC...

Страница 15: ...int linearization is available to correct for flowmeter non linearity improving overall system accuracy CAT3 DC MIL Block Diagram 4 1 Preamplifier The Preamplifier receives signals from the flow senso...

Страница 16: ...trols the current of the loop The Loop Driver also supplies power to the Microcontroller The analog output is updated 8 times per second 8 Hz When flow stops the time for the analog output to return t...

Страница 17: ...will be output for each tenth 0 1 of a unit of measure Changing the Pulse Scale to 10 would result in an output pulse for each 1 0 unit of measure The output must be scaled so that the pulse frequency...

Страница 18: ...10 Operation HP 324 5 This page intentionally left blank...

Страница 19: ...t and output signals The shield should be connected to the earth ground lug on the CAT3 DC MIL The shield on the opposite end of the cable should be left open This wiring practice is mandatory in orde...

Страница 20: ...12 Installation HP 324 5 This page intentionally left blank...

Страница 21: ...ished by the Naval Sea System Command for fuel system components 6 2 Unit Removal 1 Turn off the power supply 2 Open the Style 5 enclosure and unplug the 10 pin terminal from the header 3 Remove the t...

Страница 22: ...14 Preventative Maintenance HP 324 5 This page intentionally left blank...

Страница 23: ...ecting signal cable for broken or shorted leads 2 With an established flowrate configure the digital multimeter to measure AC volts using the two volt scale Measure voltage at the terminal on Pin 3 SI...

Страница 24: ...w sensor manual 7 2 2 Symptom Flow indication with no flow present This symptom indicates the presence of electrical noise pickup 1 Disconnect the signal cable from the electronics unit and from the f...

Страница 25: ...4999 986 FREQUENCY 7 4999 987 FREQUENCY 8 4999 988 FREQUENCY 9 4999 989 FREQUENCY 10 4999 990 FREQUENCY 11 4999 991 FREQUENCY 12 4999 992 FREQUENCY 13 4999 993 FREQUENCY 14 4999 994 FREQUENCY 15 4999...

Страница 26: ...ACTOR 18 1 00 K FACTOR 19 1 00 K FACTOR 20 1 00 CORRECTION FACTOR 1 000 TOTAL UNITS GAL RATE UNITS MIN MAX SAMPLE TIME 01 4 MA SETTING 00000 000 20 MA SETTING 99 999 PULSE SCALE OFF PULSE OUT FREQUENC...

Страница 27: ...parameters must be updated whenever the flow sensor is re calibrated The serial port may be accessed by removing the two screws from the top plate of the blue enclosure External power must be supplie...

Страница 28: ...20 Appendix C Drawings HP 324 5 Appendix C Drawings...

Страница 29: ...Appendix C Drawings 21 HP 324 5...

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