Universal Flow Monitors MH Series Скачать руководство пользователя страница 20 | Manualshive

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EX-MANUAL-032321

20

COMMAND #129: WRITE LOW ALARM SETPOINT

Writes the setpoint for the Low Alarm

REQUEST DATA BYTES

Byte

Format

Description

0-3

Float

Low Alarm Setpoint

RESPONSE DATA BYTES

Byte

Format

Description

0

Enum

PV Unit value

1-4

Float

Low Alarm Setpoint

COMMAND-SPECIFIC RESPONSE CODES

Code

Class

Description

0

Success

No Command-Specific Errors

1-15

Undefined

16

Error

Access Restricted

17-31

Undefined

32

Error

Busy

33-127

Undefined

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18
19
20
21
22
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Содержание MH Series

Страница 1: ...ion Manual Flowmeter Series PI MN MM MH Equipped with E control boxes including 4 20 mA transmitter Universal Flow Monitors Inc 1755 E Nine Mile Road P O Box 249 Hazel Park MI 48030 Tel 248 542 9635 Fax 248 398 4274 www flowmeters com E mail ufm flowmeters comWebsite http www flowmeters com ...

Страница 2: ...CATIONS 11 PURPOSE 11 WHO SHOULD USE THIS DOCUMENT 11 ABBREVIATIONS AND DEFINITIONS 11 REFERENCES 11 DEVICE IDENTIFICATION 12 Product Overview 12 Product Interfaces 12 Process Interface 12 Magnetic Sensors 12 Host interface 13 Analog Output 1 Process Flow 13 Local Interfaces Jumpers and Switches 14 DEVICE VARIABLES 15 Dynamic Variables 15 Status Information 16 Device Status 16 Extended Device Stat...

Страница 3: ...Write High Alarm Setpoint 21 Command 131 Reset Totalizer 22 Tables 23 Flow Unit Codes 23 Unit Conversion 23 Performance 24 Sampling Rates 24 Power Up 24 Reset 24 Self Test 24 Command Response Times 24 Busy and Delayed Response 25 Long Messages 25 Non Volatile Memory 25 Modes 25 Write Protection 25 Damping 25 Annex A Capability Checklist 26 Collector Alarm available with LCD 27 RMA NOTICE RETURN ME...

Страница 4: ...EX MANUAL 032321 4 RMA FORM 32 WARRANTY INFORMATION 33 ...

Страница 5: ...ration and maintenance of the instruments described herein Publication of this information does not convey any rights of use or reproduction other than in connection with the installation operation and maintenance of the equipment described herein Universal Flow Monitors Inc reserves the right to change the information contained in this publication at any time and without prior notice NAMEPLATES A...

Страница 6: ... doit être isolé au minimum en téflon de calibre 20 AWG et d une capacité nominale de 600 V et de 200 C Il est recommandé d inclure un interrupteur général ou un disjoncteur à proximité de cet équipement GROUNDING For protection against electrical shock in case of a fault connect an external earth ground to the grounding screws or lugs provided inside this instrument Such attachment points are ide...

Страница 7: ...ecific use stated at time of order Any other use may cause injury Read instructions before using AVERTISSEMENT RISQUE ÉLECTRIQUE DÉBRANCHEZ L ALIMENTATION AVANT DE RETIRER LE COUVERCLE Cet instrument a été fabriqué pour l usage spécifique indiqué au moment de la commande Toute autre utilisation peut causer des blessures Lisez les instructions avant de l utiliser ...

Страница 8: ...ition as long as proper piping installation requirements are observed This includes sufficient support of adjacent piping to minimize the system s inherent vibration Unions of the same pipe size and full port isolation ball valves may be installed for ease of removal and servicing of equipment if necessary ...

Страница 9: ...ax See chart below for Maximum Load Resistance vs Supply Voltage ENCLOSURE RATINGS APPROVALS FM APPROVALS CLASS I DIV1 GROUPS B C AND D T6 CLASS II III DIV 1 GROUPS E F AND G T6 CLASS I ZONE 1 IIB H2 T6 ZONE 21 GROUP IIIC T85 C ZONE 1 per CEC 18 100 ZONE 21 per CEC 18 200 TYPE 4X IP66 Ta 40 C to 69 C 40 F to 156 F Compliance with EMC standards requires a cable length of 30 feet 9 m or less ACCURAC...

Страница 10: ...EX MANUAL 032321 10 MOUNTING Flow Meters with the Style E enclosures may be mounted in any orientation which best suits the user s needs especially as it pertains to readability of the LCD readout ...

Страница 11: ...scription of this Field Device from a HART Communication perspective WHO SHOULD USE THIS DOCUMENT The specification is designed to be a technical reference for HART capable Host Application Developers System Integrators and knowledgeable End Users It also provides functional specifications e g commands enumerations and performance requirements used during Field Device development maintenance and t...

Страница 12: ...ent of the shaft on standard UFM flowmeters MN MM MH and PI model flow meters as manufactured by Universal Flow Monitors Inc The analog output of this device is linear with flow over the working range of all supported flowmeters PRODUCT INTERFACES PROCESS INTERFACE MAGNETIC SENSORS There are two built in hall effect sensors measuring the rotation of a permanent magnet that is mounted onto the flow...

Страница 13: ...e transmitter circuit board Depending on the product used one of the two configurations are offered for field wiring A secondary terminal strip away from the PCB mounted in a separate compartment of the flowmeter and is marked and The red wire connects the terminal on the PCB to and the black wire connects the terminal on the PCB to ...

Страница 14: ...e up scale current of 24mA Current values are shown in the table below Direction Values percent of range Values mA or V Linear over range Down 0 0 5 3 92 to 4 08 mA Up 106 25 0 1 20 84 mA to 21 16 mA Device malfunction indication Down N A N A Up 125 0 0 1 23 98 mA to 24 02 mA Maximum current 106 25 1 20 84 mA to 21 16 mA Multi Drop current draw 4 0 mA Lift off voltage 10 5 V A typical 4 20mA wirin...

Страница 15: ...ne 66 245 Loop Current Current Output mA 66 DYNAMIC VARIABLES Two Dynamic Variables are implemented Meaning Units PV Volumetric Flow Reading GPM CMH LPM SV Totalizer Value based on PV Follows PV units The PV is derived using a calibrated linearization table applied to A D converter readings of hall effect sensors The SV is based on a 5ms timer and is updated based on the current reading of flow Bo...

Страница 16: ...nt reaches upper limit 0x02 bit 1 Non Primary Variable out of limits None 0x01 bit 0 Primary Variable Out of limits Occurs when PV is being limited due to exceeding calibrated limitations When Bit 4 is set Host should send Command 48 to determine which alarm is active EXTENDED DEVICE STATUS The Field Device cannot predict in advance when the maintenance will be required Extended Device Status is u...

Страница 17: ...ice Specific Status Only Byte 0 is used 6 Extended Device Status Bit 1 will be set when an alarm condition is active 7 Device Operating Mode 0 8 Standard Status 0 Not used Not used bits are always set to 0 Device does not support extended device status all device status activity is included in the device status byte UNIVERSAL COMMANDS All Universal Commands are supported as specified in the HART U...

Страница 18: ...riable Information In command 54 the acquisition period is unused Values are typically updated every 100ms BURST MODE This Field Device does not support Burst Mode CATCH DEVICE VARIABLE This Field Device does not support Catch Device Variable DEVICE SPECIFIC COMMANDS The following device specific commands are implemented 128 Read Alarm Setpoints 129 Write Low Alarm Setpoint 130 Write High Alarm Se...

Страница 19: ... Format Description None RESPONSE DATA BYTES Byte Format Description 0 Enum PV Unit Code 1 4 Float Value of Low Alarm Setpoint 5 8 Float Value of High Alarm Setpoint COMMAND SPECIFIC RESPONSE CODES Code Class Description 0 Success No Command Specific Errors 1 15 Undefined 16 Error Access Restricted 17 31 Undefined 32 Error Busy 33 127 Undefined ...

Страница 20: ...ormat Description 0 3 Float Low Alarm Setpoint RESPONSE DATA BYTES Byte Format Description 0 Enum PV Unit value 1 4 Float Low Alarm Setpoint COMMAND SPECIFIC RESPONSE CODES Code Class Description 0 Success No Command Specific Errors 1 15 Undefined 16 Error Access Restricted 17 31 Undefined 32 Error Busy 33 127 Undefined ...

Страница 21: ...ormat Description 0 3 Float High Alarm Setpoint RESPONSE DATA BYTES Byte Format Description 0 Enum PV Unit value 1 4 Float High Alarm Setpoint COMMAND SPECIFIC RESPONSE CODES Code Class Description 0 Success No Command Specific Errors 1 15 Undefined 16 Error Access Restricted 17 31 Undefined 32 Error Busy 33 127 Undefined ...

Страница 22: ... REQUEST DATA BYTES Byte Format Description None RESPONSE DATA BYTES Byte Format Description None COMMAND SPECIFIC RESPONSE CODES Code Class Description 0 Success No Command Specific Errors 1 15 Undefined 16 Error Access Restricted 17 31 Undefined 32 Error Busy 33 127 Undefined ...

Страница 23: ...r CMH UNIT CONVERSION Internally the transmitter uses Gallons per Minute Conversions are made using a floating point factor Values are directly converted from GPM when possible however Alarm values changed between units are converted from stored unit value New Unit Previous Unit Factor GPM LPM 0 2642 CMH 4 403 LPM GPM 3 785 CMH 16 666 CMH GPM 0 2271 LPM 0 06 ...

Страница 24: ...nalog output update 10 per second POWER UP The device is typically ready within 1 second of power up Totalizer is initialized to zero RESET Command 42 Device Reset causes the device to reset its microcontroller The resulting restart is identical to the normal power up sequence See Section 0 SELF TEST Self Test is not supported COMMAND RESPONSE TIMES Minimum 20ms Typical 50ms Maximum 100ms ...

Страница 25: ...ed is in the response to Command 21 34 bytes including the two status bytes NON VOLATILE MEMORY EEPROM is used to hold the device s configuration parameters New data is written within 100ms of command receipt MODES Fixed current mode is not implemented WRITE PROTECTION Write protection is not implemented DAMPING Damping is not implemented ...

Страница 26: ... No Number and type of sensors 2 internal Number and type of actuators 0 Number and type of host side signals 1 4 20mA analog Number of Device Variables 4 Number of Dynamic Variables 2 Mappable Dynamic Variables No Number of common practice commands 5 Number of device specific commands 4 Bits of additional device status 2 Alternative operating modes No Burst mode No Write protection No ...

Страница 27: ...move the cover Be very careful not to cross thread the threads Ensure the cover is properly re installed and tightened prior to placing in an explosive operating environment Typical alarm wiring diagram is shown below Set High Flow Alarm 1 Press A1 until HFLo is displayed then release A1 2 Press A2 and hold until the setpoint is displayed on the LCD in this example high flow alarm is set at 80 0 T...

Страница 28: ...oint SEt is displayed release A2 Note 1 Valid setpoint range is 0 100 of full scale flow If the alarm value is set higher than full scale it is clamped at full scale upon exiting this menu Note 2 To disable the alarm set its value to zero Note 3 The red ALARM 1 LED comes on when flow exceeds this setpoint This LED is in series with the drive circuit for the high alarm open collector output meaning...

Страница 29: ...2 Note 1 Valid setpoint range is 0 100 of full scale flow If the alarm value is set higher than full scale or if it is set higher than the High Alarm value it will automatically be limited to the lower of the two values upon exiting this menu Low Alarm set point cannot be higher than High Alarm Note 2 To disable the alarm set its value to zero Note 3 The red ALARM 2 LED comes on when flow drops be...

Страница 30: ...0 day period the customer will be billed 90 00 plus shipping charges and the materials will be returned to the customer NON REPAIRABLE MATERIAL If materials are found not repairable a written notice that the material is not repairable will be provided to the customer by UFM If no disposition to scrap or return the material is received from the customer within 30 days un repairable material will be...

Страница 31: ...e No evaluation fee will be charged for repairs made under warranty Return shipping costs will be prepaid by UFM Should UFM determine the returned material is not defective under the provisions of UFM s standard warranty the customer will be advised of needed repairs and associated costs All materials returned for warranty repair that are determined to not have a valid warranty claim will be subje...

Страница 32: ...EX MANUAL 032321 RMA FORM ...

Страница 33: ...warranty or otherwise for any defect is at Universal s sole option i repair ii replacement or iii refund of the entire purchase price for the specific product Without limiting the foregoing in no case will Universal be liable for de installation of any defective product or installation of any repaired or replaced product THIS REMEDY IS THE EXCLUSIVE REMEDY AVAILABLE TO THE BUYER OR ANY OTHER PERSO...

Страница 34: ...used with any aircraft 2 Any article designed for installation in or on aircraft 3 Any ground handling tools or equipment used with aircraft 4 Any aircraft training aids instructions manuals or blueprints and 5 Any engineering labor or other services involving aircraft Hazardous properties include radioactive toxic or explosive properties Nuclear facility means a Any nuclear reactor or b Any equip...

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