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DPM-3

OPERATOR MANUAL

PLUG AND PLAY IEEE 1451.4 COMPLIANT

Techniques

Transducer

DIGITAL PANEL MOUNT METER

4006497

Содержание DPM-3

Страница 1: ...DPM 3 OPERATOR MANUAL PLUG AND PLAY IEEE 1451 4 COMPLIANT Techniques Transducer R DIGITAL PANEL MOUNT METER 4006497...

Страница 2: ...S TRANSDUCERS 17 11 METER SCALING BY APPLYING KNOWN LOADS 18 12 TEDS SIGNAL CONDITIONER WITH NON TEDS TRANSDUCERS 19 13 LOAD CELL MICROVOLT SIGNAL CONDITIONER 23 14 DUAL RELAY OUTPUT OPTION 25 15 ANAL...

Страница 3: ...t effective solution to a wide variety of monitoring and control applications They are easily set up to produce an accurate display of weight load or direct reading of microvolts Setup can be via fron...

Страница 4: ...r other digital devices An optional USB to RS485 converter board allows a primary DPM 3 to be interfaced to a computer and to be the device server for a network of up to 31 other DPM 3 s on an RS485 b...

Страница 5: ...h an environment constitutes a definite safety hazard This meter is designed to be mounted in a metal panel Verify the panel cutout dimen sions and mount according to instructions Symbols applicable t...

Страница 6: ...inal blocks that plug into mating jacks on the printed circuit board Communication connectors can be a USB jack a single RJ11 jack for RS232 dual RJ11 jacks for RS485 or dual RJ45 jacks for RS485 Note...

Страница 7: ...RX ATX BTX ISO GND GND BTX ATX ARX ARX GND RS485 INTERFACE FULL DUPLEX 6 5 4 3 2 1 ISO GND ATX ARX BTX BRX ISO GND GND ATX ARX BTX BRX GND RS485 INTERFACE HALF DUPLEX 1 2 3 4 5 6 7 8 A RXD0 B RXD1 B T...

Страница 8: ...assembly out through the rear of the case see figure below INSTALLING NEW OPTION BOARDS Options boards plug into the main board at the front of the meter These are plug and play and may installed in...

Страница 9: ...ts for new option boards that may have been installed Ensure that all option boards are properly aligned with the molded board retaining pins on the inside of the rear panel With the rear panel in pla...

Страница 10: ...Sensor is detected in Plug and Play mode other wise stays dark Flashing indicates either that the sensor is due for calibration or will be due in less than 30 days Stops flashing when acknowledged fr...

Страница 11: ...em Pressing MENU will save any changes Reverse Menu Pressing has the same effect as the MENU key except that menu items are brought up in reverse order KEYS IN RUN MODE MENU Key Pressing MENU from the...

Страница 12: ...TWARE LOCKOUTS When setting up the meter it may be necessary to enable specific menu items by setting the corres ponding lockout digit to 0 Be sure to reset the lockout digit to 1 if you do not want t...

Страница 13: ...the DPM 3 calculates the correct scaling to calibrate the meter and the transducer as a system The jumper on the signal conditioner board must be set for the 50 mV range See Section 13 1 If the Maxim...

Страница 14: ...ld B Peak or Valley Displ 3 A Meter Hold B Tare 4 A Peak or Valley B Tare 5 A Tare B Reset 6 A 0 B 0 decimal point 1 XXXXX A 1 B 0 decimal point 1 XXXX X A 0 B 1 decimal point 1 XXX XX A 1 B 1 decimal...

Страница 15: ...ddd ddd dd dddd d ddddd ddddd Press key to shift decimal point Decimal point is stored in TEDS memory Display shows TEds instead of StorE Option board dependent menu items ALSEt ALS34 dEU1H dEU2H dEU1...

Страница 16: ...been replaced or in other instances where the instrument date is not correct The meter remains non functional until the current date has been entered CALd II Instr cal date 00 00 00 Meter calibration...

Страница 17: ...ssing the PEAK key until Digit 4 begins to flash _00_00 Make this digit a 0 by pressing the RESET key until 0 appears Store the change by pressing the left MENU key Perform any other programming chang...

Страница 18: ...value _0 021 Press the key to store the Lo In low signal value _Hi In_ Press the key Hi In will appear on the meter display Apply the high known load 20 094 Press the key The meter will begin to take...

Страница 19: ...00 Rear connector control inputs 1 2 True logic 1 0V or tied to digital ground False 0 5V or open 0 1 Reset 2 Meter Hold 1 1 Function Reset 2 Pk or Valley Disp 2 1 Meter Hold 2 Pk or Valley Disp 3 1 M...

Страница 20: ...r input 1 Custom curve linearization FiLtr Filtering 00000 Alarm filtering 0 Alarm unfiltered 1 Alarm filtered 00000 Peak Valley filtering 0 Peak Valley unfiltered 1 Peak Valley filtered 00000 Display...

Страница 21: ...oint is set by dEC Pt Hi In High signal input 0 0000 0 0000 0 0000 0 0000 0 0000 Select digit to flash Select 9 thru 9 for flashing first digit 0 thru 9 for other flashing digits Decimal point is set...

Страница 22: ...ill only appear if an RS232 RS485 or USB I O board is detected If so see Section 16 CAL rt Cal Reset The Cal Instrument indicator starts flashing 30 days before instrument calibration is due To acknow...

Страница 23: ...signal in Input ratio Input range Input span Input span 20 mV 0 mV 20 mV Input ratio 20 mV 20 mV 1 00 Display span Hi display Lo display Display ratio FS Display Display span Display span 10000 0000 1...

Страница 24: ...nal input value _00 000 Press to select digit which will flash Decimal point is fixed by input range _00 000 Press to set digit values Set to 00 000 mV Leftmost digit may be set to 0 thru 9 and 0 thru...

Страница 25: ...e normal display To view setpoints menu item Loc3 digit 2 must have been set to 0 To change setpoints menu item Loc2 digit 2 must have been set to 0 ALARMS KEY DIGIT SELECT KEY VALUE SELECT KEY 300 24...

Страница 26: ...ow 4 AL1 active low AL2 active low 5 AL1 disabled AL2 active low 6 AL1 active high AL2 disabled 7 AL1 active low AL2 disabled 8 AL1 disabled AL2 disabled 00000 Hysteresis mode or band deviation mode 0...

Страница 27: ...lect digit to flash Select 9 thru 9 for flashing first digit 0 thru 9 for other flashing digits Alarms will activate above the setpoint by the value entered and deactivate below the setpoint by the va...

Страница 28: ...set to corres pond to any high displayed reading An Hi The meter will then apply a straight line fit between these two end points to provide an analog output scaled to the meter reading KEYSTROKES FO...

Страница 29: ...evice server to the last device on the RS485 bus Connect ATX to ATX BTX to BTX etc with no crossover as you go from device to device To connect a meter with a USB board to a computer use a USB cable w...

Страница 30: ...s Note Board is shipped with no jumpers installed RS485 Modbus Board Full Duplex Operation b e Bias jumpers should be installed on 1 board a d Installed on last meter in long cable run RS485 Modbus Bo...

Страница 31: ...21 8 sec 8 36 6 sec 43 5 sec 9 72 5 sec 97 sec SEr 2 Serial Setup 2 _0000U Line feed 0 No line feed after carriage return 1 Line feed after carriage return _0000U Alarm data with readings 0 No alarm d...

Страница 32: ...tup 4 __000U Modbus ASCII gap timeout 0 1 sec 1 3 sec 2 5 sec 3 10 sec __000U Serial protocol 0 Custom ASCII 1 Modbus RTU 2 Modbus ASCII __000U Parity 0 None 2 or more stop bits 1 Odd 1 or more stop b...

Страница 33: ...33 SERIAL CONNECTION EXAMPLES...

Страница 34: ...ns for special features The same jumper locations apply to the universal power supply 85 264 Vac and to the low voltage power supply 12 32 Vac or 10 48 Vdc Excitation output Jumper locations 5 Vdc 5 1...

Страница 35: ...uP Press the until SEtuP meter setup is displayed _0___0 12345 Press to select digit 5 which will flash _0___0 12345 Press to set value for flashing digit 0 A Reset B Meter Hold 1 A Function Reset B P...

Страница 36: ...unzip it into a special directory such as c Program Files DPM 3 IS Within that directory double click on setup exe which will install the software on your PC Prerequisites for connected use are the f...

Страница 37: ...splay Scaling Filter Relay Alarms Communications Analog Out and Lockouts If the required hardware such as the analog output board is not sensed the corresponding tab will be grayed out ADDITIONAL FEAT...

Страница 38: ...t Setup software is also of benefit when the PC is not connected to a meter Upon launch ing the software click on None for Communications then on DPM 3 and Continue Click on File Default Setup to retr...

Страница 39: ...ques GETTING STARTED Download curve exe into the same directory that will contain your data files such as c curves Set the meter baud rate to 9600 To do so press the key to get to SEr 1 then set the e...

Страница 40: ...pecified in the dEc Pt decimal point menu selection Follow the steps on the screens to finish generating the custom curve When prompted to download the file to the meter select Y When prompted to set...

Страница 41: ...to 99999 TEDS Status Indicator Yellow LED lamp TEDS Status With a TEDS transducer lamp lights with TEDS enabled and in Plug and Play mode A TO D Conversion Read Rate 60 s for 60 Hz NMR 50 s for 50 Hz...

Страница 42: ...2 3 kV ac for 1 min Isolation to signal common 50 Vdc Dual Quad Relay Options Power to Relay Option Powered by meter Setpoint Setup Via front panel pushbuttons or serial communication Update Rate 56...

Страница 43: ...in Serial Interface Option USB RS232 RS485 RS485 Modbus boards Output Types RS232 RS485 RS485 Modbus USB USB to RS485 converter Power to Interface Option Powered by meter RS485 Wiring Half or full dup...

Страница 44: ...matically when the reading falls below a limit Autofilter A selectable digital filter mode which auto matically selects an appropriate moving aver age filter time constant from 0 08 sec to 9 6 sec for...

Страница 45: ...ductive path in external ground wiring that allows stray currents to flow in ground wiring creating ground noise The meters in this manual mini mize ground loop problems by mutually isolating the grou...

Страница 46: ...0 3 sec RC time constant Old average x 15 16 new reading x 1 16 equivalent to 0 6 sec RC time constant Old average x 31 32 new reading x 1 32 equivalent to 1 2 sec RC time constant Old average x 63 64...

Страница 47: ...sion in both directions but not simultaneously RS485 Full Duplex Serial communications implemented with four wires allowing data transmission in two directions simultaneously Run Mode The normal opera...

Страница 48: ...limit can be negative or positive If the limit is negative the relay will close below the hys teresis limit for example to turn on a heater and open when the setpoint is reached If the limit is positi...

Страница 49: ...last reset Reset can be via the meter front panel an external input or a software command The displayed value can reflect the filtered or unfiltered readings Zero An adjustment so that a given low tr...

Страница 50: ...50 24 ACCESSORIES...

Страница 51: ...Cable to Meter DPM 3 RJ11AD9 RS232 Data Cable PC to Meter USB 2 0 A B USB Cable Type A B 10ft DPM 3 DLS Data Logging Software DPM 3 TRES TEDS Reader_Editor Software DPM 3 SPC Splash Proof Cover Seals...

Страница 52: ...965 with 1 a part number 2 a serial number for the defective product 3 a technical description of the defect 4 a no charge purchase order number so products can be returned to you correctly and 5 ship...

Страница 53: ...800 344 3965 E mail tti ttloadcells com Load Cells Force Torque Sensors TM Techniques Transducer R Temecula CA 92590 www transducertechniques com...

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