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4

Configuring The Meter

38

Note

☞

38

4.11  SELECTING PROPORTIONAL BAND 

P.BND

Proportional Band 

P.BND

is not active unless your meter has analog output and relay

capabilities. The menu will display whether analog output is present or not.

•

A proportional controller's output is linearly proportional to the change of the
error signal, whenever the signal is within 2 prescribed values (Proportional
Band).  

•

There are three (3) points of interest on the proportional controller transfer
curve. 

•

The first is the magnitude of the error signal that drives the controller to
“full on” (e.g. 20 mA out for 4-20 mA).

Figure 4-2.  Controller Output

•

The second point of interest is the magnitude of the error signal that drives
the controller output to “full off” (e.g. 4 mA out on 4-20 mA). These two (2)
points need not be equally spaced on either side of the zero error point. 

•

The third is the factor "Offset" and it is the output value of the 
controller which causes zero error.

The above example illustrates the parameters for the 4-20 mA analog out,
likewise, analog voltage output will have these (3) points of interest.

PROPORTIONAL BAND

MIN

0%

100%

ERROR=READING SETPOINT

OFFSET

CONTROLLER OUTPUT

MAX

4mA

20mA

Zero error

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Содержание DP25B-E

Страница 1: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

Страница 2: ...mega com For latest product manuals omegamanual info User sGuide DP25 E and DP25B E Process Panel Meter Shop on line at USA MADE IN Artisan Technology Group Quality Instrumentation Guaranteed 888 88 S...

Страница 3: ...h America USA One Omega Drive P O Box 4047 ISO 9001 Certified Stamford CT 06907 0047 TEL 203 359 1660 FAX 203 359 7700 e mail info omega com Canada 976 Bergar Laval Quebec H7L 5A1 TEL 514 856 6928 FAX...

Страница 4: ...olor Setting the setpoint s active band Selecting a latched or unlatched operation Setting setpoint deadbands Enabling disabling setpoint changes Enabling disabling the RESET button in the Run Mode Op...

Страница 5: ...dbands output configuration analog output proportional band manual reset analog output scaling lock out configuration display brightness Display messages Meter menu sub menu messages Setpoint configur...

Страница 6: ...ts 15 3 5 Connecting Main Power 18 3 6 Conecting External Tare Switch 20 3 7 Connecting Analog and Relay Outputs 20 SEC 4 CONFIGURING THE METER 22 4 1 Selecting the Input Type 22 4 2 Selecting a Decim...

Страница 7: ...ent or Voltage 36 4 10 3 Selecting Analog Output or Proportional Control 36 4 11 Selecting Proportional Band 38 4 12 Using Manual Reset 40 4 13 Using Output Scale and Offset 41 4 14 Using Lock Out Con...

Страница 8: ...DC Input Connections with Internal Excitation 16 3 9 4 Wire DC Input Connections with External Excitation 16 3 10 DC Current Input Connectiions with Internal Excitation 17 3 11 DC Current Input Connec...

Страница 9: ...Selection Dip Switch Positions for Regular Voltage Input 24 4 2 Range Selection Dip Switch Positions for Millivolt and Milliamp Input 24 4 3 Natural Gain 27 4 4 Input Resolution Multiplier 27 5 1 Dis...

Страница 10: ...important to successfully setup and use the Programmable Digital Meter CAUTION or WARNING tells you about the risk of electric shock CAUTION WARNING or IMPORTANT tells you of circumstances or practice...

Страница 11: ...viii Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 12: ...rrier will not honor any claims unless all shipping material is saved for their examination After examining and removing contents save packing material and carton in the event reshipment is necessary...

Страница 13: ...t be incorporated in the main supply cord Furthermore to provide protection against excessive energy being drawn from the main supply in case of a fault in the equipment an overcurrent protection devi...

Страница 14: ...es A mechanical lockout has been included to guard against unauthorized changes 2 2 FEATURES The following is a list of standard features 4 digit three color Programmable Big LED display or 4 digit St...

Страница 15: ...NEMA 4 Splash Proof Cover NEW Accessories TP1A Trimplate panel adaptor Adapts DIN1A DIN2A cases to larger panel cutouts RP18 19 In Rack Panel for one 1 1 8 DIN instrument RP28 19 In Rack Panel for two...

Страница 16: ...se meter display windows both versions light when appropriate 1 Setpoint 1 status 2 Setpoint 2 status 5 Pushbuttons for programming the meter 1 2 RESET MENU TARE MAX SETPTS Digital LED Display 1 9 9 9...

Страница 17: ...the Run Mode this button will recall the PEAK reading since the last press of the RESET button In the Configuration Mode press this button to change the value of the flashing digit shown on the displa...

Страница 18: ...ss the RESET button to reset tare if any The meter shows T RST and returns to the Run Mode In the Configuration Mode press the RESET button once to review the previous menu Press the RESET button twic...

Страница 19: ...nnectors on the back of the meter Table 2 2 on the following page gives a brief description of each connector at the back of the meter Figure 2 3 Connector Label AC Powered and DC Powered Detail Artis...

Страница 20: ...1 9 AC earth ground DC power return on DC powered units TB1 10 Analog voltage output TB1 11 Analog current output TB1 12 Analog return TB2 1 E Negative excitation connection from meter 5 10 12 V TB2 2...

Страница 21: ...C Settings for Input Ranges 0 100 mV DC O C O O O 50 mV DC O C O C O 5 Vdc C O O C C 0 10 Vdc C O O O C 0 20 mA DC O C C O O The display must also be configured to the selected input type after setti...

Страница 22: ...must only be reconfigured by a specially trained electrician with corresponding qualifications Failure to follow all instructions and warnings may result in injury 1 Remove the main board from the cas...

Страница 23: ...rd Jumper Positions Figure 3 3 Upper Isolated Analog Output Option Board Installation P1 TB5 Attach cable to P1 E D C B A MAIN BOARD T1 DISPLAY BOARD S2 S2 S4 S1 S3 S3 TP11 TP1 TP2 TP3 TP4 TP5 TP6 TP7...

Страница 24: ...cedure Test pins TP1 TP11 are for testing purposes Do not use as reading errors may result S4 A Factory default jumper installed Table 3 1 S3 Jumper Functions Jumper Description S3 A Install to enable...

Страница 25: ...4 Proceed to Section 3 4 to connect your sensor input and main power Figure 3 5 Panel Cut Out NEW STYLE MOUNTING BRACKET FRONT BEZEL CASE REAR COVER REMOVED PANEL CUT OUT OLDER STYLE MOUNTING BRACKET...

Страница 26: ...Wire DC Input Connections with Internal Excitation Figure 3 7 3 Wire DC Input Connections with External Excitation TB2 E E 20mA N C 24V S S N C 1 2 3 4 5 6 7 8 EXTERNAL SUPPLY TB2 1 2 3 4 5 6 7 8 EXC...

Страница 27: ...Excitation Figure 3 9 Wire DC Input Connections with External Excitation TB2 E E 20mA N C 24V S S N C 1 2 3 4 5 6 7 8 SENSOR OUTPUT EXTERNAL SUPPLY TB2 1 2 3 4 5 6 7 8 E E 20mA N C 24V S S N C VOLTAG...

Страница 28: ...Excitation Figure 3 11 DC Current Input Connections with External Excitation TB2 1 2 3 4 5 6 7 8 4 20mA Transmitter E E 20mA N C 24V S S N C EXTERNAL SUPPLY TB2 1 2 3 4 5 6 7 8 E E 20mA N C 24V S S N...

Страница 29: ...d by a specially trained electrician with corresponding qualifications Failure to follow all instructions and warnings may result in injury Figure 3 13 Main Power Connections AC Powered Unit TB1 TB2 1...

Страница 30: ...art in the Specifications Section for Display Color Intensity Excitation Voltage and Current and Analog Output Isolated Option Failure to use proper ratings may result in damaging the unit Figure 3 14...

Страница 31: ...dual relay or isolated analog output refer to the following drawings for output connections Figure 3 16 Analog Output Connections TB1 TB2 ANALOG VOLTAGE 1 2 3 4 1 2 3 4 5 6 7 8 9 10 5 6 7 8 11 12 0 10...

Страница 32: ...og Output Connections 0 10VDC 0 20mA 4 20mA OR 1 2 3 TB5 TB1 TB2 1 2 3 4 1 2 3 4 5 6 7 8 5 6 7 8 9 10 11 12 Relay 1 Relay 2 N O 1 N C 1 COM1 N O 2 N C 2 COM2 TB1 1 2 3 4 5 6 7 8 9 10 11 12 TB2 1 2 3 4...

Страница 33: ...Refer to Table 2 3 1 Press the MENU button The meter shows INPT 2 Press the TARE button The meter flashes one of the following 0 20 for 4 20 mA dc Default 100M for 0 100 mV dc 50M for 50 mV dc 10V fo...

Страница 34: ...meter momentarily shows STRD followed by the next menu RD S O Reading Scale and Offset Or you can press the RESET button to abort and go back to the DEC P menu 4 3 SELECTING READING SCALE AND OFFSET R...

Страница 35: ...osition of these switches Once Dip switches have been positioned correctly apply power Proceed to the RD CF Reading Configuration and set R2 equal to the value in the right hand column of the chart Ta...

Страница 36: ...the TARE button again The meter shows last stored value for Input 1 5 Press the TARE button once more The meter shows the actual signal being received 6 Press the MENU button to store this value as IN...

Страница 37: ...button to store Input 2 value The meter shows RD 2 Read 2 RD 2 Read 2 is the desired display reading at input 2 15 Press the TARE button The meter shows the last stored value for Read 2 16 Press the M...

Страница 38: ...IN 2using the transducer output span and the following equation IN Sensor Output x Natural Gain x Multiplier Table 4 3 Natural Gain 2 Determine the multiplier by the Input Resolution setting R 2 in th...

Страница 39: ...ur digits 8 Press the TARE button to scroll horizontally to the next digit 9 Press the MENU button to store this value The meter shows RD1 10 Press the TARE button The meter shows the last value for r...

Страница 40: ...ress the MENU button until RD CF displays then press the TARE button twice or Press the TARE button from R 1 One of the following displays default is R 2 4 R 2 4 10 V for Unipolar inputs 25 V for Bipo...

Страница 41: ...u 4 5 Selecting a Display Color COLR Refer to Table 6 1 for a summary list of menu configuration Selecting Display Color is not active unless your meter is a Version B To select a display color follow...

Страница 42: ...following S 1 A Active above the setpoint Default S 1 B Active below the setpoint 3 Press the MAX button to toggle between available choices 4 Press the TARE button to select if Setpoint 1 is latched...

Страница 43: ...Active above the setpoint Default S 1 B Active below the setpoint 3 Press the MAX button to toggle between available choices 4 Press the TARE button to select if Setpoint 2 is latched or unlatched or...

Страница 44: ...STRD followed by S2 DB Setpoint 2 Deadband 4 9 SETTING THE SETPOINT 2 DEADBAND S2 DB Refer to Table 6 1 for a summary list of menu configuration Setpoint 2 Deadband S2 DB is not active unless your met...

Страница 45: ...AL LEVEL SIGNAL LEVEL ON ON OFF ON ON ON ON ON ON ON ON ON OFF OFF ON OFF OFF OFF OFF ACTIVE BELOW ACTIVE ABOVE ACTIVE BELOW WITH DEADBAND 3 ACTIVE ABOVE WITH DEADBAND 3 ACTIVE BELOW LATCHED ACTIVE AB...

Страница 46: ...or voltage To select if the analog output is regular or proportional 4 10 1 Enabling or Disabling the Analog Output To enable or disable the analog output follow these steps 1 Press the MENU button un...

Страница 47: ...set 4 10 3 Selecting Analog Output or Proportional Control Use this section to select if the meter will transmit an analog signal proportional to the display readings or proportional to the error sign...

Страница 48: ...he MAX button to toggle between available choices 5 Press the MENU button to store your selections The meter momentarily shows STRD followed by P BND Proportional Band Additionally if you select O 2 V...

Страница 49: ...s the controller to full on e g 20 mA out for 4 20 mA Figure 4 2 Controller Output The second point of interest is the magnitude of the error signal that drives the controller output to full off e g 4...

Страница 50: ...il 0 3 A then press MAX unit will show 0 3 P Pressing the MENU button will store the selection 2 Press the TARE button The meter shows last previously stored 4 digit number 0000 through 9999 with flas...

Страница 51: ...o Manual Reset M RST The value of M RST must be less than P BND 2 Larger values will not be accepted and the meter will display ER4 flashing 1 Press the MENU button until M RST displays This menu M RS...

Страница 52: ...1999 through 9999 with flashing 4th digit 4 Press the MAX button to change the digits 5 Press the TARE button to scroll to the next digit 6 Press the MENU button to store your selection OUT 1 Output 1...

Страница 53: ...ws selected output If you select O 2 V for voltage the maximum signal you may select is 10 00 for an 0 10 Vdc signal output If you select O 2 C for current the maximum signal you may select is 20 00 f...

Страница 54: ...ET button in the Run Mode 3 Press the MAX button to toggle between available choices 4 Press the MENU button to store the changes The meter shows STRD if the new value is different otherwise the meter...

Страница 55: ...ailable and SETPTS button will always display the meter s firmware version These units will have OL overload or OPN memory indicated by Alarm 1 2 LED displays LEDs can be reset by pressing MENU then R...

Страница 56: ...ER4 Manual Reset Error OT CF Output Configuration OT S O Output Scale and Offset LK CF Lock Out Configuration BRIT Display Brightness OL Overload Signal OL Overload Signal RS OF Resolution Overflow 99...

Страница 57: ...e changed with MAX If MAX is pressed unit can scroll through digits with TARE Enter new value and Shows prior value entered and flashing digit Changes the value show RD1 Scrolls to the next digit of t...

Страница 58: ...2 3 5 V resolution for unipolar 25 V resolution for bipolar R 2 4 10 V resolution for unipolar 25 V resolution for bipolar Note 3 V resolution means if your input is 0 30 mV at 30 mV the display shows...

Страница 59: ...OT CF 0 2 0 2 C Analog output is current 0 2 V Analog output is voltage 0 3 0 3 A Regular analog output 0 3 P Proportional analog output 0 4 0 4 D Proportional analog is direct acting shown if menu 0...

Страница 60: ...OT S O Shows prior value entered and flashing digit Changes the value Scrolls to the next digit of the flashing digit Enter new value and Shows prior value entered and flashing digit Changes the value...

Страница 61: ...isplays the to return to the highest reading normal since last reset operating mode without resetting Press to Will reset your Tare Reset T RST activate tare when viewing this function Reset Latched A...

Страница 62: ...SP1 Press to scroll to Press to change Select from 1999 the next digit to the the value of the through 9999 right flashing digit SETPOINT 2 SP2 Press to scroll to Press to change Select from 1999 the...

Страница 63: ...or programmable 9 segment LED 21 mm 0 83 Symbol 1 9 9 9 9 9 9 9 Standard Display 4 digit 14 segment LED 13 8 mm 0 54 Symbol 1 9 9 9 9 9 9 9 ANALOG TO DIGITAL Technique Dual slope Internal resolution 1...

Страница 64: ...y 0 2 Step Response Time 2 3 seconds to 99 of the final value ISOLATED ANALOG OUTPUT TB5 if applicable Same as non isolated analog output except isolated Signal Type Current or voltage Signal Level Cu...

Страница 65: ...e 115 V 125 mA 250 T 230 V 63 mA 250 T UL 248 14 Listed Fuse Power Fuse 115 V 175 mA 250 V Slow Blow 230 V 80 mA 250 V Slow Blow ENVIRONMENT Operating temperature 0 to 50 C 32 to 122 F Storage tempera...

Страница 66: ...35 mA Max Non Isolated option only 10 V 35 mA Max 5 V 35 mA Max GREEN Analog Output Non Isolated options or Isolated Analog option AMBER Warning Do not use Internal Excitation Use External Excitation...

Страница 67: ...SE REAR COVER 96 0 3 78 48 0 1 89 20 3 80 151 4 5 96 RETAINER FRONT BEZEL 45 00 0 61 0 00 1 772 024 000 92 00 0 81 0 00 3 622 032 000 PANEL THICKNESS 1 5 R 06 4 PLCS 6 4 25 MAX 0 8 03 MIN NOTE Dimensi...

Страница 68: ...above S 2 U Setpoint is unlatched S2 CF Setpoint 2 Configuration S 1 A Setpoint is active above S 2 U Setpoint is unlatched S1 DB Setpoint 1 Deadband 0003 S2 DB Setpoint 2 Deadband 0003 OT CF Output C...

Страница 69: ...al working voltage is 50 Vac dc This unit should not be used in Measurement Categories II III IV Transients Overvoltage Surge 1 2 50uS pulse Input Power 2500 V Input Power 500 V Low Voltage dc Power O...

Страница 70: ...59 NOTES Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 71: ...60 NOTES Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 72: ...0 CFR 21 NRC used in or with any nuclear installation or activity or 2 in medical applications or used on humans Should any Product s be used in or with any nuclear installation or activity medical ap...

Страница 73: ...tch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industrial pH Conductivity Equipment DATA ACQUISITION Data Acquisi...

Страница 74: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

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