PRECISION DIGITAL PD2-6300 Скачать руководство пользователя страница 36 | Manualshive

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Helios Large Display Pulse Input Rate/Totalizer Instruction Manual

PD2-6300

36

Relay and Alarm Operation Diagrams

The following graphs illustrate the operation of the relays, status LEDs, and ACK button.

High Alarm Operation (Set > Reset)

For Manual reset mode, ACK can be pressed

anytime to turn "off" relay. To detect a new alarm

condition, the signal must go below the set point,

and then go above it.

Low Alarm Operation (Set < Reset)

For Manual reset mode, ACK can be pressed

anytime to turn "off" relay. For relay to turn back

“on”, signal must go above set point and then go

below it.

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Содержание PD2-6300

Страница 1: ...n Collector NPN PNP TTL Switch Contact Sine Wave Coil Square Wave Inputs Gate Function for Rate Display of Slow Pulse Rates Input Power Options Include 85 265 VAC or 12 24 VDC Isolated 24 VDC Transmitter Power Supply Rate Displayed as Units per Second Minute Hour or Day 9 Digit Totalizer with Total Overflow Feature 2 or 4 Relays Isolated 4 20 mA Output Options Onboard USB RS 485 Serial Communicati...

Страница 2: ...sonal injury or property loss Anyone using this product for such applications does so at their own risk Precision Digital Corporation shall not be held liable for damages resulting from such improper use Limited Warranty Precision Digital Corporation warrants this product against defects in material or workmanship for the specified period under Specifications from the date of shipment from the fac...

Страница 3: ...ction 35 Programming Set and Reset Points 35 Setting Fail Safe Operation 35 Programming Time Delay 35 Relay and Alarm Operation Diagrams 36 High Alarm Operation Set Reset 36 Low Alarm Operation Set Reset 36 High Alarm with Fail Safe Operation Set Reset 37 Low Alarm with Fail Safe Operation Set Reset 37 Pump Alternation Control Operation 37 Relay Sampling Operation 38 Signal Loss or Loop Break Rela...

Страница 4: ... Connections 20 Figure 25 Interlock Connections 20 Figure 26 Acknowledge Relays w Function Key or Digital Input 41 Introduction The Helios PD2 6300 is a multi purpose easy to use large display pulse input rate totalizer ideal for flow rate total and control applications It features large 1 8 inch superluminous LED digits which can be read from up to 100 feet away It is housed in a water resistant ...

Страница 5: ... Programmable from 2 to 199 0 will disable filter Filter Bypass Programmable from 0 1 to 99 9 of calibrated span Recalibration All ranges are calibrated at the factory Recalibration is recommended at least every 12 months Max Min Display Max min readings reached by the process are stored until reset by the user or until power to the meter is turned off Password Three programmable passwords restric...

Страница 6: ...setting Maximum Input Frequency 30 000 Hz 10 000 for low voltage mag pickup Input Impedance Pulse input Greater than 300 k 1 kHz Open collector switch input 4 7 k pull up to 5 V Accuracy 0 03 of calibrated span 1 count Temperature Drift Rate display is not affected by changes in temperature Multi Point Linearization 2 to 32 points Low Flow Cutoff 0 999999 0 disables cutoff function Decimal Point U...

Страница 7: ...ttable total by entering the password 050873 Caution Once the Grand Total has been programmed as non resettable the feature cannot be disabled Relays Rating 2 or 4 SPDT Form C internal and or 4 SPST Form A external rated 3 A 30 VDC and 125 250 VAC resistive load 1 14 HP 50 W 125 250 VAC for inductive loads Noise Suppression Noise suppression is recommended for each relay contact switching inductiv...

Страница 8: ...e LEDs for Power P Transmit TX and Receive RX Modbus RTU Serial Communications Slave Id 1 247 Meter address Baud Rate 300 19 200 bps Transmit Time Delay Programmable between 0 and 199 ms Data 8 bit 1 start bit 1 or 2 stop bits Parity Even Odd or None with 1 or 2 stop bits Byte To Byte Timeout 0 01 2 54 second Turn Around Delay Less than 2 ms fixed Note Refer to the Modbus Register for details Digi...

Страница 9: ... UL Listed USA Canada UL 508 Industrial Control Equipment United States C22 2 No 142 Canadian National Standard UL File Number E160849 Front Panel UL Type 4X NEMA 4X IP65 Low Voltage Directive EN 61010 1 2010 Safety requirements for measurement control and laboratory use www com information itm com 1 800 561 8187 ...

Страница 10: ...be run through the knockout holes located on the bottom of the meter There are a total of four pre drilled conduit entry holes located at the bottom of the meter If the need to drill additional holes arises make sure you will have the clearance necessary for conduit mounting hardware Do not disconnect the RJ45 connector found on the right side of the meter wiring board Doing so will disable the on...

Страница 11: ...o the right on the wall 2 Using a drill bit slightly smaller than the girth of the mounting screws pre drill holes at the mounting locations previously marked 3 Insert mounting screws into the four mounting holes and screw them into the pre drilled holes Do not overtighten the mounting screws as it is possible that the enclosure could crack and become damaged Figure 1 Meter Mounting Holes Mounting...

Страница 12: ...these instructions 1 Secure the mounting plates to the top and bottom for vertical pipes or left and right for horizontal pipes of the reverse side of the meter enclosure using the provided fasteners Do not overtighten the fasteners as it could cause damage to the enclosure 2 Using the provided nuts and U bolts secure the mounting plates to the pipe enough torque such that the meter cannot be move...

Страница 13: ...ed in the center of the connections board see diagram below 4 Flip this switch into the appropriate position for the required transmitter excitation Figure 6 Transmitter Supply Voltage Selection Connections All connections are made to screw terminal connectors located under the front door panel Remove the single securing screw in order to access the wiring terminals Caution Use copper wire with 60...

Страница 14: ...ector located to the left of the power terminal block Doing so will disable the onboard digital I O RS 485 serial communications and M Link functionality Figure 7 Connector Labeling for Fully Loaded PD2 6300 Power Connections Power connections are made to a two terminal connector labeled POWER on Figure 7 on page 14 The meter will operate regardless of DC polarity connection The and symbols are on...

Страница 15: ...Internal Supply Figure 14 Switch Input Connections Modbus RTU Serial Communications Serial communications connection can be made to the onboard RS485 terminal block or USB connector shown in Figure 7 If RS232 is required an RS485 to RS232 adapter PDA7485 may be used See Ordering Information on page 5 for additional information Relay Connections Relay connections are made to two six terminal connec...

Страница 16: ...5 to 1 µF for each amp through closed contacts Notes 1 Use capacitors rated for 250 VAC 2 RC networks may affect load release time of solenoid loads Check to confirm proper operation 3 Install the RC network at the meter s relay screw terminals An RC network may also be installed across the load Experiment for best results Figure 17 Low Voltage DC Loads Protection RC Networks Available from Precis...

Страница 17: ... 422 network Figure 19 shows the connection of several meters to a PC using a PDA7485 RS 232 to RS 422 485 converter in an RS 485 network When using more than one meter in a multi drop mode each meter must be provided with its own unique address The meter address Slave ID may be programmed between 1 and 247 The transmit delay may be set between 0 and 199 ms The parity can be set to even odd or non...

Страница 18: ...location Connections Figure 20 details the wiring connections from the RS 485 connector to an RS 422 485 serial converter such as the PDA7485 or PDA8485 for a four wire network Three Wire Connection In order to wire the 5 pins for use as a 3 wire half duplex RS 485 connection it is necessary to create a jumper connection between DI DO and DI DO as shown below Figure 21 Three Wire RS485 Connection ...

Страница 19: ...put connector block and the 5 VDC block Digital output connections are made by wiring from the appropriate digital output block to the grounding terminal block Figure 22 Digital Input and Output Connections F4 Digital Input Connections Digital input F4 is also available on the meter This digital input is connected with a normally open contact across F4 and COM or with an active low signal applied ...

Страница 20: ... return Interlock Relay Feature As the name implies the interlock relay feature reassigns one or more alarm control relays for use as interlock relay s Interlock contact s are wired to digital input s and trigger the interlock relay This feature is enabled by configuring the relay and relative digital input s see page 43 In one example dry interlock contacts are connected in series to one digital ...

Страница 21: ...al menu to calibrate the rate totalizer using a signal source Overview There are two switches located to the right of the input connector which must be configured according to the input level and type The P P switch located inside the lower meter compartment to the left of the input signal connector is used to select the excitation voltage 24 V 10 V or 5 V which is supplied to the P and P wiring t...

Страница 22: ...nd total indicator Note F4 F8 are digital inputs Total overflow indicator M Flashing Manual control of flashing relays M flashing alone indicates manual analog output Indicators flash every 10 seconds Press the Menu button to enter or exit the Programming Mode at any time Press the Right arrow button to move to the next digit during digit or decimal point programming Press or hold the Up arrow but...

Страница 23: ...le click on the drive labeled MAINSTAL 3 Double click on the file named MAStart The program will open a few windows and install two programs on your computer Simply follow the onscreen instructions until you see one of the dialogs below If you receive a User Account Control warning click Yes 4 If there is an update available click the Update button to install the new version Otherwise click Config...

Страница 24: ...the Calibration menu Inp 1 Input 1 Calibrate input 1 signal or program input 1 value Dis 1 Display 1 Program display 1 value Inp 2 Input 2 Calibrate input 2 signal or program input 2 value up to 32 points Dis 2 Display 2 Program display 2 value up to 32 points Error Error Error calibration not successful check signal or programmed value T tb Total time base Program total time base T CF Total conve...

Страница 25: ...nate Set relay for pump alternation control Sanmpl Sampling Set relay for sampling operation OFF Off Disable relay and front panel status LED Select Off to enable Interlock feature Set 1 Set 1 Program set point 1 RSt 1 Reset 1 Program reset point 1 RLY 2 Relay 2 Relays 2 4 setup FaiLSF Fail safe Enter Fail safe menu FLS 1 Fail safe 1 Set relay 1 fail safe operation on On Enable fail safe operation...

Страница 26: ...Auto Automatic Press Enter to set meter for automatic operation mAn Manual Press Enter to manually control relays or analog output operation pass Password Enter the Password menu Pass 1 Password 1 Set or enter Password 1 Pass 2 Password 2 Set or enter Password 2 Pass 3 Password 3 Set or enter Password 3 Total Total password Set or enter password for manual reset Gtotal Grand total password Set or ...

Страница 27: ...r pressing Enter F3 The display moves to the next menu every time a setting is accepted by pressing Enter F3 Setting Numeric Values The numeric values are set using the Right and Up arrow buttons Press Right arrow to select next digit and Up arrow to increment digit value The digit being changed is displayed brighter than the rest Press and hold up arrow to auto increment the display value Press t...

Страница 28: ...put There is a switch located to the right of the input connector which must be configured according to the input level and type Jumper J4 located inside the meter behind the input signal connector is used to select the excitation voltage 24 V 10 V or 5 V which is supplied to the P and P wiring terminals Enter the Input menu to enable or disable the totalizer features Default setting Setting the T...

Страница 29: ...5 g G o o 6 6 9 g p P 7 7 H H q q 8 8 h h r r 9 9 I I s S A A I i t t Degree b b j J u u Space Notes Degree symbol represented by if programming with MeterView Pro The letters m and w use two 7 segment LEDs each when selected the characters to the right are shifted one position Press and hold up arrow to auto scroll the characters in the display Setting the Decimal Point dEc pt The decimal point m...

Страница 30: ... employed at a time The Scale and Calibrate functions can use up to 32 points default is 2 The number of points should be set in the Advanced Features menu under the Multi Point Linearization Linear menu selection prior to scaling and calibration of the meter see page 51 for details The pulse inputs may be calibrated or scaled to any display value within the range of the meter Additional parameter...

Страница 31: ...reverts to the input prior to the failure during calibration or scaling and to input 1 during internal calibration allowing the appropriate input signal to be applied or programmed The error message might be caused by any of the following conditions 1 Input signal is not connected to the proper terminals or it is connected backwards 2 Wrong signal selection in Setup menu 3 Minimum input span requi...

Страница 32: ...e by 1000 every second This is useful for instance if you want to show rate in gallons and total in thousands of gallons Total Grand Total Reset The totals can be programmed for manual or automatic reset In the automatic reset mode a programmable time delay is available to reset the total or grand total after the assigned preset is reached Non Resettable Totalizer The total and grand total can be ...

Страница 33: ...4 Max min values 5 Engineering units or custom legends 6 Modbus input 7 Off no display 8 Display rate and units 9 Rate and total 10 Rate and grand total 11 Total and units 12 Grand total and units Display Intensity The meter has eight display intensity levels to give the best performance under various lighting conditions Select intensity 8 for outdoor applications The default intensity setting is ...

Страница 34: ...t at any time non latching c Latching manual reset only d Latching with Clear manual reset only after alarm condition has cleared e Pump alternation control automatic reset only f Sampling the relay is activated for a user specified time g Off relay state controlled by Interlock feature 3 Set and reset points 4 Fail safe operation a On enabled b Off disabled 5 Time delay a On delay 0 999 9 seconds...

Страница 35: ...int below reset point The deadband is determined by the difference between set and reset points Minimum deadband is one display count If the set and reset points are programmed with the same value the relay will reset one count below the set point Note Changes are not saved until the reset point has been accepted Setting Fail Safe Operation In fail safe mode of operation the relay coil is energize...

Страница 36: ...gh Alarm Operation Set Reset For Manual reset mode ACK can be pressed anytime to turn off relay To detect a new alarm condition the signal must go below the set point and then go above it Low Alarm Operation Set Reset For Manual reset mode ACK can be pressed anytime to turn off relay For relay to turn back on signal must go above set point and then go below it www com information itm com 1 800 561...

Страница 37: ... Relay coil is energized in non alarm condition In case of power failure relay will go to alarm state Low Alarm with Fail Safe Operation Set Reset Note Relay coil is energized in non alarm condition In case of power failure relay will go to alarm state Pump Alternation Control Operation www com information itm com 1 800 561 8187 ...

Страница 38: ...ition 2 Turn Off Go to non alarm condition 3 Ignore Processed as a low signal condition Time Delay Operation The following graphs show the operation of the time delay function When the signal crosses the set point the On time delay timer starts and the relay trips when the time delay has elapsed If the signal drops below the set point high alarm before the time delay has elapsed the On time delay ...

Страница 39: ...nt Panel LEDs The LEDs on the front panel provide status indication for the following The meter is supplied with four alarm points that include front panel LEDs to indicate alarm conditions This standard feature is particularly useful for alarm applications that require visual only indication The LEDs are controlled by the set and reset points programmed by the user When the display reaches a set ...

Страница 40: ...LatcH In this application the meter is set up for manual reset at any time Acknowledging the alarm even if the alarm condition is still present resets the relay and turns off the LED Latching Relay Lt Clr In this application the meter is set up for manual reset only after the signal passes the reset point alarm condition has cleared Acknowledging the alarm while it is still present has no effect o...

Страница 41: ... Alternation Using Relays 1 2 1 Relays 1 and 2 are set up for pump alternation 2 Relays 3 and 4 are set up for low and high alarm indication Pump Alternation Operation 1 Pump 1 turns on when level reaches 30 000 when level drops below 10 000 pump 1 turns off 2 The next time level reaches 30 000 pump 2 turns on when level drops below 10 000 pump 2 turns off 3 If the level doesn t reach 35 000 pump ...

Страница 42: ...ion feature activated the next time the level reaches 6000 gallons relay 3 transfers and starts the backup pump 3 If the backup pump is not able to keep up and the level reaches 7000 gallons relay 4 transfers and starts the main pump as well 4 Relay 2 trips the High Level Alarm at 7500 gallons and resets at 6900 gallons 5 Relay 1 trips the Low Level Alarm at 495 gallons and resets at 750 gallons S...

Страница 43: ...responding digital input dI 1 to dI 4 terminal Interlock Relay Operation Example Relays 1 2 are configured to energize their front panel LEDs are off when SW1 SW2 switches above are closed If the contacts to these digital inputs are opened the corresponding front panel LEDs flash indicating this condition The processes being controlled by the interlock relay will stop and will re start only after ...

Страница 44: ...age 27 Reset Menu reset The Reset menu is used to reset the maximum or minimum reading peak or valley reached by the process both may be reset at the same time by selecting reset high low rst HL The tare value used to zero the display may be reset by selecting reset tare rst tr Control Menu Contrl The Control menu is used to control the 4 20 mA analog output and the relays manually ignoring the in...

Страница 45: ...eter Enter the Password menu and program a six digit password For instructions on how to program numeric values see Setting Numeric Values page 27 Record the password for future reference If appropriate it may be recorded in the space provided Model Serial Number Password 1 __ __ __ __ __ __ Password 2 __ __ __ __ __ __ Password 3 __ __ __ __ __ __ Total __ __ __ __ __ __ GTotal __ __ __ __ __ __ ...

Страница 46: ...ess the Password menu and enter the correct password twice as shown below The meter is now unprotected until a new password is entered If the correct six digit password is entered the meter displays the message unLoc unlocked and the protection is disabled until a new password is programmed If the password entered is incorrect the meter displays the message Locd Locked for about two seconds and th...

Страница 47: ...pd Low speed Set the contact de bounce filter value Hi Spd High speed Select high speed filter Round Round Set the rounding value for display variables seriAl Serial Set serial communication parameters SlaveId Slave ID Set slave ID or meter address baud Baud rate Select baud rate Tr dLY Transmit delay Set transmit delay for serial communication Parity Parity Select parity Even Odd or None with 1 o...

Страница 48: ...at least 0 001 mA resolution user User I O Assign function keys and digital I O F1 F1 function key Assign F1 function key F2 F2 function key Assign F2 function key F3 F3 function key Assign F3 function key F4 F4 function Assign F4 function digital input dI I Digital input 1 Assign digital input 1 4 if expansion modules are connected dO 1 Digital output 1 Assign digital output 1 4 if expansion modu...

Страница 49: ...0 1 0 10 0 0 1000 1 0 20 0 0 0500 1 0 100 0 0 0100 1 0 200 0 0 0050 1 0 400 0 0 0025 1 0 800 0 0 0012 1 0 999 9 0 0010 The low gate setting corresponds to the display update rate and is used to stabilize the display reading with a fluctuating signal The minimum frequency is dependent on high gate setting Contact De Bounce Filter FiLter The filter function FiLter can be used for applications where ...

Страница 50: ...te More detailed instructions are provided with each optional serial communications adapter Note Refer to the Modbus Register Tables for details When using more than one meter in a multi drop mode each meter must be provided with its own unique address The meter address Slave ID may be programmed between 1 and 247 The transmit delay may be set between 0 and 199 ms The parity can be set to even odd...

Страница 51: ...ction with 2 point linearization This linear function provides a display that is linear with respect to the input signal Multi Point Linearization Linear Meters are set up at the factory for linear function with 2 point linearization Up to 32 linearization points can be selected for PV1 under the linear function The multi point linearization can be used to linearize the display for non linear sign...

Страница 52: ...20 mA output Analog Output Source The source for generating the 4 20 mA output may be assigned to the rate process variable total grand total maximum or minimum value reached by the rate process or one of the set points or the Modbus PV input Analog Output Calibration To perform the analog output calibration it is recommended to use a milliamp meter with a resolution of at least 0 1 µA to measure ...

Страница 53: ...maximum minimum display values on line 2 Ln2 gt Display the grand total on line 2 F On 1 Force relay 1 through 4 into the on state This function is used in conjunction with a digital input expansion module to achieve interlock functionality See page 43 for details about interlock relays Display Description Contrl Directly access the control menu disabl Disable the selected function key or digital ...

Страница 54: ...g Mode view settings or exit max min readings Press to reset max min readings or other parameter function assigned through the User menu Press to display max min readings or other parameter function assigned through the User menu Press to acknowledge relays or other parameters function assigned through the User menu Function Key Operation During operation the programmable function keys operate acc...

Страница 55: ...s the Reset menu The max min displays are reset to actual values 3 Press Menu to exit max min display reading To display max min readings continuously Assign either display to Max d Hi Min d Lo or toggle between Max and Min d HL every 10 seconds Troubleshooting Due to the many features and functions of the meter it s possible that the setup of the meter does not agree with what an operator expects...

Страница 56: ...changed in a way that is difficult to determine what s happening it might be better to start the setup process from the factory defaults Instructions to load factory defaults 1 Enter the Advanced Features menu See Advanced Features Menu page 47 2 Press Up arrow to go to Diagnostics menu 3 Press and hold Right arrow for three seconds press Enter when display flashes reset Note If Enter is not press...

Страница 57: ...ensity d Inty 8 Total time base T tb Second Total conversion factor T CF 1 000 Total reset T rst Manual Grand total time base GT tb Second G total conversion factor gT CF 1 000 Grand total reset gT rst Manual Parameter Display Default Setting Relay 1 assignment Asign1 Total Relay 2 assignment Asign2 Total Relay 3 assignment Asign3 Rate Relay 4 assignment Asign4 Rate Relay 1 action Act 1 Automatic ...

Страница 58: ... 23 000 mA Minimum output min 1 000 mA Slave ID Address Slave Id 247 Parameter Display Default Setting Baud rate baud 9600 Transmit delay Tr dly 50 ms Parity Parity Even Byte to byte timeout t byt 010 0 1 sec F1 function key F1 Reset max min F2 function key F2 Upper display Max Hi F3 function key F3 Acknowledge relays F4 function F4 Acknowledge relays Digital input 1 dI 1 Menu Digital input 2 dI 2...

Страница 59: ...g a fixed number Check Display assignment it might be displaying max min or set point Display alternates between 1 Hi and a number Lo and a number Press Menu to exit max min display readings Relay operation is reversed Check 5 Fail safe in Setup menu Wiring of relay contacts Relay and status LED do not respond to signal Check 1 Relay action in Setup menu Set and reset points Flashing relay status ...

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