Download
Share
Print this page
  1. Manuals
  2. Brands
  3. LAUREL Manuals
  4. Measuring Instruments
  5. LAUREATE 2 Serise
  6. Owner's manual

LAUREL LAUREATE 2 Serise Owner's Manual

Counter / timer / serial input meter
Hide thumbs

Advertisement

Quick Links

Download this manual
Electronics Inc.
3183 G Airway Ave, Costa Mesa, CA, 92626, USA
Tel: (714) 434 6131 • Fax: (714) 434 3766 • Website: www.laurels.com
1

Advertisement

loading
Need help?

Need help?

Do you have a question about the LAUREATE 2 Serise and is the answer not in the manual?

Questions and answers

Related Manuals for LAUREL LAUREATE 2 Serise

Summary of Contents for LAUREL LAUREATE 2 Serise

  • Page 1 Electronics Inc. 3183 G Airway Ave, Costa Mesa, CA, 92626, USA Tel: (714) 434 6131 • Fax: (714) 434 3766 • Website: www.laurels.com...
  • Page 2 Configure a model number in this format: .." &! " 2 2 ' ! Includes screw terminal connectors. Above plus rate and total simultaneously, custom curve linearization, arithmetic func ' ## # ( #&%$) tions (A*B, A/B, A+B, A B, A/B 1), phase ........
  • Page 3 ORDERING GUIDE ..................... 2 TABLE OF CONTENTS ....................3 PRODUCT INTRODUCTION ..................4 RECEIVING & UNPACKING ..................5 SAFETY CONSIDERATIONS ..................5 CONNECTOR WIRING INFORMATION ..............6 MECHANICAL ASSEMBLY ..................8 FRONT PANEL SETUP KEYS ..................10 ENABLING & LOCKING OUT MENU ITEMS .............. 12 DUAL CHANNEL PULSE OR AC INPUT SIGNAL CONDITIONER (FR) ....
  • Page 4 ! ' ! # are a versatile, cost effective solution to a wide range of monitoring and control applications including frequency, rate, total, period, time, phase, position, and flow. Setup can be via front panel pushbuttons or a PC. Selective lockout of front panel keys protects against accidental or unauthorized setup changes and simplifies meter use.
  • Page 5 Your meter was carefully tested and inspected prior to shipment. Should the meter be damaged in shipment, notify the freight carrier immediately. In the event the meter is not configured as ordered or the unit is inoperable, return it to the place of purchase for repair or replacement.
  • Page 6 Connectors for signal and power are U/L rated screw clamp terminal blocks that plug into mating jacks on the circuit board. Communication con nectors are a single RJ11 plug for RS232, a type B jack for USB, dual RJ11 or RJ45 plugs for RS485, or RJ45 for Ethernet.
  • Page 7 uses two unipolar connections.
  • Page 8 3 > First remove any connectors. Use one hand to press in the two sides of the rear of the case, and the other hand to press down the two protruding tab releases at the top of the rear panel (see figure below). This will unhook the rear panel from the case. Retaining tab Retaining tab with tab release...
  • Page 9 rear panel. Once the rear panel is in place, reinstall the input/output screw clamp terminal plugs. Slide the meter into the 45 x 92 mm 1/8 DIN panel cutout. Ensure that the provided gasket is in place between the front of the panel and the back of the meter bezel. The meter is secured by two pawls, each held by a screw.
  • Page 10 = > There are four front panel keys, which change function for the ! 2 and effectively becoming eight keys. The keys are labeled with alphanumeric captions (MENU, PEAK, RESET, ALARMS) for the Run Mode and with symbols ( right arrow, right triangle, up triangle,...
  • Page 11 = ) Pressing with resets peak and valley values. Pressing with resets latched alarms. Pressing with performs a meter reset (same as power on). Pressing and releasing without pressing another key changes the displayed item if the mode has multiple items. For Item 1, the V LED is out.
  • Page 12 For security reasons and ease of counter operation, any or all menu items can be disabled or "locked out" so that they are no longer accessible from the front panel. Each function to be disabled can be set to "1" under menu headers "$%, while each function to be enabled can be set to "0."...
  • Page 13 The dual channel signal conditioner board is used for the frequency, rate, period, timing, batch control, phase and duty cycle meter functions. It needs to be configured via jumpers for the input signal type and level. It is recognized by the meter software, which will bring up the applicable menu items.
  • Page 14 "" A!"& &! )& 7"$4 . ( 3. / ( 3/ Logic levels ±250V NPN open collector +25V PNP open collector Contact closures 15V, +25V a or b a, c Line frequency 250V rms a, c Magnetic pickup, 2 wire ±250V Excitation return A contact closure is normally an On/Off switch...
  • Page 15 rate. At very low frequencies, the update rate is controlled by the period. A from 0 to 199.99 sec is also selectable. This is the time the meter waits for a signal to start or end a conversion. While waiting, the counter will display rEAdinG. If a signal is not received before ends, the meter reads zero.
  • Page 16 > .* *+ &&% '$ - Display rate in GPM to two decimal places from flow meter calibrated to 36.67 pulses/gallon. - Set Input to “Rate A Only. Un der Setup, select “coordinates of 2 points” scaling method. Set DecPt1 to two places. Then enter the low input and desired low reading, and high input and desired high reading, as shown.
  • Page 17 > .* *+ &&% '$ - Display total in gallons with two decimal places for flow meter calibra ted to 36.67 pulses/gallon. - Set Input to “Total A Only.” Un der Setup, select “Restore totals at power on” and coordinates of 2 points method. This is the preferred scaling method.
  • Page 18 > 3> &&% '$ - Display total liquid volume in gallons to two decimal places from 2 pipes dispensing liquids into the same tank. Flow meter A is calibrated to 36.67 pulses/gal lon, flow meter B to 58.12 pulses/gallon. - Arithmetic operations require the Extended counter.
  • Page 19 • D _: @E (Extended counter) displays Total A as Item #1, where counting may be inhibited by a control input on Channel B. If the menu item is set to 0 for Channel B (digit 6), a low input level on B allows counting, and a high input level inhibits counting.
  • Page 20 • :$ ' ' % " 2 # #< pushing the key initiates cycling. Grounding an external . input for a minimum of 3.33 ms then starts each new fill cycle by energizing Relay #1 and resetting the Batch Total. . is not used.
  • Page 21 < > &&% '$ - Measure the closing time of a relay in msec to 0.001 msec resolution. - To close the relay, apply the same positive voltage to the relay coil and to meter Channel A. Wire the relay so that 0V is applied across Channel B when the contacts are closed.
  • Page 22 • 3 D__ 3E (Extended counter) Takes the inverse of stopwatch time for a reading in /second. For example, if the travel time for an object to travel from point A to point B is 5 seconds, the inverse stopwatch time interval would be 0.2/sec.
  • Page 23 E (Extended counter) The power factor of an AC power system is the ratio of real power in watts (W) divided by apparent power in volt amperes (VA). For sinusoidal signals differing by a phase angle θ, power factor will be cos(θ), which is how the meter computes power factor. Power Factor readings can range from 1.000 to 0.000 with three decimal places and an accuracy of 0.1% for sinusoidal signals at 50/60 Hz AC line frequency.
  • Page 24 4$"&% 1 # 0 $% 0 ! &! 4 mA output is desired for Power Factor of 0.4 (OCV = 0.400). 20 mA output is desired for Power Factor of +0.4 (OCV = 2.000 0.4 = 1.600). Set up as follows: deC.Pt to 111.111, AnSEt to 21, An_Lo to +0.400 (4 mA point), An_Hi to +1.600 (20 mA point), dEC.Pt as desired to 111.111, 1111.11 or 11111.1 4$"&% 1 # 0...
  • Page 25 If the key does not work, see Section 9 “Enabling & Locking Out Menu Items.” Menus are dynamic. Menu items will only appear if appropriate for previously made menu selections. For example, Batch menu items will only appear if “Batch” was selected under “Rate.”...
  • Page 26 __:__ Total for Channel A (Item #1). Total for (continued) Total modes Channel B (Item #2). Total for Channel A only (Item #1). 9:C 2 Running total (Item #1) of counts on Channel A minus counts on Channel B. Count of bursts (Item #1). Burst frequency (Item #2).
  • Page 27 _ 9.* Span from 0° to 360°. Select for phase (continued) Phase angle modes angles centered around 180° (Item #1). _9 , I Span from 180° to +180°. Select for phase angles centered around 0° (Item #1). 2! )C _ _: On or Off period of square waves as a Duty cycle mode percentage of total period (Item #1).
  • Page 28 __ 000 Normal, overload to exponential format Configu Display mode Normal, overload to 999999 ration 1 right hand dummy zero 2 right hand dummy zeros Time display in seconds (not in Usec) Time display in HH.MM.SS format (not in Usec) Remote display (H, K, L commands) Single value remote display Show 1...
  • Page 29 _000 0 Make Item #2 the Grand Total of all batches. (continued) Definition of Item #2 Make Item #2 the Total Number of batches. _0000 Display “rEAdy.” R key starts batching. Action after Meter Reset Start batching upon Meter Reset. _ 0000 Adaptive moving average filter.
  • Page 30 Coordinates of 2 points scaling method if selected under 00000 0 0000 00 000 Select thru for flashing first digit and thru Low signal other flashing digits. Move decimal point location 000 00 0000 0 00000 input 1. when flashing. Select digit to flash.
  • Page 31 Scale multiplier for combinations of two channels (e.g., AxB, A/B) if selected under C Flashing 6 digit number Press to select. This is a multiplier to avoid Resolution in decade steps from overflow or underflow of arithmetic combinations of Channels A and B. Quartz crystal time base calibration Time base calibration.
  • Page 32 This signal conditioner board converts 0 1 mA, 4 20 mA or 0 10 V analog process signals to a frequency signal, which is then read by the counter main board and processed mathematically for display of rate, total (time x rate), time based on rate, or batch control. The board needs to be configured via jumpers for the input signal range.
  • Page 33 Measurements are averaged over a gate time, which is programmable from 10 ms to 199.99 sec. Selecting a long gate time provides a slower display update rate but superior noise filtering. Moving average filtering is also available. Square root extraction is selectable un ConFiG for use with differential pressure flow transducers.
  • Page 34 • :$ ' ' % " 2 $% 0$ H< the meter waits at the end of every cycle until an external gate input is grounded for a minimum of 3.33 ms. This starts a new fill cycle by energizing Relay #1 and resetting the Batch Total. . is not used.
  • Page 35 = > If the key does not work, see Section 9 “Enabling & Locking Out Menu Items.” Menus are dynamic. Menu items will only appear if appropriate for previously made menu selections. For example, Batch menu items will only appear if “Batch” was selected under “Rate.”...
  • Page 36 __ 000 Normal, overload to exponential format Configura Display mode Normal, overload to 999999 tion 1 right hand dummy zero 2 right hand dummy zeros Time display in seconds Time display in HH.MM.SS format Remote display (H, K, L commands) Single value remote display Show 1 string value, slaved to another meter...
  • Page 37 _ 0000 & _0 000 Not used with VF Batch. Set to 0. Batch setup _00 00 Use gate time* as delay between batches. Batch triggering Use External Input B to start each new batch. _000 0 Make Item #2 the Grand Total of all batches. Definition of Item #2 Make Item #2 the Total Number of batches.
  • Page 38 Coordinates of 2 points scaling method if selected under 00000 0 0000 00 000 Select thru for flashing first digit and thru Low signal for other flashing digits. Move decimal point location 000 00 0000 0 00000 input 1. when flashing. Select digit to flash.
  • Page 39 Our quadrature signal conditioner board can be used with incremental encoders for position (with Basic or Extended counter main board) or for rate (Extended counter main board only). Two quadrature signals, which are 90º out of phase, are applied to the Channel A and B inputs.
  • Page 40 A!"& &! )& Single ended, with excitation, no zero index a, c a, c a, c a, c Single ended, with excitation, with zero index a, c a, c a, c Single ended, with external supply, no zero index a, c a, c Single ended, with external supply, with zero index a, c...
  • Page 41 The quadrature decoder board generates up (+) and down ( ) counts that are arithmetically totalized on the main counter board and are then displayed. The decoder board has input circuitry that may be jumpered for single ended input signals or balanced line driver signals. It accepts normal A &...
  • Page 42 The zero index channel has the same digital filtering as the A & B channels. It contains a Polarity jumper that allows selection of either a positive or negative zero index signal. It also contains two Control inputs, C1 and C2 that control the ANDing of the zero index signal with the Channel A and Channel B signals.
  • Page 43 The relationship between the zero index correction signal and the Channel A & B signals varies by encoder model and by manufacturer. To accommodate this variation, the Quadra ture board has control jumpers and selectable outputs that provide ANDing of the zero index signal with all possible combinations of the Channel A &...
  • Page 44 By ANDing the zero index signal with the A & B channels, there is no regional discrepancy between counting up and counting down. There are 2 control signals, C1 and C2, and 3 outputs, ZI, ZIX and ZIY. These may be jumpered to provide 8 selections of ANDed signals or the zero index signal without ANDing.
  • Page 45 Rotate the optical encoder past the zero index point to set the internal correction. Return to the desired zero mechanical position and verify a zero reading. This completes the procedure. If the encoder is rotated back to mechanical zero, it should read zero.
  • Page 46 3> A Channel B Channel Zero Index 3 $2% )- current sink, open collector & line driver, CCW rotation A Channel B Channel Zero Index 3 $2% )- current source, CCW rotation. A Channel B Channel Zero Index Zero Index (gated) 3 - Models H25, L25, E25, MOD5500, MOD5600,CCW rotation A Channel B Channel...
  • Page 47 > &&% '$ - Display distance in feet with 3 decimal points using a 1024 pulse/revolution quadrature encoder tied to a roller with 1.782 ft circumference. - Set Input to “Quadrature Total.” Set Gate Time to 0.01 sec for fast display updates.
  • Page 48 1 = Display Item #2, 2 = Display Item #3 With 1 and 2 at 5V or open, Display Item #1. 1 & 2 both at 0V = Meter Reset (can restore totals). 1 & 2 both at 0V for selections , +, ,, Function Reset* (erases all totals).
  • Page 49 Coordinates of 2 points scaling method if selected under 00000 0 0000 00 000 Select thru for flashing first digit and thru Low signal other flashing digits. Move decimal point location 000 00 0000 0 00000 input 1. when flashing. Select digit to flash.
  • Page 50 Rate and direction may also be displayed using an Extended version of the counter. Using quadrature to determine rate not only has the advantage of displaying direction but also eliminates errors due to vibration and jitter that cause erroneous readings in standard rate meters.
  • Page 51 = > If the key does not work, see Section 9 “Enabling & Locking Out Menu Items.” _;! 2 Basic meter Quadrature total Input Quadrature Extended Quadrature rate _ 0000 Not applicable Set to zero. Setup _0 000 Leading zeros Blank leading zeros.
  • Page 52 ____ 1 PEAK key action Display Peak Display Valley Display # Peak (1 push), Valley (2 push) ____0 Item to display Item #1* (Quadrature Rate = Rate A Rate B) after Meter Reset Item #2* (Rate A) Item #3* (Rate B) _ 00.00 _0 0.00 _00 .00 Select thru...
  • Page 53 Coordinates of 2 points scaling method if selected under 00000 0 0000 00 000 Select thru for flashing first digit and thru Low signal other flashing digits. Move decimal point location 000 00 0000 0 00000 input 1. when flashing. Select digit to flash.
  • Page 54 > With a Basic counter main board and a serial interface board, the counter can operate as a 6 digit serial input meter (or remote display) to display serial data received from a computer or PLC, or act as a slave display to another meter, counter or timer with a serial output. A signal conditioner board is not required, but will not interfere with remote display operation if installed.
  • Page 55 $% & 0 $""$:% 1 $ ! # of the serial input meter are detailed in the “Command Mode for Remote Display Operation of Counter / Timer” and “Data Formats” sections of the . In particular, Mode 12 (hex C), which is invoked by setting the first digit under .
  • Page 56 > An optional relay board may be installed in the meter main board at plug position P2, adjacent to the power supply board. Four board versions are available: 2 or 4 relays, contact or solid state. Once installed, the relay board is recognized by the meter software or PC based Instrument Set up software, which will bring up the appropriate menu items for the type of board.
  • Page 57 = > If the key does not work, see Section 9 “Enabling & Locking Out Menu Items.” Filtered item Item #2 Source to com Setpoint 1 compared to: Item #1 Item #3 pare to setpoint 0 00 Filtered item Item #2 Setpoint 2 compared to: Item #1 Item #3...
  • Page 58 0000 AL3 relay closed AL4 relay closed Alarm Setup Relay open or closed when AL3 relay open AL4 relay closed for relays 3 & 4 in alarm state. AL3 relay closed AL4 relay open if detected. AL3 relay open AL4 relay open 0 000 AL3 non latching AL4 non latching...
  • Page 59 Two versions of an analog board may be installed in the meter at rear panel jack position J4, adjacent to the signal conditioner board. Once installed, this board is recognized by the meter, which will bring up the appropriate menu items for it. These will not be brought up if an analog output board is not installed.
  • Page 60 .00000 0. 0000 0.0 000 Select thru for flashing digit. Low displayed value for 0.00 00 0.000 0 0.0000 10V, 0V, 0 mA, or 4 mA Select digit to flash .00000 0. 0000 0.0 000 Select thru for flashing digit. High displayed value for 0.00 00 0.000 0 0.0000 10V or 20 mA output...
  • Page 61 $% ' ""! '$ # : $ 2 may be connected to the meter main board at plug position P13 (middle position). Available boards are RS232, RS485 (with dual RJ11 connectors), RS485 Modbus (with dual RJ45 connectors), USB, USB to RS485 converter, Ethernet, and Ethernet to RS485 converter.
  • Page 62 3$# ' 3 $ 2 No jumpers needed. . 3 $ 2 Externally enabled RTS (otherwise always enabled) Do not use. 0 Installed for normal operation. - Board is shipped with jumper 0 installed. /, 3 $ 2< !$% A #<...
  • Page 64 = > If the key does not work, see Section 9 “Enabling & Locking Out Menu Items.” ___ 00 Send unfiltered signal Serial Setup 1. Output filtering Send filtered signal Press until ___0 0 300 baud 4800 baud " is displayed. Baud rate 600 baud 9600 baud...
  • Page 65 _ 0000 Half or full duplex Full duplex Half duplex Serial Setup 3 _0 000 * (asterisk) is recognition character. Recognition characters, No start & stop characters. start & stop characters. Custom recognition character. No start & stop characters. Special characters have to * (asterisk) is recognition character.
  • Page 66 > Three isolated transducer excitation output levels are available from the power supply board. These are selectable via jumpers b, c, d, e, f in the upper right of the board, as illustrated. In addition, the board provides three jumper positions for special features. The same jumper locations apply to the universal power supply (85 264 Vac or 90 300 Vdc) and to the low voltage power supply (12 32 Vac or 10 48 Vdc).
  • Page 67 software is a PC program which is much easier to learn than front panel programming. It is of benefit whether or not the meter is connected to a PC. With the meter connected to a PC, it allows uploading, editing and downloading of setup data, execution of commands under computer control, listing, plotting and graphing of data, and computer prompted calibration.
  • Page 68 A setup file can be retrieved from the meter ( => . ), be edited (5 ), be saved to disk ( ), be retrieved from disk ( 67 + and be downloaded into one or multiple meters ( ). Downloading of setup files from a PC can be a major time saving when multiple counters have to be set up in the same way.
  • Page 69 • $2 0# &!%%92 " ! provides three formats to display meter data on the PC monitor. Use the buttons to control the timing of data collection, then press for a hardcopy record on your PC printer. # presents the latest readings in a 20 row by 10 column table. Press at any time to freeze the display.
  • Page 70 ) ! 1 is an executable PC program used to set up an Extended meter so that the readings have a non linear relationship with the input signal. For example, it allows a meter to correct for non linearity of transducers.
  • Page 71 In counter base models with the FR or QD signal conditioner board, only one item can be calibrated, namely the quartz crystal time base that is used for frequency, rate and timing. That time base has been digitally calibrated at the factory prior to shipment to within ± 2 ppm using a NIST traceable calibration standard.
  • Page 72 > Type ..........6 LED digits, 7 segment, 14.2mm, plus 4 LED indicators Digit Color ......................Red or green Display Range ..................999999 to +999999 > Conversion Technique ....................1/period Conversion Rate ..........Gate Time + 30 ms + 2 signal periods (max) Gate Time ..................
  • Page 73 Common Mode Voltage for ±200 mV sensitivity ..............±7V Single ended High Voltage ................... 2.5V to 5.5V Single ended Low Voltage ..................1V to +1V Input resistance, Typ....................17 kOhm Conversion Technique for Rate ................... 1/period Conversion Time for Rate .......... Gate time + 30 ms + 0 2 signal periods Time Before Zero Output for Rate ..........
  • Page 74 Power to Analog Output Option ..............Powered by meter Output Levels, Single Analog Output Option ....0 20 mA, 4 20 mA, 0 10V, 10 to +10V Output Levels, Dual Analog Output Option ........0 20 mA, 4 20 mA, 0 10V Voltage Compliance, 0 20 mA Output ..........
  • Page 75 > 2$& 5 1 % A threshold which causes an adaptive moving average filter to be reset to the latest reading when the accumulated difference between individual readings and the filtered reading exceeds that threshold. Adaptive moving average filter ing allows a meter to respond rapidly to actual changes in signal while filtering out normal noise.
  • Page 76 !# " & A simplified, short protocol for use with panel meters, counters and timers. It allows 31 digital addresses. Not an industry standard protocol, like the more complex , which is also offered with these instruments. !# " '! 5 A user specified nonlinear relationship between the input signal and displayed reading.
  • Page 77 the update rate. At very low frequencies, the update rate of the meter is controlled by the period. In totalizing mode, the gate is always open, but the gate time setting still determines the update rate of the meter. See also <...
  • Page 78 A constant adder to the displayed reading. This may be any value from 999,999 to 999,99. The offset may be used as a preset in the totalize mode, where the total can be counted down from the preset to zero. $B 2 #&%$) The maximum (or most positive) reading since that value was last reset.
  • Page 79 $%1 2!&% 4 Serial communications implemented with two wires, allowing data transmission in both directions, but not simultaneously. /, 1!%% 2!&% 4 Serial communications implemented with four wires, allowing data transmission in two directions simultaneously. The normal operating mode of the meter, where readings are taken, as opposed to the '$% 1$' A constant multiplier used to go from a raw reading in pulses per second or...
  • Page 80 In the event of a defect during the warranty period, the defective unit may be returned to the seller, which may be Laurel or a Laurel distributor. The seller may then repair or replace the defective unit at its option. In the event of such a return, freight charges from the buyer shall be paid by the buyer, and freight charges from the seller shall be paid by the seller.