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Manual - Laurel Electronics, Inc.

1. R X1 x2 or x4 Max PUISE Rates esci t ee phos o 250 kHz at x1 125 kHz at x2 62 5 kHz at x4 Differential High Threshold Voltage 200 mV Differential Low Threshold Voltage 200 mV Common Mode Voltage for 200 MV 7 Single ended High 2 5 to 5 5V Single ended Low Voltage 1V to 1V NUE BG SIS FG RERUM 17 kOhm Conversion Technique for 1 period Conversion Time for Rate Gate time 30 ms 0 2 signal periods Time Before Zero Output for Rate 0 to 199 99 sec selectable ZB o VV alk TIO TOT 0 to 199 99 sec selectable Output amp Display Update Rate oame as conversion rate Time Base Accuracy for Rate Calibrated to x2 ppm 55 20
2. 50 Hysteresis band 100 Pass band 100 Span Hysteresis for heater control Band Deviation for component testing In Split Hysteresis the relay opens or closes when the reading goes above the Setpoint plus one Deviation and closes or opens when the reading falls below the Setpoint less one Deviation Two Deviation limits lie symmetrically around the Setpoint to create a deviation band A narrow hysteresis band is often used to minimize relay chatter A wide band can be used for on off control In Span Hysteresis operation is as for Split Hysteresis except that the Setpoint is always on the high side and a single Deviation lies below the Setpoint to create the hysteresis band span Hysteresis is considered by some to be more intuitive than Split Hysteresis In Band Deviation the relay opens or closes when the reading falls within the deviation band and closes or opens when the reading falls outside Two deviation limits lie symmetric ally around the setpoint to create the deviation band Passbands around a setpoint are often used for go no go component testing 40 Alarm Type Selections Non Latching Latching Under Non Latching the relay is only closed or open while the Alarm State is Active Under Latching the activated relay remains closed or opens until reset regardless of the Alarm State Resetting is normally achieved by temporarily grounding one of the transmitter s control inputs which has
3. LTE Pulse input transmitter with 4 20 mA 0 20 mA or 0 10V isolated analog output iso lated Ethernet serial data output Modbus or Custom ASCII protocol two isolated solid state relays and isolated transducer excitation output Default jumpered for 10V excitation TA standard pulse or AC input Extended pulse of input Please see notes for Extended 85 264 HE 12 32 Vac or 10 48 Vdc ES Power over Ethernet LTE only Input Type Dual Channel Pulse or AC Input Standard main board Frequency 2 channels rate 2 channels total 2 channels period stopwatch time interval Extended main board Above plus rate and total simultaneously linear ized inputs using up to 180 points arithmetic functions applied to channels A amp B A B A B A B A B 1 phase angle duty cycle up down counting batch control liuc 4 20 mA Process Input dT 0 1 mA Process Input MS Q 10V Process Input Custom Input Standard main board Rate or total from analog process signals Selectable square root extraction for use with differential pressure flow meters Extended main board Above plus rate and total simultaneously analog totalizer custom curve linearization using up to 180 points batch control and time based on rate Quadrature Standard main board Position or length from encoders Acce
4. Under Input Display tab set Mode to Total Function to A Only and Gate Time to 0 sec to maximize display update rate Set Power On Total to Restore Total to retain total in event of power loss Under Scaling tab set Decimal Point to two places If Scale Offset is selected as scaling method set Scale to 2 72702 and Multiplier to 1 The product of Scale and Multiplier is 2 2 02 hundredths of a gallon pulse which is the inverse of K factor If Coordinates scaling method is selected enter High In and High Read to indicate that 36 67 pulses should read 1 00 gallon Under Analog Out tab set Range to 4 20 mA current Enter 0 00 gallons for Lo Range Reading and 50 00 gallows for Hi Range Reading as shown 24 Example 2 Transmit simultaneous rate amp total from 36 67 pulse gallon meter Application Digitally transmit rate in gallons minute with two decimal places from a flow meter with factor of 36 67 pulses gallon also display volume in gallons with no decimal point input Dispiay Scaling Filter Relay Alarms Communication Analog Out Signal Input Mode Gate Time Time Out woo sees ses Display Item No Item 1 Restore Total Trigger Slope A Custom Curve Positive Disabled Scale 1 Multiplier 1 Offset 1 Read ii Low In 1 Low Read 1 High In 1 High Read 1 Decimal Foint Scale 2 Multiplier
5. parity or length lt 3 errors detected on the bus including Count those not addressed to the Slave 00 00 00 00 Exception Returns total number of Exception responses returned by Error the Addressed Slave or that would have been returned if Count nota broadcast message or if the Slave was not in a Listen Only mode 00 OE 00 00 slave Returns total number of messages either broadcast or Message addressed to the Slave Excludes bad LRC CRC parity or Count length lt 3 errors 00 OF 00 00 Returns total number of messages either broadcast or Response addressed to the Slave for which Slave has returned No Count Response neither a normal response an exception response Excludes bad LRC CRC parity or length lt 3 errors 00 11 00 00 slave Returns total number of Exception Code 6 Slave Busy Busy 46 6 0 SUPPORTED EXCEPTION RESPONSE CODES Code Name Error Description 01 Illegal Function Illegal Function Code for this Slave Only hex Function Codes 03 04 05 08 10 dec 16 are allowed 02 Illegal Data Address Illegal Register Address for this Slave 03 Illegal Data Value Illegal data value or data length for the Modbus protocol 04 slave Device Failure Slave device failure eg Transmitter set for external gate 7 0 MESSAGE FORMATTING MA Meter Address DD Data Hex CL CRC Lo Byte FC Function Code WW Data On Off CH Hi Byte RA Register Address S
6. 4150 mV 350 mV 600 mV 600 mV 350 mV 1 15V 1 15 1 25 12 1V 2 1 1 25V Jumper Settings for Frequency Response Bias Resistor Debounce Time Pull up or pull down resistors are used with open collector devices and dry contact closures to provide input signal bias They should not be connected for other inputs Debounce circuitry keeps the transmitter from counting extra pulses due to contact bounce 16 Function Frequency Response amp BO 1 MHz max 30 7 max 250 Hz max REN 10 kOhm pull down to 5V Contact Debounce A4 amp BA b None a C 3 msec 50 msec Common Jumper Settings Wwe AGB Logicleves 250v a b NPN open collector NA b a a b PNP open collector NA b b j b j b Contact closures j aob a j a 250v b c Turineflowmeter 250v b a j j b 17 9 1 amp FREQUENCY MODES Frequency Hz is determined by timing an integral number of pulses over a user specified Gate Time from 0 to 199 99 sec and taking the inverse of average period The typical internal display update rate is Gate Time 1 period 30 ms Selecting a longer Gate Time produces a more stable reading more cycles are averaged but slows down the update rate At very low frequencies the update rate is con
7. WARRANTY Laurel Electronics Inc warrants its products against defects in materials or workmanship for a period of one year from the date of purchase In the event of a defect during the warranty period the unit should be returned freight prepaid and all duties and taxes by the Buyer to the authorized Laurel distributor where the unit was purchased The distributor at its option will repair or replace the defective unit The unit will be returned to the buyer with freight charges prepaid by the distributor LIMITATION OF WARRANTY The foregoing warranty shall not apply to defects resulting from 1 Improper or inadequate maintenance by Buyer 2 Unauthorized modification or misuse 3 Operation outside the environmental specifications of the product 4 Mishandling or abuse The warranty set forth above is exclusive and no other warranty whether written or oral is expressed or implied Laurel specifically disclaims the implied warranties of merchantability and fitness for a particular purpose EXCLUSIVE REMEDIES The remedies provided herein are Buyer s sole and exclusive remedies no event shall Laurel be liable for direct indirect incidental or consequential damages including loss of profits whether based on contract tort or any other legal theory Copyright 2006 2015 Laurel Electronics Inc Rev 15 September 2015 56
8. 4 hex characters 0 9 A F per word Included in the command is the total number of words to be transferred and the most significant address in nonvolatile memory of the continuous string of words The format is Read nonvolatile memory data 1Xnaa followed by Meter reset Write non volatile memory data 1Wnaa data followed by Meter reset where n is the number of words to be read or written is the most significant address in nonvolatile memory of the words to be read or written lt data gt is n words of 2 bytes or 4 hex characters per word in order from the most to the least significant address The coded number of words n consists of a single character representing values from 1 to 30 as shown under CHARACTER 4 The most significant address aa consists of 2 hex characters as shown under NONVOLATILE MEMORY ADDRESSES 53 19 LT SERIES PULSE INPUT TRANSMITTER SPECIFICATIONS Mechanical DIMENSIONS RENS 120 101 22 5 35 mm DIN rail per EN 50022 Electrical Detachable screw plug connectors Environmental Operating Temperature nnnm 0 C to 55 C Storage Temperature mme entren nennt 40 C to 85 C Relative 95 from 0 C to 40 C non condensing Power amp Electrical POWER MEC ETT 89 264 Vac or 90
9. 4 20 mA 1 P2 Serial GND MX 2 BRX GND Analog return 10V to 1 BTX N C AL2 2 P3 Solid P1 P 3 Power GND ower AL1 3 input 9 2 neutral or DC AL1 4 1 AC high or DC 6 TX 6 N C 5 RX 5 ARX 4 NC 4 3 GND 3 GND 2 BRX 2 BRX 1 DB9 connector 1 BTX to PC Transmitter rear view Transmitter Master RS232 wiring RS485 wiring full duplex 6 6 N C 71 5 ARX ATX ATX ARX 5 ARX ATX ARX 214 4 21 3 GND GND 3 GND GND OQ 2 BRX BTX BIX BRX 2 BRX BIX BRX Qj 1 N C 1 BTX Transmitter Master Transmitter Master RS485 wiring half duplex with internal jumpers RS485 wiring half duplex with external jumpers SIGNAL INPUT DETAIL PROCESS TOTALIZER SIGNAL INPUT DUAL CHANNEL PULSE SIGNAL INPUT DC amp Externally Powered Process Excitation return 1 Excitation 2 Signal input 3 Signal input 4 EM E 2 Wire Process Transmitter Excitation return 1 EM Excitation 2 Signal input 3 Signal input 4 _ QUADRATURE SIGNAL INPUTS Differential or Complementary Inputs A Input 1 Input 2 B Input 3 B 4 Z Input Excitation 5 Z Input Exc return 6 A Channel In B Channel In Single Ended Inputs A Input 1 A Channel In Excitation 2 Power Output B Input 3 B Channel In Excitation return 4 Power Output 2 Input 5 Zero Index In Signal Ground 6 P4 ANALOG OUTPUT DETAIL
10. COM port of your PC Download the file 15 x from our website and double click on the file name Click on Install Instrument Setup Software and follow the prompts To launch IS software press on otart gt Programs gt 152 gt Instrument Setup or on the desktop shortcut that you may have created Following a brief splash screen the Communications Setup screen below will appear Communications Help Protocol Parity Custom ASCII None Modbus RTU Modbus ASCII Communications Setup Device Type C Panel Meter L LW Display Transmitter LT No Display C Transmitter LTE No Display RS485 RS485 Communications Type ieme Full Half E Duplex Duplex In the Communications Setup screen select the Custom ASCII as the protocol as this is the factory default setting Select Transmitter LT as the Device Type and RS232 the Communi cations Type This will take you to the Establish Communications screen 8 m Establish communications Com Ports Baud Rate Establish Com 1 300 2 600 Com 3 1200 Com 4 2400 Com 5 4800 C Com 6 9600 Com 7 19200 Com 8 38400 Future Use Com 9 Other Com Port In the Establish Communications screen select your Com Port 9600 as the Baud Rate You will be able to change your protocol and baud rate later under the Communicatio
11. Driving a Load with 4 20 mA r 7 500 Ohms max Driving a Load with 0 10V 10 output 2 0 10V output 2 5 kOhms min Analog return 1 4 20 mA output 2 Zero Index In EXcitation return 1 Excitation Output Excitation 2 Single Powered Sensor Input Excitation return 1 Excitation 2 B Signal Input 3 Signal Ground 4 E A Signal Input 5 Power to sensor Active and Passive Inputs Inputs can be proximity switches contact closures digital logic magnetic pickups or AC inputs to 250V Warning Dual channel signal grounds 4 amp 6 are connected internally B Signal Input 3 Signal Ground 4 A Signal Input 5 Signal Ground 6 oy Sensor common MOUNTING FOR COOLING Mount transmitters with ventilation holes at top and bottom Leave minimum of 6 mm 1 4 between transmitters or force air with a fan 7 PROGRAMMING YOUR TRANSMITTER Our transmitters are easily programmed using PC and Instrument Setup 15 Software which provides a graphical user interface The software allows uploading editing downloading and Saving of setup data execution of commands under computer control listing plotting and graphing of data and computer prompted calibration USING IS SOFTWARE 6 TX 9 schematic of RS232 cable CBL04 5 RX with rear view of DB9 connector to LO 4 NC 6 PC 3 GND 2 BRX 4 Use a 3 wire RS232 cable P N CBL04 to connect your transmitter to the
12. Item 2 Rate can be scaled using Scale and Offset or the Coordinates of 2 Points method Total can only be scaled using Scale and Offset Total is calculated by adding rate pr second every second If square root extraction or custom curve linearization available with Extended main board is selected the rate used is after square root extraction or ization 1 A Rate Extended main board determines the inverse of rate For example this can be the time it takes an item to traverse an oven at a measured rate Like Rate 1 Rate can be scaled using Scale and Offset or using the Coordinates of 2 Points method Square Root extraction can be selected for rate 1 Rate is not available with custom curve linearization Example of rate and volume from a 4 20 mA flow meter Application Transmit flow rate in GPM to three decimals and totalized volume in gallons to two places from a 4 20 mA flow meter calibrated so that 4 mA 0 GPM and 20 mA 18 756 GPM Do not totalize reported flow rates below 0 050 GPM as these are deemed to be noise Solution Under Input Display tab set Signal Input Mode to VF 4 20 mA Function to A A Total Cutoff Value to 00 050 Cutoff Enable to Enabled and Power On Total to Restore Total to retain total in event of a power failure Under Scaling tab for VF 4 20 mA A Rate set Decimal Point to three places If Scale Offset scaling method is selected set Scale 1
13. and output connectors The 12 32 Vac 10 48 Vdc power connector is colored Black This transmitter has no power switch It will be in operation as soon as power 1 applied e avoid dangers of electrocution and or short circuit do not attempt to open the case while the unit is under power e prevent an electrical or fire hazard do not expose the transmitter to excessive moisture Do not operate the transmitter in the presence of flammable gases or fumes as such an environment constitutes an explosion hazard Symbols applicable to this product Caution refer to accompanying documents E Earth ground terminal N Caution risk of electric shock Both direct and alternating current IT Equipment protected throughout by double ETL Mark Indicates that the product insulation or reinforced insulation UL Std 61010 1 and is CE Mark Indicates that product meets 4 9 certified to CAN USA Std C22 2 No EU safety health and environmental 61010 1 m requirements Operating environment Transmitter Class double insulated equipment designed for use in Pollution degree 2 5 6 TRANSMITTER FIELD WIRING 1 See manual 2 P6 Signal fordifferent 3 input amp Es o See section 14 for main signal types 4 ro E board board for jumper settings 5 6 Control input 2 1 5485 RS232 Control input 1 2 P5 Control NIC inputs 1 amp 2 5 ARX RX NC Analog ret 0 10V or
14. been set to Function Reset under the Input Display tab Alarms 1 2 No Rdgs to Alarm Selections are binary steps from 1 to 128 This is the number of consecutive alarm readings that must occur to create an Active alarm Numbers higher than 2 provide some Alarm filtering so that 1 or 2 noisy readings do not cause an Active Alarm The Alarm becomes Inactive if one of the consecutive readings fails to be an Alarm reading The Alarm readings counter then resets to 0 14 INPUT SIGNAL FILTERING The Filter tab provides selections to minimize the effect time jitter and electrical noise which can affect trigger points In most cases filtering is only available for Item 1 and is grayed out for totalizing and stopwatch functions Input Display e Time Constant provides a moving average filter with the following eight equivalent RC time constants no filter 0 1 sec 0 2 sec 0 4 sec 0 8 sec 1 6 sec 3 2 sec and 6 4 sec The longer time constants provide superior noise filtering at the expense of fast response time Note that filtering can also be accomplished by lengthening the Gate time under the Input Display tab e Type allows selection of Adaptive or Conventional filtering With Adaptive the time constant is changed dynamically so that the transmitter can respond rapidly to actual changes in signal while filtering out random noise The moving average filter is reset to the latest reading when the accumulated difference between indi
15. main board determines the total number of signal bursts applied to Channel B Item 1 Gate time should be set to zero Time Out must be greater than the maximum time between bursts Total B A Rate Extended main board determines Total for Channel B Item 1 and Rate for Channel A Item 2 Total B UpDnCtl Extended main board determines Total A Item 1 where the up or down count direction is determined by an input on Channel B If the menu item SLOPE is set to 0 for Channel B an input level on B below the jumper set Low Threshold B causes the count to go up and an input level above the jumper set High Threshold causes the count to go down If SLOPE for Channel B is set to 1 the opposite occurs The maximum frequency on A that can be counted is 250 kHz or a minimum of 4 us between pulses Total A B InhibitCtl Extended main board determines Total Item 1 where counting may be inhibited by a control input on Channel B If the menu item SLOPE is set to 0 for Channel B a low input level on B allows counting and a high input level inhibits counting If the SLOPE for Channel B is set to 1 the opposite occurs The maximum frequency on A that can be counted is 1 MHz Totals A B A B AxB A B 1 Extended main board determine arithmetic combinations of Totals and B Item 1 Total A Item 2 and Total B Item 3 are also tracked and can be selected for analog output Applicable to all totalizing application exa
16. serialcom2 pdf 2 0 MEASUREMENT DATA FORMAT The basic measurement data format consists of 8 ASCII characters for analog input DPM transmitters such as 999 99 lt CR gt where lt CR gt is the carriage return character The first character is always a plus or minus sign A decimal point is always furnished even when it follows the last digit Adding a Line Feed Character to the Basic Format Printers and other devices that receive the data may require a line feed character lt LF gt following the lt CR gt The line feed character lt LF gt may be selected using Instrument Setup software Adding a Coded Data Character to the Basic Format A coded character from A to H may be added to the data string according to the table below to indicate the alarm and overload status of the device If used this character precedes the lt CR gt so that it is the last printable character in the string With the optional lt LF gt and coded character selected the data string will consist of 10 characters for analog input DPM transmitters such as 999 99A lt CR gt lt LF gt Neither Alarm set A E Alarm 1 set only B F Alarm 2 set only G Both Alarms set D H For example a coded character G indicates that Alarm 2 only is set and that the transmitter is in the overload condition This information is useful when data is supplied to a computer for listing and analysis or when data is supplied to a Remote Display in a Master Slave conf
17. the Input Display tab Use this screen to set up Signal Input Display and Control Inputs Click on Read to display the current reading The background color of this field will change from red to green Clicking on the Control Inputs field opens a pull down menu which allows selection of the roles of Control Input 1 Control Input 2 and simultaneous Control Inputs 1 and 2 For example with a Dual Pulse Input signal conditioner and the highlighted selection grounding Control Input 1 causes a Function Reset which resets Peak Valley and latched alarms grounding Control Input 2 places the transmitter on Hold and causes the Peak reading to be transmitted and grounding both Control Inputs 1 and 2 causes a Meter Reset causes a power on reset of the transmitter Note that the roles of the Control Inputs vary with the type of signal conditioner Only the applicable roles will be displayed Press the F1 key for context sensitive help with any item 10 Input Display Filter Relay Alarms Analog Out Item 1 LO sme Decimal Point 1 Trigger Slope Custom Curve Square Root un al Jl scale T 1 Offset Fead ii in Low In 1 Low Read 1 High In 1 High Read 1 comine gt Fcooooe 000000 vosoo00 ewe 3 om rigger pre Scale 2 Multiplier 2 Offset 2 ssa Low In2 Low Read 2 High In2 High Read 2 Commen HE Click on
18. the Scaling tab to scale your transmitter You will normally be given the choice of two scaling methods 1 direct entry of Scale and Offset and 2 the Coordinates of 2 Points me thod where Low In Low Read and High In High Read data points are entered numerically Input Display Fi Relay Alarms Analog Out Filter Item 1 Time Constant Type Threshold Peak Valley Filter A omera 3l Click on the Filter tab to set to set up filtering for your readings Press the F1 key for context sensitive help with any item 21171 1 2 Deviation Deviation 2 Alarm Source Alarm 2 Source mes Alarm State Alarm 2 State Disabled gt Relay Alrm State Relay2 Alrm Siate 31 ActiveOn gt Deviation Type Alarm Type Alarms 1 2 Rdgs io Alarm 1 Reading Click on the Relay Alarms tab to set up your transmitter s two solid state relays which are standard Press the F1 key for context sensitive help with any item Input Display Helay Alarms Analog Out Serial Communications Baud Rate Address Ouiput Items Ouiput Filter Ouiput Rate m ftent Mode Incl Alarm Data CR LF Full Half Duplex femna TETEE rc serial Protocol Cusiem ASCH ASCH 7 Recognition Char Transmission Chars Standara 7 zl Special Char Click the
19. 2 Offset 2 uses 2 Low Read 2 High In 2 High Read 2 T Solution Under Input Display tab check Extended an Extended main board is required Set Mode to Rate and Function to A A Total Rate A will be Item 1 Total A will be Item 2 In this mode total is calculated by adding rate sec every sec not directly from the count of flow meter pulses Set Power On Total to Restore Total to retain total in event of power loss Under Scaling tab for A Rate set two decimals If Scale Offset is selected set Scale to 1 63621 and Multiplier to 100 This is inverse of factor multiplied by 100 to change counts from gallons to hundredths of a gallon and further multiplied by 60 to go from the native rate per sec to rate per minute If Coordinates is selected enter Hi In and High Read 50 that 36 67 pulses sec reads 60 00 gallons minute GPM With both scaling methods rate counts will be in hundreths of a gallon minute and disregard the decimal point Under Scaling tab for A Total set decimal to far right If Scale Offset is selected set Scale 2 to 1 666666 and Multiplier to 0 0001 to go from hundreths of a gallon minute to gallons sec If Coordinates is selected enter Hi In and High Read so that a rate of 6000 hundreths of a gallon minute is totalized every second to produce a total of 1 gallon 25 Example 3 Transmit total volume by adding two flow meter c
20. 2750 272 2700 Continne New Scale Pause End Save Plot 1260 1024 Pra 512 256 2800 28265 2650 eo 5 End e zh e Print Continue New Scale Pause Save Graph 14 8 OPENING YOUR TRANSMITTER CASE WHEN CHANGE JUMPERS Your transmitter case does not need to be opened if jumpers have already been set by your distributor Otherwise you will need to open the case and either set jumpers or verify that the factory default jumpers positions will meet your needs Jumpers are used for the following 1 On the dual channel pulse input signal conditioner board to set trigger levels frequency response bias resistance and contact debounce See Section 9 2 V to F signal conditioner board to set the analog input signal type 0 10V 0 1 mA or 4 20 mA See Section 10 3 On the quadrature signal conditioner board to set the quadrature input type input termi nation phase for up counting count by options and zero index polarity See Section 11 4 On the main board to set the serial communication signal RS232 or RS485 termination resistor for long cable runs analog output signal current or voltage and sensor excita tion output 5V 10V or 24V Default factory settings are RS232 no termination resistor and 10V excitation output Section 12 HOW TO OPEN amp CLOSE THE CASE The two clamshell halves of the case are h
21. 300 Vdc 12 30 Vac or 10 48 Vdc low voltage power option Power Isolation 250 Vrms between power analog output signal input and serial 1 0 Transmitter Setup selection of Signal Ranges amp Temperature Sensors Jumpers on signal conditioner board selection of Serial Format RS232 or RS485 amp Excitation Level Jumpers on main board Programming Via RS 232 from PC using Instrument Setup software and CBL04 cable Analog Output Output Da E ptm 4 20 mA 0 20 mA 0 10V 10V to 10V Compilance 20 10V 0 500 ohm load 2 mA 5 kohm minimum load Output 0 1 16 bits 65 536 steps Output Accuracy 0 05 of full span for DC inputs 0 196 for AC RMS inputs Output Update Rate 60 sec at 60 Hz power 50 sec at 50 Hz power UE RIDIO etienne Digitally programmable serial 1 0 standard DE AL dentist e anode ire nad 5232 or RS485 half or full duplex selectable ERG ERE Custom ASCII Modbus RTU or ASCII Serial Detachable screw terminal plugs Transducer Excitation Output standard AA 50 Vdc to meter ground selectable levels 5 Vd
22. Communication tab to view the communication parameters that you used to establish default communications with your transmitter You can reselect Baud Rate Device Address Serial Protocol and Full Half Duplex even though you may have selected different values to establish initial communications with your PC Press the F1 key for context sensitive help with any item 12 Input Display Relay Alarms Analog Out Analog Output Lo Range Reading Range Hi Range Reading 000000 20m Curreni 100000 Enter Decimal value 000000 EH Click on the Analog Out tab to scale your analog output which is standard Under Range select 0 20 mA Current 0 10V Voltage or 4 20 mA Enter your Lo Range Reading and Range Reading to create the two endpoints of your analog output range For example for the 4 20 mA range Lo Range Reading corresponds to 4 mA and Hi Range Reading corresponds to 20 mA ADDITIONAL FEATURES e The Commands pull down menu allows you to execute certain functions by using your computer mouse This menu will be grayed out unless a Gef Setup has been executed e The Readings pull down menu provides three formats to display input data on your PC monitor Use the Pause and Continue buttons to control the timing of data collection then press Printfor a hardcopy on your PC printer List presents the latest internal readings in a 20 row by 10 column table Press Pause at any time to free
23. D into the same directory that will contain your data files such as c curves Connect your transmitter to the PC and double click on curve exe which is an executable file Follow the steps on the computer screens which will prompt you and provide extensive help information Pressing R Enter returns to the main menu You will be given the choice of four data entry modes all of which are explained in detail 1 Text file entry mode 2 2 coordinate keyboard entry mode 3 2 coordinate file entry mode 4 Equation entry mode 43 17 MODBUS PROTOCOL TRANSMITTER COMMUNICATIONS 1 0 GENERAL The Modbus capability conforms to the Modbus over Serial Line Specification amp Implemen tation guide V1 0 Both the Modbus RTU and Modbus ASCII protocols are implemented This 5 page manual section presents key programmable Modbus features Our detailed Modbus manual can be downloaded from http www laurels com downloadfiles modbus pdf Modbus RTU Baud Rate 300 600 1200 2400 4800 9600 or 19200 Data Format 1 start bit 8 data bits 1 parity bit 1 stop bit 11 bits total None Odd Even if None then 2 Stop bits for 11 total Address 0 for broadcast 1 247 for individual meters Modbus ASCII Baud Rate 300 600 1200 2400 4800 9600 or 19200 Data Format 1 Start bit Data bits 1 Parity bit 1 Stop bit 10 bits total
24. F Sub Function CR Carriage Return NR Number of Registers EC Error Code LF Line Feed NB Number of bytes ASCII Checksum Modbus RTU Format gt 3 5 Byte Number _2 3 4 5 6 7 8 9 10 03 Request NoTx EN FC RA RA NR NR CL CH 03 Response NoTx MA FC 1007100 CL CH Request NoTx NR CL CH NoTx NB DD DD CL 05 Request NoTx WW CL 05 Response NoTx RA CL CH 08 Request Nolx MA FC SF SF WW WW CL 08 Response Nolx MA FC SF SF DD DD CL 10 Request NoTx FC RA RA NB DD DD CL 10 Response NoTx MA FC RA RA CL CH Exception NoTx MA FC EC CL CH Response 80 DD DD times NR Number of Registers 47 Modbus ASCII Format Number 03 Request REE ER EN RA NR NR LRC CR K 03 Response MA NB DD DD LRC CR LF 04 Request RA NR NR LRC CR LF 04 Response MA FC NB 100 DD LRC CR LF Request FC RA CR LF Response LRC CR LF 08 Request SF SF WWI WWILRC CR LF 08 Response FC SF SF DD DD LRC CR LF 10 Request MA FC RA RA NB DD DD LRC CR LF 10 Response MA
25. FC RA RA LRC CR LF Exception FC LRC CR LF Response 80 DD DD times NR Number of Registers 8 0 MESSAGE EXAMPLES All examples are for Transmitter Address 01 and No Parity Modbus RTU Modbus ASCII 4 gt 010 020 Addr gt 001 001 munications Response 010800010000B1CB 010800010000F6crlf Response None None oO ene Response 010404000009067 4 010404000009D61 8crlf 1 3 00 Response 01030400000 74 74 011000010002 1243 00 Response 01030400000 74 74 01030400000 74 7 Suggested as first message after power up If transmitter is Listen Only mode response is returned Example while reading 25 18 Decimal point is ignored 9 0 INTERNAL REGISTERS Please refer to the full Modbus Protocol Communications Manual which is downloadable from our website 48 18 CUSTOM ASCII PROTOCOL TRANSMITTER COMMUNICATIONS 1 0 SERIAL COMMUNICATION FORMAT MOUE Full Duplex Separate transmit and receive lines and Half Duplex RS485 only Baud Rate 300 600 1200 2400 4800 9600 19200 selectable with Instrument Setup software None Word length 8 data bits Stop 1 The Custom ASCII protocol is simpler than the Modbus protocol This 5 page manual section provides some of its key programmable features Our detailed Serial Communications manual be downloaded from http www laurels com downloadfiles
26. LT SERIES TRANSMITTERS PULSE INPUTS 4 20 MA OUTPUT amp RS232 RS485 I O USER MANUAL vA POWE AC P3 SS RELAY LO PCS EARTH GND P2 RS4BS RS232 BETA hic Pa duni p BRK GND OUTPUT Gro SND OUTPUT 4 ATX PS CONTROL INPUT 5 ARX RA WPT 2 B VAP DIGITAL GHD QUADRATURE ZA ex BIN PLT E INPUT 1 1 1 Laurel Electronics Inc 3162 6 Airway Aye Costa Masa CA Model LTB8OGQD Scaling Power 85 264Vac Tek 714 434 6135 714 434 3766 weew aurels cor GROUND Z VAP TAL EAC Serial 110112 206 A P amp DIFFERENTIAL SINGLE SITAE AYAPUT A Intertek 4006497 Ip 5 V C m O LLI Y lt v CN N E O E 2 O 5 gt lt gt lt Fax 714 434 3766 Website www laurels com Tel 714 434 6131 1 ORDERING GUIDE Configure a model number in this format LT60VF1 CBLO4 Transmitter Type LT Pulse input transmitter with 4 20 mA 0 20 mA 0 10V or 10V to 10V isolated analog output isolated RS232 or RS485 serial data output Modbus or Custom ASCII protocol two isolated solid state relays and isolated transducer excitation output Default jumpered for 10V excitation
27. NBOARD AJUMPER SETTINGS 38 To DUAL RELAY OPERATION scsctceicnccecsscavcydciecotesesceiscbvsigacessusgavavesloteieeyceec mseearesesteravisiotecse 39 t4 SIGNALE 41 15 TRANSMITTER CALIBRATION 42 16 CUSTOM CURVE 43 17 MODBUS PROTOCOL TRANSMITTER COMMUNICATIONS 44 18 CUSTOM ASCII PROTOCOL TRANSMITTER COMMUNICATIONS 49 19 SPECIFICATIONS LT SERIES PULSE INPUT TRANSMITTERS 54 CIBO 56 3 PRODUCT OVERVIEW This manual covers LT Series DIN rail transmitters with isolated analog and RS232 RS485 outputs dual relays and a pulse input signal conditioner A separate manual covers LTE Series DIN rail transmitters with isolated 4 20 mA output and Ethernet 1 0 dual relays and a pulse input signal conditioner LT Series transmitters duplicate the signal conditioning and signal processing features of their 1 8 DIN panel mounted counter timer counterparts for exceptional accuracy at high read rate A wide range of counter timer functions are accommodated by three signal conditioners e Dual channel pulse input signal conditioner for frequency rate total arithmetic combina tions of two channels stopwatch timer phase angle duty cycle Voltage to frequency signal conditi
28. None Odd Even if None then 2 Stop bits for 10 total Address 0 for broadcast 1 247 for individual meters 2 0 FRAMING Modbus RTU Message frames are separated by a silent interval of at least 3 5 character times If a silent interval of more than 1 5 character times occurs between two characters of the message frame the message frame is considered incomplete and is discarded Frame Check 16 bit CRC of the complete message excluding CRC characters Modbus ASCII The message begins immediately following a colon and ends just before a Carriage Return Line Feed CRLF All message characters are hexadecimal 0 9 A F ASCII coded The system allowable time interval between characters may be set to 1 3 5 or 10 seconds Frame Check 1 byte 2 hexadecimal characters LRC of the message excluding the initial colon and trailing LRC and CRLF characters 3 0 ELECTRICAL INTERFACE 5232 two wire half duplex RS485 or four wire full duplex RS485 signal levels are selectable via jumpers on the transmitter main board and a the connector Please see Section 13 The RS485 selection provides a jumper selection for insertion of a line termination resistor In case of a long line greater then 500 ft to the first device a termination resistor should be selected for the first device In case of a long line between the first and last devices a termination resistor should be selected for the first and last devices Never add terminatio
29. Sub command Number of Bytes of RAM or Words 2 Bytes of non volatile memory data being transferred 1 1 2 2 3 3 4 4 9 9 7 8 8 9 9 10 D E G H J K CHAR 5 6 see tables for the RAM MEMORY ADDRESSES and NONVOLATILE MEMORY ADDRESSES with their respective data definitions General Reading and Writing Ram Memory Data RAM memory data is read and written as a continuous string of bytes consisting of 2 hex characters 0 9 A F per byte Included in the command are the total number of bytes to be transferred and the most significant address in RAM of the continuous string of bytes The format 15 Read lower RAM data Write lower RAM data 1Fnaa lt data gt Read upper RAM data 1Rnaa Write upper RAM data 1 naa data where n is the number of bytes to be read or written is the most significant address RAM of the bytes to be read Or written lt data gt is n bytes of 2 hex characters per byte in order from the most to the least significant byte The number of bytes n consists of a single code character representing values from 1 to 30 as shown above under CHARACTER 4 The most significant address aa consists of 2 hex charac ters as shown below under RAM MEMORY ADDRESSES AND DATA DEFINITIONS General Reading and Writing Nonvolatile Memory Data Nonvolatile data is read and written as a continuous string of words consisting of 2 bytes or
30. ab check Extended an Extended main board is required Set Mode to Rate and Function to A B Set a relatively long Gate Time of 3 sec since the maximum Speedometer pulse rate is expected to be 2000 pulses hour at 20 km hour or 1 pulse every 1 8 sec Set Time Out to its maximum of 199 99 sec since pulse rates will be very low when the ship starts Click on Read to display Item 1 A B The red field will change to green Under Scaling tab set up Item 2 A Rate or fuel consumption sec to have a scale factor of 0 19508 liters sec This is pulses sec x 1 liter 5 126 pulses Set up Item 3 B Rate or rate of travel in km sec to have a scale factor 0 01 km sec This is pulses sec x 1 km 100 pulses Ignore Decimal Point since B Rate is not displayed Set Item 1 A Rate B Rate to Decimal Point 2222 22 and Resolution to 100 This changes the displayed units to centi liters sec The decimal point is not part of the arithmetic Under Analog Out tab set Source to Item 1 Range 0 10 Voltage Lo Range Reading to 0000 00 and Hi Range Reading to 0100 00 liters km 9 2 PERIOD MODES Inverse of frequency Native counts are microseconds so scale appropriately 9 3 TOTAL MODES Total A determines Total independently for Channel A Item 1 and Channel B Item 2 Either item can be selected for the analog output Total A Only determines Total only for Channel A Item 1 Channel B is not used Total Burst Extended
31. adding a programmable offset to the scaled total The output update rate is set by a Gate Time which Should be set to its minimum of 10 ms When the scaled total reaches a programmable Preset it is reset to Offset A zero index function can zero the counts when a pulse is applied to a zero index or Z channel Zero indexing uses the programmable Pulses per Rev which is the number of pulses between zero index marks times the edges per pulse 1 2 or 4 Since a wide zero index pulse could cause a discrepancy in the region between transitions the zero index pulse can be shaped by an AND combination with the A or B channels as set by jumpers Quadrature Rate Extended main board determines rate in engineering units by subtracting counterclockwise rate from clockwise rate Both rates can be scaled using Scale and Offset or the Coordinates of 2 Points method Rate is measured over a gate time which is programmable from 10 ms to 199 99 sec Since one of the two channels may not be measuring any pulses over the gate time a Time Out from 10 ms to 199 99 sec is also programmable The transmitter update rate will never be less than every Time Out 36 Example of rate feet sec from 1024 pulse revolution quadrature encoder Application Transmit rate in feet sec with 3 decimals using a 1024 pulse revolution quadrature encoder tied to a roller with 1 782 ft circumference Have 4 updates sec C BASIC Option Input Option EXTENDED Boar
32. alue FC05 Write Single Coil Action command to meter Output Output Address Value Action Command 00 01 FF 00 Transmitter Reset No Response 00 02 FF 00 Function Reset Peak Valley 00 03 FF 00 Latched Alarm Reset 00 04 FF 00 Peak Reset 00 05 FF 00 Valley Reset 00 0C FF 00 Tare Command Weight Transmitter 00 00 resets Tare _ 45 FC08 Diagnostics Checks communications between the Master and Slave and returns the count the Modbus slave counters which are reset when the meter is reset Hex Sub Data Response Function Description send Data Code 00 00 Same Returns Query Data N x 2 bytes Echo Request as sent 00 01 Restarts Communications If in the Listen Only mode no response occurs Takes Slave out of the Listen Only mode and one of the following FF 00 FF00 Clears communications event counters 00 00 0000 Does not clear communications event counters 00 04 00 00 None Forces Listen Only All addressed and broadcast Messages are monitored and counters are incremented but no action is taken or response sent Only Sub Function 00 01 causes removal of this Listen Only state 00 0A 00 00 0000 Clears all Modbus slave counters 00 OB 00 00 Total Returns total number of messages detected on the bus Message including those not addressed to this Slave Excludes bad Count LRC CRC parity error or length lt 3 00 0C 0000 Checksum Returns total number of messages with bad LRC Error
33. ate Function to A only Gate Time to 0 25 sec and Time Out to 2 sec Under Display set Type to Norml 999999 e Under Scaling tab set decimal point to 111111 If Scale Offset is selected as scaling method set Scale to 1 00000 Multiplier to 1 and Offset to 000000 If Coordinates is Selected as scaling method enter 0 for Lo In and 0 for High Read Also enter 100000 for High In and 100000 for High Read To minimize rounding errors do not enter small values for High In and High Read e Under Filter tab set Time Constant to 0 4 sec e Under Analog Out tab set Range to 0 10 Voltage Lo Range Reading to 000000 and Hi Range Reading to 025000 19 Example 2 Transmit rate as 0 100 00 for 10 kHz to 11 kHz input Application Transmit 0 00 to 100 00 with two decimal places for a 10 kHz to 11 kHz frequency input Set analog output to 4 20 mA for this range Signal Input Mode ti Gate Time Time Qut ses 002 00 sex Decimal Point 1 Trigger Slope A Scale 1 Multiplier 1 Offset 1 3 Low In 1 Low Read 1 High In 1 High Read 1 eee Solution Under Input Display tab and Signal Input set Mode to Rate Function to A only Gate Time to 0 1 sec Time Out to 2 sec and Display Type to Norml 999999 Native units will be Hz Under Scaling tab set Decimal Point to two places If Scale Offset is selected as scaling method set Scale to 1 00000 and Multipl
34. c 5 100 mA 10 Vdc 5 120 mA 24 Vdc 5 50 mA Dual Relay Output standard OLAV VDC Two solid state relays SPST normally open Form TEE 120 mA at 140 Vac or 180 Vdc DUAL CHANNEL SIGNAL CONDITIONER Baie peel E 29 PRU 2 ppm Stal cl CIID ese attese ratius 1 ppm degree C Long Term Drift of 5 signal Types AC NPN PNP transistor outputs contact closures magnetic pickups Max Pulse Rate 1 MHz on Channel A 250 kHz on Channel B Channel Isolation Channel A amp channel B share common ground Mecca E TOT 250 Hz or selectable SAEI D EI 15 mV to 2 2 Vp p selectable DEAE E NS Um 15 mV to 1 7 selectable DENOUNCE E 0 3 50 ms selectable V TO F PROCESS RECEIVER amp TOTALIZER SIGNAL CONDITIONER SION UE Q 1 mA 4 20 mA 0 10 V selectable Input Resistance 500 for 4 20 mA 1 00 for 0 1 mA 1 01 for 0 10V PC CURACY AE etin isto volete 0 02596 vM EST nd STR 0 00396 of reading C ZZ SE SOIN EUR 0 003 of full scale C QUADRATURE SIGNAL CONDITIONER Signal Type Differential or single ended quadrature Kantons
35. croseconds e Under Scaling tab set decimal point to 3 places Set Trigger Slope A to Positive and Trigger slope B to Negative If Scale Offset is selected as scaling method set Scale to 1 00000 and Multiplier 1 to read in units of 0 001 msec or native microseconds If Coordinates is selected as scaling method set High In to 010000 and High Read to 010 000 Or select a similar pair of numbers which reflect a slope of 1 Ignore Item 2 Grand Total Time e Under Analog Out tab set Range to 4 20mA Current Lo Range Reading to 000 000 and Hi Range Reading to 200 000 29 9 5 PHASE ANGLE Extended main board e Phase A to B 0 360 measures the phase difference between signals of the same period applied to Channels A and B over a span from 0 to 360 Select this span if no negative readings are expected e Phase A to B 180 measures the phase difference between signals of the same period applied to Channels A and B over a span from 180 to 180 Select this span if negative readings are expected Example of phase angle measurement with 0 01 resolution Application Measure phase difference to 0 01 between two AC signals centered around 0 Signal Input Mode Gate Time Time Out Phase ac B 180 7 Secs Secs Display Nm Power On Total Item 1 Zero Total ana Decimal Point 1 Trigger Slope A Trigger Slope B Custom Curve 1111 11 reside zl P
36. ds Quadrature Signal Input Mode Function Pulses per Rev Time Square Root Item 2 L2 Scale 1 Multiplier 1 Offset 1 eee m amp Scale Offset gt In 1 LC Read 1 Read 1 Item 3 12 Decimal Point 1 ENS a Scale 2 Multiplier 2 Offset 2 Scale Offset gt 52 7425 41 74023 je 000 000 Low In 2 Low Read 2 High In 2 High Read 2 Ji eros Solution e Under Input Display tab set Signal Input Mode to Quadrature Function to Rate Gate Time to 0 22 sec and Time Out to 1 00 sec Note that quadrature rate only works with Extended version Under Pulses per Rev press the F1 key for details on zero indexing e Under Scaling tab apply same scaling to clockwise CW and counterclockwise CCW rates which are subtracted for net rate Set decimal points to three places which requires the units to be in one thousands of a foot sec If Scale Offset scaling method is selected set Scale to 1 74023 one thousands of a foot per sec per pulse sec If Coordinates scaling method is selected set High to 1024 pulses sec and High Read to 1 782 ft sec Set Trigger Slope B to change count direction 12 MAIN BOARD JUMPER SETTINGS ede ebeam ecebeam gaebe edece Serial Signal Duplex Jumpers Termination Resistor E6 a Transmit Full None RS485 E6 c Receive The
37. e analog output type communication type and excitation level The transmitter configuration is specified by the model number on the transmitter label A user can reconfigure the transmitter by opening the case and moving jumpers Transmitter scaling is via serial connection to a PC using MS Windows based Instrument Setup ooftware which can be downloaded at no charge The required transmitter to PC interface cable is available for purchase 4 RECEIVING amp UNPACKING YOUR TRANSMITTER Your transmitter was carefully tested and inspected prior to shipment Should the transmitter be damaged in shipment notify the freight carrier immediately In the event the transmitter is not configured as ordered or is inoperable return it to the place of purchase for repair or replacement Please include a detailed description of the problem 5 SAFETY CONSIDERATIONS Warning Use of this transmitter a manner other than specified may impair the protection of the device and subject the user to a hazard Visually inspect the unit for signs of damage If the unit is damaged do not attempt to operate Cautions e This unit may be powered from 85 264 Vac or with the worldwide voltage power supply option or from 12 32 Vac or 10 48 Vdc with the low voltage power supply option Verify that the proper power option is installed for the power to be used e The 85 264 Vac power connector P1 Pins 1 3 is colored Green to differentiate it from other input
38. e same as for A to A except that positive or negative edges may be selected separately for Channels A and B This allows the pulse width measurement of single pulses by tying Channels A and B together One slope is selected to start timing and the opposite slope to stop timing Applicable to all timing application examples Connect your transmitter to a PC running Instrument Setup IS Software Establish commu nications To open a setup file for editing click on Get Setup under the Counter tab to retrieve the latest setup file from your transmitter or click on Open Setup under the File tab to retrieve a previously saved setup file from disk Relay Alarms and Analog Out respond to the units that are transmitted digitally While a decimal point can be specified and will be transmitted digitally it does not affect the number of units Native counts in timing modes are in microseconds Note that total modes can also be used for timing for example to count 50 or 60 Hz AC power line pulses Total modes have the advantage that they can retain counts in the event of power loss Following editing click on the Main Menu button Under the Counter tab click on Put Setup to download your setup file into your transmitter Under the File tab click on Save Setup As to save your setup to disk if desired 297 Example 1 Transmit machine run time with 0 00 hour resolution Application Track two machine run times in hours Channel A time will
39. edges of the signal with averaging over multiple integral periods over the selected Gate Time Native units are percent Example of duty cycle measurement with 0 01 resolution Application Measure on period of periodic laser pulses as of total period with 0 01 resolution over a time interval of 10 sec Output 0 100 to a 0 10V analog recorder Gate Time Time Out mom sexs 2000 secs Decimal Point 1 iege T i j Scale 1 Multiplier 1 7 Offset 1 TI GNE 1 00000 0000 00 P Low In 1 Low Read 1 High In 1 High Read 1 Analog Output Source Lo Range Reading Solution e Under Input Display select Extended an extended transmitter is required for duty cycle oet Mode to Duty Cycle Function will automatically be shown as to B A Set Gate Time to 010 00 Secs e Under Scaling tab set decimal point to 2 places Set Trigger Slopes as needed If Scale Offset is selected as scaling method set Scale to 1 00000 and Multiplier to 100 This will change units from 1 to 0 01 Decimal Point selection does not affect counts If Coor dinates is selected as scaling method set High In to 0100 00 hundredths of a percent and the desired High Read to 0100 00 220 10 V TO F CONVERTER SIGNAL CONDITIONER BOARD The process receiver signal conditioner board converts 0 1 mA 4 20 mA or 0 10 V analog process signals to a freq
40. eld together with a bolt and a nut at each of the four corners Use a Phillips screwdriver to remove the four bolts The nut will then drop off and the clamshell halves will separate When closing the case make sure that the ventilation grills are properly aligned Caution The nuts at each corner are not captive and are black Take precautions so that the nuts do not get lost 15 9 DUAL CHANNEL PULSE SIGNAL CONDITIONER BOARD The same signal conditioner board is used for the frequency rate period timing phase angle or duty cycle functions The board needs to be configured via jumpers for the input signal type and level It is recognized by Instrument Setup software which will bring up the applicable menu items for the Input Option Dual Sig Cond The board does not require calibration since the quartz crystal oscillator used for frequency and timing applications is located on the transmitter main board 4 Channel Jumper Settings for Expected Signal Levels The jumper settings for Channel A2 amp and Channel B2 amp B3 need to be set for the expected signal voltage This voltage must be outside of the high and low thresholds per the following table or the transmitter will not operate properly The larger the difference between the high and low thresholds the more immune the transmitter is to input signal noise 12 mV 12 mV 30 mV 60 mV 60 mV 30 mV 150 mV
41. gative phase angles and power factor is set to 0 for phase angles greater than 90 Example of power factor measurement to 0 001 resolution Application Measure power factor with 0 001 resolution for two sinusoidal AC signals centered around 0 Signal Input Mode Function Gate Time Time Out Display Type Display tient No Power On Total Normal Item 1 Zero Total Decimal Point 1 Trigger Slope Trigger Slope B Custom Curve E 111 111 I restare Multiplier 1 7 OTiserl Read 0 In at 7 EERE J 000 000 Solution As for phase angle jumper signal conditioner for maximum sensitivity to catch zero voltage crossings and minimize effects of amplitude jitter Apply one AC signal to Channel A and one to Channel B e Under Input Display tab select Extended an extended main board is required Set Mode to Phase Function to A to B 4 180 and Gate time 0 25 sec if four transmittals per second are desired e Under Scaling tab set decimal point to 3 places Make both trigger slopes the same Set Custom Curve to Power Factor A Multiplier is not needed with power factor 31 9 7 DUTY CYCLE Extended main board Duty Cycle A to B A measures On or Off period as a percentage of total period over a Gate Time which is selectable up to 199 99 s The same signal is applied to Channels A and B Time is measured between positive and negative
42. hannels Application Digitally transmit total volume in gallons to two decimal places from two pipes dispensing liquids into the same tank Flow meter A is calibrated to 36 67 pulses gallon flow meter B to 58 12 pulses gallon Assign the transmitter s analog output to total volume Gate Time Line Out 002 00 Item 2 L2 6 Ir Scale Offset gt Low In 1 Lew Read 1 High In 1 High Read 1 Coordinates gt 4000000 000000 0036 67 0001 00 Item 3 12 Decimal Point 1 Trigger Slope B 1111 11 Positive Scale 2 Multiplier 2 Offset 2 a Low In 2 Low Read 2 High In 2 High Read 2 commie Solution Under Input Display tab check Extended an Extended main board is required for Total set Mode to Total and Function to A B A Total B Total will be Item 1 A Total will be ltem 2 and B Total will be Item 3 Set Gate Time to 0 sec to maximize the update rate Set Power On Total to Restore Total to retain total in event of power loss Under Scaling tab set both decimal points to two places If Scale Offset is selected as scaling method set Scale 1 to 2 72702 for A Total and Scale 2 to 1 7205 7 for Total Set both Multipliers to 1 so that the product of Scale and Multiplier produces the inverse of K factor expressed in hundredths of a gallon pulse If Coordinates is se
43. have two decimals will be per job for billing purposes and will be reset at end of each job Channel B time will have no decimals will be total accumulated hours for machine maintenance purposes and will be reset following maintenance Turn on a warning light after 1000 hours of run time Decimal Point 1 Trigger Slope A ill sitive zl Disablec m Root 1111 11 Positive Scale 1 Multiplier 1 Offset 1 Scale Offset gt 0 46296 e x J 0000 00 0000 00 000000 Low In 1 Low Read 1 High In 1 High Read 1 Coordinates gt 000000 0000 00 216000 00 40001 00 Positive gt Scale 2 Offset 2 0 46296 000000 Low In 2 Low Read Z High In 2 High Read 2 eene Solution e Apply 60 Hz power cycles to channels A and B and measure time by counting pulses using the totalizer mode which can restore total following loss of power There will be 216 000 pulses hour or 0 0000046296 hours pulse e Under Input Display tab set Mode to Total Function to A B and Gate Time to 0 sec Set Power On Total to Restore Total to retain total in event of power loss e Under Scaling tab for Channel A set decimal point to 2 places If Scale Offset is selected set Scale to 0 46296 and Multiplier to 0 001 for time in hundredths of an hour 60 Hz pulse If Coordinates i
44. i guration 49 Values transmitted in a continuous string with no intervening spaces If the 5th digit in 1 set to 1 using Instrument Setup software the termination characters of CR and optional lt LF gt appear after each value If the 5th digit is et to 0 the termination characters appear only once at the end of the string In either case if included the coded character appears at the end of the last value only 3 0 NETWORK CONFIGURATIONS Using the Custom ASCII protocol TM Series transmitters can operate in a point to point mode using RS232 or RS485 or in a multi point mode using RS485 The point to point mode is a direct connection between a computer or other digital device and the transmitter An device address can be selected however it is suggested that address 1 be selected as a standard for the point to point mode The multi point mode is a connection from a host computer to a multiplicity of transmitters bused together with their inputs and outputs connected in parallel For long cable runs the last device should have a termination resistor installed It is necessary to set up each device onthe bus with a different address from 1 to 31 To command a particular device its address is used in conjunction with the command and only that device responds The outputs of all of the devices on the bus are set to a high impedance state except the device being addressed The device addresses range from 1 to 31 w
45. ier to 10 Product of Scale and Multiplier will ensure that 1000 Hz are displayed as 10 000 counts decimal point has no effect on counts Also enter an Offset of 100 000 counts previously selected decimal point will be displayed but has no effect on counts If Coordinates is selected as scaling method by far the easiest scaling method for this example simply enter endpoints as shown Under the Analog Out tab set Range to 4 20mA Current Lo Range Reading to 0000 00 and Hi Range Reading to 0100 00 20 Example 3 Transmit rate in GPM from 36 67 pulse gallon turbine flow meter Application Transmit rate in gallons per minute with three decimal places from a turbine flow meter with a K factor of 36 67 pulses per gallon Set analog output to 4 mA at 0 GPM and 20 mA at 30 GPM Gate Time Time Out A Rate r Decimal Point 1 Trigger Slope Scale 1 Multiplier 1 Offset 1 see Low In 1 Low Read 1 High In 1 High Read 1 cc Jl ec el ec Analog Output Source Lo Range Reading frem Solution e Under Input Display tab and Signal Input set Mode to Rate Function to A only Gate Time to 0 3 sec and Time Out to 2 sec Under Display set Type to Norml 999999 Native units will be pulses sec Hz e Under Scaling tab set Decimal Point tab to 111 111 If Scale Offset is selected as scaling method set Scale to 1 63621 with a multiplier of 1000 The scale of 1 63621 is the
46. inverse of K factor namely 0 027270 gallons per pulse multiplied by 60 to go from the trans mitter s native rate per second to rate per minute The multiplier of 1000 changes the units of volume from gallons to milligallons as required for three decimal places If Coordinates is selected as scaling method enter 0 for Low In and Low Read Enter 36670 milli gallons sec for High In and 060 000 for High Read 60 000 GPM Note that Low In and High In are in converted units after the Multiplier of 1000 to go from gallons to milligallons e Under Analog Out tab set Range to 4 20mA Current Lo Range Reading to 000 000 and Hi Range Reading to 030 000 both in GPM 5241 Example 4 Transmit rate of fuel consumptions liters km and drive 0 10V meter Application Transmit a ship s rate of fuel consumption to two decimal places in liters km and display fuel consumption from 0 100 liters km on a 0 10V analog meter Fuel flow is measured using a turbine flow meter with a K factor of 5 126 pulses liter Speed is measured using a 100 pulses km speedometer Mode Function Gate Time Time Out 003 00 Sees 199 99 Sees Item 2 12 Scale 1 Multiplier 1 Offset 1 Iri some TE s m m Scale Offset gt Dow lin 1 Low Read 1 High in 1 High Read 1 Coordinates gt aaa 0000 00 036670 0600 00 Trigger Slope Positive 0100 00 Solution Under Input Display t
47. ith 0 being a special address to which a meter responds only internally e g Reset but does not transmit any response on the output lines All devices may be commanded simultaneously with a 0 address and there will not be any output response contention Addressing of transmitters can be set with Instrument Setup software 4 0 COMMAND MODE OVERVIEW Using the Custom ASCII protocol TM Series transmitters operate in the Command Mode only In this mode the device does not send data automatically but responds to commands received from a host computer These commands can be e lotransmit the latest or peak measurement e the meter completely or just the peak value and or latched alarms e display a value sent from the computer e transmit present setup parameters e new setup parameters e monitor or alter data in selected memory locations of the meter 5 0 COMMAND MODE FORMAT CHAR 1 Command Identifier All commands begin with followed by the meter address then a command letter followed by a sub command number or letter Additional characters may be append ed All commands terminate with CR lt LF gt ignored Command Identifier Recognition Character Device Address 0 addresses all devices 1 V specific devices Command Function oub command Number of Bytes of RAM or Words 2 Bytes of non volatile memory data being transferred CHAR 2 Add
48. itter signal conditioner boards can be interchanged without recalibration iol xi CALIBRATION PROCEDURE This procedure requires a known accurate input frequency to be applied to the Counter with a Dual Channel Signal Conditioner in the Rate mode Apply the frequency now and continue with this procedure when the reading has settled Enter the known accurate input frequency m Hertz no commas Calibration of the quartz crystal is easily accomplished using Instrument Setup software Select Calibration from the Main Menu Apply a frequency reference signal and enter the known frequency in Hz Calibration of the V to F signal conditioner requires use of voltage reference signals and the calibration program vical3 exe which is available for free download 42 16 CUSTOM CURVE LINEARIZATION Curve exe is a DOS based executable PC program used to set up an Extended transmitter so that the analog output and internal digital readings have a user defined non linear relationship with the input signal The calculated linearizing parameters are downloaded into non volatile memory of the transmitter The curve fitting algorithm uses quadratic segments of varying length and curvature and includes diagnostics to estimate curve fitting errors The program 15 self prompting avoiding the need for detailed printed instructions This manual section is only intended as an introduction GETTING STARTED Download curve exe from the distribution C
49. lected as the scaling method enter High In and High Read as shown to indicate that 36 67 pulses should read 1 00 gallon for Channel A and that 58 12 pulses should read 1 00 gallon for Channel B Under Analog Out tab set Source to Item 1 A Total B Total 26 9 4 TIMING MODES e Time Interval A to B determines the time between periodic inputs on Channels A and B Timing starts when a pulse is applied to Channel A positive edge if slope A is 0 negative edge if slope A is 1 and ends when a pulse is applied to Channel B positive edge if slope B is 0 negative edge if slope B is 1 Pulse width may be measured by tying inputs A and together and selecting a positive or negative edge to start Slope A and the opposite polarity edge to stop Slope B If multiple start and stop pulses occur during the Gate Time the displayed value is the average of pulse widths The value is updated at the end of each Gate Time With a scale factor of 1 one count is one microsecond e Stopwatch A to A times individual events applied to Channel A Item 1 and the accumulated Grand Total Time of all events since last reset Item 2 Timing is based on the same positive or negative edge of start and stop pulses Time of individual events is reset to 0 when a new start pulse occurs Time of accumulated events 15 reset a reset line e Stopwatch A to B measures time between a start pulse on Channel and a stop pulse on Channel B Timing is th
50. mples Connect your transmitter to a PC running Instrument Setup IS Software Establish commu nications To open a setup file for editing click on Get Setup under the Counter tab to retrieve the latest setup file from your transmitter or click on Open Setup under the File tab to retrieve a previously saved setup file from disk Relay Alarms and Analog Out respond to the units that are transmitted digitally While a decimal point can be specified and will be transmitted digitally it does not affect the number of units If Scale Offset is used as the scaling method and liquid volume is to be transmitted in L with three decimal places first change the units to mL then set the decimal point Following editing click on the Main Menu button Under the Counter tab click on Put Setup to download your setup file into your transmitter Under the File tab click on Save Setup As to save your setup to disk if desired 593 Example 1 Transmit volume in gallons from 36 67 pulse gallon flow meter Application Digitally transmit volume in gallons with two decimal places from a flow meter with a K factor of 36 67 pulses gallon Also transmit 4 20 mA corresponding to 0 50 gallons Gate Time Line Out Secs 1002 00 Scale 1 Multiplier 1 Offset 1 Low 1 Low Read 1 High In 1 High Read 1 fe ec Analog Output Source Lo Range Reading Range 7 20mA Current Solution
51. n resistors to more than two devices on the same line 44 4 0 COMMUNICATIONS SETUP Parameters selectable via downloaded Instrument Setup software Serial Protocol Custom ASCII Modbus Modbus ASCII Modbus ASCII Timeout 1 sec 3 sec 5 sec 10 sec Baud 300 600 1200 2400 4800 9600 19200 RTI No parity odd parity even parity Device Address 0 to 247 9 0 SUPPORTED FUNCTION CODES TM TRANSMITTERS W ANALOG INPUT FC03 Read Holding Registers Reads internal registers containing setup parameters Scale Offset Setpoints etc FC10 Write Multiple Registers FC10 16 dec Writes internal registers containing setup parameters Scale Offset Setpoints etc FC04 Read Input Registers Reads measurement values and alarm status Returns values in 2 s Complement Binary Hex format without a decimal point The displayed system decimal point can be read with at address 0057 Use only odd Register Addresses and an even number of Registers Register Address TM Transmitter Response 00 01 Returns Hi word of Alarm status 00 02 Returns Lo word of Alarm status 00 03 Returns Hi word of Measurement value 00 04 Returns Lo word of Measurement value 00 05 Returns Hi word of Peak value 00 06 Returns Lo word of Peak value 00 07 Returns Hi word of Valley value 00 08 Returns Lo word of Valley v
52. n setup tab Click on Establish and the two fields at the bottom of the screen should turn green Click on the Main Menu button From the Main Menu click on Counter gt Get Setup to retrieve or get the existing setup data from your counter transmitter Click on View gt Setup to bring up screens which allow you to easily edit the setup file using pull down menus and other selection tools You can download or put your edited file into the transmitter by clicking on Counter gt Put Setup You can save your setup file to disk by clicking on File gt Save Setup and retrieve a previously saved file from disk by click on File gt Open The best way to learn IS software is to experiment with it For context sensitive help for any data entry field under any tab select that field and press the F1 key Input Display Relay Alarms Communication Analog Out Time Out 003 00 ses Control Inputs Control Input 1 Control Input 2 Both Ctrl 1 2 Meter Reset Func Reset Meter Reset T Heter Reset Func Reset Meter Reset Meter Reset Meter Hold Meter Reset Meter Reset Peak or Valley Meter Reset Meter Reset External Gate Meter Reset Valley Only Peak Only Function Reset Function Reset External Gate Meter Reset Meter Hold Peak or Valley Function Reset To get to the Input Display tab click on Counter gt Get Setup to retrieve the current setup information from your counter transmitter then on View gt Setup which will take you to
53. nal may be applied to a Z Channel as a position reference For more detailed information please see our Counter Manual which has a 16 page section on quadrature and zero indexing With differential quadrature inputs and an external supply connect ground of the external supply to Pin 3 of P5 see page 6 JUMPER SETTINGS Input Type oingle ended with excitation and zero index Differential with excitation and no zero index Differential with external supply and no zero index Differential with external supply and zero index Input Termination for differential inputs only Iss For long cable runs For short cable runs none none none 35 Phase for Up Count A positive negative B transition A leads B A positive positive B transition B leads A Count by Options X1 positive edge of A input X2 positive amp negative edges of A input X4 positive amp negative edges of A amp B inputs Zero Index ANDing Zero Index no ANDing Zero Index AND A Zero Index AND B Zero Index AND A Zero Index AND B Zero Index AND A AND B Zero Index AND A AND B Zero Index AND A AND B Zero Index AND A AND B O OC fF CD OPERATING MODES e Quadrature Total Basic or Extended main board determines position in engineering units by subtracting counterclockwise transitions from clockwise transitions as determined by the Signal phase relationship applying a programmable scale factor to the total and
54. oint will be referenced to that reading not to the raw pulse rate sent from a turbine flow meter O O 14 i O D C C Active High On Off setooint control Active Low On Off setooint control with deviation 0 with deviation 0 39 Deviation A positive number that can be added or subtracted from the setpoint depending on the Deviation Type to determine when an alarm becomes Active or Inactive Alarm Source Depending on the Signal Input Mode and Function selected under the Input Display tab the alarm can be assigned to any of up to three Items for example to Item 1 A rate rate Item 2 A rate or Item rate Alarm State If Active High is selected the Active Alarm State is defined as being above the setpoint If Active Low is selected the Active Alarm State is defined as being below the setpoint If Disabled is selected the Alarm State is always inactive Relay State A setting with ties the Relay State to the Alarm State If Active On is selected the relay will be closed when the Alarm State is 1 If Active Off is selected the relay will be open when the Alarm State is 1 Deviation Type Three choices are offered Split Hysteresis Span Hysteresis and Band Deviation These define how Setpoint and Deviation are to be combined to set Alarm State Heater OFF OFF OFF ON Setpoint 1000 Setpoint 1000 Deviation 50 Deviation
55. oner for rate or total from 4 20 mA 0 1 mA 0 10 process signals e Quadrature signal conditioner for position or rate from quadrature encoder signals e A 4 20 mA 0 20 mA 0 10V 10V to 10V isolated analog output is standard This output is generated by an ultra linear 16 bit digital to analog converter which tracks internal linearized digital reading Isolated serial communications are standard The transmitter serial port is default jumpered for 5232 or full duplex RS485 same jumper settings Half duplex 5485 is also selectable either via internal or external jumpers Three serial protocols are software selectable Modbus RIU Modbus ASCII and Custom ASCII Modbus allows devices by different manufacturers to be addressed on the same data line The simpler Custom ASCII protocol is recommended when there are no devices by other manufacturers on the data line An isolated transducer excitation output is standard Three output levels are jumper selectable 5V at 100 10V at 120 mA or 24V at 50 mA The factory default setting is 10V Isolated dual solid state relays are standard These are rated 120 mA at 140 Vac or 180 Vdc Isolation to 250V rms is provided for power signal input analog output relay outputs and com munications Isolation adds safety and avoids possible ground loops The transducer excitation output is isolated to 50V from signal ground Internal jumpers are used to select the signal rang
56. ositive IEEE Jl Scale 1 Multiplier 1 Offset 1 Read Low In 1 Low Read 1 High In 1 High Read 1 cerise gt Solution e Jumper the signal conditioner for maximum sensitivity to catch zero voltage crossings and minimize effects of amplitude jitter Apply one AC signal to Channel A and one to Channel B e Under Input Display tab select Extended an extended main board is required for phase set Mode to Phase Function to A to B 180 and Gate time 1 sec if one transmittal per second Is desired Native units will be degrees e Under Scaling tab set decimal point to 2 places Make both trigger slopes the same If Scale Offset is selected as scaling method set Scale to 1 00000 and Multiplier to 100 to change units to hundredths of degrees If Coordinates is selected as scaling method enter 0100 00 for High and 0100 00 for High Read or to a similar pair of numbers which reflect a slope of 1 30 9 6 POWER FACTOR Extended main board 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 power factor is calculated from phase angle 0 as cos 0 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 While power factor is always positive a minus sign is artificially assigned for ne
57. pts diffe rential or single ended inputs 1x 2x or 4x plus zero index Extended main board Above plus bidirectional rate rate and position or length are not simultaneous ACCESSORIES CBLOA RS232 cable 3 pin connector on transmitter end DB9 connector on computer end CBLO USB to DB9 adapter cable 2 TABLE OF CONTENTS 1 ORDERING G DIT Co 2 2 Ius 3 3 PRODUCT OVER VIEW n e 4 4 RECEIVING amp UNPACKING YOUR TRANSMITTER D SAFETY CONSIDERATIONS 5 TRANSMITTER FELD WIRING sci ftat iiu eite e 6 ri PROGRAMMING YOUR seen 8 8 OPENING YOUR TRANSMITTER CASE 15 9 DUAL CHANNEL PULSE OR INPUT SIGNAL CONDITIONER BOARD 16 9 1 Rate amp Frequency 18 92 FOnodiModoS RET 22 SEEN FO Mmm 23 SE EE SUE RE 27 Ae RE RTC 30 SE RR 31 32 10 SIGNAL CONDITIONER BOARD 33 11 QUADRATURE SIGNAL CONDITIONER BOARD 35 17 MAI
58. ress Codes A Serial Communications Address Code from 1 to V follows the to indicate the device address number from 1 to 31 Address Code Address Code Address Device Code Device Device 1 2 3 4 9 7 8 9 CHARS 3 amp 4 Commands and Subcommands The examples below use a default address of 1 following the Substitute the desired address from the above table of Serial Comm Address Codes All command sequences shown must terminate with lt CR gt followed by an optional lt LF gt Request DPM Values Get reading 1B1 Peak reading 1B2 Valley reading 1B3 The meter transmits the value or values selected with Instrument Setup software Reset Functions DPM Transmitter Cold reset 1C0 Reads NVMEM into RAM locations after is zeroed Latched alarms reset 1C2 54 Peak value reset 1C3 Remote display reset 104 Valley reset 109 Tare function Tare reset 1CB 6 0 READING AND WRITING TO RAM AND NONVOLATILE MEMORY CHAR 1 2 The Recognition character and Meter Address Code are the same as shown in previous table CHAR 3 Command character Read bytes from RAM Memory Write bytes to RAM Memory DPM and Scale meter only Read bytes from Upper RAM Memory Write bytes to Upper RAM Memory Read words from Non Volatile Memory Write words to Non Volatile Memory 4 Command character
59. s selected enter 216000 pulses for 100 hundredths of an hour e Under Scaling tab for Channel B set decimal point to 0 places If Scale Offset is selected set Scale to 0 46296 and Multiplier to 0 00001 for time in hours per 60 Hz pulse If Coordinates is selected enter 216000 pulses for 1 hour 28 Example 2 Transmit relay closing time in msec with 0 001 msec resolution Application Transmit closing time of a relay in msec with 0 001 msec resolution using stop watch mode Also transmit relay closing time from 0 to 200 msec as a 4 20 mA signal Signal Input Mode ti Gate Time Line Out Secs 199 99 Power On Total Zero Total Stomatch Decimal Point 1 Trigger Slope A eon 111 111 Positive Scale 1 Multiplier 1 Offset 1 1 Low In 1 Low Read 1 High In 1 High Read 1 cerise 200000 000 000 T Analog Output Source Lo Range Reading Solution e As shown under Common Jumper Settings page 17 set Channel A to Logic levels and Channel B to NPN open collector e Use Channel A to sense a positive voltage applied to relay coil Wire Channel B across relay contacts Upon contact closure Channel B pull up voltage will drop from 5V to OV e Under Input Display tab set Mode to Stopwatch Function to A to and Gate time to 0 sec Set Display Type to Norml 999999 Native counts will be mi
60. termination resistor jumper settings should only be selected if the transmitter is the last device on an RS485 line longer than 200 feet 60 m Or connect external BTX and ATX to ARX same effect as internal jumpers To reset communications to 9600 baud command mode Custom ASCII protocol and Address 1 place a jumper at E1 and power up the transmitter Analog Output J4Pins Jumpers Excitation Output Jumpers 5V 100 mA E3 a c E4 a Current 4 20 mA 1 Lo 2 Hi Voltage 0 10V 1 Lo 2 Hi Voltage 10V to 3Lo 2Hi Jumper settings are for CTR main board Rev J 10V 120 mA EA 24V 50 mA E3 b E4 none Attempting to draw more than the rated excitation output current will shut down the output 38 13 DUAL RELAY OPERATION Dual AC DC solid state relays rated 120 mA are standard for alarm or setpoint control and are independently set up via the Relay Alarms tab of Instrument Setup Software For online help with any data entry field press the F1 key Sripsint 1 cuin 1 2 0100 00 4929 09 020 000 Deviation 1 Deviation 2 0000 00 000 000 Alarms 1 2 No Rdgs to Alarm 4 Readings v Setpoint The number to which the current reading is compared if deviation is set to zero The reading is the count in engineering units that is transmitted digitally and is also used for analog output For example if the transmitted reading is in gallons minute the setp
61. to 1 17225 which is 18 756 GPM 16 000 mA and set Offset 1 to 4 689 GPM so that 4 mA will read 0 GPM If Coordinates is selected as scaling method simply enter Low In Low Read High In High Read as shown Under Scaling tab for A Total the time integration interval 1 sec Enter 0 3126 Scale 2 which is rate in gallons sec and 0000 00 for Offset 2 in gallons if you want the starting volume to be 0 gallons since last reset Signal Input Mode VF 4 20 mA Display Normal Expnt VF 4 20 A Rate Decimal Point 1 Trgsermlope T 111 111 Disable Scale 1 Multiplier 1 Offset 1 s 1 17225 004 689 00 0000 Low In 1 Low Read 1 High In 1 High Read 1 04 0000 060 006 000 000 26 066 20 0000 018 756 Scale 2 Multiplier 2 Offset 2 Sale Ott gt ms Teee Low ln 2 Low Read 2 High 2 O Coordinates gt 00 0000 0000 00 01 0000 40100 00 34 11 QUADRATURE SIGNAL CONDITIONER BOARD Quadrature Channel A Quadrature Channel B Zero Index Channel Zero Index Channel ANDed with and B The quadrature signal conditioner be used for position Basic or Extended main board or for position or rate Extended main board Two quadrature signals which are 90 out of phase are applied to Channel A and B inputs Their phase relationship determines whether the count is clockwise or counterclockwise A zero index sig
62. trolled by the period A Time Out from 0 to 199 99 sec is also Selectable This is the time the transmitter waits for a signal to start or end a conversion If the Signal is not received before the Time Out ends the transmitter reads zero The longer the Time Out the lower the minimum frequency that can be processed Rate in engineering units can be obtained by applying a scale factor to frequency or by using the Coordinates of 2 Points method where two inputs in Hz and the corresponding desired two internal readings are entered directly e Rate A B determines rate independently for Channel A Item 1 and Channel B Item 2 Either item can be selected for the analog output e Rate A Only determines rate only for Channel A Channel B is not used e Rate A A Total Extended main board determines Rate for Channel A Item 1 and Total for Channel A Item 2 since last reset Total can count down from an offset by entering a negative scale factor e Rates A B A B AxB A B A B 1 Extended main board can output arithmetic combi nations of Rates and B Item 1 Rate A Item 2 or Rate B Item 3 With rates A and B scaled to produce a ratio close to 1 and an offset of 1 the special combination A B 1 called Draw can output percentage changes such as elongation of material as it passes between rollers Applicable to all rate amp frequency application examples Connect your transmitter to a PC running Instrument Se
63. tup IS Software Establish commu nications To open a setup file for editing click on Get Setup under the Counter tab to retrieve the latest setup file from your transmitter or click on Open Setup under the File tab to retrieve a previously saved setup file from disk Relay Alarms and Analog Out respond to the counts that are transmitted digitally While a decimal point can be specified and will be transmitted digitally it does not affect counts except for power factor For example the same 58134 count frequency can be transmitted as 58134 Hz or 58 134 kHz Following editing click on the Main Menu button Under the Counter tab click on Put Setup to download your setup file into your transmitter Under the File tab click on Save Setup As to save your setup to disk if desired 18 Example 1 Transmit frequency in Hz with 1 Hz resolution Application Transmit digital frequency readings f from 1 Hz to 999999 Hz with no decimal point update rate of 4 sec and adaptive moving average filter for 0 4 sec Set analog output to OV at 0 Hz and 10V at 25 kHz Signal Input Mode ses 0200 Display Nm Item 1 Decimal Point 1 Trigger Slope A Custom Curve Scale Multiplier 1 Offset 1 Hom Low In 1 Low Read 1 High In 1 High Read 1 200000 Analog Output Source Lo Range Reading Solution e Under Input Display tab and Signal Input set Mode to A R
64. uency signal which is then processed mathematically by the counter main board to produce an internal reading of rate total time x rate or 1 rate time based on rate Square root extraction is selectable in software For example with this capability the transmitter can output a serial signal or a 4 20 mA process signal which tracks flow rate or totalized flow volume from a differential pressure flow transducer The board needs to be configured via jumpers for the input signal type It is recognized by Instrument Setup software which will bring up the applicable menu items for the V F Converter input option JUMPER SETTINGS Input Range Jumper Position A1 None OPERATING MODES e A Only Rate A Basic counter accepts 0 1 mA 4 20 mA or 0 10 V analog process signals to calculate an internal rate reading which is then converted to rate Scaling can be done by entering Scale and Offset or using the Coordinates of 2 Points method 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 selectable for noise reduction Square root extraction is selectable for use with differential pressure flow transducers Custom curve linearization is available with the Extended main board e A A Total Rate A Total A Basic Counter allows rate to be determined as Item 1 and total as
65. vidual readings and the filtered reading exceeds a Threshold The accumulated difference is also reset to zero when the latest reading has a different polarity than the filtered reading With Conventional filtering the adaptive feature is disabled and the Time Constant does not change e hreshold allows selection of Low Adaptive or High Adaptive for the Adaptive filter selection Normally select Low Select High if the signal has large spurious transients which should not be considered as an actual change in signal e Peak Valley Filter allows the peak maximum or valley minimum functions to be based on Unfiltered or Filtered readings Normally select Unfiltered Select Filtered if you expect spurious readings which you do not wish to capture 41 15 TRANSMITTER CALIBRATION All ranges of our transmitters have been digitally calibrated at the factory prior to shipment using computers and calibration equipment certified to NIST standards If recalibration is required your transmitter may be returned to the factory or to an authorized distributor The counter main board contains an EEPROM which stores calibration constants for the quartz crystal oscillator and the analog output The V to F converter signal conditioner board stores its own stores its own voltage to frequency calibration constants EEPROM The dual channel pulse input signal conditioner and quadrature signal conditioner boards do not require calibration As result transm
66. ze the display Press Printfor a hardcopy Plot generates a plot of internal readings vs time in seconds It effectively turns the transmitter PC combination into a printing digital oscilloscope Graph generates a histogram where the horizontal axis is the internal reading and the vertical axis is the number of occurrences of readings The display continually resizes itself as the number of readings increases e he Jumpers pull down menu graphically shows jumper positions for the selected signal conditioner boards and the main board duplicating information in this manual 13 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 xiii 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 _ 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 E L 1 1 1 1 1 1 1 1 1 1 1 1 1 1 i ae 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 E MED L 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 LE 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ose en eo z D D D LESE lt 4 rs Ge wae ye eee ie LEG 1 1 c ERN MODUM a TEENS 1 1 1 Lr 2025 2800

Manual - Laurel Electronics, Inc.

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