Field Logger
Contents
1. Relay 2 function the relay becomes unavailable to the alarms even if an alarm was configured to use the relay Returning the relay to the Alarm function all previous alarm configurations will work again The odd channels 1 3 5 and 7 can be configured as differential as mentioned in section Analogue Inputs When a channel is configured as differential the adjacent channel is also used therefore the respective even channel 2 4 6 or 8 is disabled in the configuration screen 7 3 Acquisitions Page This page contains the parameters needed for recording data in the Field Logger internal memory These parameters are Start Logging time Stop Logging time Base Interval Between Loggings Interval Multipliers for the channels set individually for each channel When a new logging configuration is transmitted the current PC time and date is updated in the Field Logger Note Make sure the date and time in the PC is correct before sending a new configuration The Field Logger is meant for measuring process variables prioritizing accuracy and resolution over speed The update rate for the input channels depends on the number of active channels and on the sensor type configured in each channel It takes 50ms for an input to be converted measured Other internal measurements are needed for improving accuracy offset suppression and gain calibration Besides cold junction compensation for thermocouples and cable le2. it will wrap around overwriting old data circular memory e Remote start end after a programmed number of base intervals The logging is initiated as in the mode above and goes on until a defined number of base intervals is reached The logging can be stopped by a serial command or when the memory runs out of space e Remote start end at a defined date and time The logging is initiated by a serial command whereas the end is programmed to occur at a programmed date and time The data logging can be interrupted by a serial command or when the end of memory is reached e Start and end of loggings at programmed date and time A start date and time as well as the end date and time have to be configured in the Field Logger A remote serial command or a full memory can interrupt stop the logging e Start at a determined date and time end after a specified number of base intervals Set the start date and time and the number of base intervals required Again a remote serial command or memory full can interrupt the logging e Start commanded by the digital input In this mode the logging is performed while the digital input is active A new segment of data is initiated every time the digital input is driven A time stamp is recorded into memory 8 bytes of data preceding each segment The data logging is interrupted by a serial command or when the end of memory is reached Field Logger Configurator 1 20 Channels Acguisitons Communic
3. ABUS provides the original purchaser of this instrument a one 1 year warranty against defects in material and workmanship under the following terms The one year warranty begins on the day of shipment as stated on the sales bill During the warranty period all costs of material and labor will be free of charge provided that the instrument does not show any evidence of misuse For maintenance return the instrument with a copy of the sales bill to our factory All transportation and insurance costs should be covered by the owner of the equipment Should any sign of electrical or mechanical shock abuse bad handling or misuse be evident the warranty voids and maintenance costs will be charged ABUS TECHNOLOGIES INC www abustek com E Mail info abustek com ABUS TECHNOLOGIES INC i
4. Logging The Field Logger detects the specific hardware memory and real time clock required for data logging If this hardware is present the parameters in the Acquisition Page will be enabled for configuration The software FieldChart was designed to be used with the Field Logger It performs the upload of the logged data and executes many other tasks like on line monitoring and alarm visualization If third party software packages are aimed a driver for the Field Logger must be developed See in the next section information on the protocol ABUS TECHNOLOGIES INC OS Field Logger SAFETY PRECAUTIONS 1 The unit should be powered for 15 minutes before use 2 Use in ambient temperature of 0 60 C 3 Avoid vibrations shock excessive dust corrosive chemical materials or gaseous environment Input wire should not be too long If measured signal have to be far away from the unit please use 2 core shielded cable Use this instrument in the scope of its specifications otherwise fire or malfunctions may result Contact of the instrument with organic solvents or oils should be avoided 7 Do not turn on the power supply until all of the wiring is completed Otherwise 8 9 electrical shock fire or malfunction may result Do not disassemble repair or modify the instrument All connections should be tightened properly 10 Power supply should be constant should not be fluctuating 10 WARRANTY
5. Signal f 2 Alarm 7 7 Configuration 8 1 Communication Page 8 2 Channels Page 9 3 Acquisitions Page 10 4 Diagnosis Page 12 5 Serial Communication 13 8 Operation 15 Data Logging 15 9 Safety Precautions 16 10 Warranty 16 ABUS TECHNOLOGIES INC 2 Field lt I Logger 1 INTRODUCTION The Field Logger is versatile data acquisition equipment for process variables capable of on line or stand alone operation When loaded with a Real Time Clock and non volatile memory it can register up to 128k readings Its universal input channels accept a large variety of sensors and standard signals as listed in table Field Logger Input Signals below A Configuration program Windows 95 98 or NT is provided for an easy configuration of all the internal parameters 2 PRESENTATION Technical Parameters Mains 85 to 250 Vac 50 60Hz or 100 to 250 Vpc or 24 Vac or Voc optional Power consumption 2VA All sensors factory calibrated and software linearized Internal cold junction compensation for thermocouples 2 or 3 Wire Pt100 Pt100 input 3 wire configuration with cable length compensation Excitation current 170uA Internal resolution 20000 counts Linearity Better than 0 05 of FS Accuracy Thermocouple J K T E and N 0 2 of range 1 C Thermocouple R S and B 0 25 of range 3 C Pt100 0 2 of range Linear voltage or current 0 2 of maximum range RS485 interface MODBUS RTU Ambient tem
6. for the logger this function must be configured The DIG IN input shares one terminal with the Vga input ABUS TECHNOLOGIES INC 6 6 INSTALLATION 6 1 Input Signal INPUT TYPE WORKING RANGE Thermocouple J 50 to 760 C 58 to 1400 F Thermocouple K 90 to 1370 C 130 to 2498 F Thermocouple T 100 to 400 C 148 to 752 F Thermocouple E 35 to 720 C 31 to 1328 Thermocouple N 90 to 1300 C 130 to 2372 F Thermocouple R O to 1760 C 32 to 3200 F Thermocouple S O to 1760 C 32 to 3200 F Thermocouple B 150 to 1820 C 302 to 3308 F Pt100 200 0 to 530 0 C 328 0 to 986 0 F 4 20mA type J 50 to 760 C 58 to 1400 F 4 20mA type K 90 to 1370 C 130 to 2498 F 4 20mA type T 100 to 400 C 148 to 752 F 4 20mA type E 35 to 720 C 31 to 1328 F 4 20mA type N 90 to 1300 C 130 to 2372 F 4 20mA type R O to 1760 C 32 to 3200 F 4 20mA type S O to 1760 C 32 to 3200 F 4 20mA type B 150 to 1820 C 302 to 3308 F 4 20mA type Pt100 200 0 to 530 0 C 328 0 to 986 0 F 4 20mA Indication range from 1999 to 9999 Field Logger Input Signals 6 2 Alarm The Field Logger has two relays ALM1 and ALM2 which can be used as alarm outputs They can also be used as digital outputs In this case a Modbus command controls its logical state When it is used as alarms these relays can be associated to any input channel in an independent way Two distinct alarm Set points can
7. regard to this manual including but not limited to fitness for a particular purpose If any question arises or errors are found or if any information is missing from this manual please inform your supplier or inform at info abustek com The specifications mentioned in this manual are limited to those for the standard type under the specified model number break down and do not necessarily apply for customized instruments Please note that changes in the specifications construction or component parts of the instrument may not immediately be reflected in this manual at the time of change f the customer or any third party is harmed by the use of this product ABUS assumes no responsibility for any such harm owing to any defects in the product which were not predictable or for any indirect damages Although Warning hazards are related to personal injury and Caution hazards are associated with equipment or property damage it must be understood that operation of damaged equipment could under certain operational conditions result in degraded process system performance leading to personal injury or death Therefore comply fully with all Warning and Caution notices Information in this manual is intended only to assist our customers in the efficient operation of our equipment Use of this manual for any other purpose is specifically prohibited and its contents are not to be reproduced in full or part without prior approval of Techni
8. 1 IV Relay 2 v Piles High Set Point 42 5 TFT Relay1 7 Relay 2 C Channel 8 V Enable Flow 09 Relay 1 Functi Relay 2 Functi Alam Alarm Digital Output Digital Output Channel Page It is possible to adjust the indication range for the linear inputs 4 20mA and 0 50mV by setting values to the high and low limits 1999 to 9999 For example when a 4 20mA input is being used and the range is set to 0 4000 the Field Logger will convert a value equal to 2000 for an input of 12mA In addition one can choose the number of decimals and associate an engineering unit to that input For Thermocouples and Pt100 the ranges are fixed and represent the indication span of the sensor The selection of the temperature unit C or F is available for these sensors Each channel has ABUS TECHNOLOGIES INC i two alarms associated to it Set point values and alarm functions HI or LO are set in the Alarm 7 and Alarm 2 boxes as well as the selection of the output relay for each alarm If no relay is associated to an alarm even so the alarm will be processed and informed to the supervisory software refer to section Serial Communication The 2 relays may be configured as alarms as mentioned previously or as digital outputs controlled by the MODBUS Preset Single Coil command described in section Serial Communication When configured as digital output see boxes Relay 1 function and
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10. Channel Byte Low 1 Low Alarm L Channel 1 High Alarm L __ Channel 2 Low Alarm L Channel 2 High Alarm L Channel 3 Low Alarm L Channel 3 High Alarm L Channel 4 Low Alarm L Channel 4 High Alarm ABUS TECHNOLOGIES INC Registers 11 to 14 Report A D conversion errors e Byte High gt odd channels 716 5 4 3 2 1 0 Underflow L Negative value following calibrat L Overflow Lo 1 A L _____ Linearization value exceeded L Pt100 cable compensation error L i Not used L Not used Not used Byte High to Odd Channel L e Byte Low gt even channels Same as byte high for the adjacent channel 7 5 3 Digital Outputs Field Logger relays can be configured as serial activated digital outputs The Modbus command for setting the digital outputs is 05 Preset Single Coil Relay 1 ALM1 terminals uses address 0 Relay 2 ALM2 terminals uses the address 1 8 OPERATION Disconnect mains before wiring the signals to the Field Logger When turned on the Field Logger shows a flashing LED 2 second period indicating the operating condition When in logging mode in the models with local memory for recording the readings the Field Logger LED shows a double flash every 2 seconds At the end of the logging period the LED returns to the single flash Two other LEDs Rx and Tx signal the activity in the RS485 interface Data
11. Logoings E least 1 one logging was done fi 454 TAG Walue Unit Alarm Channel Status Filter 1 Temp 34 fis fE 2 Level 13 51 7 meters 3 0 0 y D 4 Temp 35 21 0 j 5 Temp 36 a e mT z p f A c a a a al i Mains Frequency Seia Number 03953752 C S50Hz 4 60Hz Firmware Yersion fi 13 Diagnosis Page A field called No of Loggings informs the current number of readings recorded in the Field Logger internal memory for the models that have this option Best performance of Field Logger is obtained if the correct mains frequency is selected Click in the corresponding box for 50 or 60Hz the default frequency is 60Hz The instrument serial number as well as the firmware version can also be visualized in this screen In summary the Diagnosis page provides useful information and it is wise to ABUS TECHNOLOGIES INC i 12 OS take a look at it after applying a new configuration to the Field Logger Click on the Apply button to send the new configuration The OK button will also transmit the new configuration to the Field Logger closing the window The Cancel button simply closes the window discarding any changes 7 5 Serial Communication The Field Logger communicates with the Configurator or the application software by its R8485 serial interface using the Modbus protocol The computer is the master and the Field Logger is the slave The communication is always started at the host
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13. ation Diagnostic Start Lagging Stop Logging Day Mon Yrs Hrs Min Sec Day Mon Yrs Hrs Min Sec at for fos A2000 fia fas foo At far gor Af2000 14 J50 for C By digital input trigger Stop after e398 Base Intervals o ial By serial command C Never stop wrap around mot Pi pag STEIN Full memory Base Interval Between Loggings Gy dara input desctive Hrs Min Sec Dec ATEN oo feo for fo Sanon Interval Multipliers Channel 1 1 Channel 5 Channel 2 1 Channel 6 Channel 3 Channel 7 Current Time 01 08 2000 13 29 33 Logging Available Memory 32768 Programmed Number of Loggings 32767 gt gt Programmed Number of Base Intervals 11702 Expected Time 03 15 01 0 OK Cancel Apply Help Acquisitions Page Channel 4 110 Channel 8 15 ABUS TECHNOLOGIES INC 11 NOTES 1 An optional hardware with memory and real time clock is required for the data logging If this hardware is not identified the Configurator will not allow setting the acquisition parameters 2 The Field Logger real time clock is updated with the current PC date and time every time a new configuration is transmitted to the Field Logger Other information provided by the Configurator is described below e Current time lt informs the PC current time e Logging memory size lt shows the number of readings that can be stored in the Field Logger data memory e Programmed Number of Loggi
14. be set to every input channel performing a HIGH Maximum or LOW Minimum functions The HIGH alarm will signal when the input exceeds the value configured in the respective Set point The alarm LOW will be ON whenever the input signal is below its respective Set point The alarms can be associated to any of the relays or both All input channels can share the same relay the output which will perform an OR logic with all the requests In the case where various channels use their alarms associated to the same output the relay will be energized when any of the channels enters into an alarm condition remaining so as long as at least one alarm is using it ABUS TECHNOLOGIES INC 7 CONFIGURATION A diskette with configuration software is included in the Field Logger package or can be downloaded from our web site www abustek com It is also included with the FieldChart software also available in the ABUS site To install the Configurator execute the program FL_Setup EXE distributed in the diskette The FieldChart software automatically installs the Configurator The Configurator presents 4 pages for parameter configuration Communication Channels Acquisitions and Diagnosis 7 1 Communication Page When running the Configurator first select the serial port COM1 or COM2 as referred in the Communication page See figure communication page below After setting up the communication port the user can start the Field L
15. cal Communications Department ABUS Technologies HEALTH AND SAFETY To ensure that our products are safe and without risk to health the following points must be noted 1 The relevant sections of these instructions must be read carefully before proceeding 2 Warning labels on containers and packages must be observed 3 Installation operation maintenance and servicing must only be carried out by suitably trained personnel and in accordance with the information given Any deviation from these instructions will transfer the complete liability to the user 4 Normal safety precautions must be taken to avoid the possibility of an accident occurring when operating in conditions of high pressure and or temperature 5 Chemicals must be stored away from heat protected from temperature extremes and powders kept dry Normal safe handling procedures must be used 6 When disposing of chemicals ensure that no two chemicals are mixed Safety advice concerning the use of the equipment described in this manual or any relevant hazard data sheets where applicable may be obtained from the Company address on the back cover together with servicing and spares information ABUS TECHNOLOGIES INC i Field Logger Field lt I Logger CATALOGUE Contents Page No 1 Introduction 4 2 Presentation 4 Technical Parameters 4 3 Dimensions 5 4 Ordering Details 5 5 Connections 6 Analogue Input 6 6 Installation 7 1 Input
16. g one Field Logger at a time After selecting a new address and clicking in Read Configuration the parameters of the selected Field Logger are read into the Configurator To configure other Field Logger parameters go to the Channels page A screen similar to figure Channels Page is shown below 7 2 Channels Page In the Channel Selection box choose a channel to be configured The parameters shown on the right side of the screen refer to the channel selected The channels marked Enabled will be monitored on line monitoring or logged into memory A 16 character field Title is available for identifying the application In addition each channel can have a tag associated to it up to 8 characters The 8 input channels are universal and it is allowed any combination of input types that is each channel can be configured independently from the others Field Logger Configurator 1 20 Channels Acquistions Commurication Diagnostic Input Type i Point 5 Title Ponts Linear 4 20mA4 1999 to 3999 Channel Selection Engineer Unit C Chanell M Enable Temp 34 T Celsius Channel af Enable Level 13 errantes S C Channel 3 Disabl annel3 7 Disable Se Read Mod F Channel4 7 Enable Temp 25 Low Limit 00 Normal C Channel fv Enable fr sind High Limit a O Diferential Charmel 6 E Disable Channel Disable h he I High Set Point 81 5 l Relay
17. master which transmits a command to the destination address The addressed slave a Field Logger recognizes the request and answers back to the host The Field Logger also responds to broadcast type commands OBS It is recommended to use a 3x26AWG shielded cable for serial communication 7 5 1 Characteristics e RS485 standard 2 wire isolated e Address capability for 247 instruments in the same network 31 instruments maximum per segment e Distance 1000m 4000 feet e Baud rates 1200 2400 4800 9600 or 19200 bps e No of bits 8 no parity e Stop bits 1 e Response delay 20ms max e Protocol MODBUS RTU 7 5 2 Registers The Field Logger configuration parameters are organized in a table of registers Using the block read capability of the protocol many registers can be viewed in a single request command The user does not need to know the parameter position in the table as long as he uses the Configurator software A parameter is a word of 16 bits The MODBUS command used for reading is 03 Read Holding Register The following registers are equivalent to the holding registers 4X reference Holding P i arameter Registers 0001 Channel 1 current reading 0002 Channel 2 current reading 0003 Channel 3 current reading 0004 Channel 4 current reading 0005 Channel 5 current reading 0006 Channel 6 current reading 0007 Channel 7 current reading 0008 Channel 8 current reading 0009 Alarm status 0010 Reserved ge
18. neral status 0011 Channels 1 and 2 status 0012 Channels 3 and 4 status 0013 Channels 5 and 6 status 0014 Channels 7 and 8 status ABUS TECHNOLOGIES INC LE O9 Registers 01 to 08 It holds the most recent measurements on the channels The channel update rate depends on the number of active channels and on the input types configured in the channels The Field Logger updates the readings at the maximum possible rate limited to the A D conversion time The channels configured for Pt100 take twice the time to deliver a new conversion since it performs two conversions in sequence cable length compensation When only one channel is active the time needed for updating the channel is 0 2 seconds best case When 8 channels are configured as Pt100 the update of the 8 channels takes 0 95s worst case The returned value is in 2 s complement For Pt100 readings where the resolution is 1 10 of a degree the decimal point is not transmitted due to protocol limitations Likewise the decimal point is disregarded for the linear inputs 4 20mA and 0 50mV Register 09 Reports the alarm status as drawn below e Byte high 77615 4 3 2 1 0 _ Channel 5 Low Alarm L Channel 5 High Alarm L Channel 6 Low Alarm L Channel 6 High Alarm L Channel 7 Low Alarm L Channel 7 High Alarm L Channel 8 Low Alarm L Channel 8 High Alarm Byte High e Byte low 716 5 4 3 2 1 0 __
19. ngs lt shows the total number of readings that will be recorded for the given configuration This number is obtained by the sum of all readings from the active channels The button gt gt opens a window with details on the number of acquisitions per channel for the current configuration e Programmed Number of Base intervals lt shows the quantity of base intervals that will be processed according to the current configuration e Estimated Duration Informs the needed time for the acquisition to be accomplished according to the current configuration 7 4 Diagnosis Page Here the Configurator performs a continuous reading of all input channels once a second and shows the instant readings on the screen The disabled channels in the configuration will present the value of 0 regardless of what is connected to their inputs This screen is useful to check if all inputs are properly configured and wired The alarms status is also available in this screen The Diagnosis page provides means for setting digital filters to the input channels The values for the filter range from O to 9 being 3 the factory default For slow varying inputs like temperature measurements best results are obtained with high values of filter as opposed to fast signals pressure transmitters for example where low values of filter are recommended Field Logger Configurator 1 20 Channels Acquisitions Communication Diagnostic Field Logger Status NH
20. ngth compensation for Pt100 measurements are also accomplished depending on input channel configuration An estimate update time for a single channel measurement is 0 2s For 8 channels with thermocouple inputs this time is 0 55s whereas 8 Pt100 channels require 0 95s for the update So the time interval between loggings should not be set shorter than the total time required for reading the inputs This time interval is defined by the Base Interval Between Loggings and the Interval Multipliers The base interval can be specified from 0 2s to many hours and is common to all channels The interval multiplier however can be configured individually for each channel allowing distinct logging rates among channels For example for a base interval of 10s a multiplier 1 will cause a new sample to be recorded every 10s for a multiplier equal to 6 the channel will be recorded once every minute Using ABUS TECHNOLOGIES INC Field Logger x the multipliers the user can manage the memory usage according to the importance of each input variable The start and end of loggings can be accomplished in modes shown below e Remotely through serial Modbus command Select the option by serial command at the Start Logging parameter and never stop for End Logging Apply the configuration and then click the mouse in the button Start now The logging will go on until the button Stop now is hit If the data memory is used up
21. ogger configuration El E Field Logger Configurator 1 20 Channels Acquisitions Communication Diagnostic Host Parameter Port com2 Connect Automatic Searc Baud Rate 9600 Address 2 Network Parameter Baud Rate sc00 Address la H Modify Read Communication Page When an unknown Field Logger is to be configured no information on baud rate or address the Configurator can perform an Automatic Search on the Field Logger connected to the PC COM port It finds out the baud rate and address actually programmed in the Field Logger To access this function go to the Communication page and then click the button Search in the Automatic Search box The actual Field Logger communication parameters are shown enabling the user to change them for example when configuring a network with many Field Loggers To change the communication parameters select new values for Baud Rate and Address and then hit the button Modify The configuration program requires that only one Field Logger be connected to the PC when the automatic search utility is called ABUS TECHNOLOGIES INC The factory default for the communication parameters is Baud rate 9600 Address 1 In a network the baud rate must be the same for all instruments and each instrument must have a unique address The Configurator can talk to any Field Logger in the network addressin
22. perature 0 to 55 C 32 to 130 F ABS case Dimensions 105x90x60mm Weight 210 grams Alarms 2 SPST NA 3A 250V relays ABUS TECHNOLOGIES INC 4 3 DIMENSIONS O9 Product FL Recording Memory Supply Configuration Software SCADA Software 8 8 Field Logger 8 channel Universal Input No Memory Storage 128K recording memory AC 85 250 Vac DC 24 V dc Standard with Field Logger Without SCADA Software 8 channel plotting amp analysis software 64 channel plotting amp analysis software Example FL gt Y gt A gt gt N ABUS TECHNOLOGIES INC E i 9 CONNECTIONS Analogue Inputs Refer to figures Upper Side Connector and Lower Side Connector below for connections of the input signals power supply and alarm outputs Ch 1 Ch 2 Ch 3 Ch 4 sisi IN Vear RS 485 N PN pa gt a ee E o T E E 1 2 3 4 5 6 7 8 9 10 i 12 13 14 is 16 17 18 Upper Side Connector POWER ALM1 LM Ch 6 Ch 7 Ch 8 r AS M ine TATA A 28 29 30 31 32 33 34 35 36 Lower Side Connector POWER mains input Vegart backup DC voltage 6 to 24Vpc Allows continuous logging of data into memory when the AC voltage is absent When the Field Logger is working with the Vie power only the serial communication and alarms are inhibited ON mV ALM1 and ALM2 output alarm relays DIG IN Digital input A switch connected to this input acts as a gate
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