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DL7, DL7L 

MULTICHANNEL  ELECTRONIC  
DATA LOGGER 

 

USER’S MANUAL 

 

Version: 180228EN 

 

 

Summary of Contents for DL7 Series

Page 1: ...DL7 DL7L MULTICHANNEL ELECTRONIC DATA LOGGER USER S MANUAL Version 180228EN ...

Page 2: ... of technical progress Before installation carefully read all the instructions especially those concerned with safety The recorder has been manufactured according to the requirements of relevant EU directives These instructions must be stored in a safe place near the installation of the steam flow computer at all times ...

Page 3: ...The voltage input module DL7 IN6V 15 5 8 Universal input module DL7 IN3 15 5 9 Binary inputs module DL7 IN6D 15 5 10 Digital Input Module Modbus RTU DL7 IN2RS485 24V 15 5 11 Digital Input Module Modbus RTU DL7 IN2RS485 16 5 12 The two state outputs module DL7 OUT6RL 16 5 13 Analogue outputs module DL7 OUT3 16 5 TECHNICAL DATA 17 RTD inputs module measuring the temperature and the resistance DL7 IN...

Page 4: ...nge of the language 39 10 4 Configuration using the software 39 10 5 Reading and saving device settings using the USB port 39 11 ENTITY LAUNCHING THE PRODUCT ON EUROPEAN UNION MARKET 40 12 USER SCREENS 41 12 1 Information about the device 41 12 2 Results Tables 42 12 3 Trends 43 12 4 Archive 44 12 5 Main menu 45 12 6 Single result window 46 12 7 Alarms 47 13 SETTINGS OF CALCULATION CHANNELS 49 14 ...

Page 5: ...B drive 62 16 ADDITIONAL FUNCTIONS 64 16 1 Copying channel settings 64 16 2 User characteristics 64 16 3 Print screen 64 16 4 Changing the background color 65 Fig 16 1 Changing the background color 65 16 5 Web server 65 17 FAILURE SYMBOLS 67 18 DL7L FREE STANDING VERSION 68 19 MODBUS RTU MODBUS TCP TRANSMISSION PROTOCOL 70 19 1 Insights 70 19 2 Functions 70 19 3 Map of Registers for Reading Curren...

Page 6: ...erminal to enable the product to function correctly Not used to provide electrical safety Caution risk of electric shock Caution risk of danger refer to accompanying documentation Caution Electrostatic Discharge ESD sensitive circuit Do not touch or handle without proper electrostatic discharge precautions Important comments and information ...

Page 7: ...nd harmonized standards EMC Directive 2004 30 EC to the following standards and specifications For EMC immunity for industrial environments according to EN 61326 1 2013 Table 2 For EMC conductive and radiated emissions Group1 Class A equipment according to EN 55011 2009 A1 2010 The product may be exposed to interference above the limits of EN 61326 if The product or its wiring is located near a ra...

Page 8: ... protective clothing to protect against the hazards of for example chemicals high low temperature radiation noise falling objects and dangers to eyes and face Permits to work All work must be carried out or be supervised by a suitably competent person Installation and operating personnel should be trained in the correct use of the product according to the Installation and Maintenance Instructions ...

Page 9: ...cipated with its disposal providing due care is taken Returning products Customers and stockists are reminded that under EC Health Safety and Environment Law when returning products to Metronic AKP they must provide information on any hazards and the precautions to be taken due to contamination residues or mechanical damage which may present a health safety or environmental risk This information m...

Page 10: ...components The DL7 DL7L made according to individual customer s order 1pc A set of plug in type connection modules with four yokes 1set Holders for fixing the device 4pc A seal 1pc Quick start guide printed 1pc Warranty Card 1pc Certificate of Calibration 1pc A CD with the user instructions and configuration software 1pc 3 2 Storage If the device is to be stored if not used for a period of time an...

Page 11: ...kes the device suitable for use as a paper less electronic recorder Each device is provided with a basic module which depending on the metrological needs can be appended with additional modules Details of the individual modules are provided in Sec DL7 MODULES The device is intended to be supplied with 24V current Detailed information concerning the power supply is given in consecutive parts of the...

Page 12: ...nnected to a master computer system by means of a built in RS 485 serial port Modbus RTU protocol Ethernet port available Modbus TCP protocol Supplementary software optional Additional DL7 dedicated software enables device configuration through the use of the computer The software enables intuitive use and has an interface which is very similar to the interface of the device The software can be in...

Page 13: ...instructions given in the tables below Number Mark 11 DL7 IN6I 24V 12 DL7 IN6I 21 DL7 IN6RTD 22 DL7 IN3RTD 31 DL7 IN6TC 41 DL7 IN6V 51 DL7 IN3 61 DL7 IN6D 71 DL7 IN2RS485 24V 72 DL7 IN2RS485 81 DL7 OUT6RL 91 DL7 OUT3 Hardware configuration data may also be verified from the device level in this window Information about the device The device is configured by the manufacturer to customer s order A l...

Page 14: ... two colour LED diode informing about the module s operating status CAUTION The maximum number of modules in the device 4 5 4 The 0 4 20mA inputs modules DL7 IN6I interfacing with the active transducers with the standard current output 0 4 20mA or passive transducers with additional external power supply linear current measurement within the range or sub range of 20 20 mA 6 measurement inputs galv...

Page 15: ... a complete list of sensors is given in the chapter discussing the technical data temperature measurements using thermocouples interface with the standard output transducers and the voltage of 0 10V 10 10V linear current measurement within the range or sub range of 20 20 mA linear measurement of the resistance within the range or sub range 0 4000 Ω linear measurement of the voltage within the rang...

Page 16: ...nducting output relays SSR AC DC rated at 0 5 A each input has a separate pin type four wire terminal block a two colour LED diode informing about the module s operating status 5 13 Analogue outputs module DL7 OUT3 3 galvanically separated channels of analogue outputs each can work as a power source or a voltage source in the following ranges 0 20 mA active power source 4 20 mA active power source...

Page 17: ... 4 8 9 6 19 2 38 4 57 6 115 2 kbps Parity control Even Odd None Frame 1 start bit 8 data bits 1 stop bit Galvanic separation 250 VAC 1500 VAC for 1 minute Maximum length of line 1200 m Internal terminating resistor Vcc A B G 390Ω 220Ω 390Ω activated by DIP switches Maximum differntial voltage A B G 9V 14 V Minimum output signal of transmitter 1 5 V at RL 54 Minimum sensitivity of receiver 200 mV R...

Page 18: ...IP54 on front panel side IP20 on rear panel side ENVIRONMENTAL CONDITIONS Ambient temperature 0 50 C Relative humidity 5 95 without steam condensation Height 2000 m n p m Storage temperature 30 70 C Degree of pollution PD2 EMC EMC Directive 2014 30 EC EN 61326 1 2013 Table 2 immunity EN 55011 2009 A1 2010 Class A emission RoHS RoHS Directive 2011 65 EU 0 4 20mA inputs module DL7 IN6I 24V DL7 IN6I ...

Page 19: ...nce Sensor connection type 2 wire 3 wire 4 wire Sensor current 200 A Measuring range 0 4000 Ω Resolution 0 05 Ω Wire resistance compensation in the 3 wire connection Automatic Wire resistance compensation in the 2 wire 3 wire 4 wire connection Constant within the range of 99 99 Ω to 99 99 Ω Maximum resistance of wires supplying power to the sensor 20 Maximum input voltage 40 VDC Galvanic separatio...

Page 20: ... for thermocouple B no compensation Parameters for type RTD Sensor connection type 2 wire 3 wire 4 wire Sensor current 200 A Measuring range 0 4000 Ω Resolution 0 05 Ω Wire resistance compensation in the 3 wire connection Automatic Wire resistance compensation in the 2 wire 3 wire 4 wire connection Constant within the range of 99 99 Ω to 99 99 Ω Maximum resistance of wires supplying power to the s...

Page 21: ...d on the module Other available values level switching 0 45m 1 55 M 2 44mA Digital Input Module Modbus RTU DL7 IN2RS485 24V DL7 IN2RS485 Number of ports 2 Maximum number of reads 25 Signals output on terminal block A B G G G signal ground Maximum load 32 receivers transmitters Transmission protocol Modbus RTU Transmission rate 1 2 2 4 4 8 9 6 19 2 38 4 57 6 115 2 kbps Parity control Even Odd None ...

Page 22: ...lected 4 20 mA 0 20 mA 0 24 mA Output type Current source supplied from the device Possibility of powering the current loop from an external voltage source None Resolution 12 bit 0 006 mA Accuracy RL 350Ω Ta 25 C 0 15 0 036 mA full range of measurement FSR Accuracy RL 350Ω Ta 40 50 C 0 3 0 072 mA full range of measurement FSR Load resistance RL 0 Ω 500 Ω Maximum output voltage for RL Ω 21 5 V Volt...

Page 23: ... F typ 33 8 F without compensation S PtRh 10 Pt EN60584 1 1995 50 C 1768 C compensation range 50 C 300 C 58 F 3214 4 F compensation range 58 F 527 F 2 0 C typ 1 0 C 35 6 F typ 33 8 F without compensation T Cu CuNi EN60584 1 1995 200 C 400 C compensation range 50 C 300 C 328 F 752 F compensation range 58 F 527 F 1 0 C typ 0 5 C 33 8 F typ 32 9 F without compensation E NiCr CuNi EN60584 1 1995 270 C...

Page 24: ...llation of electrical connections it is recommended to leave an extra space of approx 30 mm behind the device When installing the recorder in the mounting opening insert and fit a gasket between the rear wall of the frame and the panel After fitting the recorder in install the latch fasteners on its side walls and then tighten the set screws With the removable screw terminal block you can first in...

Page 25: ...L7L 25 The recorder cannot be exposed to direct heat generated by other equipment When assembled the operating device cannot be affected by interference from other components contacts power relays inverters ...

Page 26: ...ables and cord cables can be connected If larger cables are used it is recommended to use an intermediate terminal block in the measurement cabinet between the facility wiring and the recorder DL7 is a modular device made up from the base and optional input and output optional modules The basic version of the device includes the basic M model only see section Basic M module Depending on the needs ...

Page 27: ...c separation in DL7 functional separation 500VAC 1min 8 2 DL7 modules connection diagrams Detailed information concerning individual modules is given in section DL7 MODULES Fig 8 3 Base module M wiring diagram Fig 8 4 DL7 IN6I module output transducer wiring diagram ...

Page 28: ...8 Fig 8 5 DL7 IN6I 24V module output transducer wiring diagram Fig 8 6 RTD sensor wiring to DL7 IN6RTD module diagram Fig 8 7 Thermocouple wiring to DL7 IN6TC module diagram passive transducers active transducers ...

Page 29: ...DL7 DL7L 29 Fig 8 8 Wiring diagram of transducers with 10V 10V voltage output to DL7 IN6V module Fig 8 9 Wiring diagram for DL7 IN3 module ...

Page 30: ...DL7 DL7L 30 Fig 8 10 The correct way to wire a variety of sensors to DL7 IN3 module Fig 8 11 The incorrect way to wire a variety of sensors to DL7 IN3 module Fig 8 12 Wiring diagram for DL7 IN6D module ...

Page 31: ...ther available value level switch with the corresponding configuration jumpers are given in the table below J1 J2 I MAX 0 45mA 1 5mA 2 44mA 3 54mA To change the level of switching it is necessary to open the rear panel of device remove and again install the modular board This work should only be carried out by properly qualified staff carefully and with keeping safety rules Fig 8 13 Wiring diagram...

Page 32: ...to Relay Outputs of DL7 OUT6RL module Fig 8 16 Wiring diagram for DL7 OUT3 module Connection diagrams to individual types of modules remain the same regardless of the number of channels handled by a particular measurement card In the case of the three channel RTD from 1 to 12 yokes are allowed ...

Page 33: ... 485 data transmission line If available with the serial RS 485 port the device is to be connected in parallel to yoke no 2 marked as A terminal is connected to A terminal with B connected to B The terminal strip has a signal wire marked as G terminal no 3 and no 4 The G terminal is used as ground potential for lines A and B and should be connected between the interfacing devices If another device...

Page 34: ...nication with the user Fig 9 1 Face plate The display is divided into three main areas whose descriptions are given in the relevant chapters 1 Title strip 2 Side menu 3 Main screen 4 USB Port Additionally the face plate contains a USB port 9 1 1 Title strip The title strip is situated in the top part of the screen and performs the informative function Fig 9 2 Title strip ...

Page 35: ...m status Function icon navigating directing the use to alarm screen Alarms Archive status Date and time read from the RTC clock 9 1 2 Side menu The Side menu enables navigation between the windows It is made up from 7 icons whose functions are described below Switch back to the previous screen of the single result or the last active channel Open the window Information about the device more informa...

Page 36: ...ater protection and is also fitted with a special plug to prevent dust and water from entering the USB socket IP54 9 2 Screen keyboard The screen keyboard enables the use of capital and small letters digits special characters and letters specific for a particular language Fig 9 3 Screen keyboard A single time change into capital letters Switching the keyboard to capital letters Option to go to spe...

Page 37: ... The first level of the authorised user It enables viewing of the device settings archive control start stop new archive file resetting the values minimum and maximum zeroing the counters and copying the files through the USB port In addition user may take screen shots Administrator The second level of the authorised user It enables viewing and modifications of the device settings and deleting the...

Page 38: ...in the Login screen After the logging on using the old password select the level for which the passwords is changed from the drop down list Next key in the new password twice and confirm the operation using the CHANGE key In addition to the change of the password the Administrator can also change the User password without the need to know the old password 10 2 Recommended order for configuration o...

Page 39: ...d on again in the selected language 10 4 Configuration using the software Due to the use of the same interface device configuration using the computer software DL7_config exe takes place in the same way as configuration from the device level 10 5 Reading and saving device settings using the USB port To read or write the setting using the USB key select key from the side menu and then icon Plug in ...

Page 40: ...DL7 DL7L 40 11 ENTITY LAUNCHING THE PRODUCT ON EUROPEAN UNION MARKET Manufacturer METRONIC AKP s c 31 261 Kraków ul Wybickiego 7 Tel 48 12 633 08 73 www metronic pl Vendor ...

Page 41: ...2 1 Model screen Device data Additionally this screen contains two function buttons Opens up the screen with the information on the currently installed measurement plates Opens up the window with additional information about the device i e manufacturer s address or contact details to technical support department Additionally for the user logged on as administrator it is possible to edit the fields...

Page 42: ...tabs Each of them contains a table made up from up to 15 fields in the 3x5 layout Each fields enables the display of description current value counter values maximum or minimum and a unit for the selected measurement channel Clicking on the relevant table field navigates the user to the screen Single result window of a selected channel Fig 12 3 Model Results table screen ...

Page 43: ...e display of up to maximum 6 lines and the legend field containing information on the displayed values channel description current value and unit To facilitate identification each of the descriptions has a different colour corresponding to the line on the graph The descriptions are at the same time functional buttons Clicking on a selected description results in activating a suitable Single result...

Page 44: ...rchive and counters records For the current data archive two back up frequencies have been envisaged The active one is marked in black Additionally this field contains information concerning the percentage use of the internal memory of the devices The other part of the screen contains two tabs of the current value archive and counters The value stored in the archive is marked in green In the Archi...

Page 45: ...DL7 DL7L 45 Fig 12 6 Model Archive screen 12 5 Main menu This screen contains a menu made up from the functional icons and their descriptions Fig 12 7 Main menu screen ...

Page 46: ... Using the arrows from the side menu a change of the displayed channels is possible Keeping the keys down for a few seconds enables automatic display of other channels Fig 12 8 Model Single result screen In the top part of the screen there is a channel description made by the user Below the current value measured by the channel is displayed together with the unit declared by the user The bottom pa...

Page 47: ... view Fig 12 9 Clicking on the trend area in the single result window displays the graph in full screen mode 12 7 Alarms Clicked on the alarm icon on the title bar displays the Alarms window This screen contains alarm statuses for all measurement channels Each of the channels was assigned with a single rectangle divided into two parts corresponding to the first and second alarm respectively ...

Page 48: ...ot been set The white colour marks the set alarm If an alarm is activated a particular field is marked in one of the three colours green yellow or red selected by the user If the colour has not been set the alarm situation is signalled by highlighting a particular field in black Alarms are confirmed by the key ...

Page 49: ... example formula 123 calculates the square root of 123 formula 1 calculates the square root of the value of channel 1 formula 1 2 calculates the square root of channel 1 and to the result adds the value of channel 2 formula 1 2 calculates the square root of the sum of values channels 1 and 2 Similarly in the case of exponentiation the possibility of choosing the second and the third power the valu...

Page 50: ...of the calculation channel Calculation channels have the same functions that allow analysis as measurement channels they can be displayed in the Result Tables window in the Trends window and in a single result window It is possible to set alarms Alarms and archive their values Archive ...

Page 51: ...al Language 1 Device Tag text 2 Device ID 1 3 Sound for buttons Disabled Disabled Enabled 4 Sound for new alarms Disabled Disabled Enabled 5 Changing DST Disabled Disabled Enabled 6 1 Language change procedure is presented in section Change of the language 2 This window enables to insert any description name of the device 3 Device ID enables the assignment of an individual ID number To differentia...

Page 52: ...ted options by clicking on the SET button After the confirmation of changes the data will be changed immediately without rebooting the device 14 1 4 Service The maintenance tab is only available to the administrator and enables the performance of the following tasks Reset results in restart of the device Restore the manufacturer settings Using the function will result in deleting all of the earlie...

Page 53: ...d 1 Adjustment value Ω 2 1 RTD sensors can be connected in a three wire configuration with automatic resistance compensation of the connecting cables or a two wire configuration no compensation 2 Resistance correction allows the cable resistance values to be entered manually in the two wire configuration If the sensor is connected in a three wire configuration automatic compensation the resistance...

Page 54: ...ditional low pass filter debounce can be activated with a time jumper approx 1 ms or 3ms DL7 IN2RS485 24V DL7 IN2RS485 RS485 COM tab This tab makes all settings related to the communication of the device after the RS485 digital bus with other devices Baud rate Disabled Disabled 1200 2400 4800 9600 19200 38400 57600 115200 1 Parity NONE ODD EVEN NONE 2 Stop bites 1b 1b 2b Timeout value ms 3 1 Baud ...

Page 55: ...n After the notification is confirmed the relay circuit remains closed if the threshold continues to be exceeded the indicator is lit If the threshold returns to normal the relay circuit will be opened DL7 OUT3 Mode 0 24mA Disabled 0 20mA 4 20mA 0 24mA 0 5V 0 10V 1 Source Channel 1 Channel 1 100 2 Failure value Constant Disabled Constant 3 1 Setting the operating mode of a given output to generate...

Page 56: ...o Linear It is also possible to define the 1 1 characteristics 14 3 2 General Unit Non text 1 Time basis s s min h 2 Resolution 0 0 0 0 0 00 0 000 0 0000 3 Filter Disabled Disabled 2s 5 10 20 30 1min 2 3 5 4 Archiving Disabled Disabled Enabled 5 Failure value Disabled Disabled Constant value 6 Trend scale Maximum Value 7 Minimum Value 7 1 The unit is provided for reference purposes only User can p...

Page 57: ...urement value being exceeded by the user alarm Control setting to either of the listed output relays activates the selected relay if any alarm control threshold is exceeded Select appropriate threshold and hysteresis values to support simple binary on off control operations For example when a fan is connected to a correctly preset output relay and when the High threshold is set to 50 C with 8 C hy...

Page 58: ...device 3 The multiplier allows multiplication of the measurement results by one of the three values selected from the list For example if a flow meter is connected to the device measuring the flow in m3 s and the user wants the result to be displayed in dm3 s the multiplier should be set to 1000 In a converse situation when the measurement would be made in dm3 s and the user would like the values ...

Page 59: ...h distances or high interference level data transmission speed should be perhaps decreased Low transmission speed extends the reading time of results saved in the internal memory which is particularly noticeable when the archive files are processed 3 Parity control of each bite It is recommended to set it to EVEN or ODD mode 14 5 Screen settings 14 5 1 Tables There is a drop down list in the upper...

Page 60: ...list where each item can be given any name not exceeding however 24 characters For each window it is possible to programme 6 trend lines Each of them has a different colour assigned To programme the lines from the drop down lists situated next to the individual colour fields select a suitable measurement channel Additionally it is possible to define the maximum and minimum value for a particular t...

Page 61: ...30min 1h 2h 4h 12h 24h 2 II 2s 2s 5s 10s 15s 30s 1min 5min 10min 15min 30min 1h 2h 4h 12h 24h 3 TOTALIZERS ARCHIVE interval 1min 1min 5min 10min 15min 30min 1h 2h 4h 12h 24h 4 1 The archiving files are created in the daily weekly and monthly system 2 The basic MAIN ARCHIVE interval I Recording interval should correspond to the measurement process If the recording interval is too short the large da...

Page 62: ...ssss User logged on at level sssss SYS LOGOUT User logged out 15 4 Erasing and copying the files to USB drive Copying the selected files to the USB drive by a logged on user takes place using the USB window After connecting the drive to the USB port select the key from the side menu and then the icon The window is divided into two parts On the left there are function buttons and on the right a win...

Page 63: ...the pendrive before the writing process is complete may result in damaging of the recorded files To erase a selected archive file first select the required file from the list and then select the Delete selected file option ...

Page 64: ...lect from the drop down list the characteristics of the User then select one of the ten available positions and select View New points can be added in any order as they are automatically recognized and sorted relative to the measured value x To delete a point select it by clicking and then select Delete point You can edit points the same way using Edit Point No two identical measured values x can ...

Page 65: ...background color of the screen you must press the description of the channel s title strip Fig 16 1 Changing the background color 16 5 Web server The device has a Web Server that allows download archive data using standard Web browser To do so the IP address configured in the device s menu Settings Ethernet Then select the language and password to log as user Fig 16 2 Login to the web server ...

Page 66: ...by clicking on the name attributed to each archive Fig 16 3 Web server view In addition the web server allows to view the measurement data collected in the result tables To refresh the data press Refresh button Fig 16 4 Web server view ...

Page 67: ...ched off channels the single result window is not displayed W Wait value not available is displayed where the channel is connected to the input which has not been yet configured It is usually displayed in the beginning of the device operation Circuit break concerns only the current modules set to 4 20mA mode E Value out of the range exceeded for the input card ERR Measurement error due to reason o...

Page 68: ...the desk Diagram of electrical connections instrument DL7L is the same as the version for panel mounting and is presented in chapter ELECTRICAL INSTALLATION Fig 18 2 DL7L rear plate The power adapter used with the device is capable of delivering stabilized and non stabilized 24 DC voltage It is recommended to supply the device using an insulated 50 W power source A detailed description of the powe...

Page 69: ...L 69 To power the device you can also use an external power supply such as eg pulse power supply companies MEAN WELL available as an option in our offer Fig 18 3 External power supply available as an accessory ...

Page 70: ... device is in the form of Queries whereas the device itself sends Responses 19 2 Functions Functions 03 0x03 and 04 0x04 are applied conversely to obtain the register data Command 03 or 04 is in the form of Function 1B Initial address 2B Number of registers 2B Function 03 HEX or 04 HEX register data reading Initial address address of the register from which data will be sent Number of registers nu...

Page 71: ...th the floating point and single precision 64 bit floating point single The counters are available in the floating point format as per IEEE 754 for the 64 bit digit type with the floating point and double precision 64 bit floating point double Channel number Registers address Process value Counter value 1 Counter value 2 1 00 200 600 2 02 204 604 99 196 592 692 100 200 596 696 ...

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