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PET-7H16M Series User Manual, version 1.0.1 P.81

A.3.

Data Field

The data field consists of messages sent between master and slave. The messages contain

additional information about the action to be taken by the slave or any information requested by

the slave. When the slave does not require this information the data field can be nonexistent.

A.4.

Error Check

The error check performed in Modbus/RTU is Cyclic Redundancy Check (CRC). Both the

transmitting device and the receiver compute CRC. Two bytes are used for this purpose and

generally one bit errors are detected by this method.

Содержание ET-7H16M Series

Страница 1: ...ET 7H16M Series User Manual Version 1 0 1 January 2019 Written by Sean Hsu Edited by Anna Huang...

Страница 2: ...ual at any time without notice The information furnished by ICP DAS is believed to be accurate and reliable However no responsibility is assumed by ICP DAS for its use not for any infringements of pat...

Страница 3: ...ware 23 2 2 Deploying a Basic PET 7H16M System 24 2 3 Installing the ET 7H16 Utility 26 2 4 Using ET 7H16 Utility to Assign an IP address 27 3 Operation 30 3 1 Continuous Acquisition 31 Software AD Tr...

Страница 4: ...48 5 2 1 Basic Settings 49 5 2 2 5 3 Authentication 55 Account Management 56 5 3 1 Accessible IP Settings 60 5 3 2 5 4 Web HMI 64 6 Modbus Applications 65 7 Updates 70 8 Calibration 73 Appendix B Ana...

Страница 5: ...ling on each channel It provides programmable input range on all analog channels 5 V and 10 V digital output can be set output with Short circuit protection and overload protection PET 7H16M also has...

Страница 6: ...g A D acquisition data is continuously transmitted to the Host PC 2 After collecting N data samples the data is transferred to the Host PC Maximum sampling rate of 200 kHz per channel a After starting...

Страница 7: ...External Digital Signal Event Trigger mode The A D acquisition parameters are configured via a command from the Host PC and then triggered via an external electrical signal The A D acquisition of the...

Страница 8: ...samples is performed The acquisition mode can be categorized into two types Pre Trigger acquisition of N data samples The A D data is continually collected and is temporarily stored in the memory on...

Страница 9: ...Host PC and are triggered by an external digital signal event the A D acquisition of N data samples or A D acquisition via the synchronization of an external clock signal Built in Web Server Each PET...

Страница 10: ...resses Modbus TCP Protocol The Modbus TCP slave function on the Ethernet port can be used to provide data to remote HMI SCADA software built with Modbus TCP driver Automatic MDI MDI X Crossover for Pl...

Страница 11: ...ture true IEEE 802 3af compliant classification Class 1 Power over Ethernet PoE using both Ethernet pairs Category 5 Ethernet cable The PET 7H16M module can receive power from an auxiliary power sourc...

Страница 12: ...Yes for POE Power Yes 2 Way Isolation Ethernet 1500 VDC I O 2500 VDC EMS Protection ESD IEC 61000 4 2 4 kV Contact for Each Terminal and 8 kV Air for Random Point EFT IEC 61000 4 4 4 kV for Power Pow...

Страница 13: ...ital Input Channels 4 Contact Wet Contact Sink Source NPN PNP Sink Source On Voltage Level 5 VDC 30 VDC Off Voltage Level 1 VDC Max Digital Output Channels 4 Type Isolated Open Collector Sink Source N...

Страница 14: ...iew PET 7H16M is equipped with several interfaces and peripherals that can be integrated with external systems Here is an overview of the components and its descriptions LED Indicators J2 Connector Pi...

Страница 15: ...detected Flashing Ethernet packet received L3 RUN Flashing Firmware is running Tips Warnings If the Run LED does not display the information as above the following steps should be taken Step 1 Switch...

Страница 16: ...nformation regarding the pin assignments of the J1 Connector please refer to 1 2 Specification The pin assignments of the connector are as follows Signal Direction Description DI0 DI3 Input Digital In...

Страница 17: ...nput Analog Input channels 0 to 7 For single ended measurements each signal is an Analog Input voltage channel AGND Analog Input Ground These terminals are reference point for single ended AI measurem...

Страница 18: ...168 255 1 Gateway 192 168 0 1 Mask 255 255 0 0 DHCP Disable Gain offset value of AI calibration Factory Default Setting Original factory calibration value Account Management Factory Default Setting A...

Страница 19: ...on the following figure Analog Input Voltage Digital Input Counter ON State Readback as 1 OFF State Readback as 0 Wet Contact Sink Digital Output ON State Readback as 1 OFF State Readback as 0 Open C...

Страница 20: ...1 5 Block Diagram PET 7H16M functions are illustrated in the block diagram shown here...

Страница 21: ...1 6 Dimension The diagrams below provide the dimensions of the PET 7H16M to use in defining your enclosure specifications All dimensions are in millimeters...

Страница 22: ...package contents are missing or damaged contact your dealer on distributor PET 7H16M Quick Start Guide 2 4 mm Screw Driver Before you work with the PET 7H16M you should have a basic understanding of...

Страница 23: ...ersion 1 0 1 P 23 2 1 Mounting the Hardware The PET 7H16M can be mounted either directly to a wall panel Step 1 Use the included screws and a screw driver to attach the PET 7H16M to the wall panel Ste...

Страница 24: ...other is as usual through wiring by an external power External power should range from 12 VDC to 48 VDC The reason we keep the second way is because it might be useful if someday or somehow you have d...

Страница 25: ...PET 7H16M Series User Manual version 1 0 1 P 25 External Power supply i Connect PC to the Ethernet port via the Ethernet switch ii Connect the power supply to the switch and PET 7H16M...

Страница 26: ...d download files to PET 7H16M from PC Refer to chapter 4 2 ET 7H16 Utility for more details Step1 Get the ET 7H16 Utility tool The ET 7H16 Utility can be obtained from our FTP site http ftp icpdas com...

Страница 27: ...evice which comes with a default IP address therefore you must first assign a new IP address to the PET 7H16M The factory default IP settings are as follows Item Default IP Address 192 168 255 1 Subne...

Страница 28: ...rom the Tools menu After choosing Search from Tools menu that will search all of the PET 7H16M modules on your network Step 3 Choose the field 192 168 255 1 and then choose IP setting from the toolbar...

Страница 29: ...al version 1 0 1 P 29 Step 4 Assign a new IP address and then choose Set button You only can manually assign an IP address Step 5 Click OK button When the setup is completed click the OK button Step 6...

Страница 30: ...a time is allowed to acquire data from PET 7H16M There are two different data acquisition modes and several trigger modes of analog input operation The following chart shows the acquisition and trigg...

Страница 31: ...to digital data The data accumulated to a network packet size returns to the PC The process of acquiring data is continuous until a stop command is sent over the Ethernet The sample rate can range fr...

Страница 32: ...PET 7H16M Series User Manual version 1 0 1 P 32...

Страница 33: ...value converted to digital data followed the external clock sampling rate and the data accumulated to a network packet size returns to the PC The process is stopped until a stop command is sent over...

Страница 34: ...PET 7H16M Series User Manual version 1 0 1 P 34...

Страница 35: ...e AD conversion The analog input value is continuously acquired and converted to digital data until the total number of samples reaches Send a command to get the all acquisition data over the Ethernet...

Страница 36: ...tion when you want to collect data after an external trigger event Send a start command from PC over the Ethernet to PET 7H16M to start the acquisition The A D conversion is started actually when the...

Страница 37: ...PET 7H16M Series User Manual version 1 0 1 P 37 External Clock Ethernet AI0 AI7 DMA CON1 PGA Sampling Hold FIFO Memory ADC Trig Pre Post trigger Internal Clock...

Страница 38: ...y instrumentation and control systems boosting productivity and saving development time With LabVIEW it is possible to quickly create user interfaces that enable interactive control of software system...

Страница 39: ...connect as Data Logger function 1 When connect to ET 7H16 it will get the parameters of gain and offset for calibration they are used to calibrate the raw data from ET 7H16 2 It also gets the configu...

Страница 40: ...32 bit or 64 bit Windows Operating System Operating system of Windows requirement 32 bit x86 64 bit x64 Microsoft Windows 2000 Microsoft Windows XP 32 bit Microsoft Windows XP 64 bit Microsoft Windows...

Страница 41: ...the location below The latest version of the installation package from FTP site listed as following FTP ftp ftp icpdas com pub cd 6000cd napdos et7h16 tools dll File Description HSDaq dll Used for VC...

Страница 42: ...StartLogger ET7HLogger StartLogger Set data path and start a log thread for saving the sampling data StopLogger ET7HLogger StopLogger Stop log thread for saving the data GetTCPReceivedCnt ET7HLogger G...

Страница 43: ...ations these demo programs can be obtained from http ftp icpdas com pub cd 6000cd napdos et7h16 tools dll demo c Visual C Samples The ET 7H16 VC demo includes the following samples that demonstrate th...

Страница 44: ...16M web site from any computer that has Internet access Step 1 Open a browser In several browsers Mozilla Firefox and Internet Explorer are both reliable and popular Internet browsers Step 2 Type the...

Страница 45: ...web site After logging into the PET 7H16M web site the welcome page will appear This site serves several functions You can easily access these functions through the menu on the left side The Overview...

Страница 46: ...6M The information is the most important note of version control for upgrading system This page provides basic information about the PET 7H16M Firmware Ver Current firmware version Gain Current input...

Страница 47: ...ngs This menu links to the Network Settings page that allows you to access the IP settings Basic Settings This menu links to the Basic Settings page that allows you to configure the basic information...

Страница 48: ...The Network Settings page provides functions to configure either DHCP Roaming or manually configured Static network settings Manually Configured Network Settings 1 Disable the DHCP 2 Assign an IP add...

Страница 49: ...ries User Manual version 1 0 1 P 49 Basic Settings 5 2 2 The Basic Settings page provides the following functions Configure the module information Configure the web site information Reset all settings...

Страница 50: ...le Name The name of the module that can be modified It has an initial value depending on the name of the module Module Information The module information indicates the name of the alias that is used t...

Страница 51: ...mation First line and Page Header Information Second line The title of the website that can be modified you can view the title information in the top left corner The title information can be determine...

Страница 52: ...PET 7H16M Series User Manual version 1 0 1 P 52 To configure the web site information 1 Enter the web site information 2 Click Submit to finish configuring the module information 1 2...

Страница 53: ...nction can be divided into the following categories You can use this function to reset the settings to their factory default Configuration Authentication All To reset the settings to their factory def...

Страница 54: ...Top page Information First line ICP DAS Top page Information Second line http www icpdas com More Information URL http www icpdas com products Remote_I O et 7000 et 7000_introduction htm Web Server T...

Страница 55: ...enu consists of the following menu Account Management This menu links to the Privilege management page that allows you to manage the user accounts and their privileges Accessible IP Settings This menu...

Страница 56: ...PET 7H16M Series User Manual version 1 0 1 P 56 Account Management 5 3 1 The Basic Settings page provides the following functions Configure the user accounts Load the factory default user account...

Страница 57: ...nt consists of An account name Specifies the name of This can be your name or another alias A password The system will ask you to type this in twice to ensure it is correct The authority that determin...

Страница 58: ...0 1 P 58 To Create an User Account When you create user accounts you can Enable or Disable user accounts 1 Enter the user account information and then select the enable checkbox 2 Click SUBMIT to fin...

Страница 59: ...he factory default user accounts The PET 7H16M has a built in administrator account named Admin that is created when it is installed by default The default account cannot be deleted Click RESET SETTIN...

Страница 60: ...PET 7H16M Series User Manual version 1 0 1 P 60 Accessible IP Settings 5 3 2 The IP filter Settings page provides the following functions Configure IP filtering...

Страница 61: ...at enables you to restrict or grant user access based an IP filter list you create The filter can be enabled or disable by selecting the Enable the IP filter table checkbox Tips Warnings By default th...

Страница 62: ...lect the Enable the IP filter table 2 Enter the same IP address in the From IP Address and To IP Address 3 Select the Active the rule checkbox 4 Click SUBMIT to finish configuring the list of IP filte...

Страница 63: ...eries User Manual version 1 0 1 P 63 2 Enter a range of IP addresses in the From IP Address and To IP Address 3 Select the Active the rule checkbox 4 Click SUBMIT to finish configuring the IP filter l...

Страница 64: ...onsists of the following menu Web HMI This menu links to the I O monitor page that allows you to monitor and control the I O status on PET 7H16M module remotely By default this page displays summary i...

Страница 65: ...hat allows you to access terminals data via Ethernet and communicates using a master slave technique in which only one device the master can initiate transactions called queries The other devices slav...

Страница 66: ...r Map Modbus devices usually include a Register Map Modbus functions operate on register map registers to monitor configure and control module I O The users should refer to the register map for the PE...

Страница 67: ...g value to Modbus register 1 0 low byte high byte 1 high byte low byte R W 36 1 Reset the I O settings to the factory default state 1 1 Reset W Pulse 37 1 Reset the web settings to the factory default...

Страница 68: ...Use Channel Offset Value word 32768 32767 R 80 1 Number of the DI channel word 0 65535 R 81 1 Number of the DO channel word 0 65535 R 82 1 Number of the AI channel word 0 65535 R 90 1 OS image versio...

Страница 69: ...5V 1 10V R W E 33 1 Scan Channel Count word 1 8 R W 34 1 Trigger Type word 0 Software start 1 External Trigger 2 Post Trigger 3 Pre Trigger R W E 35 2 Sample Rate word R W E 37 2 Target Count word R W...

Страница 70: ...ise you to periodically check the ICP DAS web site for the latest updates Step 1 Get the latest version of the firmware and the autoexec bat file The latest version of the PET 7H16M firmware and autoe...

Страница 71: ...P 71 Step 3 Establish a connection to PET 7H16M Click Connect button Step 4 Choose Erase Disk from the Command menu After establishing a connection then choose upload Firmware from Tools menu Then con...

Страница 72: ...T7H16M_VXXXX hex to upload Select PET7H16M_VXXXX hex to upload then click Open File and then click Upload Step 6 End of upload After uploading the file the progress bar will be as shown below Tips War...

Страница 73: ...he board installed in a specific system to be calibrated so that the correct voltages can be achieved for the field connection This calibration allows the effects of voltage drops caused by IR loss in...

Страница 74: ...PET 7H16M Series User Manual version 1 0 1 P 74 Step 1 Entering the IP and Port and click Connect After the connection is successful the firmware version will be read back...

Страница 75: ...voltage 4 8V to ch0 ch7 and the meter and select 5V in Gain combo box Enter the value reading from the meter in Meter 1 textbox the following example is 4 7990 Tips Warnings The range of output voltag...

Страница 76: ...ion 1 0 1 P 76 Step 3 Click Point_1 button and get the raw data of each channel as following Step 4 Output a voltage 4 8V to ch0 ch7 and the meter enter the value reading from meter in Meter 2 textbox...

Страница 77: ...as following Step 6 Select 10V in Gain combo box Step 7 Repeat the Step2 Step5 and the upper limit voltage outputs 9 8V in Step 2 and the lower limit voltage outputs 9 8V in Step 5 The calculated Gain...

Страница 78: ...PET 7H16M Series User Manual version 1 0 1 P 78 Step 8 After completing the calibration click on ShowGainOffset button to read Gain and Offset value...

Страница 79: ...ure Modbus devices communicate using a master slave client server technique in which only one device the master client can initiate transactions called queries The other devices slaves servers respond...

Страница 80: ...d Write Output or Holding Registers A 4x register is used to store 16 bits of numerical dada binary or decimal or to send the data from the CPU to an output channel A 2 Function Codes The second byte...

Страница 81: ...to be taken by the slave or any information requested by the slave When the slave does not require this information the data field can be nonexistent A 4 Error Check The error check performed in Modb...

Страница 82: ...ion 1 0 1 P 82 Appendix B Analog Input Type and Data Format Table Type Code Input Range Data Format F S F S 02 10 to 10V Engineering Unit 10000 10000 2 s comp HEX 7FFF 8000 01 5 to 5V Engineering Unit...

Страница 83: ...the IP filter setting using the Web configuration There are more than 30 TCP IP connections Reboot the module Able to explore the web page through port 80 using a web browser but Modbus TCP program c...

Страница 84: ...anual version 1 0 1 P 84 Appendix D Revision History This chapter provides revision history information to this document The table below shows the revision history Revision Date Description 1 0 1 Janu...

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