UEIModbus User Manual 2.1 - United Electronic Industries
Contents
1. Holding Register table Physical channel 5001 channel 0 5005 channel 1 5027 channel 6 5031 channel 7 UEIModbus User Manual A United Flectronic Industries The High Performance Alternative 2 Configuring the UEIModbus from the command line You will need to configure the IP address and the I O channels you wish to make available to MODBUS TCP masters The IP address must be configured using the serial port The I O channels are configured in the file etc modbusslave conf located on the root file system 2 1 Connecting through the serial port Connect the serial cable to the serial port on the UEIModbus cube and the serial port on your PC You will need a serial communication program e Windows ucon MTTTY or HyperTerminal e Linux minicom or cu part of the uucp package The PowerDNA I O module uses the serial port settings 57600 bits s 8 data bits 1 stop bit and no parity Run your serial terminal program and configure the serial communication settings accordingly Connect the DC output of the power supply 24VDC to the Power In connector on the PowerDNA cube and connect the AC input on the power supply to an AC power source You should see the following message on your screen U Boot 1 1 4 Jan 10 2006 19 20 03 CPU PC5200 v1 2 at 396 MHz us 132 MHz IPB 66 MHz PCI 33 MHz Os Board UEI PowerDNA MPC5200 Layer I2C 85 kHz ready DRAM 128 MB Re2. analog channels using the 64 bit IEEE double precision floating point representation 1 2 1 Digital input output device representation Digital I O devices are always mapped twice e Each individual line is mapped in the Coil for output or Discrete Input for input tables e Each port is mapped in the Holding register for output or Input register for input tables Here is an example for a 12 bit DI layer at dev 2 a United Electronic V Industries The High Performance Alternative UEIModbus User Manual Discrete Input table Physical channel 2001 Input port 0 line 0 2002 Input port 0 line 1 2003 Input port 0 line 2 2011 Input port O line 10 2012 Input port 0 line 11 Input Register table Physical port 2001 Input port 0 1 2 2 Analog device representation Analog input devices are mapped in the input register table and the holding register table Analog output devices are mapped in the holding register table Here is an example for a 16 channels AI layer at dev3 configured to acquire data as simple precision floating point values 32 bits two registers per channel Input Register table Holding Register table Physical channel 3001 3001 channel 0 3003 3003 channel 1 3031 3031 channel 15 Here is an example for an 8 channels AO layer at dev5 configured to use double precision floating point values 64 bits 4 registers per channel
3. the id of the device to configure e NumChannels X the number of counters ports to use first port is always 0 e DataType 1i16li32Iswi321f32lswf321f64lswf64 The data type used to transmit values between the master and the slave i116 16 bits integer 132 32 bits integer swi32 swapped 32 bits integer Upper 16 bits and lower 16 bits are swapped e Mode pulseltrain The mode used to configure the counter to output pulse s pulse will output a single pulse each time a new value is written to the Modbus register train will continuously output pulses e lowticks X The initial number of clock ticks used to specify the low state duration e highticks X The initial number of clock ticks used to specify the high state duration 11 UEIModbus User Manual yN United Electronic Industries vY The High Performance Alternative The following example configures device 2 to output pulses out of ports 0 1 2 3 CO device 2 numChannels 4 dataType i32 mode train lowticks 1000 highticks 1000 12 UEIModbus User Manual a United Electronic Industries vY The High Performance Alternative 3 UElModbus configuration GUI The UEIModbusConf provides a GUI to ease configuration and test of the UEIModbus e Connect the serial cable to the serial port on the UEIModbus cube and the serial port on your PC e Connect the DC output of the power supply 24VDC to the Power In connector on the PowerDNA
4. to acquire temperatures on its first 4 channels don t wrap the line when typing it AI device 2 numChannels 4 inputMode DIFF gain 8 measurementType TC TCType K tempScale C CUCType BUILTIN dataType f32 2 4 2 Configuring an analog output device The configuration line for an analog output device can contain any of the following name value pairs If a parameter is omitted a default value will be used instead It is not case sensitive e Device X the id of the device to configure e NumChannels X the number of channels to use first channel is always 0 e DataType 1i16li32Iswi32If32lswf321f64lswf64 The data type used to transmit values between the master and the slave 32 single precision floating point swf32 single precision floating point Upper 16 bits and lower 16 bits are swapped f64 double precision floating point swf64 double precision floating point Upper 32 bits and lower 32 bits are swapped The following example configures device 0 to generate on its first 4 channels AO device 0 numChannels 4 dataType f32 UEIModbus User Manual A United Flectronic Industries The High Performance Alternative 2 4 3 Configuring a digital input device The configuration line for a digital input device can contain any of the following name value pairs If a parameter is omitted a default value will be used instead It is not case sensitive e Device X the id of the device to configure e NumChannel
5. Channels Data Type Dev4 AI 201 4 Channels i TC type Temp Scale CJC type CJC const lE c Buitn 25 Enable the devices you wish to access Configure the parameters for each selected device Refer to section 2 4 for more informations about device parameters Click on Next gt to test the configured I O channels 16 UEIModbus User Manual y N United Electronig Industries The High Performance Alternative 3 3 Test I O channels Click on Start to start reading from the I O channels using MODBUS TCP protocol tie ae F Automatically start modbus server 3 53330278397 2 52254509926 3 02792406082 2 52300286293 3 02746629715 2 52803850174 2 52300286293 3 03204393387 Check Automatically start modbus server to start MODBUS slave service at boot time Click on Finish to save the changes to the UEIModbus and terminate the configuration program 17
6. UEIModbus User Manual a United Flectronic Industries The High Performance Alternative UEIModbus User Manual 2 1 February 2013 Edition Copyright 2013 United Electronic Industries Inc All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form by any means electronic mechanical by photocopying recording or otherwise without prior written permission UEIModbus User Manual A United Flectronic Industries The High Performance Alternative Table of contents 1 Introd Ucti n ssssssssessssessssssssssessrsesssssevossssssessossessosoesssvssssssssssosssovsssosresit 3 Mel ARG ESM UALS issena sai R E RT Ea 3 1 2 Mapping of PowerDNA I O layers to MODBUS register tables 0 0 0 4 1 2 1 Digital device representation seeseseeesesressreeresresstrererresstssresrensersrerresseeee 4 1 2 2 Analog device representation eseeessesseseesrrssssrestesrrsrrsstesserreesresseseresee 5 2 Configuring the UEIModbus from the command line 000 6 2 1 Connecting through the serial Ot sted csiid sca dnesarudecae Aol eecansitedte redid euiuausdaaeds 6 2 2 Configuring the IP adGress scotestceccscctccecetaccrantese podestachertecleeteetiselvediaasteataeaiaate 7 2 3 Starting Stopping MODBUS slave service eeeseseeesreesreeresrrssrsrresreserseresre 7 24 Configurine VOchannels sccis E E AE 8 2 4 1 Configuring an analog input
7. X the number of counters ports to use first port is always 0 10 UEIModbus User Manual A United Flectronic Industries The High Performance Alternative e DataType 1i16li32Iswi32If32Iswf321f64lswf64 The data type used to transmit values between the slave and the master 116 16 bits integer 132 32 bits integer swi32 swapped 32 bits integer Upper 16 bits and lower 16 bits are swapped e Mode countlquadlperiodlpulsewidth The mode used to configure the counter to measure events quadrature encoder position period or pulse width e Source internallexternal The source signal to count or measure internal uses the on board 66MHz clock external uses the signal connected to the counter s input pin e Gate internallexternal The gate signal to enable disable the counter internal sets the gate automatically when counter starts external uses a signal connected to the counter s gate pin e InputInverted Ol1 Set to 1 to invert the input signal The following example configures device 2 to measure quadrature encoders position connected to ports 0 1 2 3 CI device 2 numChannels 4 dataType i32 mode quad source external gate internal inputinverted 0 2 4 6 Configuring a frequency PWM output device The configuration line for a frequency output device can contain any of the following name value pairs If a parameter is omitted a default value will be used instead It is not case sensitive e Device X
8. cube and connect the AC input on the power supply to an AC power source e Run the UEIModbusConf exe program 13 UEIModbus User Manual United Electronic Industries The High Performance Alternative 3 1 Configure IP address l LePACeNoms Conguin E Serial port IP Address Change IP Address Test IP Address Devices Address Select the host PC serial port connected to the UEIModbus Type the IP address of the UEIModbus Click on Change IP Address to program the new IP address Click on Test IP Address to test the IP address Once the IP address test is successful the list of I O layers installed in the UEIModbus will appear in the Devices list box The button Next gt will also become enabled 14 UEIModbus User Manual United Electronic Industries The High Performance Alternative 15 UEIModbus User Manual y N United Electronic Industries The High Performance Alternative 3 2 Configuring I O channels UEIPAC UEIModbus Configuration uuu p_e Dev0 AI 205 EIR channels Data Type Measurement Mode Gain TC type Temp Scale CJC type 1 ias vy pie o le c Buitin Devi AI 205 l1 Channels Data Type Measurement Mode Gain TC type Temp Scale CJC type 1 fie oie o E c Buitin Dev2 AI 201 Data Type Measurement Mode Gain TC type Temp Scale CJC type ius x v lo 0 le c BuiltIn 13
9. device seseseesseseessrresesressresrisrersersrerreeseese 8 2 4 2 Configuring an analog output device esseseeeseesessreesesresstesresressereresresseese 9 2 4 3 Configuring a digital input device sseseeseeseseseesessereseerersersrrreresrrseerreesee 10 2 4 4 Configuring a digital output device sseseeseseseeseeserererreesresrrsrresrrssrseresee 10 3 UEIModbus configuration GUI esssoseeesssocecssoscoccssooececssoocessssosesee 13 3l Configure IP address cca ase tee es coated acute hantale at E E S 14 3 2 Gonliguring YO channels ssccsesnscnasenna a 16 3 3 Test VO channels snssisisiinsiisirn seisen siia een r EEA EAEE EEEE E 17 UEIModbus User Manual a United Electronic Industries The High Performance Alternative 1 Introduction MODBUS is a messaging protocol developed by Modicon in 1979 used to establish master slave client server communication between intelligent devices It is a de facto standard truly open and the most widely used network protocol in the industrial manufacturing environment Specifications available at http www modbus ida org MODBUS devices communicate using a master slave technique in which only one device the master can initiate transactions called queries The other devices slaves respond by supplying the requested data to the master or by taking the action requested in the query A slave is any peripheral device I O transducer valve network drive or
10. e following command to start the MODBUS slave service etc init d modbusslave start UEIModbus User Manual A United Flectronic Industries The High Performance Alternative Use the following command to restart the MODBUS slave service etc init d modbusslave restart Use the following command to disable automatic start of MODBUS slave service mv etc rce d S40modbusslave etc rce d K40modbusslave Use the following command to enable automatic start of MODBUS slave service mv etc rce d K40modbusslave etc rce d S40modbusslave 2 4 Configuring I O channels The file etc modbusslave conf describes the devices and channels that will be available through the MODBUS protocol Each line starting with is a comment Each line starting with ATI configures an analog input device Each line starting with AO configures an analog output device Each line starting with DI configures a digital input device Each line starting with DO configures a digital output device Each line starting with CI configures a counter input device Each line starting with CO configures a frequency PWM output device You must re start the MODBUS slave service to activate changes made to the configuration file etc init d modbusslave restart 2 4 1 Configuring an analog input device The configuration line for an analog input device can contain any of the following name value pairs If a parameter i
11. lectronic Industries The High Performance Alternative For each of those tables the protocol allows a maximum of 65536 data items to be accessed Itis slave dependent in which data items are accessible by a master Typically a slave implements only a small memory area UEIModbus only implements memory areas big enough to hold the number of channels used on each layer 1 2 Mapping of PowerDNA I O layers to MODBUS register tables Each PowerDNA I O layer is addressed using a device number starting with O for the top layer for the layer below and so on This device number is used to calculate the address of the MODBUS registers associated with each layer by multiplying it by 1000 Device 0 MODBUS registers will start at address 0 Device 1 MODBUS registers will start at address 1000 Device x MODBUS registers will start at address 1000 x Coils and Discrete Inputs registers can only represent one bit They are used to hold the digital output and input line state of digital devices Input and Holding registers can represent 16 bit Each register can represent a digital port or an analog channel raw value for devices of resolution lesser or equal to 16 bits To represent values greater than 16 bits two Input or Holding registers are needed Two registers are also needed to represent the scaled value of analog channels using the 32 bit IEEE floating point representation Four registers are needed to represent the scaled values of
12. other measuring device which processes information and sends its output to the master using MODBUS Masters can address individual slaves or can initiate a broadcast message to all slaves Slaves return a response to all queries addressed to them individually but do not respond to broadcast queries UEIModbus extends the capability of the PowerDNA distributed data acquisition system by turning it into a MODBUS TCP slave that can be accessed by any software client that can act as a MODBUS TCP master Most popular HMI software packages support the MODBUS TCP protocol 1 1 Register tables The MODBUS specification defines four register tables or register maps in which I Os can be read or written Register Classic Name Description Data table representation OXxxx Coils A Ox reference address is used to drive 1 bit Read Write output data to a digital output channel 1xxxx Discrete Read Discrete Inputs The ON OFF status 1 bit Inputs Read of a 1x reference address is controlled by only the corresponding digital input channel 3XXXX Input A 3x reference register contains a 16 bit 16 bits Registers number received from an external source Read only like an analog input signal 4XXXX Holding A 4x register is used to store 16 bits of 16 bits Registers numerical data binary or decimal or to Read Write send the data from the CPU to an output channel UEIModbus User Manual A United E
13. s X the number of ports to use first port is always 0 e DataType 1i16li32Iswi32If32lswf32lf64lswf64 The data type used to transmit values between the slave and the master 116 16 bits integer 132 32 bits integer swi32 swapped 32 bits integer Upper 16 bits and lower 16 bits are swapped The following example configures device 5 to acquire digital signals on its first port DI device 5 numChannels 1 dataType i32 2 4 4 Configuring a digital output device The configuration line for a digital output device can contain any of the following name value pairs If a parameter is omitted a default value will be used instead It is not case sensitive e Device X the id of the device to configure e NumChannels X the number of ports to use first port is always 0 e DataType 1i16li32Iswi32If32Iswf321f64lswf64 The data type used to transmit values between the master and the slave 116 16 bits integer 132 32 bits integer swi32 swapped 32 bits integer Upper 16 bits and lower 16 bits are swapped The following example configures device to generate digital patterns on its first port DO device 1 numChannels 1 dataType i32 2 4 5 Configuring a counter input device The configuration line for a counter input device can contain any of the following name value pairs If a parameter is omitted a default value will be used instead It is not case sensitive e Device X the id of the device to configure e NumChannels
14. s omitted a default value will be used instead It is not case sensitive Device X the id of the device to configure NumChannels X the number of channels to use first channel is always 0 InputMode DIFFIRSE the input mode Gain X the gain 0 for gain of 1 1 for next higher gain and so on For example AI 207 comes with the following gains 1 2 4 8 10 20 40 80 100 200 400 800 Set Gain 6 to configure gain of 40 Gain 7 to configure gain of 80 and so on e MeasurementType VITC the measurement type voltage or thermocouple UEIModbus User Manual A United Flectronic Industries The High Performance Alternative e TCType EVIKISIRITIBINIC the thermocouple type e TempScale CIFIK the temperature scale Celsius Fahrenheit or Kelvin e CJCType BUILTINICONSTANT the cold junction compensation type BUILTIN uses the sensor on the terminal panel CONSTANT uses a constant value e CJCConst X the cold junction compensation temperature to use when CJCType is set to CONSTANT e DataType 1i16li32Iswi32If32lswf32lf64lswf64 The data type used to transmit values between the slave and the master 32 single precision floating point swf32 single precision floating point Upper 16 bits and lower 16 bits are swapped f64 double precision floating point swf64 double precision floating point Upper 32 bits and lower 32 bits are swapped The following example configures device 2
15. serving 349k for U Boot at 07f a8000 FLASH 4 MB In serial Out serial Err serial Net FEC ETHERNET Type run flash_nfs to mount root filesystem over NFS UEIModbus User Manual A United Flectronic Industries The High Performance Alternative Hit any key to stop autoboot 5 Booting image at ffc10000 Image Name Linux 2 6 16 1 Created 2006 11 10 16 07 06 UTC Image Type PowerPC Linux Kernel Image gzip compressed Data Size 917636 Bytes 896 1 kB Load Address 00000000 Entry Point 00000000 Verifying Checksum OK Uncompressing Kernel Image OK id mach done lt lots of kernel messages gt BusyBox v1 2 2 2006 11 03 19 16 0000 Built in shell ash Enter help for a list of built in commands p You can now navigate the file system and enter standard Linux commands such as ls ps cd 2 2 Configuring the IP address Your UEIModbus cube is configured at the factory with the IP address 192 168 100 2 to be part of a private network You can change the IP address for the current session using the command setip lt new IP address gt 2 3 Starting Stopping MODBUS slave service MODBUS TCP request from MODBUS masters are handled by the MODBUS slave service The UEIModbus is pre configured to automatically start the MODBUS slave service at boot time Use the following command to stop the MODBUS slave service etc init d modbusslave stop Use th
Download Pdf Manuals
Related Search