Eaton MTL83*C Modbus Software Manual Download Page 1

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DRAFT - 06 January 2019

MTL83xC Modbus

PC software manual

January 2019
INM MTL83xC PC Modbus Rev 1

Instruction manual

MTL fieldbus networks

Summary of Contents for MTL83*C Modbus

Page 1: ...DRAFT 06 January 2019 MTL83xC Modbus PC software manual January 2019 INM MTL83xC PC Modbus Rev 1 Instruction manual MTL fieldbus networks...

Page 2: ...ii INM MTL83xC PC Modbus Rev 1 DRAFT 06 January 2019 This page left intentionally blank...

Page 3: ...N 8 5 1 Configuration Overview 9 5 2 The MTL838C Tab 10 5 2 1 Communication Protocol 10 5 2 2 Data Format 10 5 2 3 Tag Name 11 5 2 4 RS485 Link 1 Address 11 5 2 5 RS485 Link 2 Address 11 5 2 6 Transmi...

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Page 5: ...the MTL831Cs is Modbus RTU RS485 A separate document covers the MTL838C Modbus implementation INM MTL838C MBF This document covers the operation of the PC software that is used to configure and monit...

Page 6: ...s follows MTL831C Analog transmitter MTL838C Receiver MTL5553 Isolator for hazardous area installations only In order to run a test the following equipment will be required A PC loaded with MTL83xC Co...

Page 7: ...s a Modbus slave It may be connected into any standard Modbus network with up to 31 MTL838C slaves on each network If each unit has its full complement of 32 analog inputs the status of a total of 992...

Page 8: ...a the PC software and then read the configuration parameters stored in the MTL838C via the host The stored parameters could then be re written to the MTL838C should the configuration database ever bec...

Page 9: ...o a set of default values and on entering normal operation mode will issue exception responses when requested by the host to read input values Exception responses will continue to be issued until the...

Page 10: ...r is given which address in the MTL838C For example if only one MTL831C is connected to the MTL838C but its address jumper is installed it will be at transmitter address 2 and the sensor range will be...

Page 11: ...mputer will likely warn about the file setup exe as it is an executable Allow it to Run the file Anti virus software on your computer may also complain about not knowing whether the file is safe or no...

Page 12: ...bottom of the screen Data relevant to the associated piece of hardware is on thatTab For example information specific to the MTL838C is on the MTL838CTab It should be noted however that the configura...

Page 13: ...inute to understand to overall philosophy of the MTL83xC Configurator software To allow offline configuration not being connected to the MTL838C while entering the configuration data we created two fi...

Page 14: ...bus The protocol is selected by using the dropdown Make sure the Modbus protocol is selected and programmed into the unit This is the default value for this field 5 2 2 Data Format Several different f...

Page 15: ...rough 255 and the default value is 1 5 2 5 RS485 Link 2 Address The Modbus address for Link 2 is selected or entered in this field Use the up or down arrows to increment or decrement the number or typ...

Page 16: ...9600 is the default 5 2 9 Line Frequency The line frequency where the MTL83xC system is installed should be correctly selected from this dropdown box It may be either 50 or 60 Hertz The default is 60...

Page 17: ...ions from the MTL831C s or the MTL831C s miss responding to a command 3 times in a row this triggers a Comm re initialization with that MTL831C Hardware Failure Two possible conditions will cause this...

Page 18: ...Off button is not active This means that the configuration is considered valid A configuration becomes invalid when the Data Format on this tab is changed and downloaded to the unit The sign off must...

Page 19: ...TC J Temp no CJC TC N Temp no CJC TC S Temp no CJC TC XK Temp no CJC TC C mV CJC TC J mV CJC TC N mV CJC TC S mV CJC TC XK mV CJC Definitions 2W 2 wire RTD 3W 3 wire RTD 4W 4 wire RTD TC Thermocouple...

Page 20: ...is not valid Open Miswired etc 5 3 7 The CJ Channel The CJ row displays the average temperature of the MTL831C board there are 2 temperature sensors on the board 5 3 8 Moving around the Channel List...

Page 21: ...w it and should always be Good as they are factory calibrated Channel 1 is the only selected channel as it is highlighted blue Now that there is a connected system the Download and Upload buttons are...

Page 22: ...18 INM MTL83xC PC Modbus Rev 1 DRAFT 06 January 2019 Figure 5 Figure 6...

Page 23: ...ed When finished click the blue button to write to the indicated channel Note that if multiple channels are selected when you bring up the Input Calculator only one of them will actually be written to...

Page 24: ...d by their Modbus channel number To make it easier to identify the channel on the physical unit we have put a number in parenthesis under the channel number which corresponds to the physical channel o...

Page 25: ...nfiguration is very useful It allows you to pre configure systems and save that configuration to your computer When the systems are then installed the configuration can be loaded from the computer dis...

Page 26: ...C configurations in When you select Load Configuration the following window appears Using the window features browse to the location of the configuration data you are looking for and select the approp...

Page 27: ...and A Reset MTL838C command not only causes the MTL838C to reset assuming it is successful but it also may reset the connected MTL831Cs If the MTL831Cs are powered by the MTL838C non hazardous install...

Page 28: ...ly recommended to update firmware when a newer version is available NOTE Calibration and configuration data are not disturbed by a firmware update The recommended procedure is to download and save the...

Page 29: ...831C Firmware that contains the same Browse and Update buttons Use the same procedure to select a file and update the MTL831Cs The following window is displayed after selecting the Browse button for u...

Page 30: ...running The latest version will be on the Eaton MTL website at www mtl inst com We recommend using the latest version Download and install from the website The last two options have to do with diagnos...

Page 31: ...unt of the number of measurements received by the MTL838C from the given MTL831C It should be 100 as the MTL838C requests measurements from both MTL831Cs every 100ms The MTL831C 1 TCBO and MTL831C 2 T...

Page 32: ...to a command the MTL838C is the bus master and the command had to be retransmitted After 3 consecutive missed responses the MTL831C is dropped and must go through re initialization if it starts commun...

Page 33: ...packet Cannot send buffer too full Data is put in a buffer while waiting for the UART to transmit to the Modbus Host More data was ready to go in the buffer but there was not room for it This should...

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