Adamczewski AD-MM 400 Manual Download Page 23 | Manualshive

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Master/Slave mode can be used to determine whether the AD-MM 400 is acting as
master or slave on Modbus.
With ’RS-485 slave address’, the slave address of the AD-MM 400 can be determined
in slave mode. In the master mode, this parameter has no meaning.

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Summary of Contents for AD-MM 400

Page 1: ...Digital Indicator AD MM 400 Manual Version 1 1 2016 07 27 ...

Page 2: ... Block Diagram 8 3 5 Display and Controls 8 4 Specifications 10 4 1 RS 485 interface 10 4 2 Supply 10 4 2 1 AC Supply 10 4 2 2 DC Supply 10 4 3 Case 11 4 4 Ambient Conditions 11 4 5 EMC Safety Regulations Product Standard 11 4 6 Galvanic Isolation Test Voltages 12 5 Assembly and Commissioning 13 5 1 Electrical Connection 13 5 2 Commissioning the device 13 6 Configuration 14 6 1 Operating modes 14 ...

Page 3: ... 7 4 Data types 24 7 5 Supported Functions 25 7 5 1 Read Holding Registers 25 7 5 2 Write Multiple Registers 25 7 6 Exception Codes 26 8 Wiring diagrams 27 8 1 RS 485 27 8 2 Terminal assignment 28 9 Appendix 29 9 1 Glossary 29 9 2 Maintenance 29 9 3 Malfunction 29 9 4 Revisions 29 9 5 Addresses 30 3 ...

Page 4: ...subsequent owner or user of the product 1 1 Structure of warnings WARNING Warning Note Please refer to the documentation This symbol is intended to warn you of possible dangers that may occur during installation commissioning and use Here are measures to avoid the danger DANGER Hazard Statement Danger of injury or serious injury Before starting work switch the system and the device free of stress ...

Page 5: ...ns On the prod uct lead to considerable safety risks and are eliminated Security reasons prohibited For damages resulting therefrom or for damages Adamczewski elektronische Messtechnik GmbH is not liable for unauthorized use Faults which can affect the safety are immediate remove The installer must give the operator the operating instructions make available Installer and operator must provide the ...

Page 6: ...Changes to the product Unauthorized modifications to the product can lead to malfunctions Prohibited for safety reasons 2 6 Use of spare parts and accessories The product can be replaced by the use of unsuitable spare parts and accessories to be damaged Please use only original spare parts and accessories Manufacturer 2 7 Disclaimer For damage and consequential damage caused by non observance of t...

Page 7: ...combined in the displays as desired As a Modbus slave the AD MM 400 displays data it receives via the interface from a Modbus master Again the displays are freely configurable 3 1 Properties Display and control unit for the front door installation Display via graphical TFT display RS 485 interface Modbus RTU Operation as Modbus master or Modbus slave possible Modifiable slave address when operatin...

Page 8: ...rameterization adapter for USB 3 4 Block Diagram RS 485 uC TFT Display AD PC Figure 3 1 Blockdiagram of the AD MM 400 3 5 Display and Controls The AD MM 400 has a color TFT display for displaying the data and three buttons for operation and configuration Short and long keystrokes are evaluated differently 8 ...

Page 9: ...functions are separated by Key Up Scroll up increment number Key Up long Switch from manual to autoscroll display mode Key Down Scroll down decrement the digit Key Down long Switch from manual to autoscroll display mode Key Set Confirm the entry Key Set long Switch from display mode to menu and back cancel current entry 9 ...

Page 10: ...two ends of the bus line must be terminated with a resistance of 120 Ω Description Value Unit Norm RS 485 Baudrate 19200 Baud Data bits 8 Stopbits 1 Parity even Protocol Modbus RTU Max Cable length 12001 m 1 This is only a guideline The actual line length may vary depending on cable quality and interference on the transmission path down or up 4 2 Supply 4 2 1 AC Supply Description Min Rated Max Un...

Page 11: ...ion degree 2 Protection class II 1 Ambient temperature 0 20 50 C Transport and Storage 10 70 C 1 No Protective Conductor 4 5 EMC Safety Regulations Product Standard Description Value Unit Discharge static electricity IEC 61000 4 2 Electromagnetic fields 1 IEC 61000 4 3 Fast Transients Burst IEC 61000 4 4 Surge voltages Surge IEC 61000 4 5 Conducted RF Signals IEC 61000 4 6 Interference emission EN...

Page 12: ...4 6 Galvanic Isolation Test Voltages Description Value Unit Auxiliary Voltage to RS 485 4 kV 1 min 12 ...

Page 13: ...dous to contact Disconnect mains voltage and secure against restarting Ensure contact protection of the connections Protect all connections from electrostatic discharge 5 2 Commissioning the device Disconnect the power supply Check tension free Mount the unit Supply and RS 485 Turn power on Configure device See Chapter 6 for details Check function 13 ...

Page 14: ...1 1 AD MM 400 as Modbus Master In this operating mode the AD MM 400 automatically reads the value for each display line of a display from the holding register of a slave The display lines are configured independently of the display and can be freely assigned to one or more displays Values of different slaves can thus be combined and displayed on a display The picture shows the basic arrangement AD...

Page 15: ... devices use the same settings 19200 baud 8 data bits even parity 1 stop bit 5 Determine the desired display lines by entering the required data per display line in the configprogram as shown in the figure The parameters are essentially self explanatory and explained in detail in the chapter 6 2 2 Unused display lines do not need to be edited Figure 6 2 Configure the lines of the AD MM 400 with th...

Page 16: ...eter of all unused displays to the Do not display value to skip these screens when scrolling 6 1 2 AD MM 400 as Modbus slave In this operating mode the AD MM 400 receives the values to be displayed from an external Modbus master e g A PLC or a PC The configuration of the displays is similar to that described in 6 1 1 16 ...

Page 17: ...y lines and displays is exactly the same as in the master operating mode 5 The AD MM 400 now behaves like any other Modbus slave Modbus function 16 Write Multiple Registers can now write data to the configured registers Details on data formats and data transfer can be found in chapter 7 6 2 Parameters The following is a reference to the parameters that can be modified with the Configu ration Softw...

Page 18: ...nzeige 10 up down down up Figure 6 5 scroll through the views A view contains a title line and can contain one to four lines of data The following illustrations show the display of one to four line displays on the display A line can be seen as a logical unit which can represent a numerical value in various ways The height of the row depends on the number of rows to display 18 ...

Page 19: ...Titelzeile Anzeigezeile1 H Figure 6 6 single line displaylayout Titelzeile Anzeigezeile1 Anzeigezeile2 H H Figure 6 7 two line displaylayout 19 ...

Page 20: ...elzeile Anzeigezeile1 Anzeigezeile2 Anzeigezeile3 H H H Figure 6 8 three line displaylayout Titelzeile Anzeigezeile1 Anzeigezeile2 Anzeigezeile3 Anzeigezeile4 H H H H Figure 6 9 four line displaylayout 20 ...

Page 21: ...the number of rows displayed in this view The Display parameter determines whether a display is displayed or not The indices of the display lines to be displayed are determined with Display line1 Display line4 6 2 2 display lines A display line can currently display numeric values only as a numeric display Other types of presentation such as bar charts or time charts are planned Numeric Values Dis...

Page 22: ...ation 1 X 2 XX 2 X XX 2 X XXX 2 X XXXX 2 X AUTO 3 Bar chart 4 Time chart 4 Label 1 0 10 Character Unit 1 0 6 Character 1 The exemplary data of the AD LU 30 GT are not shown because of the better overview 2 Numerical representation with the number of decimal places selected 3 Numerical representation with automatic determination of the decimal places 4 Planning 6 2 3 device functions General or sup...

Page 23: ...e used to determine whether the AD MM 400 is acting as master or slave on Modbus With RS 485 slave address the slave address of the AD MM 400 can be determined in slave mode In the master mode this parameter has no meaning 23 ...

Page 24: ...g the slave address If the AD MM 400 is operating in slave mode the slave address can be changed with the Configuration Software AD Studio The slave address is not relevant as a Modbus master INFO Confirmation of the slave address The slave address is not accepted until the AD MM 400 is re booted 7 3 Data format All data larger than one byte is sent in the Big Endian format according to Modbus spe...

Page 25: ...ing is correct the slave responds with the number of bytes and the registers requested Slave Function Number Bytes Reg0 High Reg0 Low Reg1 High Reg1 Low CRC Low CRC High 1 0x03 4 0x00 0x00 0x00 0x00 In the event of an error the slave responds with an error message Slave Error Code Exception CRC0 CRC1 1 0x83 see 7 6 7 5 2 Write Multiple Registers This function is used to write one or more registers...

Page 26: ...ave Error Code Exception CRC Low CRC High 1 0x90 see 7 6 7 6 Exception Codes In the event of an error the AD MM 400 will respond with a Error telegram and one of the following exception codes As The function code is returned with 0x80 1 0x01 The Modbus function is not supported 2 0x02 The register address does not exist 3 0x03 The data is invalid 26 ...

Page 27: ...RS 485 with several subscribers ITr A twisted shielded cable must be used as a bus cable IDv Passive spur lines must be as short as possible Masse The ground connection of all bus nodes must be connected to each other and connected to the end of the bus if possible at the bus master LT The bus line must be terminated at both ends with terminating resistors of 120 Ohm between lines A and B 27 ...

Page 28: ...Plug terminal Function M1 1 RS 485 A M1 2 RS 485 B M1 3 RS 485 Masse M4 1 Power supply AC1 DC M4 2 Power supply AC2 DC M6 3mm jack for VarioPass M1 M6 M4 3 2 1 1 2 Figure 8 2 Terminal assignment of AD MM 400 View from back 28 ...

Page 29: ...l unit remote control terminal Representation of binary data in machine readable form only AD PC Serial data connection of the manufacturer Adamczewski elektronische Messtech nik GmbH from the device to the programming adapter VarioPass Sources 1 Wikipedia 9 2 Maintenance During proper operation of the AD MM 400 this is maintenance free The device may only be repaired by the manufacturer in case o...

Page 30: ...ct wishes or suggestions please contact the manufacturer of the product Adamczewski elektronische Messtechnik GmbH Felix Wankel Strasse 13 74374 Zaberfeld Phone 497046 875 Telefax 497046 7678 E Mail info ad messtechnik de Internet www adamczewski com 30 ...

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