Mailing and shipping address Mailing and shipping address MTS Systems Corporation MTS Sensors Technology Corporation Sensors Division 737 Aihara-cho, Machida-shi 3001 Sheldon Drive Tokyo 194-0211, Japan Cary, North Carolina, 27513, USA Technical support and applications Customer service Tel.: +81-42-775-3838...
Modbus Interface Manual LP Series FOUNDATION™ fieldbus 2. Terms and definitions An all digital, serial, two-way communications system that serves as the base-level network in a plant or factory automation environment. Developed and administered by the fieldbus FOUNDATION™. 6A Heavy Oils ‘Generalized Crude Oils’, Correction of Volume to 60 °F against API Gravity.
Page 5
Modbus Interface Manual LP Series Strap Table A table of measurement correlating the height of a vessel to the volume Mass that is contained at that height. The transmitter can contain up to 100 The property of a body that causes it to have weight in a gravitational points.
Modbus Interface Manual LP Series Change the address to one that is suitable for the installation 3. Introduction network. Verify proper operation of product, interface floats, and/or 3.1 Purpose and use of this manual temperature. Turn off power to the transmitter. Before starting the operation of the equipment read this documentation Remove data lines.
Modbus Interface Manual LP Series 6.3 Menu Structure Note: Whenever program mode is exited from the display the unit will reset • Data From Device itself to insure all changes have been accepted. The reset will take Display approximately 5 seconds before the level transmitter is able to respond ...
Modbus Interface Manual LP Series 8. Error Codes (Faults) Fault Description Corrective Action Code Fault Description Corrective Action DAC Fault 3 Cycle power to sensor. If proper operation Code is not restored, Contact Factory. Missing • Verify Float Configuration is correct for the DAC Fault 4 Cycle power to sensor.
Modbus Interface Manual LP Series 9.1.2 Home screen 9.1 LP Dashboard The Modbus implementation for the digital transmitter conforms to the ‘Modicon Modbus Protocol Reference Guide, PIMBUS-300 Rev. G’ available from Modicon, Inc. The information provided below assumes familiarity with the Modbus protocol as outlined in this reference guide. All information provided applies to Modbus RTU protocol only.
Modbus Interface Manual LP Series 9.1.3 Configuration Baud Rate: Allows the end user to select the desired baud rate. Default setting is 4800. Display Setting: Allows the end user to configure the display. Available options are level or volume. Default setting is level. Volume Enable: Allows the end user to turn ON and OFF the volume calculation of the LP-Series.
Modbus Interface Manual LP Series 9.1.5 Level settings (Cont.) 9.1.6 Temperature settings Factory Set: Method – Enter Level Offset: a calibration method that directly changes the offset of the level measurement. The offset is the zero reference point used in determining the level output. Do not use without Factory guidance.
Modbus Interface Manual LP Series Sphere Offset: an offset value that should be added to the volume 9.1.7 Volume settings calculation of the sphere based on tank geometry. Entries: allows the user to select how many strapping tables entry points to use. Maximum is 200. Export Table: allows the user to export the strapping table from the level transmitter.
Modbus Interface Manual LP Series 9.1.9 Save settings 9.2 Programming the display The display diagram is shown in section 6.2. The display menu structure is shown in section 6.3. This section of 9.3 explains the details of the programming available under the different sections of the display. The factory password for entering the display is 27513.
Modbus Interface Manual LP Series 9.2.3 Factory (Cont.) 9.3 Modbus function codes SARA Blanking Communication parameters: Initial blanking distance from the head of the level transmitter. Do not change. Modbus: 4800 BAUD or 9600 8, N, 1 (Reference) Monitor: Modbus RTU Variable BAUD Rate 8, E, 1 Magnet Blanking Blanking distance between two floats.
Page 15
Modbus Interface Manual LP Series 9.3 Modbus function codes (Cont.) Error code 03 (Illegal Data Value) Reported when: Note: » Function 03 or 04 is requested and the number of data points is greater than 800. The communications event log is not supported. The “Query data” field is irrelevant (normally, FF00H would clear the log).
Modbus Interface Manual LP Series 9.4 Modbus register maps Modbus Data Data Notes Register Address Description ‡ denotes duplicate Modbus Data Data Notes register Register Address Description ‡ denotes duplicate 30031 0030 Temperature Cor- 11, Page 19 register rection Method High Word 30001 0000...
Page 17
Modbus Interface Manual LP Series 9.4 Modbus register maps (continued) Modbus Data Data Notes Register Address Description Modbus Data Data Notes ‡ denotes duplicate Register Address Description register ‡ denotes duplicate 30212 Temperature 4 High register Word (x10000) 30056 0055 Resets the EEPROM data to factory 30213...
Page 18
Modbus Interface Manual LP Series 9.4 Modbus register maps (continued) Modbus Data Data Notes Register Address Description Modbus Data Data Notes ‡ denotes duplicate Register Address Description register ‡ denotes duplicate 30267 Volume Calculation 21, page 20 register Error Status ‡ 30243 MASS Low Word ‡...
Page 19
Modbus Interface Manual LP Series 9.4 Modbus register maps (continued) Modbus Data Data Notes Register Address Description ‡ denotes duplicate Modbus Data Data Notes register Register Address Description ‡ denotes duplicate 31124 1123 Temperature Average register High Alarm Low (x 100) 30293 Temperature 25 Low Inactive...
Modbus Interface Manual LP Series 10. NVSP = Net Standard Volume of Product 9.5 How units are used Registers that are read or preset are done so using the current unit 11. Temperature Correction Method type’s programmed unit. There are five methods to choose from: 1 = (6A) Heavy Oils For example: 2 = (6B) Light Oils...
Page 21
Modbus Interface Manual LP Series 23. Temperature Units 9.6 Modbus Register Map Notes (cont‘d.) The value for temperature units can be one of the following codes: 19. Alarm/Status bit definitions 0 = Celsius D1 Interface Alarm High 1 = Fahrenheit D2 Interface Alarm Low D3 Product Alarm High 24.
Modbus Interface Manual LP Series 30. Interface High Alarm MASS = NSVP x DENSITY The mass of the product (MASS) is equal to the net standard The value for which the Interface cannot be >=. Make sure the value is programmed in the current Alarm Units type. volume of the product (NSVP) multiplied by the density of the (See Note 29) prod uct (DENSITY) programmed by the user.
Page 23
Modbus Interface Manual LP Series Valid temperature range Valid TEC ranges 0 to +300.0 °F 0 to 40.0 °API 0 to +250.0 °F 40.1 to 50.0 °API 0 to +200.0 °F 50.1 to 85.0 °API Table 3: 6B light oils Valid temperature range Valid TEC ranges 0 to +300.0 °F...
Need help?
Do you have a question about the Level Plus LP Series and is the answer not in the manual?
Questions and answers