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Summary of Contents for APG MNU IS Series
- Page 1 MNU IS Ultrasonic Modbus Sensors User Manual Intrinsically Safe Ultrasonic Modbus Sensor Doc # 9005166 Part #200177 Rev. A, 09/2018...
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Page 2: Table Of Contents
Chapter 3: Programming ....................9 Modbus Programming ........................9 Modbus Programming via Internet with RST-5003 or LOE ............ 9 Modbus Programming with APG Modbus Software .............. 10 MNU IS Modbus Register Lists ....................10-11 MNU IS Modbus Sensor Parameters ..................12-16 MNU IS Web / Independant Modbus Alarm Parameters ..........17-19 MNU IS Modbus Application Parameters ................ -
Page 3: Introduction
Appendix B: MNU IS Barrier Notes .................... 41 Introduction Thank you for purchasing a Series MNU IS Intrinsically Safe Modbus Ultrasonic Sensor from APG. We appreciate your business! Please take a few minutes to familiarize yourself with your MNU IS and this manual. -
Page 4: Warranty And Warranty Restrictions
Warranty and Warranty Restrictions This product is covered by APG’s warranty to be free from defects in material and workmanship under normal use and service of the product for 24 months. For a full explanation of our Warranty, please visit https://www.apgsensors.com/about-us/terms-conditions. -
Page 5: Chapter 1: Specifications And Options
Chapter 1: Specifications and Options • Dimensions 7.21” 183.13mm 3/4” ø NPT Threads 5.08” 129.03mm 2” ø NPT 3.05” Threads 77.47mm 1.47” 37.34mm 1.98” 50.29mm MNU-IS-2424 MNU-IS-2425 MNU-IS-6424 MNU-IS-6425 Housing Option 2 Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • sales@apgsensors.com... -
Page 6: Specifications
• Specifications Performance Operating Range / Transducer Frequency Option 2 - 69 KHz (-20 - 50°C) 1.0 - 25.0 ft. / 12 in. - 300 in. / 305mm - 7620mm Option 6 - 69 KHz (-30 - 60°C) 1.0 - 25.0 ft. / 12 in. - 300 in. / 305mm - 7620mm Digital Output Modbus, via RS-485 Beam Pattern... -
Page 7: Model Number Configurator
• Model Number Configurator Model Number: MNU - IS - _____ _____ _____ _____ - _____ _____ _____ A. Range, Frequency E. Cable C ▲ □ □ Shielded Cable with Flying Leads 1 - 25 ft. (305 - 7620 mm); 69 kHz Transducer† 6 ▲... -
Page 8: Electrical Pinout Table, Power Supply Table, And System Wiring Diagrams
• Electrical Pinout Table, Supply Power Table, and System Wiring Diagrams MNU Series Pinout Table MNU Series Supply Power Table Modbus Modbus 8 - 24 VDC Power Supply 8-24 VDC Black DC Ground Green B (TX-) White A (TX+) Shield Drain Earth Gnd at IS Barrier or Supply IMPORTANT: Some manufacturer’s Modbus equipment uses reversed TX+/TX- pins. - Page 9 Otherwise, wire directly. Otherwise, wire directly. Otherwise, wire directly. USB to computer Equivalent 120 Ω with APG Modbus terminating resistor software internal to RST-6001 MNU IS sensor MNU IS sensor MNU IS sensor Note: An independent +8-24 Vdc...
- Page 10 Modbus System Wiring with RST-5003 and Independent Power Supply Connection to network/Internet Power to RST-5003 can be supplied via 12-24 VDC RST-5003 or POE. If not using POE, use a single power supply Modbus to both the RST-5003 and the MNU ISs. Controller Equivalent 270 Ω...
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Page 11: Chapter 2: Installation And Removal Procedures And Notes
Chapter 2: Installation and Removal Procedures and Notes • Tools Needed • Typical tools for making electrical connections and mounting the sensor are required. If you are using a stand pipe to mount your MNU IS, you may also need tools to install the stand pipe. •... -
Page 12: Electrical Installation
• Open the zip file. • Choose “Install” from the options at the top of the zip file window. • The installation process will prompt you as needed to complete the installation. • The software will create APG_Modbus.exe which will run from a folder in your start menu titled “APG/ APG_Modbus”. • Removal Instructions • Ensure that power to the sensor is off. -
Page 13: Chapter 3: Programming
Chapter 3: Programming • Modbus Programming MNU IS series sensors use standard Modbus RTU protocol (RS-485). The sensors can only operate as slave devices. Sensor default transmission settings are 9600 Baud, 8 Bits, 1 Stop Bit, No Parity, and require a minimum delay of 200-300 ms between transactions to return the contents of all registers. -
Page 14: Modbus Programming With Apg Modbus Software
• Modbus Programming with APG Modbus Software APG Modbus software can be used in tandem with an APG RST-6001 Modbus Controller to program and control up to 20 MNU IS sensors. Through the APG Modbus software, you can monitor the raw readings from the sensor, or configure the sensor. See MNU IS Modbus Register Lists below. - Page 15 0 - 1,000,000 (mm) 40187 QuickMode Resample Non-Zero Number 40201 Reset to Factory Defaults *These registers are not used by the MNU IS, even though they are labeled in the APG Modbus software. Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • sales@apgsensors.com...
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Page 16: Mnu Is Modbus Sensor Parameters
• MNU IS Modbus Sensor Parameters 40401 - Units Determines the units of measure for the calculated reading when Application Type is set to 0, 1, or 7. 1 = Feet 2 = Inches 3 = Meters 40402 - Application Type Determines the type of calculated reading performed by the sensor. - Page 17 40405 - Maximum Distance Sets the distance (beginning from the Zero Point) to the point where the sensor will stop looking for target signals. Targets detected beyond the Maximum Distance value will be ignored by the sensor. Maximum Dis- tance + Offset (Holding Register 40417) cannot exceed the sensor’s maximum operating range (see Operat- ing Range / Transducer Frequency in Specifications, page 2).
- Page 18 40410 - Blanking Sets the blanking distance, which is the zone from the Zero Point of the sensor to the point from which the first echo will be accepted. While blanking distance can be used to ignore unwanted targets--such as welds, seams, pipe fittings, or gaskets--between the sensor and the closest acceptable target level, such objects generally create additional reflections and echoes, which are hard to filter out. More often, blanking distance is used for a sensor installed in a stand pipe. NOTE: Increases in Pulses (40409) may require increased Blanking (40410). ...
- Page 19 40414 - Out of Range Sets the number of consecutive samples outside the Filter Window (Holding Register 40413) necessary to automatically adjust the current reading and move the Filter Window. 40415 - Sample Rate Sets the time delay between samples taken by the sensor (50 - 1000 ms). While shorter time delays allow for quicker sensor response times to changing levels, longer sample rate delays reduce the likelihood of echo- based false positives.
- Page 20 40421 - QuickMode Sets the number of samples to average for quick distance reading on power up or QuickMode Resample (0 = Off, 1 - 99 = number of samples to average). Unaveraged samples can be read from Register 30500 - 30598. See QuickMode Operation and Notes on page 25-27. 40422 - QuickMode Delay Specifies the length of delay, in number of milliseconds, before the sensor begins taking QuickMode samples. This delay includes the time needed to power up the sensor. Power up takes 250 ms, so a QuickMode Delay setting of 250 will result in samples starting immediately after the power up time.
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Page 21: Mnu Is Web / Independant Modbus Alarm Parameters
MNU IS senors do not have physical, or electronic, trip outputs. Via LOE or RST-5003 web-enabled devices, Holding Registers 40430 - 40435 can be configured to create outputs in Input Registers 30309 and 30310 that will trigger alarms through web interfaces. These registers can also be configured/monitored via RS-485 Modbus programming, but APG Modbus software cannot be used to generate such alerts or alarms. 40430 - Trip 1 Value 40433 - Trip 2 Value Sets the distance (0 - 15,250 mm) to the trip position closest to the sensor face. - Page 22 Trip Condition _0 - Near Near activates the trip status whenever the target surface is closer than the Trip Value setting. Trip Condition TRIP TRIP _1 - Exclusive VALUE WINDOW Exclusive activates the trip status whenever the target surface is closer than the Trip Value setting OR beyond the Trip Value + Trip Window setting.
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Page 23: Mnu Is Modbus Application Parameters
Trip Condition _6 - N/A Trip Condition _7 - Loss of Echo Loss of Echo activates the trip status whenever no target is detected within the Maximum Distance (Holding Register 40405). Trip Condition _8 - N/A Trip Condition _9 - Rate of Change Rate of Change activates the trip status whenever a user-defined maximum rate of level change (change in distance or level divided by elapsed time) is exceeded. Trip Value (Holding Register 40430 or 40433) defines the distance and Trip Window (Holding Register 40431 or 40434) defines the time. - Page 24 Application 1 - Depth of Level Register Function Value Range 40400 Device Address 1 to 247 40401 Units 1 = Feet, 2 = Inches, 3 = Meters 40402 Application Type 40403 Volume Units 40404 Decimal (Calculated) 0 - 3 40405 Max Distance Less than Empty Distance 40406...
- Page 25 Application 3 - Volume of Standing Cylindrical Tank ± Conical Bottom Register Function Value Range Diameter 40400 Device Address 1 to 247 40401 Units 40402 Application Type 40403 Volume Units 1 - 7 40404 Decimal (Calculated) 0 - 3 40405 Max Distance Less than Empty Dist.
- Page 26 Application 5 - Volume of Horizontal Cylindrical Tank ± Hemispherical Ends Register Function Value Range 40400 Device Address 1 to 247 40401 Units 40402 Application Type 40403 Volume Units 1 - 7 40404 Decimal (Calculated) 0 - 3 40405 Max Distance Less than Empty Dist.
- Page 27 Application 7 - Pounds (Linear Scaling) Register Function Value Range 40400 Device Address 1 to 247 40401 Units 1 = Feet, 2 = Inches, 3 = Meters 40402 Application Type 40403 Volume Units 40404 Decimal (Calculated) 0 - 3 40405 Max Distance Less than Empty Dist.
- Page 28 Application 10 - Volume of Horizontal Oval Tank Register Function Value Range 40400 Device Address 1 to 247 40401 Units 40402 Application Type 40403 Volume Units 1 - 7 40404 Decimal (Calculated) 0 - 3 40405 Max Distance Less than Empty Dist. 40406 Full Distance Typ.
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Page 29: Chapter 4: Quickmode Operation And Notes
Chapter 4: QuickMode Operation and Notes • QuickMode Description When a sensor with QuickMode enabled is turned on, it powers up (250 ms), waits a user-specified set amount of time (as few as 0 milliseconds), takes a prescribed number of measurements, averages them, then sets the output reading and sends an unprompted report to the Modbus network. The sensor then goes into a low-power waiting state, from which it can be prompted to take another QuickMode reading, or powered off. -
Page 30: Quickmode Communication Notes
• QuickMode Communication Notes The communication packet includes: sensor Model Type (30299), Raw Distance/Level Reading (30300), pulse width (Signal Strength 30307, lower byte), Temperature Reading in C° (30302), and Calculated (raw) (30303-30304). The communication packet is unrequested (i.e., it is not part of standard communication). The master device must be set to listen for the response. -
Page 31: Using Quickmode
• Using QuickMode To successfully use QuickMode: • Ensure that your Modbus Master is set up to listen for and receive the response packet after initiating QuickMode. • Ensure that your MNU IS settings are optimized for the installation (Sensitivity, Pulses, Pulse Power, etc). -
Page 32: Quickmode Timing Example
• QuickMode Timing Example The following QuickMode example shows how to calculate the approximate amount of time from powering on an MNU IS sensor until the first reading is reading is written in Input Register 30300. Register settings for this QuickMode example: • Max Distance (40405): 4572 mm • Pulses (40409): 5 (pulses per sample) • QuickMode Delay (40422): 0 (milliseconds) •... -
Page 33: Chapter 5: Maintenance
Chapter 5: Maintenance • General Care Your MNU IS ultrasonic sensor is very low maintenance and will need little care as long as it was installed correctly. However, in general, you should: • Avoid applications for which the sensor was not designed, such as extreme temperatures, contact with incompatible corrosive chemicals and fumes, or other damaging environments. -
Page 34: Troubleshooting
• Troubleshooting Should you have problems with your MNU IS, here are some troubleshooting steps. • If your MNU IS sensor is not communicating, try reversing the connection of the A and B Modbus wires from the sensor into your control system/Modbus Network. •... -
Page 35: Chapter 6: Hazardous Installation Drawing And Certification
Chapter 6: Hazardous Installation Drawing and Certifications • Hazardous Installation Drawing Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • sales@apgsensors.com... -
Page 36: Csa Certificate Of Compliance
• CSA Certificate of Compliance Certificate of Compliance Certificate: Master Contract: 237484 70118144 Project: Date Issued: 70191110 2018-08-14 Issued to: Automation Products Group Inc 1025 West 1700 North Logan, Utah 84321 Attention: Scott Hutchins The products listed below are eligible to bear the CSA Mark shown with adjacent indicators 'C' and 'US' for Canada and US or with adjacent indicator 'US' for US only or without either indicator for Canada only. - Page 37 Certificate: Master Contract: 237484 70118144 Project: Date Issued: 2018-08-14 70191110 4-79 in. (12mm, 143Khz piezo-transducer) 1-25 ft. (30mm, 69Khz piezo-transducer) 6-144 in. (19mm, 90Khz piezo-transducer) 5-144 in. (19mm, 81Khz piezo-transducer) Configurator code “c” represents the housing option. Configurator code Option Description c –...
- Page 38 Certificate: Master Contract: 237484 70118144 Project: Date Issued: 2018-08-14 70191110 UL 60079-0: 2013 Standard for Safety – Explosive Atmospheres – Part 0: Equipment – General Requirements, Ed. 6 UL 60079-11:2014 Standard for Safety – Explosive Atmospheres – Part 11: Equipment Protection by Intrinsic Safety “I”, Ed. 6 MARKINGS The manufacturer is required to apply the following markings: •...
- Page 39 Certificate: Master Contract: 237484 70118144 Project: Date Issued: 2018-08-14 70191110 Supplement to Certificate of Compliance Certificate: Master Contract: 237484 (237484) 70118144 The products listed, including the latest revision described below, are eligible to be marked in accordance with the referenced Certificate. Product Certification History Project Date...
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Page 40: Ec Declaration Of Conformity
• EC Declaration of Conformity Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • sales@apgsensors.com... -
Page 41: Iecex Certificate Of Conformity
• IECEx Certificate of Conformity Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • sales@apgsensors.com... - Page 42 Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • sales@apgsensors.com...
- Page 43 Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • sales@apgsensors.com...
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Page 44: Appendix
Parameter 4 40444-40445 Parameter 5 40187 QuickMode Resample 40201 Reset to Factory Defaults *These registers are not used by the MNU IS, even though they are labeled in the APG Modbus software. Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • sales@apgsensors.com... -
Page 45: Appendix B: Mnu Is Barrier Notes
Below is an example of using two barriers, and their resultant entity parameters, which together meet CSA’s requirements for use with the MNU IS. IMPORTANT: Case ground of IS barrier(s) must be connected to Equipment Ground on supply side. 24 VDC Barrier (APG P/N 200187) Barrier Specifications Entity Parameter Requirements Line Voltage... - Page 46 Automation Products Group, Inc. Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • sales@apgsensors.com...
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