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Chapter 3. Wiring Instructions

12

DewPro® MMR30 Installation & Operation Manual

3.3

Mounting in Normal Environments

A standard two-wire, stranded cable (shown in Figure 11 below) can be used to interconnect the DewPro with the
power source.

Figure 11: Standard Cable for Use with DewPro

3.4

Mounting in Environments with Severe Electrical Noise

The DewPro MMR30 meets the EMC requirements of IEC 61326 for equipment used in industrial locations. The MMR30
passed all tests to the standards IEC 61000-4- to the performance criterion A. Test details appear in Chapter 6,

Specifications

.

Figure 12: DewPro with Shielded Signal Cable

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Содержание DewPro MMR30

Страница 1: ...panametrics com Moisture A40251524 Rev B July 2020 DewPro MMR30 Installation Operation Manual...

Страница 2: ......

Страница 3: ...e registered trademarks of Baker Hughes Company and its subsidiaries in one or more countries All third party product and company names are trademarks of their respective holders DewPro MMR30 General...

Страница 4: ...ii no content intended for this page...

Страница 5: ...onditions are met for each installation The safety of any system incorporating the equipment is the responsibility of the assembler of the system Auxiliary Equipment Local Safety Standards The user mu...

Страница 6: ...he equipment that you bought has required the extraction and use of natural resources for its production It may contain hazardous substances that could impact health and the environment In order to av...

Страница 7: ...ration 11 3 3 Mounting in Normal Environments 12 3 4 Mounting in Environments with Severe Electrical Noise 12 3 5 Electrical Connection 13 3 6 General Instructions 13 Chapter 4 Optional Display User I...

Страница 8: ...Contents iv DewPro MMR30 Installation Operation Manual...

Страница 9: ...a clean work area and unpack The carton you receive should contain DewPro MMR30 Installation and Operation Manual Calibration certificate 1 1 2 Checking the Model Number Compare the model number on t...

Страница 10: ...ral display user interface S Other 1 2 Introduction 1 2 1 Unit Description The DewPro MMR30 shown in Figure 2 below is a loop powered mid range moisture transmitter The transmitter includes a sensor e...

Страница 11: ...ewPro eliminates costly hardware associated with traditional sampling methods The DewPro installs easily into the process with its G or NPT M threaded connection 1 3 3 Polymer Sensor The sensing eleme...

Страница 12: ...g location which allows enough clearance for the use of tools Figure 3 below shows installation dimensions for a standard DewPro while Figure 4 below shows the dimensions for a DewPro with the optiona...

Страница 13: ...ssurize it for removal from the process pipe in case of maintenance CAUTION Do not over tighten The outlet fitting is connected to the bypass block with a G 1 4 straight thread with gasket which will...

Страница 14: ...ss with an orifice the sensor monitors the dewpoint at process pressure The bleed off air to the atmosphere at 7 to 8 bar 100 psig is approximately 70 cc min 4 l h or 0 14 cfh For smaller sized dryers...

Страница 15: ...Pro bypass This may not be typical for dryer applications The dew point reading will be lower since the water vapor pressure is reduced by the factor of the pressure drop across the inlet orifice In t...

Страница 16: ...triction Closed loop systems with dew points 15 C may operate at a low pressure The air passing through the DewPro bypass is fed back to the main stream after a pressure drop in the main line In this...

Страница 17: ...Installation In some cases there may not be enough room to install the DewPro directly to the process pipe The tube connection at the inlet allows mounting the DewPro at a remote location as shown in...

Страница 18: ...a plate or a pipe using a bracket available from Panametrics as shown in Figure 9 below 6 50 in 165 mm 2 76 in 70 mm 4 45 in 113 mm 3 23 in 82 mm 4 45 in 113 mm 2 95 in 75 mm 0 79 in 20 mm 4 45 in 11...

Страница 19: ...the DewPro Figure 10 Power Supplies and Displays for DewPro 3 2 1 Designing the Loop If users provide their own power supply the voltage at the terminal of the DewPro should not fall below 12 VDC The...

Страница 20: ...Pro with the power source Figure 11 Standard Cable for Use with DewPro 3 4 Mounting in Environments with Severe Electrical Noise The DewPro MMR30 meets the EMC requirements of IEC 61326 for equipment...

Страница 21: ...ble gland to meet IP67 and to relieve any stress on the wire 5 Verify that a voltage between 12 and 28 V DC is across the terminals marked and Note This is the voltage that appears across the DewPro t...

Страница 22: ...Chapter 3 Wiring Instructions 14 DewPro MMR30 Installation Operation Manual no content intended for this page...

Страница 23: ...o with Display Assembly 4 1 1 DewPro with Display Assembly 1 Unscrew and remove the protective window lid from the top of the DewPro as shown in Figure 14 above exposing the display module below The b...

Страница 24: ...Pro MMR30 continuously shows the current matrix location using the vertical V and horizontal H coordinates to designate the row and column respectively The bar graph represents the output current in a...

Страница 25: ...nterface Loop 2 Hardwar e Calibrati on V7 Access Key V8 Input Locking 50 Unlock Misc Setup V9 Display Present Error Previous Error Unit ID Softwar e Version Reset to Defaults 50 Rese t System Reset 50...

Страница 26: ...oceed to any part of the matrix 4 3 Special Functions of the Push Buttons 1 Reset to Normal Display Pressing the V and H buttons simultaneously returns the user to VH 00 normal display 2 Display Only...

Страница 27: ...utput ranging or unit selection Entering the value 50 in this location unlocks the matrix Any other value locks the matrix Default 0 2 System Reset Table 4 Location in Matrix Description of Function V...

Страница 28: ...s the position of the present value within the range programmed for the selected unit of measure 2 Select Unit of Measure for Display Table 8 Location in Matrix Description of Function VH 01 This loca...

Страница 29: ...Humidity 4 20 mA Output 1 Range of Humidity Values Assign any value to 4 and 20 mA to establish desired output range Table 11 Location in Matrix Description of Function Default Values VH 12 C dewpoint...

Страница 30: ...ation to return the output to normal operation Note If the matrix input is locked VH 89 the calibration values are displayed but the current output is unaffected 4 4 4 Temperature Measurement Function...

Страница 31: ...on displays 0 During normal operation it is possible for the humidity channel to be in error yet have a temperature channel read correctly It is also possible for the temperature to be in error but ha...

Страница 32: ...mperature 40 C Output on CH 2 less than 4 mA Output on CH 2 greater than 20 mA 2 To calculate the moisture error code take the remainder of the previous division the digit s after the decimal point an...

Страница 33: ...10 7 0111 8 1000 9 1001 10 1010 11 1011 12 1100 13 1101 14 1110 15 1111 Example 1 Error Code 1 1 1 16 0 0625No temperature error 2 0 0625 x 16 1Moisture error code 1 3 Error Code Bit Map 0 1 0000 0001...

Страница 34: ...Chapter 4 Optional Display User Interface 26 DewPro MMR30 Installation Operation Manual no content intended for this page...

Страница 35: ...or several minutes If the error remains the cause may be a defective sensor assembly or an electronics malfunction Consult the factory IMPORTANT There is no current IMPORTANT Check the voltage and pol...

Страница 36: ...Chapter 5 Troubleshooting 28 DewPro MMR30 Installation Operation Manual no content intended for this page...

Страница 37: ...bar 100 psig Approximately 28 l h 1 cfh volume related to atmospheric pressure 6 1 7 Maximum Operating Pressure 17 bar 1 7 MPa 250 psia 6 1 8 Output Loop current 4 to 20 mA 16 A resolution 6 1 9 Flow...

Страница 38: ...ection for fault conditions 6 3 EMI RFI Performance Criterion A 1 Conducted Emission Test as per CISPR 11 Class A 2004 2 Radiated Emission Test as per CISPR 11 Class A 2004 3 Radiated Susceptibility T...

Страница 39: ...ollowing accessories are available for the DewPro MMR30 Single power supply Panel mount display power supply no relays Panel mount display power supply two alarms Panel mount display power supply two...

Страница 40: ...Chapter 7 Accessories 32 DewPro MMR30 Installation Operation Manual no content intended for this page...

Страница 41: ...p Range V1 Dewpoi nt C 4 mA Dewpoi nt C 20 mA Dewpoi nt F 4 mA Dewpoi nt F 20 mA V2 Consta nt Loop Hardwa re Calibra tion V3 Pressur e Consta nt in mmHg Loop D A Calibra tion Low Loop D A Calibra tion...

Страница 42: ...Appendix A Matrix Table for Programming 34 DewPro MMR30 Installation Operation Manual no content intended for this page...

Страница 43: ...ticular purpose and warranties arising from course of dealing or usage or trade Return Policy If a Panametrics instrument malfunctions within the warranty period the following procedure must be comple...

Страница 44: ...Warranty 36 DewPro MMR30 Installation Operation Manual no content intended for this page...

Страница 45: ...ces Email namservice bakerhughes com Phone 281 542 3650 Quotes PO s and PO inquiries Orders changes and Order inquiries document requests for new product International Baker Hughes Customer Care Email...

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