RH-Plus MR2350 & MR2350-K - GE Measurement & Control
Contents
1. Frequency Lagt l T l I I o L I I L Temperature Frequency MDR3 N Probe o Moisture Frequency lo T T Ot 1 Ll Temperature Frequency Figure 1 3 Theory of Operation 1 4 Features May 2008 Theory of Operation cont N I gt O c 3 T D un LL 096 Relative Humidity 10096 Figure 1 4 Typical RH Sensor Calibration Curve Features 1 5 May 2008 Equipment Drawings SEN eci 00 228 mm 8 37 212 mm Figure 1 5 MDR3 or MDR3 K Probe 8 9 226 20 00 500 A 86 Custom Cable Length 10 00 254 To Analyzer al 20 00 500 Y A ID 38 Dimensions are in inches millimeters Figure 1 6 MDR3 N Probe 1 6 Features May 2008 Equipment Drawings cont 2 50 63 2 77 70 Dimensions are in inches millimeters Figure 1 7 RH Plus MR2350 or MR2350 K Analyzer Features 1 7 May 2008 Equipment Drawin2. Programming and Operation 3 3 May 2008 The Programming Matrix Moving Through the Matrix Entering Data The MR2350 or MR2350 K display shows the current matrix location the cell at all times using the vertical and horizontal coordinates For example the upper left cell location 0 0 is designated as VH 00 on the display and as V0 HO in this manual Press the V button to move vertically down the matrix Press H to move horizontally across the matrix Press HOME to return to the home upper left cell of the matrix For example beginning at V0 HO and successively pressing the V button leads the user to V1 H0 V2 H0 V3 HO V4 H0 V5 H0 V6 H0 V7 H0 V8 HO V9 H0 and back to V0 HO In the same manner pressing the H button leads to V0 H1 V0 H2 etc Using the V and H buttons any matrix field can quickly be addressed The function of each cell is detailed beginning on page 3 10 Some matrix cells are used for data display and others are for programming and setup At any cell where a value can be changed by the user the digit to be altered flashes and can be increased or decreased using the and buttons In some cases the data to be entered comprises several digits To move the flashing cursor to the next digit to the left press and simultaneously IMPORTANT Always enter a multi digit number from right to left 3 4 Programming and Operation May 2008 Display Only Cells
3. Constants Linearization calibration Channel 1 output setup Channel 2 output setup option Channel 3 output setup option Relay Setup Error indications miscellaneous setup Two matrix cells control access to the unit s programming functions The matrix must be unlocked before any items can be changed To unlock the matrix start at the HOME position and press V nine times and H eight times to move to cell V9 H8 Use the and buttons to enter the number 50 Next to allow access to the programming cells press H to move to cell V9 H9 To allow access to the User Setup cells enter 1 3 6 Programming and Operation May 2008 ix ing Matr Programm 3 Table 3 VO Display CH1 CH1 Input Value Set CH1 Unit CH1 Raw Reading V1 Display CH2 CH2 Input Value Set CH2 Unit CH2 Raw Reading V2 Display CH3 CH3 Input Value Set CH3 Unit CH3 Raw Reading Constants V3 Pressure Constant Pressure Constant Unit Temperature Constant Temperature Constant Unit User and Service V4 Channel Select Number of Linearization Copy Points Raw Reading Calibration Value Commit V5 Input Channel Select CH1 Output Maximum Value Minimum Value Output Type Offset Enable At Fault 1 V6 Input CH1 Channel Output Select Maximum Value Minimum Value Output Type Offset Enable
4. Chapter 5 Troubleshooting and Maintenance General Problems a enn 5 1 Error CodeS Jar lt e ee 5 2 Signal Testa uuo helle pel 5 5 Probe Replacement uero nr nre SSG 5 6 May 2008 General Problems Invalid Loop Current If the Unit of Measure is RH 96 If the Unit of Measure is Dewpoint If the loop current shown on the display or current meter is outside the normal range of 4 20 mA or 0 20 mA if selected a problem is indicated Note 0 and 100 relative humidity are absolute limits A defective sensor or a malfunction of the sensor electronics may generate sensor signal values that are out of the 0 to 100 range Solution Expose the sensor to ambient air which normally possesses a relative humidity well away from 0 and 100 1 e between 10 and 90 If the current returns to the 4 to 20 mA range check the calibration with salt solutions If an error is still indicated consult the factory The process dewpoint is out of range Solution 1 If the dewpoint is above 85 C 185 F the current will go to 22mA if that fault mode is selected Apply dry air for a few minutes If the dewpoint doesn t decrease consult the factory Solution 2 If the dewpoint is below 15 C 5 F the current will go to 3 6mA if that fault mode is selected Move the sensor into a wetter environment for a few minutes If the dewpoint doesn t increase the cause may be a defective sensor assembly or an
5. V5 H4 V6 H4 V7 H4 Offset V5 H7 V6 H7 V7 H7 At Fault 10 Fail safe Mode Energized Service Level Read Only 0 4 20 mA 110 De energized User Setup Hold 3 8 Programming and Operation May 2008 Locking the Matrix Unlocking the Matrix All of the entries in the matrix can be locked to prevent unauthorized or accidental changes to the unit s operation It is recommended that the matrix be kept locked except when changes are being made The matrix is locked by entering any number other than 50 in cell V9 H8 The programming examples later in this manual refer to this section To lock the matrix follow the steps in Table 3 6 below Table 3 6 Steps to Lock the Matrix Press Button HOME Resulting Display VH 00 VH 90 VH 98 any number other than 50 Comments Start at home cell Move to setup row V 9 times H 8 times or if necessary To unlock the matrix follow the steps in Table 3 7 below Move to the unlock cell 50 unlocks the matrix Table 3 7 Steps to Unlock the Matrix Press Button HOME V 9 times H 8 times Resulting 3 Comments Display Start at home cell Move to setup row Move to the unlock cell or if necessary 50 unlocks the matrix Programming and Operation 3 9 May 2008 Matrix Field Details Not all of the cells in the matrix a
6. Vi May 2008 a _ o I M 4 X 4 _____ A Table of Contents cont Chapter 5 Troubleshooting and Maintenance General a PR 5 1 ace Nag LoS CURE lochs toa o od alee i pi ra EA 5 1 SIGA RENSET Eat ha a De Vedl 5 2 EGG m 5 2 NOTES crc 5 4 Correcting PEODISETYE sp be Hb e ope toU pec e etd re do 5 4 o EEE EEE TE EEG I 5 5 pola a ua SSA 5 6 Appendix A Specifications MR2350 MR2350 K Analyzer ei A 1 Panel Mount ERncloSbe t tto ad halite La dad ada A 3 MORS POD ir ias A 4 MDRSSN EK Pro etse ot o rice tt es der t rie de ig al n eet Hey e Tra A 5 Appendix B Channel 1 Auxiliary Input Setup Wang anna utate a EN B 1 COMHOUrINOM A Lo acts dee on AA RE teretes da dep OUR Bde tard B 2 vii Chapter 1 Features introduction oer ect vex e e ACE aen ae See eR DR n 1 1 Available Version oec eta dE rear CO so 1 2 Unpacking and Inspection e e e cece eee eee e eens 1 2 Theory oFObDeFOorT ln AAA 1 4 Equipment Drawings i ia 1 6 May 2008 MM M a Introduction RH Plus MR2350 The RH Plus MR2350 is a moisture analyzer designed to operate with the GE Sensing MDR3 relative humidity probe The unit offers an optional input that can be used for pressure compensation an external temperature probe or any other sensor This input can be configured to accept 0 to 5 VDC or 0 4 to 20 mA The standard product comes with one current output 0 20 mA or 4 20 mA a system alarm relay and three adjustable relays all
7. Ten matrix cells are for display only and cannot be changed by the user Input or programmable fields have a flashing digit in the display whereas display only fields do not The display only fields are as follows Table 3 1 Display Only Fields VO HO Display Moisture Value Display raw frequency reading of Channel 1 Display Channel 2 value usually temperaturel Display raw frequency reading of Channel 2 Display Channel 3 value e g pressure Ch 3 is optional Display raw frequency reading of Channel 3 Display Channel 1 Error Code Display Channel 2 Error Code Display Channel 3 Error Code Display Software Version If inactive the display shows dashes Display only cells are shown with a white background in the matrix in Table 3 3 on page 3 7 Other cells allow user input for setup and control of the MR2350 or MR2350 K These cells are shown with a light gray background in the matrix Programming and Operation 3 5 May 2008 Function Guide Accessing the Matrix The matrix is organized in functional families by rows VO through V9 Below is a general description of these functional families indicating the row in which they can be found Table 3 2 Functional Families Channel 1 data and selection of unit of measure Channel 2 data and selection of unit of measure Channel 3 data and selection of unit of measure option
8. 5 Wiring Diagram 2 8 Problems oca 5 1 Correcting x dae R Ke Nde T Kd 5 4 Situations usa ee Saye e 5 3 Programming 3 1 Matador 3 4 3 7 Pushbuttons 3 2 May 2008 Index cont R Relays Contact Operation 3 20 Settings tia b s andet 3 20 SeLUD e Ka tris at yd 3 17 3 18 NEDE crei 2 11 Response Time Slow 5 2 RS 485 Components Required 2 14 Connecting 2 14 S Setup Analog Output 3 15 3 16 Rel ys cam nanan ska de 3 17 3 18 Signal Tests shoe aars parasitt 5 5 Specifications MDR3 Probe a A 4 MDR3 N K Probe A 5 MR2350 MR2350 K Analyzer A 1 Panel Mount Enclosure A 3 Standard Configuration 3 1 3 2 U Unlocking the Matrix 3 9 V Voltage Outputs 2 12 W Wall Mount aan 1 2 Dimensions 1 7 Mounting o oo a 2 4 Opening the Enclosure 2 3 Wiring Active 4 20mMA 2 13 Auxiliary Input B 1 Connections 2 6 DG PoWet ie eos ote Sa o nee 2 10 Diagrammi ses eee eek ad 2 6 Loop Powered Input 2 13 MDR3 Probe 2 5 MR235 Oscaro rito gan ales 2 5 Probe Cable 2 7 Rel Sica as 2 11 Voltage Outputs 2 12 USA 1100 Technology Park Drive Billerica MA 01821 4111 Web ww
9. At Fault 2 V7 Input CH1 Channel Output Select Maximum Value Minimum Value Output Type Offset Enable At Fault 3 V8 Relay 2 Input Relay Channel Setup Relay 2 Hysteresis Value Relay 2 Setpoint Relay 3 Input Channel Select Relay 3 Setpoint Relay 3 Hysteresis Value Relay 4 Input Channel Select Relay 4 Setpoint Relay 4 Hysteresis Value Alarm Setup Select V9 Misc Setup CH1 Error CH2 Error CH3 Error Software Version Serial Output Enable 0 Disable Relay Test Relay Fail safe Mode Non Alarm Cycle through Active Channels while in VHOO 0 Disable Lock Matrix 50 Unlock Service Level 3 7 Programming and Operation May 2008 Matrix Value o Table 3 4 Matrix Value Descriptions 1 VO H1 Moisture Unit V1 H1 Temperature Unit Pressure Unit V2 H1 V8 H9 Alarm Setup R4R3R2 000 R4R3R2 001 R4R3R2 010 R4R3R2 011 g m3 R4R3R2 100 g kg R4R3R2 101 RH R4R3R2 110 Pressure Td C R4R3R2 111 Pressure Td F O COIN DD U BIW Nje Tw C Wet Bulb Tw F Wet Bulb mmHg Vapor hPa Vapor Matrix Value Temp Adj RH 0 alarm if data gt setpoint 1 alarm if data lt setup Table 3 5 Matrix Value Descriptions 2 V5 H3 V6 H3 V7 H3 Output Type Off
10. Maintenance May 2008 Signal Test If the system is not operating correctly use the following procedure to determine whether the analyzer or the probe needs repair 1 Remove the wiring cover as described on page 2 3 WARNING This test may involve using tools near the exposed AC power wiring on the right side of the wiring area 2 Connect an oscilloscope to the white probe wire 3 Observe the signals on terminal 21 the white wire and terminal 20 green wire Figure 5 2 below shows the correct response White Wire 0 4 Hz Signal Square Wave Two different Green Wire frequencies Signal between 1 and 10 kHz on the Frequency Meter Figure 5 2 Oscilloscope Display Troubleshooting and Maintenance 5 5 May 2008 eee e Signal Test cont Note Ifthe terminal 21 signal deviates from the above or is missing disconnect the white wire from the terminal strip and measure again directly on terminal 21 If the terminal 21 signal still deviates from the correct signal or is missing return the analyzer to the factory 4 Ifthe terminal 21 signal is correct reconnect the white wire to terminal 21 and disconnect the green wire from terminal 20 Then check the green wire signal Note Ifthe green wire signal is correct return the analyzer to the factory If the green wire signal deviates or is missing return the probe to the factory Probe Replacement Ifit is necessary to remove
11. __ o z_ _ _ ue A ee Table of Contents Chapter 1 Features a Ea tb EX 1 1 AS le y AAA A te es 1 2 Unpacking and INSPEctiON sis ld a pt na dd 1 2 Theon ot O NON eua ad o pe Rd To e et aaa 1 4 Equipment Drawings eere ai a iaia daa 1 6 Chapter 2 Installation Monte es 2 1 Opening the Wall Mount Enclosure Teal 2 3 Mounting the Wall Mount Enclosure 223 a estu 2 4 Mounting the Panel Mount Enclosure 00 cece cence eee cence eens 2 5 WIND o en ilconte 2 5 Connecting The ETS Scans SG 2 7 Connecting de POWER ses secet Ms sec ero Meo oo Pa Kd ice tei 2 9 Connecting OUTPUTS ariii i ens eet cal ells ee e ees 2 11 Auxiliary BUE SANS uc xb uk t aot SE 2 12 Connecting RS 485 eee eee ea 2 14 Components Required criada 2 14 COBFIGE HOS a porte ri cercos d 2 14 May 2008 aeee e AQ ereeeweeer xr Table of Contents cont Chapter 3 Programming and Operation Moder SSN 3 1 AP PE ARDA er Baa bsa dd Al 3 1 Standard Configuratio AA ee ere i 3 1 Wo EE EEE EM 3 2 TAS LED DENN aa er erte AR iii 3 3 The Programming Matrix oscila qid 3 4 Moving Through the Mata ir 3 4 Entering DS eter ee GS 3 4 Display OR Cellen rl AA sh eer dls 3 5 e AA AA A 3 6 Accessing the MIT ES 3 6 caret es AAA er AS eden 3 9 Ma A sene sene di tetra qe 3 9 Matrix Field Details ee O DRE 3 10 Analog OU MESS icons ER ER cal e 3 15 Relay SBIEID ae NN A 3 17 Chapter 4 Calibration a a TN 4 1 Calibration Procedure e a e N R TR A NAER RIRs 4 2
12. electronics malfunction Consult the factory The same approach is valid for the other available units of measure and for the second channel temperature Troubleshooting and Maintenance 5 1 May 2008 Slow Response Time Error Codes System response time may become slow if the probe filter is dirty Solution Remove the protective filter cap by turning it counter clockwise then clean it with air flow or solvent If the sensor filter is contaminated clean it in hot water with a brush Error conditions are indicated by the flashing of the ALARM LED for the affected channel and the channel value is displayed as dashes To display the error code for the detected condition access matrix cell V9 HO for Channel 1 V9 H1 for Channel 2 or V9 H2 for Chamnel 3 A typical error code display is shown in Figure 5 1 below wu UH 98 Chi Error Figure 5 1 Typical Error Code Display 5 2 Troubleshooting and Maintenance May 2008 a _ RR __ gt gt oE_ _ e y A Error Codes cont Displayed error codes are described in Table 5 1 below Table 5 1 Error Codes Description No error Maximum frequency exceeded Zero frequency Output under range Output over range Vapor Pressure under range Vapor Pressure over range These error codes are often displayed in combination as the sum of two codes listed above Specific problem situations are detailed in Table 5 2 below Ta
13. is set to 51 matrix locked e Matrix cell V9 H9 is set to O matrix read only Programming and Operation 3 1 May 2008 We T_T e i i ii iI f RFFAFFililiiii l k 5 RH Plus MR2350 K The MR2350 K analyzer is shipped with the following standard configuration Normal display Dewpoint in C Temperature in C Alarm set points are set to 25 C dewpoint Output I is set to 15 C to 85 C dewpoint delivers 4 to 20mA 10 at fault Output 2 is set to 0 C to 100 C delivers 4 to 20 mA 10 at fault Matrix cell V9 H8 is set to 51 matrix locked Matrix cell V9 H9 is set to O matrix read only Controls Operate the MR2350 or MR2350 K using the five push buttons shown below on of Return to 9 54 6 dico 708 Home position Kos of matrix VO HO Ch1 Value Pa Increase the displayed value Decrease the Ta DI displayed value Move vertically down the matrix Move horizontally across the matrix Figure 3 1 MR2350 MR2350 K Controls 3 2 Programming and Operation May 2008 The LCD Display The unit s display contains four elements Display mode MEASure or SETUP Display value with units when appropriate Matrix cell location Matrix location name current function Display value Units Display Mode MEASURE or SETUP Matrix cell location Matrix location name Figure 3 2 MR2350 MR2350 K LCD Elements
14. other than 50 locks all matrix fields from entering values to prevent tampering This field restricts access to programming Entering 0 puts the instrument into a read only mode where only certain matrix locations can be read Entering 1 allows access to User Setup functions These functions can be modified only if 50 is entered in field V9 H8 3 14 Programming and Operation May 2008 ro _ _ _ _ _ _mR___ S oo __ z__ gt z_ gt _ Analog Output The following steps configure the Channel 1 analog output Setup matrix row V5 For Channel 2 use row V6 for Channel 3 use row V7 To configure a channel Assign an input channel to control this output Set the minimum and maximum values 1 2 3 Turn the output on 4 Select the output current offset 0 20 mA or 4 20 mA 5 Configure the system fault mode First unlock the matrix by entering 50 into V9 H8 as described above and then follow the steps in for Channel 1 To set up Channel 2 or 3 follow the same sequence using row V6 for Channel 2 or row V7 for Channel 3 When the programming is finished it is recommended that the matrix be locked by entering any number other than 50 into cell V9 H8 as described on page 3 9 Refer to Figure 2 7 on page 2 6 for wiring to the internal 249 ohm resistor s to facilitate measurements Programming and Operation 3 15 May 2008 Table 3 9 Analog Output Setup Channel 1 Resul
15. relays Desired hysteresis Enter alarm code setup code 0 7 see below Relay Setup cont For the final entry choose 0 or 1 for each relay and use Table 3 11 on the next page to combine these into a single digit 0 7 If 0 is chosen the relay alarms measured value is higher than the set point If 1 is chosen the relay alarms measured value is lower than the alarm set point Choose the settings for each relay find the combination in Table 3 11 on the next page and enter a number from 0 to 7 Programming and Operation 3 19 May 2008 Verne _ a _ _ T Q QC V JNvv R NvVv v gt 2G Relay Setup cont Table 3 11 Relay Settings When the programming is finished it is recommended that the matrix be locked by entering any number other than 50 into cell V9 H8 as described on page 3 9 Operation of the relay contacts is summarized in Table 3 12 below Relay 2 the first programmable relay which controls alarm LED 1 is shown as an example Table 3 12 Relay Contact Operation Relay 2 NO Normally NC Normally Open Contact Closed Contact Alarm Condition Relay Coil De energized Open Closed No Alarm Energized Closed Open Relay 2 in r alarm state D energized Open Closed 3 20 Programming and Operation Chapter 4 Calibration Introduction Calibration Procedure o err
16. the two Phillips head screws about four turns is sufficient and remove the wiring cover 5 Remove the wiring cover Cover Screw 4 places Wiring Cover Plastic Inserts 2 places Figure 2 4 Opening the Wall Mount Enclosure Installation 2 3 May 2008 Mounting the Wall Mount Enclosure The RH Plus MR2350 and MR2350 K analyzers are for indoor use only They should be mounted with appropriate hardware and all wiring should conform to local electrical codes and standards A drilling template for locating the mounting holes is supplied with the unit Choose mounting hardware appropriate for the application Locate the analyzer module so that the probe cable length will not exceed 1000 feet 300 meters 1 Remove the two covers as described in the previous section 2 Slide the upper mounting bracket out from the rear of the case to expose the upper mounting point 3 Mount the analyzer as shown in Figure 2 5 below Note Insert the upper screw into the mounting hole and tighten it Then push the enclosure up so that the tab slides back to a hidden position behind the case Finally insert the two lower screws Slide mounting tab out from rear of case Mount case with three screws Figure 2 5 Mounting the Wall Mount Enclosure Installation May 2008 Mounting the Wall 4 Replace the covers Mount Enclosure To dismount the i
17. values Details are shown in Chapter 4 n this cell enter the channel that is to be calibrated Enter 1 Entering O would copy the entire calibration data contents of the previous channel into the current channel Enter the number of calibration points to be used normally 2 Enter the frequency value of selected point Enter the rh 96 value of the selected point Displays the number of the calibration point currently being entered Press the button to ncrease this number and immediately jump to V4 H3 to enter the next point After the last point has been entered move to V4 H6 Press to increase the value to 1 to confirm and store the displayed calibration numbers System then jumps immediately to V4 HO Row V5 Channel 1 analog output setup The cells in this row configure the Channel 1 analog output See page 3 15 for details Select which input channel will drive output channel 1 Enter 1 2 or 3 Program the output range enter the minimum rh value corresponding to 0 4 mA Program the output range enter the full scale rh value corresponding to 20 MA Define the output type O turns the output off 1 turns it on Offset the output range 0 0to 20 mA 1 4 to 20 mA Voltage output with a 249 Ohm load resistor connected will be 0 to 5V or 1 to SV Configure the current to be output if there is a system error entering 0 sets the output to 10 or 3 6 mA for th
18. with single pole double throw contacts selectable fail safe mode and adjustable hysteresis One or two additional current outputs are available as options A display and push buttons form the user interface for data display selection of units ranges setpoints and special functions RH Plus MR2350 K The RH Plus MR2350 K is a moisture analyzer system designed to operate with the GE Sensing MDR3 N K relative humidity probe The standard product comes with two current outputs 0 20mA or 4 20mA a system alarm relay and three adjustable relays all with single pole double throw contacts selectable fail safe mode and adjustable hysteresis A display and push buttons form the user interface for data display selection of units ranges setpoints and special functions The RH Plus MR2350 and or MR2350 K are to be used only as specified by GE Sensing Use of an analyzer other than as specified may impair the safety precautions of the system Features 1 1 May 2008 Available Versions Unpacking and Inspection RH Plus MR2350 The MR2350 is available in two mounting versions wall mount and panel mount This manual generally describes the installation and wiring of the wall mount version Specific instructions for the panel mount version are given where necessary The panel mount version is available either with or without a protective and lockable door covering the unit s controls Examine the shipping carton for broken
19. 2 Channel 3 data and selection of unit of measure The Channel 3 input is optional Contact the factory for information on using this input V2 HO Displays data for channel 3 V2 H1 Enter the unit of measure for channel 3 V2 H8 Displays the raw digital value from the Channel 3 input if option is installed Row V3 Compensation constants V3 HO A pressure value from 0 1 to 999 9 bar can be entered to compensate concentration units such as g kg Example 1 Concentration units are pressure independent However the rh sensor measures the water vapor pressure If the process pressure is increased for example by 10 atmospheres 10 times the water vapor pressure will also increase by a factor of 10 Dalton s Law depicts that partial pressures increase by the same amount as the total pressure The sensor monitors this correctly and as a result a pressure constant of 10 must be entered in cell V3 HO to correct for this law of physics If the process pressure is fluctuating a pressure transducer can be connected to the channel 3 input providing real time pressure compensation This requires factory setup Example 2 Consider a process pressure at 100 bar that uses a by pass system which reduces the pres sure to near atmospheric pressure Note that the MDR 3 is pressure rated up to 17 bar or 250 psi The measured dewpoint will be much lower under these conditions according to Dalton s Law see V3 HO Entering 100 in V3 HO an
20. 3 Input 0 5V 249 Ohms 15 VDC Out Line or Neutral or Earth Ground o9 oe cz No E 25 oo VO Current Out 1 Current Out 2 Current Out 3 U o Outputs Figure 2 7 Wiring Connections 2 6 Installation May 2008 Wiring cont Connecting the Probe Notes 1 MDR3 and MDR3 N K Probe connections 19 RED 20 GREEN 21 WHITE 22 BLACK 2 Pin 33 is 15 VDC output power for external transmitter such as 4 to 20 mA loop power 3 Auxiliary resistors of 249 Ohms are internal and connected to 4 For 0 1 to SV outputs Route 13 15 17 to 29 32 35 0 1 to SV against 5 To input from 4 to 20 mA loop powered devices Connect transmitter to 15 VDC out 33 Connect to resistor 35 Jumper 35 to 34 6 To input from active 4 to 20mA devices Connect to resistor 35 Connect to 36 Jumper 35 to 34 Open the analyzer s wiring cover as described on page 2 3 Feed the cable through the left most fitting Maximum cable diameter for this fitting is 0 28 inches 7 mm Individual wires should be fed between the levers of the first row to ease insertion into the terminal holes Note The default cable length is 17 feet 5 m Other lengths are available on special order Connect the probe cable to the analyzer as shown in Figure 2 8 on page 2 8 Use a pointed instrument to push back the white nylon lever above each terminal insert the stripp
21. 6 9 12 Figure 2 11 Relay Output Wiring Current Outputs The MR2350 and MR2350 K come with 1 2 or 3 current outputs depending on the ordering configuration Wire as shown in Figure 2 7 on page 2 6 The outputs terminals 14 16 and 18 are all connected to system ground Installation 2 11 May 2008 Voltage Outputs Auxiliary Input Signals 4 to 20mA Loop Powered Device Each current output can be configured as a voltage output by connecting the current output to an internal 249 ohm resistor see Figure 2 12 below For channel 1 connect the Channel 1 output on terminal 13 to terminal 29 For channel 2 connect the Channel 2 output on terminal 15 to terminal 32 For channel 3 connect the Channel 3 output on terminal 17 to terminal 35 Out Output 13 15 17 Analyzer Internal 29 32 35 Resistor Figure 2 12 Voltage Output Wiring One optional input channel 3 can be used for pressure compensation an external temperature probe or other sensors This input can be configured to accept 0 5 VDC or 4 20 mA signals To connect a 4 to 20 mA loop powered device 1 Connect terminal 33 15V to the transmitter s wire 2 Connect transmitter s wire to terminal 35 the 249 ohm resistor 3 Connect terminal 35 to terminal 34 analyzer input Installation May 2008 4 to 20mA Loop Powered Device cont Loop Powered 4 20mA Device Figur
22. GE Sensing amp Inspection Technologies RH Plus MR2350 amp MR2350 K General Eastern Relative Humidity Analyzers Installation and Operation Manual GE Sensing amp Inspection Technologies RH Plus MR2350 amp MR2350 K General Eastern Relative Humidity Analyzers Installation and Operation Manual 63005129E May 2008 The RH Plus MR2350 amp MR2350 K are General Eastern Instruments products General Eastern has joined other GE high technology sensing businesses under a new name GE Sensing amp Inspection Technologies May 2008 Warranty Each instrument manufactured by GE Sensing Inc is warranted to be free from defects in material and workmanship Liability under this warranty is limited to restoring the instrument to normal operation or replacing the instrument at the sole discretion of GE Fuses and batteries are specifically excluded from any liability This warranty is effective from the date of delivery to the original purchaser If GE determines that the equipment was defective the warranty period is one year for general electronic failures of the instrument one year for mechanical failures of the sensor If GE determines that the equipment was damaged by misuse improper installation the use of unauthorized replacement parts or operating conditions outside the guidelines specified by GE the repairs are not covered under this warranty The warranties set forth herein are exclusive and are i
23. Matrix 3 9 4 4 Loop Current Invalid 5 1 M Matrix ACCCSSING Mid 3 6 Field Details 3 10 Locking 3 9 4 4 Moving Through 3 4 Programming 3 4 3 7 Unlocking o o ooooo o 3 9 Value Descriptions 3 8 MDR3 Probe Dimensions 1 6 WADING sg oscar eR USER ai 2 5 MDR3 K Probe Dimensions a 1 6 MDR3 N Probe Dimensions a 1 6 MDR3 N K Specifications A 5 MR2350 Description a 1 1 Dimensions 1 7 Options a pa 1 1 WIDE saboterer sees heie 2 5 MR2350 MR2350 K Specifications A 1 MR2350 K Description 1 1 Dimensions a 1 7 Options isa ais ukers LEER 1 1 O Operation 22i ai dida 3 1 Cella SENE ESS SES EG 3 10 Theory OF naani need 1 4 Outputs Analog oves ER 3 15 Connecting 2 11 AA 2 11 Voltage ser i Kaski 2 12 p Panel Mount 1 2 Connectors a 1 8 Dimensions 1 8 Mounting coco oo ooo 2 5 Specifications A 3 Power AC Wiring Diagram 2 9 Applying 4 vec na REVERSUS 3 1 Connecting 2 9 DC Wiring Diagram 2 10 Probe Mounting a oa a 2 1 Mounting Hardware 2 2 Replacement 5 6 Serial Number 4 1 Specifications A 4 A
24. RD eat xXx OE RE May 2008 Introduction Probe Serial No Calibration data The MR2350 or MR2350 K system is shipped with the analyzer precalibrated to the MDR 3 probe shipped with it The calibration procedure is necessary only when the probe has to be replaced or recalibrated A calibration sheet is supplied with each probe A sample sheet is shown in Figure 4 1 below Verify that the serial number on the calibration sheet matches the serial number on the probe Frequency numbers from the sheet are copied into the analyzer during the procedure Only the numbers circled below are used in the procedure GE Sensing RH Calibration Certificate Probe Serial Number Date Calibrated Recommended Recalibration one year intervals RH in percent FREQ in Hz TEMP in deg C CU ra per rec of it um erem ss sem pennae anm on me vesen um mem oe ere st un me loo wl Fasci wal eae e mE BEN em calibration data point Analyzer P RH FREC 0 00 1812 Hz 100 00 amp 8441 Hz TEMP FREQ 10 00 C 6240 Hz 90 00 C 8622 Hz Calibration is trace ough standards certified at preset intervals The calibration system in use conforms to the guidelines of MIL STD 45662A Moisture Calibration is performed at 25 5 deg C CALIBRATION STANDARDS USED FOR TEMPERATURE AND HUMIDITY Manufacturer G EASTERN Model number Y M3 D 2 SR T 100 M2 1211H 1112P Serial num
25. bers 0491095 24157 0740595 RG 0730595 RG tion T hnician Quality Assurance Figure 4 1 Sample Calibration Sheet Form 1 14 045 8 93 Calibration 4 1 May 2008 Calibration Procedure Unlock matrix Enter User Setup mode Access calibration row Select channel Access copy function Enable it No of calibration points In the steps below when a cell is accessed to enter a number the correct number may already be there If this is the case move on to the next step and continue Table 4 1 Calibration Procedure Steps Press Button HOME Resulting Display Comments Start at home cell V 9 times Move to setup row H 8 times Move to unlock cell 0r if necessary 50 unlocks the matrix H Move to cell 0r if necessary HOME 1 is user setup mode Move to home cell V 4 times Move to channel select cell 0r if necessary Select channel 1 Move to copy cell 0r if necessary H 1 enables copy function of selected channel Move to next cell 0r if necessary Number of calibration points normally 2 for the MDR3 probe 4 2 Calibration May 2008 Table 4 1 Calibration Procedure Steps cont Press Button Enter Resulting Display VH 43 Comments Move to next cell frequency 1 Enter from supplied
26. ble 5 2 Problem Situations Input Signals Resulting Outputs Channel 1 Channel 2 Output 1 Output 2 Moisture Temperature Moisture Temperature Channel 1 Channel 2 16 16 normal normal 32 32 normal missing 0 16 normal missing 0 0 missing normal 88 40 missing normal 72 8 Troubleshooting and Maintenance 5 3 May 2008 Notes Error codes are driven by the output signal values Even if the sensor signal is within the calibration range the output range may be exceeded at the low or high end generating the error code When an error code is generated the affected channel displays four dashes instead of a numeric value To read a Channel 1 error code go to cell V9 H0 To read a Channel 2 error code go to cell V9 H 1 Toread a Channel 1 raw sensor frequency go to V0 H8 Ifit is within the calibration range 0 to 100 widen the output range cells V5 H1 and or V5 H2 To read a Channel 2 raw sensor frequency go to V1 H8 If it is within the calibration range 10 to 90 C widen the output range cells V6 H1 and V6 H2 Correcting Problems Ifthe signal is missing check for broken wires or loose connections on the probe cable Connect another probe if available Make sure that the output range values correspond to the unit of measure for the channel For example if temperature units are changed from C to F the output range must also be changed 5 4 Troubleshooting and
27. calibration data le g 1812 VH 44 Frequency for Point 1 Move to next cell RH Value 1 Next point From supplied calibration data usually 0 0 RH for Point 1 Enter frequency 2 Enter RH value 2 from supplied calibration data e g 8441 VH 44 Point No is incremented and unit immediately moves back to cell V4 H3 to enter the next point Frequency data for Point 2 Move to cell All done from supplied calibration data usually 100 0 Commit 1 RH for Point 2 Ready to store values Commit values VH 40 Cal values stored ready for next channel Calibration 4 3 May 2008 Calibration Repeat this process specifying Channel 2 and entering Procedure cont temperature calibration data lower frequency first When this programming is complete leave user setup mode as shown in Table 4 2 below Table 4 2 Leaving User Setup HOME VH 00 Start at home cell Leave V 9 times VH 90 Move to setup row User Setup H 9 times VH 99 Move to service level cell mode Je OE 0 0 is read only mode if necessary Finally it is recommended that the matrix be locked by entering any number other than 50 into cell V9 H8 as described in Table 4 3 below Table 4 3 Locking the Matrix H 9 times VH 98 Lock unlock cell Lock Matrix or an b y number if necessary other than 50 Lock matrix 4 4 Calibration
28. cia A a DALE 3 1 Applying POWER AA d Ege 3 1 Standard Configuration e x x ee ee ee eee ence 3 1 Controls rr ede ear ee NE 3 2 The LCD Display ii ew nae ans unas oe De iN e N ea c uate 3 3 The Programming Matrix cece cece cece eee ee 3 4 Analog Output Setup iis NA N nere dean 3 15 Relay SETUP Aes 3 17 May 2008 Introduction Applying Power Standard Configuration Rh Plus MR2350 The concept of programming and operating the unit is very simple The unit s operation is controlled by a matrix of various functions see Table 3 3 on page 3 7 Each display and setup operation is accessed by moving to the cell for that function All operation and programming of the unit is controlled by moving through the matrix to the desired function When all wiring has been secured power may be applied to the analyzer No power switch is supplied on the MR2350 or MR2350 K The system turns on as soon as power is applied Upon power up the analyzer performs a software diagnostics test and then displays humidity and temperature values The RH Plus MR2350 analyzer is shipped with the following standard configuration Normal display RH in Temperature in C Alarm set points set to 30 and 30 C to allow for the specific setup Output I is set to 0 to 100 RH delivers 4 to 20mA 110 at fault Output 2 if ordered is set to 15 C to 85 C delivers 4 to 20 mA 110 at fault Matrix cell V9 H8
29. d selecting 7 for C or 8 for F in VO H1 will cause the process pressure dew point to be displayed in VO HO If V3 HO is used enter the units of measure for that cell See cell VO H1 for a list of the available units V3 H2 JA constant temperature to be used in calculations for temperature compensation can be entered here If a temperature measurement is provided by the probe on Channel 2 or by another sensor on Channel 3 any temperature constant entered in this field will be ignored If a temperature has been entered in cell V3 H2 enter the units of measure for the tempera ture constant here 0 2 C 1 F Programming and Operation 3 11 May 2008 Table 3 8 Operation Cells Descriptions cont Row V4 Linearization Probe calibration Note New 2350 systems analyzer and probe are shipped with matched components and there is normally no need to enter calibration values The steps in V4 HO through V4 H6 are necessary only when connecting a spare probe or a re calibrated probe The calibration process uses cells V4 HO through V4 H6 For channel 1 ofthe MDR3 rh probe two cal ibration points are entered the rh in cell V4 H4 and the corresponding frequency delivered by the probe s electronics in matrix field V4 H3 Up to 15 calibration points can be entered in case of special calibration at multiple points Channel 2 is calibrated in the same way Enter the low and high frequency readings and temperature
30. e 2 13 Loop Powered Input Active 4 to 20mA To connect an active 4 to 20mA device Device 1 Connect input wire to terminal 35 the 249 ohm resistor 2 Connect input wire to terminal 36 ground 3 Connect terminal 35 to terminal 34 analyzer input Analyzer Active 4 20mA Device Figure 2 14 Active Input Note To connect a 4 to 20mA loop powered device and set up an auxiliary input for Channel 1 see Appendix B Installation 2 13 May 2008 Connecting RS 485 The units RS 485 output can be connected to an RS 232 device such as a Personal Computer Components RS 232 to RS 485 converter interface unit Required A 2 conductor cable terminating in a 2 position connector e RS 232 cable Connections 1 Connect the RS 232 cable from the PC comm port to the 232 485 converter 2 Connect one wire of the 2 conductor cable from converter terminal A or to P3 Pin 1 of the MR2350 MR2350 K Note P3 is located to the left of the 18 terminal connector in the wiring compartment 3 Connect the other wire from converter terminal B or to P3 Pin 2 4 Run the PC Terminal Emulator program with the following configuration 1200 baud 8 data bits 1 stop bit no parity no flow control TTY generic An example of the PC display the same values shown on the MR2350 display follows 46 8 26 3 46 8 262 46 9 262 46 9 26 3 46 8 26 4 2 14 Installation Chapter 3 Programming and Operation Introduction so
31. e event 1 sets the output to 110 or 22 mA for the event 2 freezes the output at the last measured value in the event 3 12 Programming and Operation May 2008 Table 3 8 Operation Cells Descriptions cont Row V8 Relay setup The cells in this row configure the three alarm relay outputs Step by step instructions begin on page 3 17 Select which input channel will control relay 2 Enter 1 2 or 3 Enter the alarm set point for relay 2 For a negative value use the button to go below 0 Enter relay 2 s hysteresis value as a percentage of the measurement range example 1 196 Select which input channel will control relay 3 Enter 1 2 or 3 Enter the alarm set point for relay 3 For a negative value use the button to go below 0 Enter relay 3 s hysteresis value as a percentage of the measurement range example 1 1 Select which input channel will control relay 4 Enter 1 2 or 3 Enter the alarm set point for relay 4 For a negative value use the button to go below 0 Enter relay 4 s hysteresis value as a percentage of the measurement range example 1 1 For each relay designate whether it should trigger when the measured value is greater than the set point or lower than the set point high low alarm If 0 is chosen the relay alarms when the measured value is higher than the set point If 1 is chosen the relay alarms when the measured value is lower than
32. ectronics required Removable stainless 316 sintered filter cap additional hydrophobic filter on sensor element allowing penetration of water vapor but not water droplets 0 5 lbs 256 g tube Meets CE requirements EEx ia IIC T4 approved by CENELEC and FM using zener barriers A 6 Specifications Appendix B Channel 1 Auxiliary Input Setup WIFIDQ a A a Cata stk ete d e Configuration scuola ea ERR May 2008 Wiring To set up an auxiliary input for Channel 1 with a loop powered 4 20mA device see Figure B 1 below and make the following connections 1 Connect 33 15V to the transmitter wire 2 Connect wire to terminal 29 249 ohm internal resistor 3 Connect terminal 29 to 28 CH1 analyzer input Analyzer Loop Powered 4 20mA Device Figure B 1 Channel 1 Auxiliary Input Setup Channel 1 Auxiliary Input Setup B 1 May 2008 Configuration following values To configure Channel 1 as an input channel enter the Table B 1 Calibration Procedure Steps Press Button Resulting Display Comments Start at home cell Move to setup row Move to unlock cell 50 unlocks the matrix 2 VH 03 Move to cell 2 is user setup mode H 2 times VH 02 Move to next cell 1 Select channel 1 Move to copy cell 1 enables copy function of selected channel Move to next cell Unlock matrix HOME V 9 times H 8
33. ed wire and release the lever Installation 2 7 May 2008 pa _ _ ae _ __ IIii sg Connecting the Connect the cable shield drain wire to the internal ground wire Probe cont using the wire nut supplied This connection is required to meet EMI RFI specifications Securely tighten the bushing to provide strain relief for the cable This requires two wrenches one to hold the fitting s nut and one to turn the fitting s bushing Two wrenches are also needed to loosen the bushing to remove the cable Caution Recheck all connections for security and correct placement of all wires Severe damage can result from incorrect wiring MDR3 8 MDR3 N K Probe Wires Red Green White 7 Black Cable shield drain wire Cable to Probe Figure 2 8 Wiring the Probe 2 8 Installation May 2008 A _ _ _ o _ o e __ __ HX D Qu _z__ uttale Connecting the Power AC Supply To connect power wiring to the AC version of the analyzer 1 Obtain an appropriate line cord 1A current capacity that meets local codes 2 Feed the line cord through the right most fitting Maximum cable diameter for the power fitting is 0 5 12 5mm 3 Tighten the bushing using two wrenches 4 Connect the wires to the J2 terminal block Line input to Pin 1 Neutral to Pin 2 and Earth Ground to Pin 3 as shown
34. gs cont Wiring Connections ESD ei Figure 1 9 MR2350 Panel Mount Version rear view 1 8 Features Chapter 2 Installation Mounting the Probe xe e e e sans sukess mad En 2 1 Opening the Wall Mount Enclosure 2 3 Mounting the Wall Mount Enclosure 2 4 Mounting the Panel Mount Enclosure 2 5 WIFINO ios ches EE ATA PP 2 5 May 2008 Mounting the Probe It is preferable to mount the probe vertically so that the sensor tip points down The probe is mounted in a pipe thread connection or with a flange Insure that the tip of the probe does not touch the inside wall of the pipe Adjust the ferrule nylon or stainless steel for a probe insertion length of 1 minimum and tighten the compression fitting as follows 1 Hand tighten the nut 2 Using a wrench tighten the nut one and one half additional turns With this procedure the fitting is tight and can withstand pressure to 250 psig provided a stainless steel ferrule is used Note 4 nylon ferrule is used in systems without pressure However a 316 stainless steel ferrule is required for use in pressurized systems Ensure that the probe being used has the appropriate fitting for the application IN To Analyzer Figure 2 1 Probe Mounting Installation 2 1 May 2008 EEE Tr Qe mJUV7 J vre Probe Mounting The following fittings a
35. hen follow the steps given in Table 3 10 on the next page for programming all relays Programming and Operation 3 17 May 2008 Resulting Table 3 10 Relay Setup Press Button Comments Display Access relay HOME VH 00 Move to home cell t S SSES V 8 times VH 80 Move to relay 1 cell Assign input or channel if necessary 1 Select Channel 1 or other if desired Enter set point H VH 81 o set point cell Or Desired set point if necessary Enter hysteresis H VH 82 OF Desired hysteresis if necessary Move to Relay 2 H Move to relay 2 cell Assign input x OPT Select channel 2 or other if desired channel necessary Enter set point H VH 84 o set point cell PO Desired set point necessary Enter hysteresis H VH 85 0r if necessary Desired hysteresis Move to Relay 3 H Move to Relay 3 cell Assign input y poss vi CM Select channel 3 or other if desired 3 18 Programming and Operation May 2008 MMM ac Table 3 10 Relay Setup cont Resulting Display Press Button Comments Enter set point H VH 87 Move to set point cell 0r if necessary Enter hysteresis H VH 88 Move to cell Desired set point 0r if necessary Move to Alarm Setup H VH 89 Move to cell Or Code selects whether the relay s alarm is above or below the set point This single value controls the three
36. in Figure 2 9 below Voltage ranges from 85 to 275 VAC are supported Line 85 to 275 VAC Neutral Earth Ground Figure 2 9 AC Power Wiring Installation 2 9 May 2008 DC Supply To connect power wiring to the DC version of the analyzer 1 Feed the cable through the right most fitting Maximum cable diameter for the power fitting is 0 5 12 5mm 2 Tighten the bushing using two wrenches 3 Connect the wires to the J2 terminal block Positive to Pin 1 Negative to Pin 2 and Earth Ground to Pin 3 as shown in Figure 2 10 below Voltage ranges from 18 to 36VDC are supported 18 to 36 VDC Earth Ground Figure 2 10 DC Power Wiring 2 10 Installation May 2008 ri ips _ _ _ o _ ol _ ___ gt _ lt ___ _ _ Connecting Outputs Cables for the relay and analog outputs are run through the two center fittings Maximum cable diameter for the output fittings is 0 4 10mm Shielded cable is required to meet RFI EMI specifications Connect the shield drain wire to the same analyzer ground wire used for the probe cable shield using the wire nut provided Relays Relay 1 is a system alarm that activates if an error condition occurs Relays 2 3 and 4 are programmable as alarms for the measured data Wire as shown in Figure 2 7 on page 2 6 and Figure 2 11 below Normally Closed Contacts 1 4 7 10 Common 2 5 8 11 Normally Open Contacts 3
37. inciple IC electronics 0 to 100 2 within the range of 10 to 90 Better than 0 576 RH Less than 0 9 SF to 185 F 15 C to 85 C From 10 to 90 RH 3 69F 2 C From 0 to 10 RH and from 90 to100 r h 5 4 F 43 C 14 F to 212 F 10 C to 100 C 0 9 F 0 5 C 90 psig 6 barg from all sides Integrated circuitry with built in platinum temperature element max 45 Gray Moisture and temperature converted to frequencies two twisted pairs of individually shielded cable allowing up to 1000 ft 300 m distance R max 25 ohms 20 50 mm with Harting connector Type Han metal protection IP 65 in closed position All cables are 20 50 mm optional Harting connector Type Han metal protection IP 65 in closed position is provided Specifications A 5 May 2008 MDR3 N K Probe cont Probe Tube MDR3 N Probe Tube MDR3 K Location of Probe Electronics MDR3 N Location of Probe Electronics MDR3 K Sensor Guard Weight Approvals Stainless steel 1 4571 Y 12 7 mm dia length 8 9 226 mm housing the sensor only Stainless steel 1 4571 12 12 7 mm dia length 8 9 226 mm housing the sensor and electronics Resides in a remote 10 254 mm long 0 625 15 9 mm dia stainless steel tupe with 20 500 mm cable on each side to be interconnected by user Resides within sensor tube no remote el
38. le glands M12 2XM16 M20 10 C to 50 C 14 F to 122 F 85 to 275 VAC optional 18 to 36 VDC 5 8 VA for line powered units 2 2 W for DC powered units Wall mount IP54 Type 12 separate connection compartment Type 4X Type 7 panel mount 1 kg 2 2 Ib A 2 Specifications May 2008 Panel Mount Enclosure Material Dimensions Depth Panel cutout Wiring Mounting Front panel surface Black anodized aluminum 144 mm x 144 mm panel 5 67 x 5 67 Maximum protrusion at the rear of the panel 209 mm 8 23 Maximum protrusion at the front of the panel 8 25 mm 0 32 with bezel Maximum protrusion at the front of the panel 32 mm 1 26 with door 138 mm x 138 mm 5 43 x 5 43 Same configuration as the wall mount unit wired in the rear Insert from front into the panel install the clamps tighten the clamp screws from the rear against the panel using a long screwdriver Overlay with membrane buttons integrated LEDs and clear window for display Specifications A 3 May 2008 MDR3 Probe Sensing element RH range RH accuracy DP range DP accuracy Standard Operating Temperature Temperature Accuracy Maximum Operating Pressure Signal Transmission Probe Cable Connector Sensor Electronics Probe Tube Standard Probe Mounting Sensor Guard Weight Approval Silicon based polymer capacitance principle IC electronics 0 to 100 2 i
39. n lieu of all other warranties whether statutory express or implied including warranties or merchantability and fitness for a particular purpose and warranties arising from course of dealing or usage or trade lii May 2008 Return Policy If a GE Sensing Inc instrument malfunctions within the warranty period the following procedure must be completed 1 Notify GE giving full details of the problem and provide the model number and serial number of the instrument If the nature of the problem indicates the need for factory service GE will issue a RETURN AUTHORIZATION number RA and shipping instructions for the return of the instrument to a service center will be provided If GE instructs the sending of an instrument to a service center it must be shipped prepaid to the authorized repair station indicated in the shipping instructions Upon receipt GE will evaluate the instrument to determine the cause of the malfunction Then one of the following courses of action will then be taken If the damage is covered under the terms of the warranty the instrument will be repaired at no cost to the owner and returned If GE determines that the damage is not covered under the terms of the warranty or if the warranty has expired an estimate for the cost of the repairs at standard rates will be provided Upon receipt of the owner s approval to proceed the instrument will be repaired and returned May 2008 a _
40. n the range of 0 to 90 3 in the range of 90 to 100 5 F to 1859F 159C to 85 C 1 C for dewpoints gt 32 F 0 C at Better than TI F 25 C 1 8 F 5 F to 185 F 15 C to 85 C 0 9 F 0 590 250 psig 17 2 bar Moisture and temperature converted to frequencies allowing up to 1000 ft 300 m of standard four wire shielded cable 17 ft 5 m cable permanently attached or junction box with screw terminals Integrated circuitry with a platinum RTD temperature sensor 316 stainless steel 0 5 diameter 8 9 long 1 2 Tube x 1 2 NPT 3 4 NPT G12 3 4 16 compression fitting or flange Rugged removable easy to clean 100 micron sintered 316L stainless steel filter additional hydrophobic filter on sensor element allowing penetration of water vapor but not water droplets 1 Ib 0 5 kg ATEX II 1G EEx ia IIC T4 203 F 90 C ATEX II 1D 212 F 100 C Class I Division 1 Groups A B C amp D using zener barrier kit IS 20 ST from GE or equivalent A 4 Specifications May 2008 MDR3 N K Probe Sensing Element RH Range RH Accuracy Repeatability Hysteresis Dewpoint Range Dewpoint Accuracy Operating Temperature Temperature Accuracy Maximum Operating Pressure Sensor Electronics Radiation Resistance Signal Transmission Standard Cable Length MDR3 K Standard Cable Length MDR3 N Silicon based polymer capacitance pr
41. nstrument remove the two lower screws pull cont the enclosure down to expose the top mounting tab and remove the top screw Mounting the Panel The panel mount version of the MR2350 is for indoor use only Mount Enclosure and is designed to be mounted in a square cutout in an equipment panel The unit accommodates a wide range of panel thicknesses Mount the unit as described below 1 Make a cutout in the panel measuring 5 43 by 5 43 138 by 138 mm 2 Slide the unit into the cutout from the front of the panel 3 From the rear side of the panel slide the two mounting clamps into place on each side of the unit see Figure 1 8 on page 1 8 4 Tighten each clamp screw from the rear using a long screwdriver Wiring Figure 2 6 below shows the MR2350 MR2350 K wiring compartment showing typical connections for power and the MDR 3 probe Figure 2 6 Wiring Compartment Installation 2 5 May 2008 EE FN Z ZCC CC __ Wiring cont Figure 2 7 below shows the complete wiring diagram Wiring for the probe power and outputs are shown in the following sections Wiring for the Panel Mount version is the same except that the wiring connections are accessed from the rear of the unit 8 2V Probe Red FRQ1 Probe Green FRQ2 Probe White Probe Black 249 Ohms 249 Ohms Ch
42. ocation and programming instructions error indication with error code if malfunction occurs user selectable scanning feature alternating the display every five seconds through active channels 3 max Complies with EMC directive 89 336 EEC and LVD 73 23 EEC RH dewpoint C F g m g kg Tw C F wet bulb temperature vapor pressure in hPa mmHg process pressure calculated dewpoint C F RH calculated from separate temperature value needs temperature measurement using the optional input C EE For optional input used with a pressure transducer bara barg psia psig hPaa hPag Specifications A 1 May 2008 MR2350 MR2350 K Analyzer cont Analog Outputs Digital Outputs Serial Output Program Data Cable Entry Operational Storage Temperature Supply Power Power Consumption Enclosures Weight Three each configurable to any input 0 4 to 20 mA load resistance lt 500 ohms 0 1 to 5 V source resistance 249 ohms user selectable range user selectable condition in case of error to 110 10 or hold at last measured value Four relays SPDT dry contacts rated at 250 VAC 2 5 A PAC 300 VA cos phi gt 0 7 PDC 100W 100 VDC One relay is system alarm Three relays are configurable to any input failsafe mode energized de energized selectable programmable hysteresis high low alarm selectable RS485 update rate once per second Non volatile memory EEPROM Metric cab
43. or open packing distortion or any other evidence of mishandling If inspection indicates damage to the unit or any of its components notify the carrier promptly and request an inspection Move the carton to a clean work area and unpack the unit The MR2350 carton should contain RH Plus MR2350 analyzer User s Manual MDR3 probe with its cable Calibration certificate Figure 1 1 Unpacking the MR2350 Components 1 2 Features May 2008 RH Plus MR2350 K The MR2350 K carton should contain RH Plus MR2350 K analyzer User s Manual e MDR3 K probe with its cable or 2 Calibration certificate MDR3 N probe with its cables If MDR3 K probe only Dis present If MDR3 N probe 1 and are present Figure 1 2 Unpacking the MR2350 K Components Features 1 3 May 2008 Theory of Operation Moisture and temperature sensor signals are converted within the probe to frequencies allowing the use of shielded four wire cable up to 1000 feet in length without noise interference The raw frequencies can be displayed for troubleshooting calibration and function control Dewpoint calculated from relative humidity and temperature can be selected as the primary measurement unit Temperature and dewpoint are displayed in either F or C The temperature measurement is also used for compensation of the RH sensor Other units such as g m g kg and wet bulb temperature are also available MDR3 or MDR3 K Probe
44. or replace the probe 1 Open the analyzer covers as described on page 2 3 and disconnect the wires 2 Loosen the bushing using two wrenches as described on page 2 7 and remove the cable 3 When replacing the probe follow the instructions shown on page 2 7 Be sure to ground the cable shield 4 Ifthe probe has been replaced with a different probe be sure to follow the calibration procedure see Calibration on page 4 2 using the calibration sheet included with the new probe 5 6 Troubleshooting and Maintenance Appendix A Specifications MR2350 MR2350 K Analyzer 0 cece eee eee ee ee eee o A 1 Panel Mount Enclosure 0 cece cece cece eee e ees A 3 MDR3 Probe Lhasa ale bee Gate ia A 4 MDR3 N K Probe lese RR Ie A 5 May 2008 MR2350 MR2350 K Analyzer Electronics Standard Inputs Optional Input Moisture Probe User Interface Display European Compliance Units of Measure Moisture Temperature Pressure State of the art micro controller providing utmost flexibility to meet application needs Two moisture and temperature from MDR3 probe For pressure transducer providing live pressure compensation or other analyzer Signals 0 1 to SV 0 4 to 20 mA loop powered or 4 to 20 mA Interconnects with MDR3xx probe 5 push buttons easy configuration using programming matrix Alpha Numeric LCD displays measured value with units of measure matrix l
45. re available for the MDR 3 probe A Hardware 316 stainless steel ferrule is provided for use in pressurized systems For non pressurized systems a nylon ferrule is available tube by or 34 MNPT compression fitting ferrule x 16 O ring fitting x tube 316 DD compression fitting Flange with MNPT tube compression fitting adjustable probe insertion length For metric systems a compression fitting with gasket and G Y thread DIN ISO 228 is available Figure 2 2 Compression Fitting 3 16 5 4 places Dimensions are in inches millimeters Figure 2 3 Flange with Gasket and Fitting 2 2 Installation May 2008 Opening the Wall Mount Enclosure To access the mounting points and electrical connections open the case as follows refer to Figure 2 4 below 1 Ensure that no electrical power is present at the analyzer 2 Loosen the four plastic screws securing the cover to the enclosure and remove the cover Note The cover contains electronic components and is connected to the body of the analyzer Either provide support for the cover or unplug the cable from the enclosure 3 Remove two plastic inserts at the bottom corners of the unit Note Either pry the inserts out with a small screwdriver or fashion a tool by straightening a paper clip and making a right angle bend about 1 16 inch 1mm from the end 4 Unscrew
46. re used Below are descriptions for the specific cells that are used to control the operation of the instrument Note To assist in setting a value in a cell the cursor the flashing digit to be altered can be moved from digit to digit right to left by pressing the and buttons simultaneously Table 3 8 Operation Cells Descriptions Row VO Channel 1 data and selection of units of measure VO HO Displays moisture in units selected in cell VO H1 VO H1 Enter a number from the list below to select the desired moisture units to be displayed in VO HO This setting also affects the analog outputs and alarm setpoints 0 Td C dewpoint temperature 1 Td F dewpoint temperature 4 g m 5 g kg 6 96 RH 7 Pressure Td C 8 Pressure Td F 9 Tw C wet bulb temperature 10 Tw F wet bulb temperature 11 mmHg water vapor pressure 12 hPa water vapor pressure 13 Temperature adjusted RH special function VO H8 Displays the raw frequency value corresponding to the Channel 1 input moisture content Row V1 Channel 2 data and selection of units of measure V1 HO Displays data for Channel 2 normally the temperature V1 H1 Enter the units of measure for temperature O for C or 1 for F V1 H8 Displays the raw digital frequency value from the Channel 2 input temperature 3 10 Programming and Operation May 2008 Table 3 8 Operation Cells Descriptions cont Row V
47. the alarm set point Choose the settings for each relay find the combination below and enter a number from 0 to 7 Rly4 Rly3 Rly2 0 0 0 J OY Ln E CA NM KA CO Programming and Operation 3 13 May 2008 Table 3 8 Operation Cells Descriptions cont Row V9 Miscellaneous setup f the error number in case of malfunction in Channel 1 See troubleshooting section for the error number in case of malfunction in Channel 2 See troubleshooting section for the error number in case of malfunction in Channel 3 See troubleshooting section for e software version e g 1 02 Enable the displayed channel data to be transmitted on the RS 485 communication port once per second when non zero Perform a relay test Enter 1 to cycle the system alarm Enter 2 to cycle relay 2 Enter 3 to cycle relay 3 Enter 4 to cycle relay 4 Select the fail safe mode Enter 0 for relays to be de energized when an alarm is present Enter 1 for relays to be energized when an alarm is present Relay number 1 the system alarm is also controlled by this setting Auto sequence function Entering 1 causes the display to sequence through the active input channels For example using the MDR 3 probe the display would show the rh 96 value for 5 seconds then the temperature value for 5 seconds and back to rh 96 for 5 seconds and so on Entering 0 turns the sequencing function off Entering any number
48. times 0r if necessary Enter H User Setup mode O if necessary Access calibration row Select channel eS if necessary Access copy H function Enable it LOT if necessary Set CH1 H Temperature Compensation Reet OE Channel if necessary Set CH1 Pressure Select none Move to next cell Compensation Channel None Set Temperature Move to next cell Adjusted RH Temp Channel None Display CH1 Set channel 1 uni value RH B 2 Channel 1 Auxiliary Input Setup May 2008 SS _ a CCrr 4cnassss 5 8c vc cd cc Table B 1 Calibration Procedure Steps cont Press Button Resulting Display Comments Select channel VH 40 Move to next cell 0r if necessary Select Channel 1 Access copy Move to copy cell function Enable it or 1 enables copy function of selected if necessary channel No of H Move to nex li izati i 7 W en or Number of linearization points 2 if necessary Raw reading Move to nex Set to 4 MA Calibration Value Move to next cell or RH value at 4 mA if necessary Commit Move to nex Same value Next point 0r if pen Raw reading o next cell ue at 20 mA Calibration value 0r if necessary Commit Move to next cell Save value Note At the end make sure that VOHO reads 6RH Channel 1 Auxiliary Inp
49. ting Press Button 3 Comments Display Access Channel HOME VH 00 Move to home cell 1 output L 3 ia ION V 5 times VH 50 Move to Channel 1 output row Assign input or lag 1 Select Channel 1 or other if desired channel necessary Enter H VH51 Move to minimum value cell MINIMUM 0r Desired minimum Enter the measured value that should value if necessary value produce 0 or 4 mA output Enter H VH 52 Move to cell maximum Or Desired maximum Enter the measured value that should value if necessary value produce 20 mA output H o output type Turn the output on T utput on 0 would turn the output off necessary H Move to offset cell Enter offset a 0 20 mA if necessary 4 20 MA H o cell Enter th E 5 0 10 3 6 mA if fault fault mode or i if necessary 1 110 22 mA if fault 2 Hold freeze if fault 3 16 Programming and Operation May 2008 Relay Setup The following steps configure Relay 2 using cells V8 H0 V8 H1 and V8 H2 For Relay 3 use cells V8 H3 V8 H4 and V8 H5 For Relay 4 use cells V8 H6 V8 H7 and V8 H8 The following steps are required 1 Assign an input channel to control this relay 2 Enter the set point 3 Enter the hysteresis 4 For each relay choose whether it triggers when the measured value is above or below the set point First unlock the matrix by entering 50 into V9 H8 as described on page 3 9 and t
50. ut Setup B 3 May 2008 Index A D AG Power dan Ee at 2 9 Data Entering 3 4 Analog Output Setup 3 15 3 16 DC Power 04 2 10 Analyzer Specifications A Dewpoint a 1 4 Auxiliary Input Dimensions Channel 1 B 1 MDR3 or MDR3 K Probe 1 6 Configuration B 2 MDR3 N Probe 1 6 WAITING lepri ri ps B 1 MR2350 or MR2350 K 1 7 Panel Mount 1 8 C Wall Mount 2 e e Ka KK 1 7 Calibration Display ek das 3 3 Dada eed EM 4 1 Error Code 5 2 Pidcedi te ds vies ede newt he cys 4 2 Oscilloscope 5 5 Sheets ooi eran 4 1 Display Only Cells 3 5 Channel 1 Auxiliary Input B 1 B 2 E Configuration B 2 ErrorCodes 5 2 Components System 1 2 Description 5 3 Connecting Display vii 5 2 Outputs i kasseres EE 2 11 A ner 2 9 F Probe Cable 2 7 Function dA i a AA AKA 3 6 Connections Guide AA 3 6 Auxiliary Input B 1 Connectors Panel Mount 1 8 Controls iss bee ek hee ea 3 2 Current Outputs 2 11 Inputs Active 4 20mA 2 13 Auxiliary 2 12 Loop Powered 4 20mA 2 12 2 13 Invalid Loop Current 5 1 May 2008 Index cont L LCD Display a 3 3 Locking the
51. w gesensing com Ireland Sensing House Shannon Free Zone East Shannon County Clare
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