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Cermet II User’s Manual

6

 

 

 

97049 Issue 25.3, October 2016

INSTALLATION

2.3 Monitor

The monitor has a 5-digit display, set-up on delivery to display a dew-point temperature 

range of -100° to +20°Cdp (-148° to +68°Fdp).

Dew-point temperature units are displayed by the last LED located to the far right of 

the display. On delivery, °Cdp is set-up. If required, the units can be changed to °F. The 

method of con

fi

 guring the unit for °F is described in Section 3.2.

Optionally, the instrument can be set-up to read moisture content in parts per million 

(ppmV), pounds per million standard cubic  feet (lbs/MMSCF) or grams per cubic meter 

(g/m3). This option requires the hygrometer to be set-up as detailed in Section 3.2.

Four alarm indications are provided by four LEDs located on the bottom of the display. 

These are marked SP1, SP2, SP3, SP4. Access to the alarm relay contacts is provided 

on the rear panel. The connection for these alarm relay contacts is shown in 

Figure 15. 

NOTE: Every monitor is factory 

fi

 tted with 2 alarm relays as standard.

2.4 

Monitor Panel Layout

Figure 6 shows the layout of these controls and their respective operational functions.

Cermet II 

Advanced Online

©

ª

Setup

1

2

3

4

h

h

h

h

1

Increases the value of the displayed parameter; moves through each 

displayed parameter

2

Decreases the value of the displayed parameter; moves through each 

displayed parameter 

3

LED annunciations for Setpoints 1 - 4 

4

Saves programming settings, moves between programming steps 

Figure 6 

Control Layout and Functions

Содержание Cermet II

Страница 1: ...Cermet II Hygrometer User s Manual 97049 Issue 25 3 October 2016 Cdp Fdp Cermet II Advanced Online Setup...

Страница 2: ...nformation when contacting Michell Instruments for service purposes Instrument Code Serial Number Invoice Date Location of Instrument Tag No Instrument Code Serial Number Invoice Date Location of Inst...

Страница 3: ...ied or otherwise reproduced communicated in any way to third parties nor stored in any Data Processing System without the express written authorization of Michell Instruments Ltd For Michell Instrumen...

Страница 4: ...oltage Power Supply Input 14 2 8 2 Low Voltage Power Supply Input 15 2 9 Pressure Transducer Connection Optional 15 2 10 Transmitter Cable Connection 16 3 OPERATION MONITOR 17 3 1 Set Up Security Feat...

Страница 5: ...Supply Connections 15 Figure 15 Electrical Connection Detail 15 Figure 16 Cable Connections 16 Figure 17 Connector Installation 16 Figure 18 Location of the Lockout Switches 17 Figure 19 Installation...

Страница 6: ...A Toxic Materials The use of hazardous materials in the construction of this instrument has been minimized During normal operation it is not possible for the user to come into contact with any hazardo...

Страница 7: ...anometer ppmV parts per million by volume psig pound s per square inch gauge sec second s C degrees Celsius F degrees Fahrenheit V Volts Warnings The following general warnings listed below are applic...

Страница 8: ...le both in terms of setpoint and operating mode Current output is standard and factory set at 4 20 mA or optionally set at 0 20 mA or 0 10 V The monitor has a pressure input channel for any industry s...

Страница 9: ...ntial that the connection of electrical and gas supplies to this instrument be undertaken by competent personnel 2 1 Unpacking the Instrument The Cermet II hygrometer and accessories are packed in a b...

Страница 10: ...1 from the packing tube 7 2 Remove the foam block 2 3 Pull out the transmitter 4 from the tube complete with the two foam covers 5 and 6 and the red protective cap 3 4 Remove the foam covers from the...

Страница 11: ...packing the Cermet II Monitor The monitor 2 is packed together with its fixing clamps 1 as shown below 1 Cdp Fdp Cermet II Advanced Online Setup 2 Figure 3 Unpacking Monitor 2 1 3 Accessories Pack The...

Страница 12: ...Report any shortages immediately 2 6 4 5 9 8 3 Cdp Fd p Cerm et II Advanced Online Setup 1 Cermet II Hygrometer User s Manual 97049 Issue 25 1 June 2015 Cdp Fdp Cermet II Advanced Online Setup 7 Figu...

Страница 13: ...ometer to be set up as detailed in Section 3 2 Four alarm indications are provided by four LEDs located on the bottom of the display These are marked SP1 SP2 SP3 SP4 Access to the alarm relay contacts...

Страница 14: ...user wiring is required If the cable needs to be re wired see below Cable connection to the Cermet II transmitter is made via the removable connector Removing the central screw enables the connector t...

Страница 15: ...e or duct and can be operated at pressures of up to 45 MPa 450 barg 6500 psig when fitted with the bonded seal provided The recommended gas flow rate when mounted in the optional sampling block is 1 t...

Страница 16: ...s NOTE The following description relates to 6mm tube fixings The sample block ports are both NPT female process connections Tube adaptors are not supplied with the equipment but can be obtained by con...

Страница 17: ...lation engineer To mount the transmitter into the sample block preferred method proceed as follows refer to Figure 9 1 Remove the blue protective cover 2 and its desiccant capsule 2a from the tip of t...

Страница 18: ...ight seal a mounting flange will be required on the pipework in order to provide a flat surface to seal against The following procedure must be carried out by competent personnel 1 Ensure that the blu...

Страница 19: ...he threaded part of the transmitter and tighten to 30 5 Nm 22 5 ft lbs NOTE Use the flats of the hexagonal nut and not the transmitter body WARNING Under no circumstances should the sensor guard be ha...

Страница 20: ...nced Online Se tup Cerm et II Advanced Online Setup Figure 12 Mounting the Monitor 1 Pass the monitor 1 through the front of the panel 2 2 Support the monitor and attach mounting fixing brackets onto...

Страница 21: ...power supply to the monitor may be one of the following dependant on the type ordered 2 8 1 High Voltage Power Supply Input For high voltage powered display 85 to 265 V AC 50 60 Hz and 95 to 370 V DC...

Страница 22: ...or provides excitation voltage 24 V DC 20 mA for an auxiliary 2 wire transmitter used in the dual channel configuration Connect of the pressure transmitter to pin 6 of the monitor and of the pressure...

Страница 23: ...The transmitter cable connections are shown in the table below and in the figure above Connection Red wire Blue wire Green wire Yellow wire Monitor Pin 1 Pin 2 Pin 3 Pin 4 Transmitter Pin 3 GND Pin 1...

Страница 24: ...og output calibration and scaling Auxiliary optional channel set up Setting the engineering units Transmitter connection fault relay set up Other related advanced functions Table 2 Operation Access Le...

Страница 25: ...g m3 set digit 3 of CODE 7 to 0 1 2 3 0 1 9999 0 1 999 9 0 01 99 99 0 001 9 999 For example by setting CODE 7 to 102 displays PPMV with a resolution of 0 01 to a maximum of 99 99 Should the measured v...

Страница 26: ...If Delay NorM The relay will function normally with the inclusion of the time delays If Delay rEPt The make and break delays will repeat continually until the setpoint source returns to a level that...

Страница 27: ...e Baud rates are 300 600 1200 2400 4800 9600 19 200 and 57 6 K 3 Press SETUP again to advance to the parity bit and then the or buttons to change the parity bit Parity settings are odd even or off 4 P...

Страница 28: ...ue is sent It must be an ASCII number in the range of 32766 to 32766 Terminate The last character in the message is the message terminator and this must be either a or a If the is used as a terminator...

Страница 29: ...pressure transducer with a range of 0 to 100 barg SCA_2 0 0062 x 14 5 0 0899 OFF_2 1450 20 000 x 1450 1000 16 362 To exit the CAL menu set CAL to 000 and press SETUP six times to return to the main s...

Страница 30: ...ually 1 Enter the PROGRAM UNLOCK mode see Section 3 1 2 Press SETUP and the button to scroll through the menus and select CODE 7 3 Select the required pressure compensated value i e CODE 7 10X for ppm...

Страница 31: ...ity can damage the sensing element and similarly at low velocity they may blind the sensing element and reduce its response speed If particulate such as degraded desiccant pipe scale or rust is presen...

Страница 32: ...Guard The HDPE guard provides 10 m protection to the dew point sensor It is designed to show any contamination and the guard should be changed if the surface becomes discolored When replacing the guar...

Страница 33: ...Cermet II User s Manual 26 97049 Issue 25 3 October 2016 APPENDIX A Appendix A Technical Specifications...

Страница 34: ...scaleable Alarm Relays Standard Two relays SP1 and SP2 fully user programmable Form C contacts rated 10 A 240 V AC or 8 A 24 V DC Non inductive load Optional Two extra relays SP3 and SP4 fully user pr...

Страница 35: ...ating Specifications Operating Temperature 40 to 60 C 40 to 140 F Operating Pressure 45 MPa 450 barg max Flow Rate Mounted in standard sampling block 1 to 5 Nl min 2 1 to 10 6 scfh Direct insertion 0...

Страница 36: ...Cermet II User s Manual Michell Instruments 29 APPENDIX B Appendix B Setup Codes...

Страница 37: ...on Additional LED s Display data source Flashing Decimal points Rounding DEFAULT VALUE 200 Digit 1st digit left most Additional LED s 2nd digit Display Data Source 3rd digit 0 only No Function 0 LED a...

Страница 38: ...3rd digit Range for Result 0 Dew point N A 1 9999 1 ppmV N A 1 999 9 2 lbs MMSCF N A 0 01 99 99 3 g m3 Natural Gas N A 0 001 9 999 Setpoint control 1 6 Relay latching relay setup source DEFAULT VALUE...

Страница 39: ...Cermet II User s Manual 32 97049 Issue 25 3 October 2016 APPENDIX C Appendix C Register Settings Accessible by Digital Communication...

Страница 40: ...1 26 Scale Value Channel 2 27 Offset Value Result 28 Offset Value Channel 1 29 Offset Value Channel 2 30 to 33 N A 34 D A Zero Analogue O P 1 35 N A 36 D A Full Scale Analogue O P 1 37 to 64 N A 65 H...

Страница 41: ...1 Control Register 143 Setpoint 2 Control Register 144 Setpoint 3 Control Register 145 Setpoint 4 Control Register 146 to 147 N A 148 Brightness 149 Baudrate Settings 150 Serial Address 151 to 152 N A...

Страница 42: ...Cermet II User s Manual Michell Instruments 35 APPENDIX D Appendix D EU Declaration of Conformity...

Страница 43: ...Cermet II User s Manual 36 97049 Issue 25 3 October 2016 APPENDIX D Appendix D EU Declaration of Conformity...

Страница 44: ...Cermet II User s Manual Michell Instruments 37 APPENDIX E Appendix E Quality Recycling Warranty Information...

Страница 45: ...which may be harmful to the environment Similarly we are increasingly using recyclable and or recycled material in our business and products wherever it is practical to do so To protect natural resou...

Страница 46: ...ctive 2011 65 EU Article 3 24 defines Control and Monitoring Equipment specifically as monitoring and control instruments designed exclusively for industrial or professional use RoHS2 EU Directive 201...

Страница 47: ...s of our manufacturing In the unlikely event that any chemicals of concern appear in our products in quantities greater than 0 1 of total mass per product we will immediately inform you by corresponde...

Страница 48: ...ts for North America This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept...

Страница 49: ...Cermet II User s Manual 42 97049 Issue 25 3 October 2016 APPENDIX F Appendix F Return Document Decontamination Declaration...

Страница 50: ...icals YES NO Radioactive substances YES NO Other hazards YES NO Please provide details of any hazardous materials used with this equipment as indicated above use continuation sheet if necessary Your m...

Страница 51: ...Cermet II User s Manual 44 97049 Issue 25 3 October 2016 NOTES...

Страница 52: ...http www michell com...

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