IP2030_IM 0503 mcu900 installation manual.pmd
Contents
1. Duty Wizard 0 UNITS P200 PV Units P201 SV Units P202 __ TV Units P203 EV Units C PV DAMPING P210 Output PV Damping s 0 gt P240 Description MCU CONTROL gt P241 Message MESSAGE gt P242 __ Tag Number Control Unit MSP2000 CUSTOM P250 Start On None P251 Stop On None P252__ Stop If None P253 Start Time hh mm 07 00 P254 Interval hh mm 01 00 P255 Start Time 2 hh mm 00 00 P256 Interval 2 hh mm 00 00 P257__ Max Retries 10 OVERRIDES P270___ Auto Sequence Enable Off P271 Auto Sequence Qualifier 0 P272 Pump down Relay 0 P273 Pump down Interval hh mm 00 00 P274 Pump down Duration hh mm 00 00 P275 Energy Saving Start Time hh mm 00 00 P276 Energy Saving Relay Select 0 P277___ Scum Line Prevention variance 0 P278___ Scum Line Prevention relay 0 DIGITAL INPUT DIGITAL INPUT 1 P340 Digital Input 1 Action Free P341 Digital Input 1 Delay mmm ss 000 00 P342 Digital Input 1 On State Closed DIGITAL INPUT 2 P345 Digital Input 2 Action Free P346 Digital Input 2 Delay mmm ss 000 00 P347 Digital Input 2 On State Closed OUTPUT CURRENT OUTPUT P400 Lower range value as P200 0 P401 Upper range value as P200 100 P402___ Alarm action 3 6mA RELAY Relay Wizard 0 Reset RL Params RELAY 1 P410 Relay 1 Mode None P411 Relay 1 PV ON Point as P200 0 P412 Relay 1 PV OFF Point as P200 0 P413 Relay 1 Minimum ON Time mmm ss 000 00 P414 Relay 1 Maximum ON Time mmm ss 000 00 P415 Relay 1 Minimum OFF Time mmm ss 002. Ex MCU900 control units are double insulated and DO NOT require a mains earth DO NOT connect a mains earth to terminal 30 Terminal 30 is provided for use as an Intrinsically Safe or functional earth connection which MUST be used when a transmitter is mounted in a hazardous area and is connected to terminals 1 amp 2 Terminal 3 is to be used for connection of the shield of the twisted pair transmitter cable when the MCU900 is powering the transmitter See Fig 8 and 9 Note that this shield should be left unconnected at the transmitter end unless there is a terminal provided specifically for this purpose 3 7 Relays The 5 voltage free contact relays are grouped in the following configuration MCU900W Wall Mount Control Unit MCU900OP Panel Mount Control Unit Relay 1 amp 2 Group 1 Relay 1 2 amp 3 Group 1 Relay 3 amp 4 Group 2 Relay 4 amp 5 Group 2 Relay 5 Group 3 The relay NO C NC labels represent the relay terminals in the de energised state Note that whilst each relay is individually double insulated their arrangement is such that insulation between relays in the same group is standard or basic insulation Care must be taken in order to avoid the risk of electric shock It is not allowed to use relays in the same Group to control circuits with both mains and dc or low voltage circuits 16 3 8 Current Output The current output may be connected in internally powered mode or loop powered m
3. P200 ay 5 Minimum ON Time elay 5 Maximum ON Time lay 5 Minimum OFF Time Reng level alarm delay elay operations elay operations relay select Relay runtime mmmMm SS mmm ss mmm ss mmm ss hh mm an 00 000 00 000 00 oe 00 Seabed 00 00 Relay runtime relay select Pisanie MONITOR DIRECT TOTALISER Totaliser Wizard 0 P530 _ Totaliser Factor 0 P531 Totaliser Units None P534 Totaliser Pulse width ms 100 P535 Sampler Factor 0 ALARM P540 PV Out of Limits None P541 Current Output Saturated None P542 Logging Memory Filling None P543 Digital Input 1 Active None P544 Maximum number of retries None P545 Current Input Saturated None P547 Rising level None RELAY P548 Relay operations None P549 Relay runtime None P550 Pump efficiency None P551 No activity None FAULT P560 System Fault Alarm Both P561 Control Unit Temperature over Limits None P562 Transmitter Fault Both DISPLAY P570 Display Select 1 upper P731 Time P571 Display Select 2 mid D800 PV P572 Display Select 3 lower Bargraph P573 Decimal places 3 P575 Backlight On Off On LOGGING Logging Wizard 0 P590 Logging interval min 0 P591 Fast logging select mode as P200 0 Off P592 Do Do not overwrite old data On P593 Low Memory Alarm Threshold 0 SYSTEM TEST AUTO CYCLE Self T
4. allow movement from one screen to the next By pressing ESC repeatedly the screen will always return to the normal display as shown in Fig 2 Movement through the menu structure using the arrows is shown by the titles being highlighted ie reversed to show white letters on a dark background The LCD is backlit for operator convenience This can be turned off if required Some basic introductory programming details are given in Appendix 1 whilst full programming and operating instructions are given in Manual IP2030 OM Quickstart manuals are also available covering use of the MCU900 MCU902 MCULOG and MCU90F with a Mobrey ultrasonic transmitter s 2 2 Type Numbering System MCU Mobrey Control Unit 901 Standard model 902 Differential model LOG Logging model 90F Open channel flow model WX Wall mounting PX Panel mounting A ATEX certified 115V ac 230V ac mains powered A24 24V dc powered 2 3 Safety Data Type numbers See above Certificate number BASOOATEX7064 and BASOLATEX7225X ATEX Coding EU Directive 94 9 EC x I1 1 GD Cenelec Coding EEx ia IIC 40 C lt Ta lt 55 C Safety Parameters Terminal 1 24V w r t terminal 2 lin Terminal 2 lin w r t terminal 3 Earth Terminal 1 24V w r t terminal 3 Earth Ui 0 Ui 30V Uo 28V li 120mA lo 120mA Li O 1lmH Po 0 82W Ci 0 6nF Li 0 2mH Uo 6 51V Cap charging only Ci 0 6nF lo O Po 0 The capacitance and either inductan
5. outdoor installation and a Panel mounting control unit designed for direct mounting in a control panel The controller will accept a 4 20mA signal from a self powered transmitter or can provide 24V dc power to the transmitter if required A HART transmitter powered from the MCU900 can be connected to the MCU900 and all Universal plus some Common Practice commands will be implemented The MCU900 may be connected to a 4 20mA transmitter installed in a hazardous area However the MCU900 is designed for mounting in a non hazardous safe area Control functionality is provided by the 5 SPCO voltage free contact relays in the MCU900 There is also an isolated 4 20mA signal out For applications where the functionality of the MCU9OO is linked to other external events 2 digital input ports are provided to accept contact closure signals The MCU900 is simply programmed using the 6 key membrane keypad on the front of the unit Menu structured programming is employed with the display assisting the user with dynamic help text 1 1 Control Unit Functions Using either a standard 4 20mA input or a digital HART input from a transmitter the MCU900 control unit will provide the following functions e Calculation and display of the MCU900 Primary Variable PV The user can choose this to be the reading coming from the transmitter which may be a depth or distance measurement from a HART ultrasonic transmitter or may be a mA reading from a pressure
6. relay select 0 P497 No activity dela hh mm 00 00 P498 No activity rela 0 TOTALISER Totaliser Wizard 0 P530___ Totaliser 1 Factor 0 P531 Totaliser 1 Units None P532___ Totaliser 2 Factor 0 P533___ Totaliser 2 Units None P536___ Totaliser 2 Source None P534___ Totaliser Pulse width ms 100 P535__ Sampler Factor 0 ALARM P490__ Rising level alarm delay mmm ss 000 00 P491 Relay operations 0 P492__ Relay operations relay select Disabled P493 Relay runtime hh mm 00 00 P494 Relay runtime relay select Disabled P495 Pump efficiency limit 0 P496 Pump Efficiency relay select 0 P497 No activity delay hh mm 00 00 P498 No activity rela 0 TOTALISER Totaliser Wizard 0 P530___ Totaliser 1 Factor 0 P531 Totaliser 1 Units None P532___ Totaliser 2 Factor 0 P533__ Totaliser 2 Units None P536__ Totaliser 2 Source None P534 _ Totaliser Pulse width ms 100 P535___ Sampler Factor 0 ALARM P540 PV Out of Limits None P541 Current Output Saturated None P542 Logging Memory Filling None P543 Digital Input 1 Active None P544 Maximum number of retries None P545 Current Input Saturated None P547 Rising level None RELAY P548 Relay operations None P549 Relay runtime None P550 Pump efficiency None P551 No activit None FAULT P560__ System Fault Alarm Both FAULT P561 Control Unit Temperature over Limits None FAULT P562 __ Transmitter Fault Both DISPLAY P570 Display Select 1 upper P731 Time DISPLA
7. the positions VY e a 24y a E Hazardous Area Connections D OO Q TOOU OO 4 5 6 7 8 9 4 24V lout OV CURRENT INPUT RS232 CURRENT OUT O O O 10 11 12 IN1 IN2 OV DIGITAL INPUT Figure 4 Connection Terminal Layout mains version shown Note that not all of the terminals are labelled on the pcb a wiring label is positioned in the box The transmitter connections are on the left side of the terminal enclosure The l S Earth Terminal 30 must be connected to an Intrinsically Safe Earth if the transmitter connected to terminals 1 and 2 is located in a hazardous area Terminal Function Layout 1 Loop supply 24V 2 Current Input lin 3 Screen L 4 6 RS232 RX TX OV 7 9 Current Output 24V lout OV 10 12 Digital Input 1 amp 2 IN1 IN2 OV 13 15 Relay 1 NO COM NC 16 18 Relay 2 NO COM NC 19 21 Relay 3 NO COM NC 22 24 Relay 4 NO COM NC 25 27 Relay 5 NO COM NC 28 29 Mains Input L N mains version only 30 IS Earth elk 31 Negative DC version only 32 Positive DC version only 10 3 3 MCU9OOP Panel mounting models Do not mount the MCU9OOP on a panel that is subject to vibration or in a position where damage may be caused by impact thermal stress or liquid ingress The MCU900P control unit is rated IP40 and is designed for panel mounting in a weatherproof environment An optional fascia overlay hood is available which improves the IP rating to IP65 See appendix 1 A Rack mounting kit is available which
8. 0 00 RELAY 2 P420 Relay 2 Mode None P421 Relay 2 PV ON Point as P200 0 P422 Relay 2 PV OFF Point as P200 0 P423 Relay 2 Minimum ON Time mmm ss 000 00 P424 Relay 2 Maximum ON Time mmm ss 000 00 P425 Relay 2 Minimum OFF Time mmm ss 000 00 RELAY 3 P430 Relay 3 Mode None P431 Relay 3 PV ON Point as P200 0 P432 Relay 3 PV OFF Point as P200 0 P433 Relay 3 Minimum ON Time mmm ss 000 00 P434 Relay 3 Maximum ON Time mmm ss 000 00 P435 Relay 3 Minimum OFF Time mmm ss 000 00 RELAY 4 P440 Relay 4 Mode None P441 Relay 4 PV ON Point as P200 0 P442 Relay 4 PV OFF Point as P200 0 P443 Relay 4 Minimum ON Time mmm ss 000 00 P444 Relay 4 Maximum ON Time mmm ss 000 00 P445 Relay 4 Minimum OFF Time mmm ss 000 00 24 25 RELAY 5 P450 Relay 5 Mode Fault P451 Relay 5 PV ON Point as P200 0 P452 Relay 5 PV OFF Point as P200 0 P453 Relay 5 Minimum ON Time mmm ss 000 00 P454 Relay 5 Maximum ON Time mmm ss 000 00 P455 Relay 5 Minimum OFF Time mmm ss 000 00 ALARM P490 Rising level alarm dela mmm ss 000 00 P491 Relay operations 0 P492 Relay operations relay select Disabled P493 Relay runtime hh mm 00 00 P494 Relay runtime relay select Disabled P495 Pump efficiency limit 0 P496 Pump Efficiency
9. 34 Relay 3 Maximum ON Time P435 ser 3 Minimum OFF Time RELAY 4 P441 Relay 4 PV ON Point P442 Relay 4 PV OFF Point _ P445 ay 4 Minimum OFF Time RELAY 5 P450 Re say 5 Mode P452 ay 5 PV OFF Point P453 Relay 5 Minimum ON Time P454 Relay 5 Maximum ON Time ALARM P490 Rising level alarm delay P491 Relay operations P492 P493 P494 elay operations relay select elay runtime ay runtime relay select P497 No activity dela ii fo P498 activity rela Totaliser Wizard P530 Totaliser 1 Factor P531 P532 Totaliser 1 Units aliser 2 Factor e P533 Totaliser 2 Units P536 P537 P534 P535 Totaliser 2 Source aliser 2 Decimal Places aliser Pulse width ojo Sampler Factor 27 SETUP contd OUTPUT contd ALARM P540 PV Out of Limits P541 Current Output Saturated Logging Memory Filling Digital Input 1 Active Maximum number of retries Current Input Saturated Rising level RELAY Relay operations Relay runtime No activity FAULT System Fault Alarm Control Unit Temp over Limits Transmitter Fault DISPLAY Display Select 1 upper Display Select 2 mid Display Select 3 lower Decimal places Backlight On Off LOGGING SYSTEM TEST DEFAULTS Logging interval Fast logging select mode Do Do not overwrite old data AUTO CYCLE Low Memory Alarm Thresh
10. Channel 1 output DIRECT Pxxx 28 29 30 31 Level Installation Maintenance Instruction Leaflet IP2030 IM November 05 Mobrey Measurement 158 Edinburgh Avenue Slough Berks UK SL1 4UE T 44 0 1753 756600 F 44 0 1753 823589 mobrey sales EmersonProcess com www mobrey com Mobrey SA NV Belgium Mobrey GmbH Deutschland Mobrey SA France Mobreyspzoo_ Polska Mobrey AB Sverige Mobrey Inc 19408 Park Row Suite 320 Houston TX 77084 USA T 281 398 7890 F 281 398 7891 mobrey sales EmersonProcess com www mobrey com tel 02 465 3879 tel 0211 99 808 0 tel 01 30 17 40 80 tel O22 871 7865 tel 08 725 01 00 2005 Mobrey The right is reserved to amend details given in this publication without notice 32 QUALITY MANAGEMENT EMERSON Process Management
11. Installation maintenance instruction leaflet IP2030 IM November 2005 Level Mobrey MCU9O00 Series industrial transmitter control unit Software version 2 0 MCU900 is the generic name used in this manual for the MCU900 range of control units comprising MCU901 MCU901 24V MCU902 MCU902 24V MCULOG MCULOG 24V MCU90F MCUSOF 24V mobrey EMERSON www mobrey com Process Management Safety Precautions The following safety precautions should be observed before using this product or working on the attached cables This MCU9OO product is intended for use by qualified personnel who recognise shock hazards and are familiar with the safety precautions required to avoid possible injury Read the operating information carefully before using the product The types of product users are Responsible body This is the individual or group responsible for the use and maintenance of equipment and for ensuring that operators are adequately trained Operators use the product for its intended function They do not require access to the electrical connections within the control box and would normally only operate the external keypad and monitor the display Maintenance personnel perform routine procedures on the product to keep it operating for example checking the line voltage or checking electrical connections replacing mains fuses etc Service personnel are trained to work on live circuits and perform safe inst
12. U900W Wall mounting models 10 3 3 MCU9OOP Panel Mounting models 11 3 3 1 Mounting in the panel 11 3 3 2 Electrical connections MCU9OOP Panel mounting models 13 3 4 Notes on transmitter installation amp cabling 14 3 4 1 Special notes for connecting HART transmitters 15 3 5 Power connection 16 3 6 Earthing 16 3 7 Relays 16 3 8 Current output 17 3 9 Digital control voltage free contact inputs 17 3 10 RS232 18 4 Maintenance Inspection 18 5 Accessories 18 Appendices Appendix 1 Introduction to programming the MCU900 Associated manuals IP2040 QS Quickstart Manual covering use of the MCU900 with a Mobrey ultrasonic transmitter IP2041 QS Quickstart manual for Differential system IP2030 0M Detailed technical programming and operating manual IP2030 SI Safety Instruction Manual IP2042 QS Quickstart manual for Logging system Footnote In this manual the following terms are used which refer to trademarks from other manufacturers HART is the protocol adopted for the MCU900 SMART Communications HART is a registered trademark of the HART Communications Foundation and is a mnemonic for Highway Addressable Remote Transducer 1 0 Product Introduction MCU90OO is the generic family name for a range of industrial transmitter control units providing a wide range of control functions and a visual display of the measured variable There are two mounting styles available a tough IP65 Wall mounting control unit for either indoor or
13. Y P571 Display Select 2 mid D800 PV DISPLAY P572 Display Select 3 lower Bargraph DISPLAY P573 Decimal places 3 DISPLAY P575 Backlight On Off On LOGGING Logging Wizard 0 P590 Logging interval min 0 P591 Fast logging select mode as P200 0 P592 Do Do not overwrite old data On P593 Low Memory Alarm Threshold 0 SYSTEM TEST AUTO CYCLE Self Test TEST DISPLAY Display Test TEST CURRENT INPUT 4mA input adjust TEST CURRENT INPUT 20mA input adjust TEST CURRENT OUTPUT P700 4mA output adjust TEST CURRENT OUTPUT P701 20mA output adjust TEST CURRENT OUTPUT P702 Set Current mA 0 DEFAULTS DEFAULTS COMMS P710__ Comms Address 0 COMMS P711 Interface Type Log download COMMS P712 Baud Rate 9600 COMMS P713 No of Start Bits 1 COMMS P714 No of Data Bits 8 COMMS P715 Parity of Data Even COMMS P716 No of Stop Bits 1 DIRECT SETTINGS P730 Date 01 01 00 SETTINGS P731 Time SETTINGS P734 Date format dd mm yy SETTINGS P735 Keypad Sound On Off On SETTINGS P737 Language English SETTINGS P740 Personal Identification Code 0000 gt Xmtr Wizard 0 FIXED D750 Model Code MCU902WX A FIXED D751 Serial Number Control Unit 000000 FIXED D752 Hardware Revision 8 FIXED D753__ Software Version 12 FIXED D760 Manufacturer s Code Sol Mobrey FIXED D761 Unique ID 000000 FIXED D762 Uni
14. allations and repairs of products Only properly trained service personnel may perform installation and service procedures However the only serviceable part in MCU9OO is the mains cartridge fuse Users of this product must be protected from electric shock at all times Product users must be trained to protect themselves from the risk of electric shock MCU900 Control Units are double insulated and do not require a mains earth Periodically inspect the connecting cables for possible wear cracks or breaks The fuse must only be replaced with same type and rating for continued protection against fire hazard To clean the instrument use a damp cloth with a mild water based cleaner Clean the exterior of the instrument only Do not allow liquids to enter or spill on the instrument WARNING If this equipment is used in a manner not specified by Mobrey Measurement the protection provided may be impaired The MCU900 is regarded as permanently installed equipment and as such a double pole switch or circuit breaker must be included in the installation This should be in close proximity to and not obstructed by the equipment This must be marked as its disconnecting device Disconnect supply before removing cover The IP rating is only achieved when unit is correctly assembled with supplied parts and suitable cables Customer supplied glands must be suitable for application Under no circumstances must voltages higher than those stated in this ma
15. allows mounting of an MCU9OOP in a standard 19 rack Up to two control units can be mounted in one rack each MCU9OOP requires a mounting kit See appendix 1 Where 3 or more MCU900P control units are fitted in the same cabinet or panel ensure that there is adequate air circulation to aid cooling It is recommended that an air circulation fan be fitted The MCU900P requires at least 165mm clearance behind the mounting panel to avoid fouling Once mounted all wiring is made at the rear of the unit using the two part terminal blocks provided A pre wired logged data download socket suitable for front panel mounting is provided with MCULOG control units 3 3 1 Mounting in the panel Mount the control unit on a panel with thickness between 1 5mm to 10mm ensuring the panel is strong enought to support the 1 2kg weight of the MCU900 Ensuring there is enough clearance behind the chosen position in the panel 165mm min cut a slot 138mm long by 68mm high i e landscape or horizontal slot in the panel and remove any rough edges Unpack the two screw clips provided Identify the moulded lugs in the moulded recesses on each side of the control unit ignore the recesses on the top and bottom of the control unit Holding the screwdriver slot end of the threaded spindle of one of the screw clamps and looking at the rear of the control unit locate the screw clip frame on the side of the control unit and see how the 4 steel lugs of the screw c
16. ansmitter powered by the MCU90O0 it is possible to programme a HART transmitter using the MCU900 keypad Full communication with Mobrey HART ultrasonic transmitters allowing access to all transmitter parameters is supported whilst Universal and some Common Practice commands of other HART transmitters is possible in accordance with HART protocol 2 0 Mobrey MCU900 Series Controller 2 1 Display and Keypad Model MCU900P shown Se RN as ae ks MCU900 Figure 1 MCU900 keypad and LCD display Note The keypad display and operation are common to both Wall and Panel mounting options The MCU900 display is fully field configurable and may be customised to suit the requirements of the user Typically the 4 line display is as shown in Figure 2 The top line shows whether the programme lock is open together with the time display The actual measurement the MCU900 Primary Variable PV is displayed in the centre using double height characters The lower line shows a bargraph representation of the 4 20mA current output of the control unit proportional to the PV 0 100 Figure 2 Typical MCU900 liquid crystal display Additional flags on the display show the status of the five relay outputs RL1 to RL5 and of the digital control inputs into the MCU900 Keypad Operation There are 6 buttons on the MCU90O0 front panel The four ARROWS allow navigation around the programming menu and the ESC and 1 buttons
17. ce or inductance to resistance ratio L R of the cable and equipment connected to the intrinsically safe output terminals must not exceed the following values Group Capacitance Inductance or L R Ratio IIC 0 082 uF 1 2mH 42 uH Q IIB 0 65uF 10 9mH 172 pH Q IA 2 15uF 21 9mH 346 pH Q Q 082uF of which total Ci of the hazardous area apparatus connected must not exceed 0 020uF Terminal 2 lp w r t Terminal 3 Earth must be treated as a 6 51V source The 6 51V is considered as being the theoretical maximum to which a capacitive load across these terminals could become charged through leakage through internal series blocking diodes This voltage does not contribute to the short circuit sparking risk of any external source connected to these terminals 2 4 Electrical Specifications Cable Entry 5 x 20mm 3 blanking plugs 2 cable glands Cable connections Cage clamp terminal block suitable for 2 5mm max cable Supply voltage Switch selected Mains 115Vac voltage range 98Vac 127Vac 50 60Hz Mains 230Vac voltage range 196Vac 254Vac 50 60Hz DC 24Vdc voltage range 15Vdc 30Vdc Power consumption Mains 1OVA at nominal supply voltage Mains 18VA Max DC 9W max Fuse Mains 200mA T 5 x 20mm 250V Transmitter input 4 20mA Earth referenced in MCU900 CAT 1 30V dc Max Digital inputs Unit accepts two trigger input signals See WARNING Voltage free contact closure in section Safety Precautions
18. eport None D831 Fault report None DIAGNOSTICS D835 Digital input status D840 Current input mA D842 Current input D844 Temperature of Control Unit C D845 Time to next Pump Down hh mm D846 Logging Memory Free D848 Date of Last Change dmy D849 Date of 1st Power On dmy CHANNELS Channel 1 output PUMP EFFICIENCY Pump efficiency RL1 Pump efficiency RL2 Pump efficiency RL3 Pump efficiency RL4 Pxxx Dxxx 23 A2 3 7 2 Menu structure and parameter list for the MCU902 Function Menu Option Cancel Password Go Offline SETUP v v Sub menu Level 1 Sub menu Level 2 Sub menu Level 3 Par No Parameter Name Units Default Cancel Password Go Online Offline PV CALCULATION CHANNEL 1 P111 Channel 1 Input Source TA PV P4412 Channel 1 Input Offset 0 P113 _ Channel 1 Profile Scaled P114 Channel 1 Input Scale Factor 1 P115___ Channel 1 Non Linear Data 0 P116___ Channel 1 Post Scale NLP 1 P117___ Channel 1 Low Cut off as P201 AUTO CHANNEL 2 P121 Channel 2 Input Source Tx2 PV P422 Channel 2 Input Offset 0 P123 _ Channel 2 Profile Scaled P124 Channel 2 Input Scale Factor 1 P125__ Channel 2 Non Linear Data 0 P126__ Channel 2 Post Scale NLP 1 P127___ Channel 2 Low Cut off as P202 AUTO gt P150 Output Mapping Ch1 gt P151 MCU Fourth Variable Source Tx1 FV gt P321 Current Input 1 Damping sec 5 DUTY Mode gt
19. est DISPLAY Display Test CURRENT INPUT 4mA input adjust 20mA input adjust CURRENT OUTPUT P700 4mA output adjust P701 20mA output adjust P702 Set Current mA 0 DEFAULTS DEFAULTS COMMS P710 _ Comms Address 0 P711 Interface Type Log download P712 Baud Rate 9600 P713 No of Start Bits 1 P714 No of Data Bits 8 P715 Parity of Data Even P716 No of Stop Bits 1 SETTINGS P730 Date 01 01 00 P731 Time P734 Date format dd mm yy P735 Keypad Sound On Off On P737 Language English P740 Personal Identification Code 0000 Xmtr Wizard 0 FIXED D750 Model Code MCU902WX A D751 Serial Number Control Unit 000000 D752 Hardware Revision 8 D753 Software Version 12 HART D760 Manufacturer s Code Sol Mobrey D761 Unique ID 000000 D762 Universal Command Revision 5 D763 Transmitter Spec Command Rev 1 D764 Preamble Bytes 5 D765 Flags 1 READINGS Primary Variable Secondary Variable Tertiary Variable Fourth Variable Current Output Current output D809 Rate of Change PV min RELAY RELAY OPERATIONS D811 Relay 1 Operations 0 D812 Relay 2 Operations 0 D813 Relay 3 Operations 0 D814 Relay 4 Operations 0 D815 Relay 5 Operations 0 D820 Relay Status RELAY RUN TIME D821 Relay 1 Run Time hh mm D822 Relay 2 Run Time hh mm D823 Relay 3 Run Time hh mm D824 Relay 4 Run Time hh mm D825 Relay 5 Run Time hh mm D828 __ Totaliser 1 Value P531 D830 Alarm r
20. he two part terminal connectors provided Note that it is the responsibility of the installer to observe all local regulations and approval requirements and to ensure wiring is suitable for the load current and the insulation is suitable for the voltage temperature and environment of the installation Obtain and check any hazardous area work permits before applying power to the MCU900 Figure 7 below show the layout of the terminal connections Terminal blocks are suitable for wires 0 5mm to 2 5mm Insulation should be stripped back 7mm Note the protective shield surrounding the transmitter connection terminals 1 3 On no account must this shield be damaged or removed as it is an integral part of the Intrinsically Safe design of the MCU9OOP The l S Earth Terminal 30 must be connected to an Intrinsically Safe earth if the transmitter connected to terminals 1 and 2 is located in a hazardous area 13 fears ola fie 19 20 21 NO C NC NO C NC NO C NC RELAY 1 RELAY 2 RELAY 3 DIGITALINPUT __RS232__ CURRENT OUT RELAY 4 RELAY 5 pe ler OV RX eae zav pleut ov NOJ C ee NOJ C NC 10 ee 2 NS 9 22 23 24 25 26 27 Figure 7 Connection descriptions Data download socket Terminal Function Layout MCULOG trol unit 1 Loop supply 24V e control units 2 Current Input lip 3 Screen 1 6 RS232 RX TX OV Connect the flying leads 7 9 Current Output 24V lout OV ae aoa 10 12 Digital Input 1 am
21. ible between the transmitter and MCU900 is determined by the limits imposed by the intrinsically Safe certificates of the instruments No other outputs from the MCU900 must be routed through a hazardous area unless protected by an additional S Barrier It is the responsibility of the user to ensure that any transmitter is installed in accordance with the manufacturer s instructions supplied with the transmitter Cable between the MCU900 and the transmitter should be twisted pair shielded with the shield connected to terminal 3 marked nt in the MCU900 The shield should be left unconnected at the transmitter unless there is a terminal specifically provided for this purpose Cable runs should be separate from any high voltage or mains cables to avoid crosstalk or interference Multicore cable may be used provided that other cores carry only low voltage 24V dc nom signals and each pair of cores is individually shielded Loop powered transmitters must be connected to terminals 1 3 as shown below Note different arrangement of terminals in MCU900W and MCU9OOP Figure 8 The MCU900 is able to provide 24V dc to a transmitter with a max load of 25mA Separately powered transmitters must be connected to terminals 2 and 3 as shown below Figure 9 14 3 4 1 Special notes for connecting HART transmitters including MSP9OOSH A transmitters to the MCU902 Control Unit The MCU902 Control Unit takes the input from two HART transmi
22. ils to allow the MCU900 to perform the necessary calculations To assist the user in understanding MCU900 programming it is convenient to imagine these application specific data to be stored in memory locations called Parameters each of which has a unique address Not all parameters are necessary for each application Programming the correct parameters for your particular application is made easy by Mobrey Wizards which navigate the user around the menu structure and request only the data needed for your chosen application A listing of the MCU900 parameters their location in the menu structure and their units default values is given at the rear of this manual Also the parameter listing for the Mobrey MSP9OOSH is given as this is a popular choice of transmitter to use with this MCU900 control unit You are strongly recommended to use these Wizards whenever possible Before the Mobrey wizards are explained in more detail it is important that the user understands the input to the MCU900 and what is being shown on the display 19 A2 1 Understanding the input to the MCU900 and what is shown on the display The MCU900 may be used with either a 4 20mA transmitter or a digital HART transmitter A2 1 1 Using a transmitter with a standard 4 20mA output Any transmitter with a 4 20mA output may be connected to the MCU900 Exactly what this 4 20mA represents is a function of the transmitter The transmitter can not be re ranged b
23. lamp frame locate on the moulded lugs of the control unit Gently pull the screw clamp such that the lugs engage with each other see Figure 5 Figure5 Remove the screw clamp and slide the control unit into the panel ensuring that the panel seal provided is in place behind the control unit bezel Re fit the screw clamps one on each side of the control unit and tighten with a screwdriver to clamp the control unit in place against the panel ll Figure 6 65 8 MCU9O00OP Control Unit dimensions mains unit shown Panel mounting details Panel cut out 138mm x 68mm Allow 165mm clearance behind panel 144 8 5 7 173 156 a FUSE 200mAC T I Logged data download socket MCULOG control units only See pagel 3 for wiring instructions VIEW ON REAR OF MCUSOOP 3 2 Drill a hole in the panel at a suitable location such that the socket flying leads can be wired to terminals 4 5 and 6 at the rear of the MCU9OOP 20 5 13 14 15 16 17 18119120 21 T 14 7 nel cnc no 0 omer mT W212 Sem RELAY m RELAY 4 x BISPS PSS 1oliifizl4 slel71el9 12324 25 26 2 I 144 8 12 3 3 2 Electrical connections MCU90OP Panel mounting models Ex All connections are made at the rear of the control unit using t
24. nual be applied The installation of the MCU900 and its associated power cables must be such that tank overflow local flooding or pump failure do not cause these to be submerged or subject to flows of water Sensors and sensor cabling can be submerged without hazard to equipment operators when correctly connected as described in this manual Explanation of symbols A Refer to manual The l S earth terminal marked L must be connected to an external Intrinsically safe earth for all hazardous area systems CHECK THAT THE POWER SUPPLY IS SUITABLE BEFORE SWITCHING POWER ON Internal adjustments can select mains 115 Volts AC power which makes the equipment unsuitable for 230V AC supplies Check this Voltage selection switch is suitable set for the available power supply HAZARDOUS AREA SYSTEMS Where the MCU9OO is connected to a transmitter located in a hazardous area additional instructions apply Refer to page 6 and safety instruction leaflet IP2030 S1 The symbol in the text of this manual refers the reader to page 6 and safety instruction leaflet IP2030 SI as relevant CONTENTS Page 1 Product Introduction 4 1 1 Control Unit functions 4 2 Mobrey MCU900 Series Controller 5 2 1 Display and keypad 5 2 2 Type numbering system 6 2 3 Safety data 6 2 4 Electrical Specifications 7 3 MCU900 Control Unit Installation 8 3 1 Environmental specification 8 3 2 MCU90O0W Wall Mounting models 8 3 2 1 Electrical connections MC
25. ode See connections in Fig 10 below In Loop powered mode an external power source is required A minimum of 2 5V is required across terminals 7 and 8 for correct operation The external voltage must not be more than 30V dc 24y 24v 7 lo lo aa Load External Ov o Ov supply z E Load Internally powered Loop powered Figure 10 Alternative current output configurations 3 9 Digital Control Voltage free contact inputs There are 2 trigger inputs IN1 and IN2 The digital trigger input is connected as shown below External an a contact closure Figure 11 Connection for external trigger input 3 10 RS232 The RS232 connections Terminals 4 6 may be used for exchanging data with a PC or handheld device The configuration of the Control Unit may be read or modified using an application such as Mobrey H Conf401 running on a PC For the MCULOG the logged data is downloaded from the RS232 port via a socket connection provided using Mobrey LogView running on a PC 4 Rx 5 Tx 6 OV 4 0 Maintenance Inspection CONTROL UNIT No maintenance is required beyond occasional cleaning of the enclosure with a damp cloth Solvents or bleaches should not be used Do not modify or attempt to repair the unit Check lid and glands are tight also check unit for damage and if damaged do not use 5 0 Accessories Rack mounting kit for MCU900P Panel Mounting models Comprises one pre cut aluminium panel dimension
26. old Self Test DISPLAY Display Test CURRENT INPUT 4mA input adjust 20mA input adjust CURRENT OUTPUT 4mA output adjust 20mA output adjust Set Current Load Defaults COMMS Comms Address Interface Type Baud Rate No of Start Bits No of Data Bits Parity of Data No of Stop Bits SETTINGS Date Time Date format Keypad Sound On Off Language Personal Identification Code 1 Xmtr Wizard FIXED Model Code Serial Number Control Unit Hardware Revision Software Version HART Manufacturer s Code Unique ID Universal Command Revision Transmitter Specific Cmd Rev Preamble Bytes Flags MONITOR READINGS DIAGNOSTICS ANSWERS Primary Variable Secondary Variable Tertiary Variable Fourth Variable Ullage Current Output Current output Rate of Change RELAY RELAY OPERATIONS Relay 1 Operations Relay 2 Operations Relay 3 Operations Relay 4 Operations Relay 5 Operations Relay Status RELAY RUN TIME Relay 1 Run Time Relay 2 Run Time Relay 3 Run Time Relay 4 Run Time Relay 5 Run Time Totaliser Value Alarm report Fault report Digital input status Current input Current input Temperature of Control Unit Logging Memory Free Date of Last Change Date of 1st Power On CHANNELS
27. on Relay Outputs 5 x SPCO Relays rated 5 Amp at 250 Vac Resistive Page 2 Please refer to section 3 7 for safety use Current Output 4 20 mA isolated into 1kQ max If externally powered then max voltage is 30Vdc DC Power Output 24V DC for transmitter 25mA max load HART HART digital communications to transmitter 3 0 MCU900 Control Unit Installation The control unit must not be mounted in areas where an explosion hazard exists If connecting the MCU900 to a 4 20mA transmitter located in a hazardous area refer also to instructions on page 6 and in safety instruction leaflet P2030 SI Refer also to the important safety precautions detailed at the start of this manual 3 1 Environmental Specification Ambient temperature 40 C to 55 C Max Altitude 2000m Max Humidity 100 RH Electrical Safety Conforms to EN61010 1 Installation Category III Supply voltage lt 127Vac Il Supply voltage lt 254Vac Pollution Degree 2 3 2 MCU9OOW Wall Mounting models The control unit housing is rated IP65 It is suitable for mounting outside but this should be above any flood level away from any overflow water path and away from direct sunlight Do not mount the MCU90O0W on a structure that is subject to vibration or in a position where damage may be caused by impact thermal stress or liquid ingress The mass of the MCU9O0OW is 1 4kg To conform with safety requirements the wall on which the MCU90OW is mounted should be capable of supporting 4 times
28. on hh mm P275 Energy Saving Start Time hh mm 1 P276 Energy Saving Relay Select 0 P277 Scum Line Prevention variance 0 P278 Scum Line Prevention relay 0 DIGITAL INPUT DIGITAL INPUT 1 P340 Digital Input 1 Action Free P341 Digital Input 1 Delay mmm ss 000 00 P342 Digital Input 1 On State Closed DIGITAL INPUT 2 P345 Digital Input 2 Action Free P346 Digital Input 2 Delay mmm ss 000 00 P347 Digital Input 2 On State Closed OUTPUT CURRENT OUTPUT P400 Lower range value as P200 0 P401 Upper range value as P200 100 P402 Alarm action 3 6mA RELAY Relay Wizard 0 Reset RL Params RELAY 1 P410 Relay 1 Mode None P411 Relay 1 PV ON Point as P200 0 P412 Relay 1 PV OFF Point as P200 0 P413 Relay 1 Minimum ON Time mmm ss 000 00 P414 Relay 1 Maximum ON Time mmm ss 000 00 P415 Relay 1 Minimum OFF Time mmm ss 000 00 RELAY 2 P420 Relay 2 Mode None P421 Relay 2 PV ON Point as P200 0 P422 __ Relay 2 PV OFF Point as P200 0 P423 Relay 2 Minimum ON Time mmm ss 000 00 P424 Re lay 2 Maximum ON Time mmm ss 000 00 P425 ay 2 Minimum OFF Time mmm ss 000 00 RELAY 3 RELAY 4 RELAY 5 22 ay 3 Minimum ON Time elay 3 Maximum ON Time ay 3 Minimum OFF Time lay 4 Mode as P200 as P200 mmmiss mmmiss mmmi ss jay 4 PV ON Point elay 4 PV OFF Point ay 4 Minimum ON Time elay 4 Maximum ON Time lay 4 Minimum OFF Time elay 5 Mode elay 5 PV ON Point ay 5 PV OFF Point as P200 as P200 mmmiss mmmiss mmmiss as P200 as
29. ottom reference of the MSP9OOSH A transmitter at this point which may be done or ignored by pressing the Esc Key d Turn the power supply off and connect the second transmitter either at the same terminals 1 3 as the first transmitter or at a local junction box such that both transmitters are now connected e Turn the power supply back on and the MCU902 will once again search for and detect any transmitters connected Once the second transmitter is found the MCU902 will automatically change the poll address from O to 2 and the transmitter will also be automatically allocated to Channel 2 of the MCU902 Note the MCU902 control unit may also offer the user the opportunity to set the bottom reference of the MSP9OOSH A transmitter at this point which may be done or ignored by pressing the Esc Key Installation of the transmitters is now complete 15 3 5 Power connection If the MCU900 is powered by mains AC power select the AC voltage as 230V or 115V using the voltage selector slide switch If dc powered ensure the supply is adequate 15 30Vdc Do not exceed 30Vdc A switch or circuit breaker should be installed in close proximity to the instrument and labelled as such Although the MCU900 meets all European standards for surge immunity on power and signal lines it is recommended that lightning suppressors such as made by Telematic Ltd are fitted if local conditions make this advisable 3 6 Earthing
30. p 2 IN1 IN2 OV 13 15 Relay 1 NO COM NC 16 18 Relay 2 NO COM NC i i y ae 19 21 Relay 3 NO COM NC 6 Black OV 22 24 Relay 4 NO COM NC 25 27 Relay 5 NO COM NC 28 29 Mains Input L N Mains version only 30 IS Earth 1 31 Negative DC version only 32 Positive DC version only Note that the plug socket connectors are polarised to prevent inter changeability and incorrect connection 13 3 4 Notes on transmitter installation and cabling Ex Connection of a transmitter to the MCU900 does not confer Intrinsic Safety on the transmitter It is the responsibility of the user to ensure any transmitter installed in a hazardous area is suitable for use and certified accordingly for use in the hazardous area The installation should be in accordance with a recognised code of practice Check the parameters of the installed system of MCU900 transmitter any loop devices and interconnecting cable to ensure compliance with the individual product certificates and technical data Refer to page 6 Particular attention must be given to the cable and the transmitter to ensure that the total capacitance and inductance limits stated in the MCU technical data in Section 2 3 are not exceeded Cable joins are allowable in cabling to the transmitter provided that the joint is made within an IP20 minimum enclosure suitable for the environment and that the wiring withstands a test voltage of 500V r m s to earth The maximum length of cable permiss
31. s 128 5mm high x 213mm wide x 2 5mm thick pre drilled and supplied with 4 captive screws and bushes to allow fitting in a standard 19 Rack 3U x 42HP Specify Mobrey part number MSP RMK1 one per MCU9OOP IP65 Hood for IP65 sealing of MCU9OOP Panel Mounting models Comprises a transparent hood which is positioned over the fascia of the MCU9OOP and which is secured in place when the control unit is clamped into the panel Note that 2 extra clamps clips are required as detailed below Contact Bopla Gmbh and order 1 off hood NGS74GHN 37007400 1 off pair of mounting clips NGS NK 37003000 Bopla GmbH Tel 49 05223 969000 Fax 49 05223 969100 www bopla de for a list of local agents and distributors 18 APPENDIX 1 Introduction to programming the MCU900 The following few pages give a brief introduction to programming the MCU900 More detailed information is given in the Operation Manual IP2030 0M available from Mobrey or by download from the Mobrey Measurement website at www mobrey com Al The MCU90O0 keypad and menu navigation The 4 red white arrow keys are used to move around the menu structure and the yellow enter key to confirm data input The red Esc key allows a backward step to the previous screen Practice now using the keypad to customise the system settings in the MCU900 You may like to set the date time and language of the display e Press the enter key to display the Main Menu e Press the down arro
32. s measurement or Flow measurement e Press enter and navigate to the Duty Wizard selection screen SETUP MCU900 CONTROL UNIT DUTY mode Duty Wizard e Press enter to start the duty wizard and select the duty for the MCU900 e Enter data as requested by the MCU900 which will automatically set up the input scaling and current output of the MCU900 At the end of any duty wizard you will automatically be offered further wizards which are appropriate to you chosen application For example the MCU Relay WIZARD which allows you to set up relay control or alarm points as required or the TOTALISER WIZARD relevant to open channel flow measurement and totalisation Further details of Mobrey Wizards are given in the system Quickstart manual IP2040 QS and the technical manual IP2030 0M available on request or from the website 20 A2 3 Useful programming information The following information is given to assist users in programming other popular functions of the MCU900 A2 3 1 Password protection The MCU900 may be protected from unauthorised programming by setting a PIN number Follow the path SETUP MCU CONTROL UNIT SYSTEM SETTINGS PIN and enter a 4 digit PIN A2 3 2 Configure the display The MCU900 display may be customised to show a variety of data The display is sectioned into 3 horizontal zones Upper Middle and Lower Follow the path SETUP MCU CONTROL UNIT OUTPUT DISPLAY and select which part of
33. select either Pxxx or Dxxx D type parameters are diagnostic parameters and are read only Once a parameter number is entered and displayed the user can use the up and down keys to scroll through the full parameter list 21 A2 3 7 Programming menus A2 3 7 1 Menu structure and parameter list for the MCU901 MCULOG Function Menu Option sub menu Level Sub menu Level Par No Parameter Name Units Default Cancel Password Cancel Password Go Offline Go Online Offline SETUP INPUT CHANNEL P111 Channel 1 Input Source Tx1 PV P321 Current Input 1 Damping sec 5 P112 Channel 1 Input Offset 0 P113 Channel 1 Profile Scaled P114 Channel 1 Input Scale Factor 1 P115 Channel 1 Non Linear Data 0 P146 Channel 1 Post Scale 1 P117 Channel 1 Low Cut off as P201 AUTO DUTY Mode Duty Wizard 0 UNITS P200 PV Units P201 SV Units P202 TV Units P203 FV Units C PV DAMPING P210 Output PV Damping s 0 P240 Description MCU CONTROL P241 Message MESSAGE P242 Tag Number Control Unit MSP2000 CUSTOM P250 Start On None P251 Stop On None P252 Stop If None P253 Start Time hh mm P254 Interval hh mm P255 Start Time 2 hh mm P256 Interval 2 hh mm P257 Max Retries OVERRIDES P270 Auto Sequence Enable P271 Auto Sequence Qualifier P272 Pump down Relay 0 P273 Pump down Interval hh mm 00 00 P274 Pump down Durati
34. suitable for the load current and the insulation is suitable for the voltage temperature and environment of the installation Obtain and check any hazardous area work permits required before applying power to the MCU900 On no account should the mechanical barriers separating the terminal area from the main enclosure and the transmitter terminals from the other terminals be removed or modified The diagram below shows the layout of external connection terminals all terminal blocks are suitable for wires 0 5mm to 1 5mm 2 5mm for mains terminals Insulation should be stripped back 7mm Two cable glands rated IP65 and suitable for cable with outside diameter 4mm to 7mm are supplied for use with the mains supply and transmitter cable The three other connection positions are supplied with M20 blanking plugs All glands and plugs are supplied in a separate plastic bag The installer must fit these or suitable equivalents in place of the transit red caps to ensure weatherproofing of the MCU900 Note that the white sealing washers supplied with the all cable glands and blanking plugs must be fitted on the outside of the enclosure under the gland or blanking plug It is the responsibility of the user to ensure Suitable cable glands or conduit connections are used when wiring to the MCU900 to maintain the enclosure integrity The 5 cable entry positions are pre drilled to accept M20 cable glands MCULOG has a data download socket factory fitted in one of
35. the display you wish to customise You may then select from a list of data which may be displayed there A2 3 3 Set up a digital input Two voltage free contact inputs may be connected to the MCU900 and be programmed to cause certain actions should they activate Follow the path SETUP MCU CONTROL UNIT DIGITAL INPUT Digital Input 1 and you can then customise the input to suit your requirements A2 3 4 Commissioning aids The MCU90O0 has several useful commissioning aids on board Follow the path SETUP MCU CONTROL UNIT SYSTEM TEST and you can choose to autocycle the MCU900 over the full range of the current input without changing the transmitter input or level in a tank trim input and output currents or use the MCU to drive a set output current into the loop A2 3 5 Re setting default values If the MCU900 is not operating as you would expect or you are unsure of some of the data you have programmed in you can re set the MCU900 to it s factory default condition This action causes default values to be loaded into all of the MCU900 parameter locations Note all previously entered data will be overwritten or lost Follow the path SETUP MCU CONTROL UNIT SYSTEM DEFAULTS and follow the instruction to load defaults A2 3 6 Direct parameter access Proficient users who become familiar with the parameter numbers of the MCU900 can access parameters directly by parameter number Follow the path DIRECT and
36. this weight It is not necessary or advisable to remove the lid to the upper part of the box containing the LCD and keypad There are no user serviceable parts inside The control unit must not be modified in any way Mount the unit on a suitable wall or structure using the 3 fixing points as shown in figure 3 The most convenient way is to position the central top fixing first then hang the control unit on this Use a spirit level to ensure the unit is horizontal then mark the two lower fixing positions on the wall These are accessible once the terminal cover is removed The MCU90OW is supplied with IP65 Nylon cable glands for connections to the field mounted transmitter and the mains power supply MCULOG has an additional connector which is used to download logged data It is the responsibility of the user to ensure that cable glands and connection to the MCU9OOW is in accordance with local or national standards TERMINAL COVER 84 REF 5 HOLES g 20 50 n B N VIEW ON REAR OF ia MCUSOOW 198 2 MOUNTING HOLES Smm DIAMETER Figure 3 MCU9OOW Control Unit Dimensions 3 2 1 Electrical Connections MCU9OOW Wall mounting models Ex All field wiring connections are accessible by removing the lower terminal cover which is secured by two screws Note that it is the responsibility of the installer to observe all local regulations and approval requirements and to ensure wiring is
37. transmitter or some other value calculated by the MCU900 based on the transmitter input which could be a level distance contents or flow reading A totaliser function is also included The MCU900 is factory programmed with a set of standard volumetric and flow equations to convert a level signal to contents or flow and also has a 21 point user programmed look up table for non standard applications MCU902 units calculated the difference sum or product of 2 separate 4 20mA inputs MCULOG units have a 4800 event on board logging capability e 4 20mA signal out from the MCU900 control unit The MCU900 current output is usually proportional to the displayed PV and is displayed in bargraph form on the display O 100 e Relay control functions There are 5 freely assignable relays Relay 5 is a fault relay by default which may be assigned to control duty if required The other 4 relays are available for the user to programme to operate at chosen values of the displayed PV or other calculated values The MCU900 is factory programmed with a selection of popular pump control routines for wet well and sump control along with energy saving over rides e Voltage free digital contact input Up to two voltage free contact closure inputs may be connected allowing external over ride of control unit functions if desired e Programming a transmitter from the MCU900 control unit As the MCU900 will communicate digitally with any HART compatible tr
38. tters and will perform various calculations to create the sum difference or product of the two inputs The transmitters must be HART compatible for the MCU902 to operate correctly Connection of the transmitters to the MCU902 may be by cabling both transmitter cables into the MCU902 using the cable glands provided or may be on a single cable using one of the cable glands provided with the two transmitters connected to this cable in a suitable local junction box Junction Txl MCU902 to transmitter connection For correct operation each transmitter must be changed to multi drop mode so that they can communicate with the MCU902 through a common connection Each transmitter must therefore have it s poll address changed from the factory default address of O to a unique address The MCU902 is used to achieve this but this requires that the transmitters be connected in sequence as detailed below a With the power supply turned off connect the first transmitter to terminals 1 3 in the MCU902 control unit b Check that the power selector switch is set to the correct voltage 115 or 230 V ac on mains unit and turn the power supply on c The MCU902 will detect the transmitter and automatically change the poll address of the transmitter from O to 1 This transmitter will also be automatically allocated to Channel 1 of the MCU902 Note the MCU902 control unit may also offer the user the opportunity to set the b
39. ump efficiency RL4 Pxxx Dxxx 26 A2 3 7 3 Menu structure and parameter list for the MCU90F Function Menu Sub menu Level Sub menu Level Sub menu Level Par No Parameter Name Option 1 2 3 Cancel Password Cancel Password Go Offline Go Online Offline SETUP INPUT CHANNEL Channel 1 Input Source Current Input 1 Damping Channel 1 Input Offset Channel 1 Profile Channel 1 Input Scale Factor Channel 1 Non Linear Data Channel 1 Post Scale NLP Channel 1 Low Cut off DUTY Mode DIGITAL INPUT OUTPUT Flow Wizard PV CALCULATION PV Units SV Units TV Units FV Units PV DAMPING Output PV Damping Description Message Tag Number Control Unit CUSTOM Start On Stop On Stop If Start Time Interval Start Time 2 Interval 2 Max Retries OVERRIDES DIGITAL INPUT 1 DIGITAL INPUT 2 CURRENT OUTPUT RELAY TOTALISER Energy Saving Start Time Energy Saving Relay Select P401 Upper range value P402 __ Alarm action RELAY 1 P411 Relay 1 PV ON Point P412 Re say 1 By OFF Point P414 ay 1 Maximum ON Time P415 Relay 1 Minimum OFF Time RELAY 2 P420 Re say 2 Mode P422 Relay 2 PV OFF Point P423 Relay 2 Minimum ON Time RELAY 3 P430 Re jay 3 Mode P431 Re say 3 PV ON Point P433 ay 3 Minimum ON Time P4
40. versal Command Revision 5 FIXED D763 Transmitter Spec Command Rev 1 FIXED D764 Preamble Bytes 5 FIXED D765 Flags 1 READINGS ANSWERS D800 Primary Variable as P200 ANSWERS D801 Secondary Variable as P201 ANSWERS D802 ___ Tertiary Variable as P202 ANSWERS D803 Fourth Variable as P203 ANSWERS D804 Ullage as P200 ANSWERS D805 Current Output 7 ANSWERS D806 Current output mA D809 Rate of Change PV min LAY OPERATIONS D811 Relay 1 Operations 0 LAY OPERATIONS D812 Relay 2 Operations 0 LAY OPERATIONS D813 Relay 3 Operations g LAY OPERATIONS D814 Relay 4 Operations gt 0 LAY OPERATIONS D815__ Relay 5 Operations 0 D820 Relay Status LAY RUN TIME D821 Relay 1 Run Time hh mm LAY RUN TIME D822 Relay 2 Run Time hh mm LAY RUN TIME D823 Relay 3 Run Time hh mm LAY RUN TIME D824 Relay 4 Run Time hh mm LAY RUN TIME D825__ Relay 5 Run Time hh mm D828 _ Totaliser 1 Value P531 D829 _ Totaliser 2 Value P533 D830__ Alarm report None D831 Fault report None DIAGNOSTICS D835 Digital input status D840 Current input mA D842 Current input D844 Temperature of Control Unit c D845 Time to next Pump Down hh mm D846 __ Logging Memory Free Z D848 Date of Last Change dmy D849 _ Date of 1st Power On dm CHANNELS D851 Channel 1 output P201 D852 Channel 2 output P202 PUMP EFFICIENCY D861 Pump efficiency RL1 D862__ Pump efficiency RL2 D863 Pump efficiency RL3 D864__ P
41. w once to highlight SETUP and press the enter key Note the beep which confirms each key press e Select MCU CONTROL UNIT and press the enter key to reveal the SETUP menu e Use the down arrow to move down the list Note that there are more than the three items shown in the list as indicated by an arrow pointing down in the lower right of the screen Highlight SYSTEM and press the enter key e The SYSTEM menu comprises 6 items Press the down arrow several times or the right arrow once to highlight SETTINGS and press the enter key e Select Time and press the enter key You may now edit the time if appropriate e Press the enter key which will highlight the first hours digit Use the up and down arrows to select the correct value then press the right arrow to move to the next digit Continue until the time shown is correct then press the enter key to save the time shown Press Esc to jump back to the SETTINGS screen and select another setting to customise as appropriate for example display language e Once the MCU900 has been customised to your satisfaction press the Esc key repeatedly to return to the main display screen A2 Programming the MCU900 for your application The MCU900 is capable of complex control functionality much of which is specific to certain duties To programme the MCU900 for a specific application it has to be told what the application is and then certain application deta
42. y the MCU900 For example if a level transmitter designed to give a 4 20mA output over 5m is installed in a 3m deep tank the input to the MCU9OO is going to be 4 13 6mA When a standard 4 20mA transmitter is connected the MCU900 will recognise the input and the PV shown on the main display will be in of current input where 4mA is O and 20mA is 100 Note in the example above the maximum current that the MCU900 will see will be 13 6mA so the PV on the display will only ever show 60 maximum It is possible to scale this input in the MCU900 and give a 4 20mA output from the MCU900 A2 1 2 Using a HART compatible transmitter Any HART compatible transmitter can be connected to the MCU900 The MCU900 will recognise a HART transmitter and automatically start digital communications The PV shown on the display will be extracted directly from the transmitter along with the associated measurement units You will notice a small icon next to the padlock in the upper left corner of the display which shows digital communications are in operation A2 1 3 Using the MCU902 The MCU902 accepts inputs from two HART transmitters arranged in multi drop mode Transmitters MUST BE HART compatible to be used with the MCU902 See Section 3 4 1 A2 2 Using Mobrey Wizard assisted programming With a transmitter connected and operating you should now tell the MCU900 what duty it is to perform Wet well pump control Level measurement Content
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