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MCM 200 User's Manual - KEM Küppers Elektromechanik GmbH

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1. baie Rm 10 Ohm _ _ internal galvanically free galvanically free Current inputs passive current sensors 4 20mA Like the voltage inputs the current inputs have a common potential and are electrically isolated from all other in and outputs The diagram below shows a connection with a passive current sink i e the sensor is powered by the MCM 200 4mA Adding the signal current of max 16mA will result in a total measuring current of 20mA MCM 200 current inputs 0 4 20mMA passive current sink e g VT4 mesa internal galvanically free galvanically free Kuppers Elektromechanik GmbH page 11 MCM 200 User s Manual Current inputs active current sensors 0 4 20 mA The diagram below shows the connectio of an current sensor e g KEM s FAU 50 frequency to analogue converter Such sensors do not require external supply MCM 200 current inputs 0 4 20 mA 3 0 Qd R internal galvanical isolated galvanically isolated current source e g FAU 50 jueuno 9g Frequency output 1 1 channel A and B The original input frequency of terminals Fj A and Fi B is available as a galvanically free open collector signal for further processing by additional evaluation units External resistor networks can provide any level
2. frequency input external source whatsoever MCM 200 frequency outputs 1 1 5V lt 2 eq Q amp gt O E D er i O D e a 3 f1 1B gt 2 L J YA e 1 1 channel A level H U 5 extem extem 1 1 channel B level H U extern zi extern Kuppers Elektromechanik GmbH page 12 MCM 200 User s Manual Analogue outputs Each measuring channel has an analogue output supplying 0 2 10 V and 0 4 20 mA Voltage and current signal are available at the same time and can be scaled freely or be used to drive the PI controller The analogue outputs are electrically isolated from each other and from all other reference potentials Voltage output 0 2 10 V voltage meter MCM 200 voltage outputs 0 10V internal galvanically isolated galvanically isolated Current output 0 4 20 mA current meter MCM 200 current output 0 20 mA 2 Rn lt 1 kOhm 32 37 GND internal galvanically isolated Kuppers Elektromechanik GmbH page 13 MCM 200 User s Manual Limit outputs The basic unit of the MCM 200 includes 6 switch outputs which can be related to the operating values These outputs have a common potential and are galvanically separated from the reference
3. Fi ai ee ee ee aa 1 3 1 3 1 1 3 2 1 3 3 1 3 4 1 3 5 1 4 1 4 1 1 4 2 1 5 1 5 1 1 5 2 1 5 3 1 6 1 6 1 1 6 2 1 6 3 1 6 4 1 7 General notes on programming p 25 Setup Channel A and B p 26 Operation Mode p 26 Flow unit p 26 Dec point flow rate p 27 Offset analogue input p 27 Response analogue input p 27 Unit analogue input p 27 Decimal point analogue input p 27 Offset analogue output p 28 Response time analogue output p 28 Linearisation p 28 Sum counter key reset p 28 PI controller type p 29 Controller output at Hold p 29 Ratio Calculations p 30 by pulse preset p 30 by external contact p 30 by real time value p 30 Setup limits 1 6 p 31 Flow limit A p 31 Flow limit B p 31 Flow limit A B p 31 Sum limit A p 31 Sum limit B p 31 Sum limit A B p 31 Ratio limit A B p 32 Analog In limit A p 32 Analog In limit B p 32 PI controller A set act limit p 32 PI controller B set act limit p 32 Setup Master p 33 Enable quick programming desnity p 33 Enable quick programming limits p 33 Enable quick programming setpoint p 33 Enable quick programming ratio p 33 Enable quick programming K factor p 33 Setup RS232 RS 485 p 34 Baudrate p 34 Unit offset p 34 Setup Time Date p 35 Setup time p 35 Setup date p 35 Setup year p 35 Setup centronics p 36 Unit number p 36 Printout number p 36 Unit iden
4. 1 quick prog limits 1 quick prog setpoint 1 quick prog ideal ratio Aane ma wa 1 quick prog Main De sa seta seoss 1 quick prog general 01 byte r test register to detect battery defects 02 byte r MCM Options Bit 7 6 5 4 3 2 1 0 Lo ab este ide he a 4 1 interface RS centronics 1 analogue IN channel A 1 linearisation channel A Fe Nit E 1 controller channel A ly Ul AA 1 measuring channel B S Stier ease sSessas 1 analogue IN channel B Aa SSeS SSeS aS SaaS 1 linearisation channel B Wa SoS ae Sse Ss 1 controller B 03 byte r module offset if several MCM s are connected in a network a module offset has to be programmed for each unit see programming byte r baudrate of the serial interface 0 2400 Bd 1 4800 Bd 2 9600 Bd byte limit 1 operation mode bit 0 to 3 specify the mode of the limit 0 flow limit A 1 flow limit B 2 flow limit A B 3 sum limit A 4 sum limit B 5 sum limit A B 6 ratio limit A B 7 analog in limit A 8 analog in limit B 9 controller A setpoint act Limit 10 controller B setpoint act Limit bits 6 and7 specifiy the limit status of the respective output bit 6 1 MIN limit 1 active Bit 6 0 MIN limit 1 inactive Bit 7 1 MAX limit 1 active Bit 7 0 MAX limit 1 inactive 07 byte limit 2 operation mode for specifications see parameter 06
5. Be ve ee ce l OE 19 Z9 9 W 99 FEA Z vl GL gt o lt T Ox i SSeS i C ia C ce O gt WA i O t gersa ZETSA sopund 9 euupyso sindjno enBojouo V ISYUBYS page 8 siNdul O1J UCD peyoodes ooydo pejo1odes A jooudo 91 17 sindino puul Uld PS Ps 00 WOW Bulsseood jou is DUD njoa BuuNnsoew Centronics Interface s 1 PJOY sIndu Joo JONG ndul y eUUDYO AZL g jouUDUS y JeuuDYo g jouUDUD AVOA diagram rear panel iring MCM 200 User s Manual 8V 8V 8V 8V j K 0 0 0 0 gt o 0 0 0 00 0 0 0 y Puupyo sindu enBojoud g ISUUDYIS e E ERE E DR 0 20 CO vO LO go ZO zo 90 OL ZO LL ZO ZO ZL zO l cS G WS OS IS e7 Ov twa WW Lp Ww 6 8h sv ES Sai el AEG 3 333 3333 EOE E TS amp 29 29 8 7 G 2 8 gt 0 ro 5 x e z S S Q 3 AG a 25 pin DSub socket Kuppers Elektromechanik GmbH MCM 200 User s Manual Electrical Connection of Outputs and Inputs Frequency inputs general The universal frequency input stages of the MCM 200 are suitable for pickups with a NAMUR output or any output which is in line with
6. A B info Dog MCM 200 User s Manual A B key To display the sum of the measuring values of channel A and B As a precondition for this display both channels must have the same units The first line starts off A B to avoid confusion with the flow display cf page 16 A B 179 77 1 min__ A scaled sum total flow of channel A and B 056 21 1 min__ B scaled real time value of channel B A B key To display measuring value of channel A minus measuring value of channel B for consumption measurement up and downstream As a precondition for this display both channels must have the same units The first line starts off A B to avoid confusion with the flow display cf page 16 A B 067 35 1 min__ A scaled difference channel A B 056 21 1 min B scaled real time value channel B A B key To display the ratio of measuring values A and B As a precondition for this display both channels must have the same units The first line starts off A B to avoid confusion with the flow display cf page 16 A B _2 198 A ratioA B 056 21 1 min B scaled real time value channel B info prog key located on the left to the display To display the state of the limits and the three external control contacts as well as errors with serial data transmission Limits and external contacts press INFO PROG once In accordance with the operating values the limits can take the following stat
7. Terminal D Supply no description 50 L1 supply 51 N supply 52 PE protected earth 53 PE protected earth 54 PE protected earth Terminal B analogue outputs no description 30 I current out channel A 0 4 20 mA 31 I current out channel A 0 4 20 mA 32 PE protected earth 33 U voltage out channel A 0 2 10 V 34 U voltage out channel A 0 2 10 V 35 I current out channel B 0 4 20 mA 36 I current out channel B 0 4 20 mA 37 PE protected earth 38 U voltage out channel B 0 2 10 V 39 U voltage out channel B 0 2 10 V Terminal C analogue inputs no description 40 I 24 V current in channel A 0 4 20 mA Al GND voltage in channel A 42 U voltage in channel A 0 2 10 V 43 I current in channel A 0 2 10 V 44 PE protected earth 45 I 24V current in channel B 0 4 20mA 46 GND voltage in channel B 47 U voltage in channel B 0 2 10V 48 I current in channel B 0 2 10V 49 PE protected earth Terminal F RS485 Interface no description 61 TxD send 62 TxD send 63 RxD return 64 RxD return 65 R COM reference mass RS485 galvanically free Terminal G Centronics Printer 25 D Sub female no description 1 strobe 29 DO D7 11 busy 16 25 GND printer galvanically free Kuppers Elektromechanik GmbH page 6 MCM 200 User s Manual Dimensional Drawing for installation mm 1
8. Enter gt x x 4 lt Prog gt Yes yi lt Enter gt j lt Prog gt programming No gt t meas channel A a hd z lt Prog gt mena i go Khaaa K Fac GATE Time Programming level E A e MO a m lt Enter gt kie Next P Prog E Quit K Fac Gate Time Y P lt Enter gt programming lt Enter gt ki meas channel B RTTE lt Prog gt re aa ensity rogramming level e m gt Next P Prog E Quit Density lt gt lt Prog gt Senter 4 lt Enter gt lt gt lt Enter gt 5 A CAT lt Prog gt AA of le aes Bee Analog Out scale Programming level i n a ml j parameters imits Next P Prog E Quit Analog Out scale si lt Enter gt lt gt lt Enter gt A X i lt Prog gt An ir alog In scale Programming level t Next P Prog E Quit Analog In scale BEd lt Enter gt lt Enter gt lt A gt lt Enter gt y lt Prog gt programming programming Linearisation Programming level limit 6 limit 1 Next P Prog E Quit Linearisation a lt Enter gt lt Enter gt lt Enter gt lt gt lt Enter gt y lt Prog gt programming programming Controller Factors Programming level limit 5 limit 2 Next P Prog E Quit controller factors a lt Enter gt lt Enter gt lt Enter gt lt gt lt Enter gt t y lt Prog gt programming programming Controller Setpoint Programming level limit 4 limit 3 Next P Prog E Quit controller setpoint lt Enter gt lt A gt lt Enter gt K ppers Elektromechanik GmbH pag
9. Kem K ppers Elektromechanik GmbH MCM 200 print res A e E Us print A al enter ene A info res B prog amp limit amp A i hold 2 PROG dens Tits ratio sep main i 2 E Fa 5 X 0 1 2 3 4 5 6 7 8 9 nfo flow sum total Fin imp A out avin A B A B A B Neg Setup The setup determines the operation mode of the MCM 200 as a monitoring unit or a controller unit with monitoring capabilities The controller functions are of course only available if the corresponding options are included The setup includes basic adjustments which are usually done with start up only The setup adjustments will influence the process parameters This is why the setup is separated from the programming of process parameters Start the setup as described on page 20 and wait until the following appears in the display Setup MCM 200 Channel A The setup is divided into 4 sections Press to go through the sections Press PROG to start programming Setup MCM 200 A Setup MCM 200 A _ Channel A B _ Channel B B Setup MCM 200 A Setup MCM 200 A _Limits 1 6 B Master B Setup MCM 200 A Setup MCM 200 A __Centronics B __Parameterprint B Afterwards several sections will appear in the display To confirm or skip a section press ENTER Kuppers Elektromechanik GmbH page 25 MCM 200 User s Manual Setup Channel A and B This setup section will determine the operation mode of the channels as measuring or control
10. and F Example Writing the set point of channel 1 datatype float character no 1 10 11 12 13 14 15 16 17 18 19 oa foo ff fs oe 5 z ASCII charac gt 6 lt CR gt CHECKSUM calculation adding the HEX values of characters 2 to 16 30h 31h 4Ah 50h 42h 44h 66h 34h 37h 33h 33h 46h 32h 31h 35h 396 Kuppers Elektromechanik GmbH page 54 MCM 200 User s Manual Answer to a Write Request On each successful write request the MCM 200 will return a message of the following format character no ASCII character Faulty Read or Write Requests The MCM will return an error message if it cannot reply to a read write request or if errors in syntax are found provided that the requested module is included in the data network The error message looks as follows character no HEX value ASCII character OD Error numbers and their respective meaning can be taken from the table below If an answer to a request starts off with N the error number may help to find the problem Error Table MCM 200 answers to a read or write request starting off with N are followed by a 2 digit number which describes the kind or origin of an error as listed below log error N10 start character gt missing inadmissible command only J or K admissible N12 inadmissible section only M or P admissible inadmissible request write not
11. be known MIN limit 5 to set this value the limit mode P06 the dimension in accordance with the limit mode and the associated decimal point must be known MIN limit 6 to set this value the limit mode P06 the dimension in accordance with the limit mode and the associated decimal point must be known ideal ratio format A B x 1000 Example for an ideal ratio of 1 567 enter 1567 PI controller fixed setpoint standard or ratio Standard setpoint enter the setpoint considering the flow dimension bits 0 to 3 of P12 and the decimal point of the flow display bit 0 1 of P10 Example Flow DP 2 flow dimension l min setpoint 234 56 l min controller setpoint 23456 d Ratio setpoint enter the desired ratio as follows ratio x 1000 Example for desired ratio of 1 523 enter 1523 analogue input final value considering analogIn dimension bits 0 to 3 of POC and analog IN decimal point bit 4 5 of P10 Example analog IN dimension bar analog IN DP 2 final value 23 45bar enter 2345 d analogue output final value considering the flow dimension bits 0 to 3 of P12 and the flow DP bit 0 1 of P10 only for measuring module otherwise the analogue output is used as set output for the PI controller Example flow dimension l min flow DP 2 final value 23 56 l min enter 2356 d analogue output start value considering the flow dimension bits 0 to 3 of P12 and the Flow DP bit 0 1 of P10 only for measuring module otherwise the an
12. lt CHANNEL NO gt lt COMMAND gt lt SECTION gt lt ADDRESS gt lt CHECKSUM gt lt CR gt start character always start off with ASCII character gt a 2 digit hexadecimal number specifying the measuring channel to communicate with The HEX number is shown in ASCII characters channel 5 05 K for read request two sections are available parameter and measuring value section ASCII character P selects parameters and M selects measuring values addressa Ms ieee a 2 digit hexadecimal number specifying the parameter or measuring value number to contact The HEX number is shown in ASCII characters checksum nenen a 2 digit hexadecimal number reflecting the sum of all preceding characters except for the start character The sum is calculated by adding all hex values The low byte of the results also use 2 ASCII characters to indicate a HEX number is the checksum O E EA each request string has to be completed with the Carriage Return character hexvalue OD as the MCM 200 will only start a log check on receipt of this character Please note HEX numbers must be written in captitals i e A B C D E and F Kuppers Elektromechanik GmbH page 52 MCM 200 User s Manual Example Reading parameter 1 of channel 1 character no 1 2 3 4 5 6 7 8 9 10 sex vase 38 30 si e so 30 a1 pss ao ASCII character gt 0 1 K P 0 1 5 D lt CR gt CHECKSUM calculation addin
13. p 52 Serial transmission log p 52 Read request string p 52 Answere to read request p 53 Write request string p 54 Answere to a write request p 55 Faulty write or read requests p 55 Error table p 55 ASCII conversion table p 55 Float Data Format p 63 Kuppers Elektromechanik GmbH page 3 MCM 200 User s Manual Features and Application The MCM 200 is a microprocessor based evaluation unit whith max two frequency measuring channels two two analogue measuring channels two analogue outputs and six switch outputs As a further option a communication and or printer interface is available The operating modes include a measuring mode with monitoring facilities ratio real time flow preset counter and a control mode with a PI flow controller In accordance with the adjustments and features included the MCM 200 may be used for closed loop control and ratio control Applications range from simple filling processes to complex 2 component applications paints polyurethan etc The MCM 200 distinguishes itself by short response time high accuracy and easy programming of all parameters via keyboard and VDF display Parameters which depend on each other will automatically receive and ideal resolution regarding the hardware All operating parameters are scaled via foil touch keyboard and a two line VDF display The basic unit has one frequency measuring channel six switch outputs and one 1 1 frequency output for add
14. potentials of all other in and outputs Here are some examples of how to connect the limit outputs Operation with an external relay MCM 200 limit outputs L1 to L6 external relay fe Wa zt R O A l LC R O A 2 LC e GND L Operation with PLC inputs inverse MCM 200 limit outputs L1 to L digital input Siemens Simatic 5V 24V L Kuppers Elektromechanik GmbH page 14 MCM 200 User s Manual Operation with PLC inputs MCM 200 limit outputs L1 to L6 digital input Siemens Simatic 424V L Combining the open collector outputs with external resistor networks cf frequency outputs 1 l p 12 will provide any level which may be required by existing inputs K ppers Elektromechanik GmbH page 15 MCM 200 User s Manual Communication Interface RS 232 RS 485 The MCM 200 may optionally be equipped with a serial communication interface Two types are available RS 232 and RS 485 each with an individual 10pin screw terminal at the rear Both types may be fitted however only one can be used at a time Operation with an RS232 interface MCM200 RS 232 Transmitter Receiver RS 232 Transmitter Receiver Host ac us Operation with an RS485 interface Thanks to the daisy chain topology shown here up to ten MCM 200
15. see parameter 1E measuring value printout line with specific printout requires programming see parameter 1E measuring value printout line 7 with specific printout requires programming see parameter 1E measuring value printout line 8 with specific printout requires programming see parameter 1E measuring value printout line 9 with specific printout requires programming see parameter 1E measuring value printout line 10 with specific printout requires programming see parameter 1E Each of the next 20 bytes contains one character This character chain is included in the printer log The characters have to be programmed individually print text character 1 print text character 2 print text character 3 print text character 4 print text character print text character 19 print text character 20 linearity error bit 0 to 6 contain the error in 1 10 Yo 412 5 bit 7 represents the sign of the error 0 positive 1 negative linearity error point 1 linearity error point 2 linearity error point 3 linearity error point 4 Kuppers Elektromechanik GmbH page 58 MCM 200 User s Manual Description linearity error point 5 linearity error point 6 linearity error point 7 linearity error point 8 47 linearity error point 9 48 byte r w linearity error point 10 53 gate time for frequency measurement value x 104ms 55 proportional factor of the PI controller 57 integral factor of the PI controller 5
16. until the deviation is in the allowable range As soon as this is the case the MCM will save the current value of the setpoint output and use it when the same deviation appears again Up to 2 000 setpoint values can be saved cf adaptive abilities 1 paragraph Contr Deviation 0 0 Values can be entered in steps of 0 1 and range from 0 1 to 12 7 Use the NUM keys to enter and press ENTER to save and proceed Kuppers Elektromechanik GmbH page 43 MCM 200 User s Manual Parameter VALVE CORR TIME Each final control element requires a certain time to carry out a control operation This time has to be entered now to ensure the control operation is carried out completely before a new setpoint actual comparison is effected The correction time to be entered depends on the type of valve and the corresponding PI controller type Electro pneumatically controlled valves PI controller type 1 constant correction time irrespective of the alteration Valves with electromechanical rotary drive PI controller type 2 The correction time is a linear function of the alteration Enter the correction time for 100 the MCM will calculate the required correction time in accordance with the alteration Valve Corr Time 00100 ms The valve correction time may range from 100ms to 20 000 ms Enter the value via the NUM keys and press ENTER to save and proceed Please note The EPROM saving the setpoint output may be reset in
17. 08 limit 3 operation mode for specifications see parameter 06 09 limit 4 operation mode for specifications see parameter 06 OA limit 5 operation mode for specifications see parameter 06 OB limit 6 operation mode for specifications see parameter 06 We J J J oc byte r display dimensions analogue input bits 0 to 3 l min 1 kg min 2 ccm min 3 g min 4 l h 5 kg h 6 ccm s 7 g s 8 Gal min 9 lb min A m hB U min C C D bar E kg m F A B K ppers Elektromechanik GmbH page 56 MCM 200 User s Manual Para No HEX OE 14 16 17 18 19 1A 1B 1C 1D Data read Description type write byte analogue in and output offset response time bit 0 offset output 0 0mA l 4mA bit 1 response time output 0 fast 1 slow bit 2 offset input 0 0mA l 4mA bit 3 response time input 0 fast 1 slow bit 4 5 analogue input mode 00 meas input with individual dimension 01 setpoint input controller flow dimension decimal points analogue input total flow A decimal point position between 0 and 3 may be selected for each of the 3 scaling factors 1 1 1 10 1 100 1 1000 2 bits in this register are used for each factor binar y notation bits 0 and 1 flow decimal point bits 2 and 3 total sum decimal point bits 4 and 5 analogue input decimal point flow and total sum dimension bits 0 to 3 state the flow dimension l min 1 kg min 2 ccm min 3
18. 35 80 ry T T ARE UN AA aa l i l C cares gcecac ma AA RX lt i l top view panel mount l 136mm x 66 mm i l i i ua ya wa kaa SSE AA Ji Ad Ne i 4 top ry 3 Consider bending radius of connector cable for installation 8 50 202 50 14 00 gt General advice on installation Connect metal housing with PE Built in devices have to be installed in a metal housing connected with protected earth Observe a low impedance connection of PE and a measurement of the PE resistor according to VDE 0701 Also observe a sufficient shielding for the employed cabinet Keep distance Keep current carrying cables at least 30 cm away from the MCM 200 Only shall indicated terminals and contacts be used for power supply Keep mobiles ISM units or switching inductivities like engines or solenoid valves at least 2 metres away from the digital measuring and control electronics Avoid sources of electrostatic charges in the closer environment of the MCM 200 Operators should also consider appropriate clothing and wear of shoes with discharging ability Avoid parallel arrangement of current carrying cables Kuppers Elektromechanik GmbH page 7 Prog Lock Limit Wait he N qQ N N q Oo Total Reset N o Toy Ca oN a lt 4 E E WE Bc 8 SS ose KU gt 7 282822 28288 oz 8L ZL 91 60 80 LO 9 GE LE 6
19. 9 byte r w controlling difference of the PI controller E bits 0 to 6 contain the percentual controlling difference in 1 10 Yo 12 5 bit 7 represents the sign of the error 0 positive 1 negative 66 printout counter for the parallel printer 0 65535 67 integer r w pulse preset for ratio calculation at corresponding ratio mode r w limit wait time this value multiplicated by 13 ms delay 69 integer r w linearisation frequency point in Hz integer values only linearisation frequency point 1 6A integer r w linearisation frequency point 2 6B linearisation frequency point 3 6C linearisation frequency point 4 6D linearisation frequency point 5 6E linearisation frequency point 6 6F r w linearisation frequency point 7 70 linearisation frequency point 8 71 linearisation frequency point 9 72 linearisation frequency point 10 83 density in kg m without decimal point 85 integer r w valve correction time of PI controller value multiplicated by 13 ms valve correction time 8C long r w MAX limit 1 to set this value the limit mode P06 the dimension in accordance with the limit mode and the associated decimal point must be known 8D long r w MAX limit 2 to set this value the limit mode P06 the dimension in accordance with the limit mode and the associated decimal point must be known 8E long r w MAX limit 3 to set this value the limit mode P06 the dimension in accordance with KA the limit mode and the associated
20. G to programme this parameter Parameter ANALOG IN ADJUST For a few seconds a message in the second line will inform you on the current analogue offset status Analog In Offset __ off Afterwards you are requested to adjust the analogue input The MCM will take the unit and decimal point settings of the setup programming Analog In Adjust _ 0000 0 1 min Enter the value corresponding to 20mA or 10V using the NUM keys Press ENTER to save and return to the K Fak Gate Time display Level LINEARISATION PROG A 10 point linearisation is available the frequency input of each channel The linearisation will eliminate the linearity error of the flow meter leaving only the repeatability error which is usually 0 1 Take a look at the calibration record of the flow meter you will find a table listing the following Frequency K factor Flow Error Hz pulses per litre 1 min 1 h 3 of actual flow 6 66 17050 41 0 023 1 38 0 305 14 95 17066 94 0 053 3 18 0 209 28 81 17068 49 0 101 6 06 0 200 139 08 17014 29 0 490 29 4 0 517 You may now enter up to 10 frequencies with the corresponding error at least 2 are required If more than 10 frequencies are listed in the record chose 10 characteristic ones The first display looks as follows Linearisation Prog _ 4 Next P Prog E Quit Press PROG to start programming K ppers Elektromechanik GmbH page 41 MCM 200 User s Manual Parameter LIN POINT 1 Enter t
21. K ppers Elektromechanik GmbH page 9 MCM 200 User s Manual Control inputs The MCM 200 has two kinds of control inputs The examples below show that reset and hold will refer to the individual channels while limit wait total reset and ratio will influence the general performance of the MCM Die Eingangsbeschaltung ist fiir alle Steuereingange gleich Driven by PLC Siemens Simatic control inputs MCM 200 digital outputs Siemens Simatic Peet way WA Roe ws ON E 4 424V L GD N a i UY J gt A xV Wa bug 10 11 12 13 21 22 23 y4 m Matona bararan J Sat prima BE AA KWAA Driven by external optocoupler control inputs MCM 200 external switching 5V o y 10 11 12 13 21 22 23 GND Driven by potential free contact control inputs MCM 200 external switching K ppers Elektromechanik GmbH page 10 MCM 200 User s Manual Analogue Inputs The MCM 200 can be equipped with max two analogue inputs which may be used as a measuing input or as a setpoint input for the PI controller They are suitable for voltage 0 2 10V or current signals 0 4 20mA Voltage inputs 0 2 10 V The voltage inputs have a common potential GND however the are electrically isolated from all other inputs and outputs MCM 200 voltage inputs 0 10V voltage source
22. MCM 200 User s Manual Version O8crs01 K ppers Elektromechanik GmbH Quality system certified to DIN ISO 9001 MCM 200 User s Manual Contents Features and application p 4 Operating principle p 4 Operation and display p 4 Options p 4 Technical Data p 5 Rear terminals p 6 Dimensional drawing p 7 General advice on installation p 7 Wiring diagram p 8 In and outputs p 9 Frequency inputs general p 9 Frequency input CH A p 9 Frequency input CH B p 9 Control inputs p 10 Analogue inputs p 11 Voltage inputs p 11 Current inputs passive p 11 Current inputs active p 12 Frequency output F 1 1 CH A and B p 12 Analogue outputs p 13 Voltage output p 13 Current output p 13 Limit outputs p 14 Operation with external relay p 14 Operation with PLC inputs invers p 14 Operation with PLC inputs p 15 Interface printer p 16 Operation with RS 232 p 16 Operation with RS 485 p 16 Printer interface centronics p 17 Printouts p 17 Printouts via keyboard p 17 Setup p 18 Programming p 19 Measuring mode p 20 Flow key p 20 Sum key p 20 Total key p 21 Fin key p 21 Imp key p 21 A out key p 21 A in key p 21 A B key p 22 A B key p 22 A B key p 22 Prog Info key p 22 Starting up the MCM 200 p 24 2 0 Parameter Programming p 38 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14
23. MCM200 e Make sure the MCM is in the measuring mode e Activate control input 3 and press the above keys to start quick programming of the parameters indicated above the keys The quick programming can be enable for up to five parameters in the setup MASTER A comprehensive information on programming and parameters refer to the chapters setup and programming process parameters In addition you may clear the EEPROM see page 43 Dens Density only with mass related units e g kg min Having started the quick programming of the density the following message appears in the display for a few seconds Prog Channel A You may now enter the density for channel A Density 1000 kg m3 Enter the density via the NUM keys bottom row and press ENTER to proceed with channel B accordingly If channel B does not exist the MCM will return to the measuring mode Kuppers Elektromechanik GmbH page 49 MCM 200 User s Manual Limits Start off with the response time for the limits Press ENTER to skip if the response time remains unchanged Limit Response 1664 ms Press A to select a response time in upward steps of 104 ms Press ENTER to save and or proceed with the limits 1 6 Ratio Pulse preset for ratio calculation You may now change the number of pulses which are considered for the ratio calculation Ratio Sum A 01000 Imp B Use the NUM keys to enter the preset Press ENTER to s
24. al point position Dez Point Flowrate 0000 0 1 min____ Press A to move the decimal point Please note the decimal places are limited for some units Press ENTER when the decimal point has reached the desired position Offset Analogue Input The analogue input has a range of 0 or 4 20 mA and 0 or 2 10 V Offset will shift the minimum level from 0 to 4 mA and 2 V respectively The adjustment depends on the sensor range connected with the analogue input Analog In Offset _ Analog In Offset _ No Yes Press A to select and ENTER to save Response Analogue Input The analogue input is equipped with an integrating sigma delta converter which has a measuring rate of 3 measurements per second Fluctuating measuring signals e g caused by pressure peaks can adversely affect the evaluation To compensate these adverse effects you may change the response time of the analogue input from fast 3 measurements per second to slow smooth mean value method Time Analog Input _ Time Analog Input _ Fast Slow Press A to select and ENTER to save and proceed Unit Analogue Input Do now select the suitable unit for the analogue input signal from the pre selections Analog In Dimension_ bar e g bar if analogue signal represents pressure Press A to go through the pre selections Press ENTER to save when the suitable unit appears Decimal Point Analogue Input You may determine the no of decimal places fo
25. al report Please note the default print fomat includes only the flow value printed on the first line Printouts may be triggered by pressing PRINT followed by INFO or via the external control input 1 7 Parameter Print In the setup mode all MCM parameters may be printed out Select the following option in the setup mode _ Setup ___ _ _ _ A B _ Parameterprint Pressing PRINT will trigger a printout of a complete list of parameters Please note this function is only available in the setup mode Kuppers Elektromechanik GmbH page 37 MCM 200 User s Manual 2 0 Programming of Process Parameters The setup adjustments determine the operation mode of the MCM 200 In accordance with these adjustments you are now required to enter certain process parameters like K factor of the flow meter limits setpoints etc The programming of each channel can be divided into max 6 levels depending on hard and software options as well as your previous setup adjustments Each level includes parameters related to a certain function display scaling linearisation controller etc The limits are entered independently of the measuring channel as their relation was determined in the setup Do not panic if some of the parameters explained on the following pages do not appear The MCM 200 will only ask you for those parameters which are required by your setup adjustments Examples If your MCM 200 has no analogue input the related parame
26. allowed for measuring values only read N14 data type error with write request f i b 1 after parameter no false no of bytes in request string read false no of bytes in request string write float long N17 false no of bytes in request string write integer N18 false no of bytes in request string write byte data error HEX error in parameter no only capitals N22 HEX error in parameter data HEX error in checksum received CHECKSUM error checksum calculatated and received are different internal errors N90 manipulated RECEIVE buffer illegal false data format by MCM MCM states Nxx error code internal communication N93 undefined error MCM states neither A nor N N94 address MCM internal cannot answer time out communication ASCII Conversion Table ASCII HEX value ASCII HEX value ASCII HEX value character decimal character decimal character decimal 0 62 98 1 66 102 2 69 105 3 6C 108 4 3E 62 5 77 119 6 4E 78 7 8 0A 10 9 39 57 M 4D 77 lt CR gt 0D 13 K ppers Elektromechanik GmbH page 55 MCM 200 User s Manual List of Parameters and Measuring Values MCM 200 Para No Data read Description HEX type write 00 Ratio Calculation Mode Quick Programming Bit 7 6 5 4 3 2 1 0 p E ee We a 0 O ratio of actual value 0 41 ratio of pulse preset 1 O ratio with ext Contact 1 quick prog density
27. alogue output is used as set output for the PI controller Example flow dimension l min flow DP 2 start value 4 32 l min enter 432 d K factor of the flow meter in pulses litre with 2 decimal digits Example with K factor flow meter 2345 76 pulses liter enter 234576 d ratio here you will find the actual ratio calculation of channel A B as floating point value scaled sum value in the adjusted dimension as floating point value scaled totaliser in the adjusted dimension as floating point value scaled actual value in flow dimension as floating point value direct measuring frequency in Hz as floating point value without gate time sampled measuring frequency in Hz as floating point valuet witht gate time actual setpoint frequency in Hz PI controlller as floating point value scaled analogue input value in analogue dimension as floating point value actual setpoint in flow dimension as floating point value flow meter pulses of the sum counter as floating point value flow meter pulses of the totaliser as floating point value Specifications subject to change without notice Kuppers Elektromechanik GmbH page 60
28. aracters to indicate a HEX number is the checksum GRE AE A each answer is completed with the carriage return character Hex value 0D Example Answer to the request gt 02KMB1 lt CHECKSUM gt lt CR gt character no 1 2 3 4 5 6 7 8 9 10 1 12 13 mex value afe pa e e Tas 25 ae 00 ASCII character A f 4 2 5 B Cc 5 4 7 2 6 lt CR gt The MCM replies with the character A i e no fault found You should now calculate the checksum of the incoming characters character position 2 to position lt CR gt 3 and convert it into the ASCII code If your result does not equal the checksum received there is a transmission error The start character is followed by the data type character f float and the databytes in MSB LSB order Kuppers Elektromechanik GmbH page 53 MCM 200 User s Manual The application software must now sift out the databytes perform a ASCII HEX conversion and convert the result in accordance with the datatype The measuring value received in this example is 425BC547 h gt 54 94 d gt A 425BC547 lt CHKSUM gt lt CR gt these characters are required to calculate the checksum Write Request String The request string contains the following lt START CHARACTER gt lt CHANNEL NO gt lt COMMAND gt lt SECTION gt lt ADDRESS gt lt FORMAT gt lt DATA gt lt CHECKSUM gt lt CR gt channel no a 2 digit hexadecimal number specifying the measuring channel to commu
29. arameters and measuring value Unit Number __ A 000 B Enter the value via the keys 0 to 9 After saving with ENTER the next parameter will appear 1 6 2 Printout Number Each print request will be registered and serially numbered by the MCM 200 The number appears on all printoutouts to ease differentiation and allocation This parameter determines the start off value from which the MCM will count on up to 65535 before the counter is reset to 0 _ Printout Number _ A 00000 B Enter the desired start off value via the keys 0 to 9 After saving with ENTER the next parameter appears 1 6 3 Unit Identification You may enter a 20 character chain of your choice e g production line A for each MCM which will appear on a fixed position of your printouts __Unit Ident A _XXXXXXXXXXXXXXXXXXX B The flashing cursor is located on the lefthand side Pressing the A and W keys will scroll the characters Space amp 0123456789 lt gt ABCDE XYZ 4_ When the desired character appears press PROG to move the cursor in righthand direction When the last digit is reached the next pressing of PROG will move the cursor back to its original lefthand position After completion of your adjustment press ENTER to save and proceed with the next parameter Kuppers Elektromechanik GmbH page 36 MCM 200 User s Manual 1 6 4 Print Format The MCM 200 is capable of printing out individual user report
30. atio Calculations external Switch The ratio is calculated after disabling the external contact 1 of the rear terminal e g at the end of a batching process If the MCM is used as controller the process period should be longer than the time required to control a setpoint actual comparison By real time value Ratio Calculations at Flow Value The ratio of the real time values is calculated in accordance with the gate time setting programming of process parameters and the pulse width of the input frequency Kuppers Elektromechanik GmbH page 30 MCM 200 User s Manual Setup Limits 1 6 The MCM 200 has 6 switch outputs which you may relate to process parameters by your own choice You may use the limits to control 6 different parameters or relate up to 6 limits to a certain parameter e g when pre alarms are required For each limit which is related to a real time or analogue value a maximum minimum and hysteresis is programmable Limits which are related to the sum counter include only a maximum Any exceeding or bypassing of the limits will activate the corresponding limit switch output which may be used to trigger off an acoustic or visual signal Setup MCM 200 Limits 1 6 Press PROG to start programming The first limit mode appears in the display see below Press A to go through the limit modes and press ENTER to save when the desired mode appears in the display The real values for the limits will be entered wh
31. ave and return to the measuring mode Setp Setpoint PLcontroller Having started the quick programming of the setpoint the following message appears in the display for a few seconds to inform you on the channel which is to be programmed now Prog Channel A Proceed programming the setpoint cf page Finally press ENTER to save and to proceed with channel B as far as existing or to return to the measuring mode Main Kfactor of the flow meter Having started the quick programming of K factor the following message appears in the display for a few seconds to inform you on the channel which is to be programmed now Prog Channel A Proceed entering the new K factor e g after recalibration service or when a new flow meter is used K Factor A 1000 00 Imp 1 B Use the NUM keys to enter the K factor Press ENTER to save and to proceed with channel B or to return to the measuring mode Kuppers Elektromechanik GmbH page 50 MCM 200 User s Manual Clear EEPROM After a completed control operation the EEPROM saves the value of the controller output If a new control operation is necessary the MCM will search for suitable value in the EEPROM which will immediately be passed on to the controller output If no suitable value is found the PI controller will carry out a new control operation in accordance with the P and I factor settings On completion of the new control operation the MCM 200 will once again save
32. can either be operated as type RS232 or RS422 and RS485 respectively enabling for a bi directional data exchange with host systems like personal computers or a PLC The parallel printer interface type centronics allows for line printouts of measuring values and operation parameters Serial Communication The communication interface alows for programming and or reading of operation parameters and values of the MCM 200 measuring values status etc The transmission log follows the OPTOMUX log by the OPTO22 company and is based on a transmission orientated to ASCII characters The MCM 200 works as a SLAVE sending data on request only Up to 15 MCM units may be operated in a bus structure by specifying individual device numbers for each MCM Parallel Printer Interface The parallel interface may be used for printouts of measuring values and parameters with a centronics printer While parameters will always be printed out completely the measuring values to be printed may be selected via the MCM200 All printouts state date and time they are started via the MCM s touch keyboard or one of the control inputs Serial Transmission Log The external request has to stick to a certain syntax to be accepted by the MCM As mentioned above the syntax follows the OPTOMUX log only ASCII characters are sent and received Details on the syntax will follow later on Read Request String The request string contains the following lt START CHARACTER gt
33. comparision on the setpoint output High values for the P factor will accelerate the controller at increasing setpoint actual deviations However in accordance with your control task this may lead to oscillation It is recommended to determine the ideal value carry by trials as corresponding calculations are complicated Start off with a P factor of 10 and observe the reaction of your system In accordance with the reaction try smaller or higher values until a reasonable adaption to your system requirements is found P Factor 00 Use the NUM keys to enter a value between 1 and 50 Press ENTER to save and proceed Parameter I Factor This integral action controller minimizes the difference between setpoint and actual value calculated in accordance with the a m P factor setting As above you are required to find a compromise between velocity and accuracy Begin with an I factor of 5 and observe the reaction of your system to deviations Afterwards adapt the value for the I factor step by step until results are satisfactory I Factor 00 Use the NUM keys to enter a value between 1 and 50 Press ENTER to save and proceed Parameter CONTROLLER DEVIATION This parameter determines the accuracy of the control operation by determining the an allowable percentual deviation of the actual value from the setpoint As long as the calculated deviation exceeds the allowable deviation the controller will go on improving the setpoint output
34. d in the setup mode as well the a m unit and resolution as well as by an active linearisation 123 56 1 min__ A channel A real time flow in litres per minute 056 21 1 min__ B channel B real time flow in litres per minute sum key The MCM 200 has two counters for each channel The totalizer which is displayed here can be reset externally ae batch processes The totalizer is standardized by the K factor and unit of the real time value 434 12 Liter YA sum of channel A in litres 089 45 Liter B sum of channel B in litres Kuppers Elektromechanik GmbH page 20 total f in imp MCM 200 User s Manual total key The totals counter parallels the a m totalizer total consumption over a longer period e g changing shifts and charges monthly consumption etc This channel can only be reset for both channels simultaneously via the external control input see terminal layout The totals counter is standardized by the K factor and unit of the real time value 1567 24 Liter__ A totals of channel A in litres 567 66 Liter__ B totals of channel B in litres f in key alternating function To display the raw measuring frequencies of both channels with a fixed resolution of 0 01 Hz The message Hz FAST tells you that the displayed values have not received any calming or standardizing A repeated pressing of this key will call up the the calmed frequency indica
35. data in the measuring mode press the PRINT key followed by INFO key K ppers Elektromechanik GmbH page 17 MCM 200 User s Manual Setup Menu Structure The setup requires you to make some basic adjustments in accordance with hardware and software features of the MCM The setup adjustments are independent of the operation parameters like limits hysteresis or time and date To start up the setup simultaneously press the keys 6 and Ain and connect power afterwards Wait until the message Setup Channel A appears in the display switch on MCM X _ Press lt 6 gt lt Ains _ s and connect power_ lt Enter gt see programming scheme lt Enter gt x 4 lt Enter gt Y lt Prog gt Setup Channel A 1 1 gt Operation Mode 1 1 1 a Flow Di i 1 1 2 lt Enter gt ie lt Prog gt gt Operation Mode LI eee y DP Flowrate 1 1 3 e Setup Channel B 11 Operation Mode L2 Analog In Offset 1 1 4 lt A gt Operation Mode L3 lt Enter gt lt Prog gt d Time Analog in 1 1 5 zN Operation Mode L4 lt Setup Limits 1 6 1 2 Dimens Analog In 1 1 6 Operation Mode L5 DPANGIOGS Ty is nalog In ale lt Ent
36. decimal point must be known 8F long r w MAX limit 4 to set this value the limit mode P06 the dimension in accordance with eo the limit mode and the associated decimal point must be known 90 long r w MAX limit 5 to set this value the limit mode P06 the dimension in accordance with the limit mode and the associated decimal point must be known 91 long r w MAX limit 6 to set this value the limit mode P06 the dimension in accordance with the limit mode and the associated decimal point must be known 92 long r w MIN limit 1 to set this value the limit mode P06 the dimension in accordance with the limit mode and the associated decimal point must be known 93 long r w MIN limit 2 to set this value the limit mode P06 the dimension in accordance with the limit mode and the associated decimal point must be known 94 long r w MIN limit 3 to set this value the limit mode P06 the dimension in accordance with the limit mode and the associated decimal point must be known Kuppers Elektromechanik GmbH page 59 MCM 200 User s Manual List of Parameters and Measuring Values MCM 200 continued Para No HEX 95 96 97 98 9B 9D 9F Al A3 AA AD AF Bl B3 B5 B7 B9 BD BF Cl Data read type write ili float r As of 08 00 Wa Zi Description MIN limit 4 to set this value the limit mode P06 the dimension in accordance with the limit mode and the associated decimal point must
37. der the frequency for programming this parameter as the relation between frequency and flow rate is already known by the parameter K factor Analogue offset Flow unit and decimal point depend on your setup adjustments Analog Out Adjust 4 Next P Prog E Quit Press PROG to scale the analogue output Parameter ANALOG OUT START Flow unit Now enter the flow rate which is supposed to be represented by 0 4 mA or 0 10 V Analog Out Start 0000 00 1 min Enter the flow rate using the NUM keys afterwards press ENTER to proceed Parameter ANALOG OUT END Flow unit Now enter the flow rate for 20 mA or 10 V It must be greater than the start value Otherwise the following message will appear in the display A GAIN lt A START PRESS ENTER TO CLEAR Press enter and re enter the value Analog Out End 0000 00 1 min Enter the flow rate using the NUM keys and save with ENTER Afterwards the MCM goes back to the K Fac Gate Time display Press A repeatedly until the level analog in adjust appears Kuppers Elektromechanik GmbH page 40 MCM 200 User s Manual Level ANALOG IN ADJUST Each channel can be equipped with an analogue input which may be used as a setpoint output for the PI controller or as an additional input for measuring values which are available as an analogue signal e g pressure or temperature The mode was determined in the setup programming Analog In ADJUST 4 Next P Prog E Quit Press PRO
38. e 19 MCM 200 User s Manual Measuring Mode selection of Displays Reoresentation of Measuring Results In the measuring mode you may select from SET K ppers Elektromechanik GmbH MCM 200 various displays pressing one of the bottom a 4 aT keys The keys have different functions 7 B according to the mode selected With active an ered re yaa kal EIA measuring mode the 2 line of the key applies it w Cee Cee fee fe CH 7 oo E gives a short description of the display The er Pe ber ee Pee fol fee ee or ee capitals A and B on the right to the display represent the two channels For one channel versions please read p 18 before going on Please note Some displays require optional features analogue input output 2 measuring channel to be available If the control inputs HOLD and RESET are connected the following message will appear for one second 123 56 1 min A HOLD ACTIVE A 056 21 1 min B RESET ACTIVE B Keys to select displays bottom row flow key This display shows the scaled measuring results of both frequency channels Unit and resolution of the channels depend on the setup adjustments for the corresponding channel The flow scaling is determined by the K factor of the flow meter to be entere
39. e minimum Analog In Min _L A _000012 8 bar B Enter the min limit via the NUM keys and press ENTER to save and proceed with the hysteresis Hysteris L mes 1 5 Limit Pl Controller Setpoint Act This limit will control the difference between setpoint and actual value i e the max allowable deviation of both values from each other independent of the programmed setpoint If the setpoint was constant you could as well use this limit for a flow limit control However in this case you would have to re programme the limit with each setpoint change PI Deviation L 04 5 Enter the allowable percentual deviation via the NUM keys and press ENTER to save and proceed with the hysteresis Hysteris L 1 0 Enter the hysteresis via the NUM keys and press ENTER to save and proceed Kuppers Elektromechanik GmbH page 48 MCM 200 User s Manual 2 3 Quick Programming The quick programming allows for re programming of certain parameters in the measuring mode without having to go through the complete setup or process parameter programming As a precondition control input 3 must be connected and the quick programming for the parameters must be enabled in the setup MASTER A key operated switch may prevent unauthorized quick programming Please note During the quick programming the limit outputs are neutral the analogue outputs are set to zero and the measuring mode is interrupted Start the quick programming
40. ed parameter e g flow rate and limit no _00100 00 1 min value for limit max Use the NUM keys to enter the limit press ENTER to save and proceed with the min value FlowLim Min Ly eave _00010 00 1 min Use the NUM keys to enter the limit press ENTER to save and proceed with the hysteresis Hysteresis Ti Sve 0 1 If the volume or mass flow is unstable e g due to piston pumps the limit switch output may start to scatter when the flow rate approaches the limit To avoid this enter a hysteresis which is slightly higher than the percentual flow variation within the max limit range Example with flow variations of 3 5 in the upper range the hysteresis should be approx 3 8 Kuppers Elektromechanik GmbH page 46 MCM 200 User s Manual Limit for Sum Counter A Sum Counter B Now enter the count of the sum counter A or B which is supposed to activate the related switch output In accordance with the number of limits related to the sum counter you may use the switch output of the programmed limits as pre alarm and main alarm e g to reduce the flow rate for the last 10 of a batch process Sum D ees _00323 45 Liter Enter the value via the NUM keys and press ENTER to save and proceed Ratio A B Limit To control the ratio of channel A and B Example The ratio of components A and B must be 2 000 e g A 100 l min B 50 l min Enter 2 000 for ideal ratio A B The max allowable devia
41. el B The MCM is calculating all parameters necessary for operation Afterwards the last selected display of the measuring mode appears e g the flow rate display 123 56 1 min__ 056 21 1 min__ 2 Starting the setup Keep key 6 A in pressed located in the bottom row below display and connect power cord The first message appears A in KEM date of manufacture Elektromechanik GmbH The above message is followed by the setup Kuppers Elektromechanik GmbH page 24 MCM 200 User s Manual General notes on programming The following explanations and instructions consider all features incl options and possible adjustments In accordance with your personal MCM version and adjustments it may occur that some of the following displayings do not appear This is because the MCM 200 will skip options which are not included in your version e g the MCM will not ask you for the ratio adjustments if your MCM is a one channel version Moreover in accordance with your adjustments the MCM 200 skip those setup and process parameters which are not required e g the MCM will leave out the density parameter if you select a volumetric unit for the flow rate Keys required for the setup programming ENTER e A
42. en programming the process parameters FLOW LIMIT A Operation Mode LIM Flow Limit A To control the real time value e g actual flow rate of channel A for max and minimum FLOW LIMIT B As above for channel B FLOW LIMIT A B As above for the sum of the real time values of channel A and B SUM LIMIT A Operation Mode LIM Sum Limit A To control the scaled sum counter of channel A for maximum count When the maximum count is reached the switch output will be active A reset of the sum counter by external contact will disable the switch output SUM LIMITB As above for the sum counter of channel B SUM LIMIT A B As above for the sum of both channel counts Kuppers Elektromechanik GmbH page 31 MCM 200 User s Manual RATIO LIMIT A B Operation Mode LIM Ratio Limit A B Percentual limit for the ratio of channel A and B controlling the max deviation requires identical units of both channels ANALOG IN LIMIT A Operation Mode LIM Analog In Limit A To control the scaled analogue input signal of channel A ANALOG IN LIMIT B As above for channel B PI CONTROLLER A SET ACT LIMIT Operation Mode LIM PI Contr A Set Act To control the difference between setpoint and actual value in the controller mode of channel A PI CONTROLLER B SET ACT LIMIT As above for channel B Kuppers Elektromechanik GmbH page 32 MCM 200 User s Manual Setup MASTER In
43. er gt ae Operation Mode L g y Analog Out Offset 1 1 8 e Setup Master 1 3 A Reaction Time 1 1 9 lt gt lt Enter gt Y E gt Quick Progr Density 1 3 1 Linear on off 1 1 10 Ie Setup RS232 485 14 H Quick Progr Limits 1 3 2 Key Batch Reset 1 1 11 A es eins 3 Quick Progr Setpoint 1 3 3 Pl Contr Type 1 1 12 Setup Ti ID ny 15 E Quick Progr Ratio 1 3 4 Contr Out Hold 1 1 13 Setup Time Date p 4 Quick Progr Setpoint 1 3 5 Ratio Calculation 1 1 14 fe lt Enter gt yo amp LyJBaud Rate RSXXX 1 4 1 Setup Centronics 1 6 Module Offset RS485 1 4 2 5 ens i ar v i gt Time hh mm 1 5 1 etup i lt A gt Parameter Print 1 7 Date dd mm 1 5 2 J Year 19XX 1 5 3 Enter lt PRINT gt tp Unit Number 1 6 1 Parameters Printout Number 1 6 2 gi Unit Ident 1 6 3 y lt Prog gt Print Format 1 6 4 Entering Parameters 4 vVvvy y K ppers Elektromechanik GmbH page 18 MCM 200 User s Manual Programming Menu Structure Unlike the setup adjustments the programming will determine individual parameters in accordance with the measuring task To start programming repeatedly press ENTER followed by PROG Keys lt Enter gt lt
44. es TS exceeding t bypassing and 0 inactive Active control inputs are displayed by their respective number 1 2 or 3 Inactive control inputs are represented by o Example Limit 3 is exceeded Limit 6 is bypassed control inputs 1 and 3 are connected Input L gt 1 2 3 45 6 A limits 1 6 103 0 0 tT 00 B limit state state of control inputs Kuppers Elektromechanik GmbH page 22 MCM 200 User s Manual Errors with serial data transmission press INFO PROG again After repeated pressing of the INFO PROG key the following table of errors will appear in the display Error Description No Hex in Module module number has no valid hex characters Module negative module of previous unit Next Module module of next unit OEER overflow baudrate FEER framing error data format start and stop bit OVFL overflow of internal memory In order to return to the limit display press INFO PROG again One Channel Versions The a m description of the displays and keys is based on an MCM 200 which includes all options If your MCM 200 is a one channel version please ignore the capitals A and B on the right to the display and please note you may vary the two lines of the display by your own choice Example Pressing flow will call up the following display no display 123 56 1 min__ real time flow of channel A in litres per minute Pressing SUM afterwards will change the display as follows 123 56 1 min__ real time
45. flow of channel A in litres per minute 434 12 Liter__ sum of channel A in litres per minute The former bottom line is scrolled up to the top and the current bottom line shows the newly selected display You may repeat this scrolling effect as often as you like Press total to change the display as follows 434 12 Liter X sum of channel A in litres per minute 1567 25 Liter__ B totals of channel A in litres per minute Kuppers Elektromechanik GmbH page 23 MCM 200 User s Manual Starting up the MCM 200 Before you turn on the MCM 200 please note two functions require you to press a certain key before you connect the power cord 1 Calling up information on the included options ale Keep key info prog pressed located on the left to the display eg and connect power cord The first message in the display is KEM date of manufacture Elektromechanik GmbH followed by the system following system information MCM 200 Version channel A no of channels channel B Analog Input Yes __ channel A Analog Input Yes__ channel B Analog Output Yes channel A Analog Output Yes channel B PI Controller Yes channel A PI Controller Yes channel B Linearisation Yes channel A Linearisation Yes __ channel B RS 232 485 Yes channel A Centronics Yes__ channel B options which are not included are marked No The next message is the following Calculating __ channel A Work Register __ chann
46. g min l h 5 kg h 6 ccm s 7 g s 8 Gal min 9 lb min A m3 hB U min C C D bar E kg m F A B bits 4 to 7 state the total sum dimension kg l gramm 2 litres 3 ccm 4 pulses 5 galones 6 lb 7 m 8 U byte multi functional control register bit 7 5 3 1 0 0 0 measuring module mode 0 0 1 contrl w t fix setp 0 1 O contrl w t ext fix setp 0 1 1 contrl ratio fix setp 1 0 O contrl ext ratio fix setp 1 0 1 contrl w t analogue setp 0 1 1 contrl w t anal ratio setp 1 hold control output A 1 keyreset active 4 1 ctrl type 1 0 type 0 2 1 linearisation active A 1 flow limit delayed Cei byte r 0 t printer gt MCM device no This number appears on the printout measuring values parameters printer gt printer log measuring values 0 parameter printout list of all operation parameters 1 specific printout of meas values programmable see manual 3 standard printout of meas values all operation values hysteresis limit 1 in 1 10 Yo without decimal point adjust switch hysteresis of the respectve output here hysteresis limit 2 in 1 10 Yo without decimal point hysteresis Tinie San fiysieresinliml din hysteresis Tinie in byte r w hysteresis limit 6 in 1 10 Yo without decimal point 1 10 Yo without decimal poi
47. g the HEX values of characters 2 to 7 30h 31h 4Bh 50h 30h 31h 15D Example Reading measuring value B1 scaled actual value of channel 2 character no 1 2 3 4 5 6 7 8 9 10 sex vaise or ao 32 am gt a2 aa 36 a4 on ASCII character gt 0 2 K M B 1 6 D lt CR gt CHECKSUM calculation adding the HEX values of characters 2 to 7 30h 32h 4Bh 4Dh 42h 31h 16D Answere to a Read Request The MCM 200 will send the requested measuring values or parameter values in the following format lt START CHARACTER gt lt DATA TYPE gt lt DATA gt lt CHECKSUM gt lt CR gt start character always A in case of any errror the MCM 200 sends N followed by an error no data type there are 4 different types T LONG 4 datenbytes 8 characters MSB LSB 7 INTEGER 2 datenbytes 4 characters MSB LSB b BYTE 1 datenbyte 2 characters f FLOAT 4 datenbytes 8 characters MSB LSB format DIN IEC 47B C0 2 The data type for each parameter or measuring value is preset see table and indicated in each answer Catia eati eaire in accordance with the data type the databytes containing the results of the request are transmitted checksum a 2 digit hexadecimal number reflecting the sum of all preceding characters except for the start character The sum is calculated by adding all hex values The low byte of the results also use 2 ASCII ch
48. gnal after the the valve correction time has passed Contr Out at Hold Contr Out at Hold zero Hold Press A to select and ENTER to save and proceed Kuppers Elektromechanik GmbH page 29 MCM 200 User s Manual Ratio Calculation Equipped with two channels the MCM can calculate and evaluate the ratio of the real time values of both channels The ratio is calculated A B In accordance with your application and system you may select from 3 methods to calculate the ratio For all methods a sufficient number of pulses should be considered for the ratio calculation to achieve a satisfying accuracy With low input frequencies and or short process periods e g low flow rate with a small K factor and short batch process the number of pulses of the ratio channel B may be very small and require a summarization of several sub processes or a different method for the ratio calculation Please note the response time of the measuring system is affected by the adjustments for the ratio calculation Press A to select and press ENTER to save According to pulse preset Ratio Calculations by pulses The unscaled pulse preset is entered when programming the process parameters The MCM will calculate the ratio A B as soon as the preset has been reached Both channel must exceed the pulse preset to avoid the channel with a lower pulse count will affect the accuracy Accuracy will improve with increasing presets By external contact R
49. hannel one input for measurement one input for reverse flow detection accuracy 0 02 current switch level NAMUR DIN 19234 voltage switch level Ul lt 6 V Uh gt 9 V Umax 30 V frequency measuring range 0 8 Hz 10 kHz control iNpUtS reset and hold each channel ST1 ST2 ST3 active with Ul lt 3V tmin 100ms vs GND analogue inputS lt w w 1 each channel with 14 bit resolution meas process sigma delta selectable current 0 4 20 mA input resistance 500 Ohm voltage 0 2 10 V Ri 10 Ohm detection of line breakage at 4 mA and 2 V respectively analogue OUtpuUtS lt lt s sw w 1 for each channel 12 bit resolution current 0 4 20mA impedance 1000 Ohm voltage 0 2 10 V load lt 3 kOhm linearity 0 05 of final value temperature drift 0 05 per 10 K residual ripple 0 05 of final value switch Outputs lt s w smmwa 6 galvanically free related after setup open collector 30 V 50 mA low inductive switch hysteresis adjustable from 0 9 9 Yo of measured value frequency output 1 1 lt 1 each channel galvanically free open collector 30 V 50 mA operation and display front panel all operation parameters are entered via foil touch keyboard P Play P P P y display two line type vacuum flourescent display 2 x 20 characters character size 2 4 x 4 7 mm i
50. he first frequency Decimals as in the calibration record cannot be entered rounded figures are sufficient Lin Point 1 00000 Hz Press ENTER to proceed with the corresponding error Parameter ERROR POINT 1 Now enter the error of actual flow as per calibration record The max input is 12 7 Press A to select the sign Error Point 1 00 0 Press ENTER to save and proceed with the next frequencies and errors accordingly If less than 10 points are to be entered you may stop programming by entering a frequency of 00000 Hz and an error of 00 0 After saving the last entry the MCM returns to the K Fak Gate Time display Kuppers Elektromechanik GmbH page 42 MCM 200 User s Manual Level PI PARAMETERS The PI controller enables for rapid flow control Control operations are based on a setpoint actual comparison Thanks to its adaptive abilities the MCM will save all control operations As soon as a known alteration re appears the controller will immediately change the setpoint using the saved value instead of a evaluating a new setpoint actual comparison thus saving time To adapt the controller to your system you are now required to enter the controller parameters which affect the performance of the controller PI Parameter 4 Next P Prog E Quit Press PROG to proceed Parameter P FACTOR This is a proportional factor which will strengthen the effect of a control operation calculated by the setpoint actual
51. in the display Programming __ Channel A If you want to return to the measuring mode press ENTER Kuppers Elektromechanik GmbH page 38 MCM 200 User s Manual Press A to select between the following Programming Programming Programming Channel A __ Channel B Limits 1 6 Press PROG to confirm your selection The display shows the first programming level and parameter respectvely Please note the second line advises how to proceed Second display line NEXT P PROG E QUIT which means press A shown as in the display for the next parameter level press PROG to start programming the current level press ENTER to quit programming and start the measuring mode Programming Channel A and B Level K factor and Gate Time The display shows the following K Fac Gate Time 4 Next P Prog E QUIT Press PROG to enter the K factor of the flow meter according to the KEM calibration record and the gate time afterwards K FACTOR Imp l The adjustment affects only the frequency input The calibration record shows the average K factor in pulses per litre When entering the K factor please note max 2 decimal places are possible The display shows the last entered K factor e g K Factor 1000 00 Imp 1__ Enter the K factor according to the calibration record using the NUM keys 0 9 bottom row Press ENTER save and proceed GATE TIME msec This parameter determines the response time of you
52. itional evaluation units The basic unit also includes a reverse flow detection Universal input stages allow for connection of active and passive pickups anlogue in and outputs can use current signals 0 4 20 mA and voltage signals 0 2 10 V Further options and adjustments will provide an ideal process adaption Operating Principle An edge controlled pulse width measurement combined with programmable time base function provides rapid and stable measuring values The MCM 200 therefore detects any alteration of the measured values quickly and most accurately The analogue inputs incorporate an integrating sigma delta converter to ensure that analogous measuring values are detected as accurately 16 Bit and quickly as required by automatic control applications of process technology The analogue output has resolution of 12 bit It either supplies a standardised analogue signal or serves the PI controller Operation and Display Thanks to clearly laid out parameter sections and a user guide programming the MCM 200 is eased by There are two programming sections for setup and parameters Setup includes basic adjustments like operating mode offset limit adjustment etc Usually these adjustments are only required when starting up the MCM 200 or when the whole system is adapted The programming of operational parameters like limits or display scaling is functionally divided All values may be entered and displayed immediately Units can be
53. ler You may select different modes for both channel A and B Operation Mode Five modes are available Press A to go through the modes When the desired mode appears press ENTER and proceed with the next parameter Operation Mode A Section title Measuring Mode B possible mode For measuring mode with measurement of frequencies analogue in and outputs and to operate the limits Two channel versions do additionally allow for ratio processing Operation Mode PI Setpoint Fix For controller mode with a fixed setpoint The setpoint is entered when programming the paramters Operation Mode PI Setpoint Analog __ For controller mode with varying setpoint The setpoint is determined by the analogue input Operation Mode PI Setp Ratio Fix appears during setup of channel B Channel B may be used as a ratio controller The desired ratio is entered when programming the parameters and will be available as an anolgue signal by the analogue output of channel B Operation Mode PI Setp Ratio Analog appears during setup of channel B As above however the ratio setpoint may be determined by the analogue input Flow Unit Flow Dimension A 1 min B Press A to go through the selection When the desired unit appears press ENTER and proceed with the next parameter Kuppers Elektromechanik GmbH page 26 MCM 200 User s Manual Decimal Point Flow Rate You may determine the accuracy of the flow display by the decim
54. nearisation You may activate a 10 point linearisation of the frequency measurement for each measuring channel Linearisation ON _ Linearisation ON _ A No Yes B Press A to select and ENTER to save and proceed Sum Counter Reset via Key In addition to the reset of the sum counter cf p via external contact your adjustment for this setup parameter will faciliate or prevent a reset of the sum counter of each channel via the MCM keyboard e g for operators on site Key Batch Reset __ Key Batch Reset __ No Yes Press A to select and ENTER to save and proceed Kuppers Elektromechanik GmbH page 28 MCM 200 User s Manual Pl Controller Type The PI controller is used to drive final control elements like valves A set point actual comparison will detect deviations and trigger off a control operation where the controller output analogue output is changed to compensate the deviation The MCM 200 will always wait until the valve correction time has passed to ensure that the control operation is carried out completely The involved calculations depend on the adjustments for factor I and P programming of process parameters Two different PI controller types are available Controller type 1 considers the valve correction time as a constant parameter irrespective of the alteration Type 2 considers the die valve correction time in proportion to the alteration Example for controller type 1 Electro pneumatically c
55. nicate with The HEX number is shown in ASCII characters channel 5 05 command s J for write request SECHON AA WAA The MCM 200 has two sections parameter and measuring value section ASCII character P selects parameters measuring values are not available with write requests ya Ya Na Siiri a 2 digit hexadecimal number specifying the parameter or measuring value number toc contact The HEX number is shown in ASCII characters format 400i ase e enter the format of the parameter there are 4 different types T LONG 4 datenbytes 8 characters MSB LSB i INTEGER 2 datenbytes 4 characters MSB LSB b BYTE 1 datenbyte 2 characters f FLOAT 4 datenbytes 8 characters MSB LSB format DIN IEC 47B CO 2 The data type for each parameter is preset see table datah se citi AA in accordance with the data type the databytes containing the results of the request are transmitted checksum a 2 digit hexadecimal number reflecting the sum of all preceding characters except for the start character The sum is calculated by adding all hex values The low byte of the results also use 2 ASCII characters to indicate a HEX number is the checksum AA a each reguest string has to be completed with the Carriage Return character hexvalue OD as the MCM 200 will only start a log check on receipt of this character Please note HEX numbers must be written in captitals i e A B C D E
56. nt 1 10 Yo without decimal point 1 10 Yo without decimal point Kuppers Elektromechanik GmbH page 57 MCM 200 User s Manual List of Parameters and Measuring Values MCM 200 continued ae No 2 N 2 Ww 2 nN 25 26 27 28 29 2A 2B 3A 3B 3F 40 41 42 Data read type write il byte byte r w KS KIKA AE E BAKA eye byte r w Description measuring value printout line 1 with specific printout requires programming 00 actual value A in flow dimension 01 actual value B in flow dimension 02 actual value A B in flow dimension 03 actual value A B in flow dimension 04 actual value A B as ratio value x xxx no dimension 05 sum A in total dimension 06 sum B in total dimension 07 sum A B in total dimension 08 sum A B in total dimension 09 sum A B as ratio value x xxx no dimension OA total A in total dimension OB total B in total dimension OC analogue input A in analog IN dimension OD analogue input B in analog IN dimension OE limit status for limits 1 to 6 ON OFF OF this is the final line measuring value printout line with specific printout requires programming see parameter 1E measuring value printout line 3 with specific printout requires programming see parameter 1E measuring value printout line with specific printout requires programming see parameter 1E measuring value printout line with specific printout requires programming
57. nterface RS232 RS 485 serial communication interface 2400 4800 9600 Bd read write centronics printer interface parallel line printer to print out measuring values and parameter adjustments centronics standard Kuppers Elektromechanik GmbH page 5 MCM 200 User s Manual Rear Terminals rear connections G Centronics Printer F RS485 E RS232 30000000000000 EESE EEE N 243 H C Ere EEEE EEE EE OO Of OO oOfoOfojojo Terminal A Digital Inputs no description 1 12 V 20 mA external pickup supply 2 GND 0 V external pickup supply 3 f channel A measurement 4 f channel A reverse flow 5 f channel B measurement 6 f channel B reverse flow 7 f 1 1 frequency out channel A 1 1 OC 8 f 1 1 frequency out channel B 1 1 OC 9 COMMON f1 1 freq out c hannel A B 10 reset channel A vs GND 11 hold channel A vs GND 12 reset channel B vs GND 13 hold channel B vs GND 14 limit 1 open collector 15 limit 2 open collector 16 limit 3 open collector 17 limit 4 open collector 18 limit 5 open collector 19 limit 6 open collector 20 COMMON LIMIT 21 total reset vs GND 22 ratio limit wait vs GND 23 prog lock vs GND Terminal E RS232 Interface no description 71 TxD send 72 RxD return 73 R COM reference mass RS 232 galvanically free 74 COM print 75 print
58. ontrolled valve time constant 250 ms The controller changes the control output in accordance with the alteration and waits 250 ms to perform the next setpoint actual comparision Example for controller type 2 Valve with electromechanical rotary drive valve correction time for 0 100 15 seconds A setpoint change of 15 will require 15 of the valve correction time i e 2 25 seconds The controller changes the control output and waits 2 25 seconds to perform the next setpoint actual comparision PI Contr Typ PI Contr Typ Type 1 _ Type 2 Press to select the controller type and ENTER to save and proceed Controller Output Behaviour with activated HOLD With activated HOLD e g after completion of a spraying cylcle the state of the controller output will be maintained i e the actual signal of the analogue output is saved and the control functions are interrupted In accordance with your system you may now determine whether the controller output to is set to zero or the last control signal is maintained after activating HOLD HOLD OUT Hold The current output signal and valve state is maintained After disabling HOLD the controller immediately starts off operating with the maintained value HOLD OUT Zero When HOLD is activated the current output signal will be saved Afterwards the controller output is set to zero which will close the valve When HOLD is disabled the controller starts off with the saved output si
59. r measuring system and enables you to adapt the measuring time of the respective channel to your requirements Example periodic disturbances caused by piston pumps will be included in the displayed value if the gate time is too short Choosing an appropriate gate time the disturbances can be calmed or even eliminated Gate Time 104 ms Pressing A will add 104 ms to the current value The values range from 104 3224 msec Press ENTER when the desired value appears in the display The MCM returns to the K Fak Gate Time display Press amp to proceed with the next parameter Kuppers Elektromechanik GmbH page 39 MCM 200 User s Manual Level Density only with mass related units KEM flow meters are volumetric meters If you wish to display or evaluate a mass flow you may convert the volume flow into a mass flow by the density of the measuring medium Density 4 Next P Prog E Quit Press PROG to enter the density Parameter DENSITY kg m Now enter the specific gravity of the measuring medium via the NUM keys Density 1000 kg m3 Press ENTER to save Afterwards the MCM goes back to the K Fac Gate Time display Press amp repeatedly until the level analog out adjust appears Level ANALOG OUT ADJUST If the analogue output is used to provide a flow proportional signal 0 4 20mA and 0 2 10V you may now adjust the entire analogue range to represent a flow range by your choice You do not have to consi
60. r the displayed analogue input signal here DP Analog Input DP Analog Input A B 0000 0 bar 000 00 bar Press A to move the decimal point Please note the decimal places are limited for some units Press ENTER when the decimal point has reached the desired position Kuppers Elektromechanik GmbH page 27 MCM 200 User s Manual Offset Analogue Output The analogue output is capable of providing 0 4 20 mA or 0 2 10 V Offset will shift the minimum level from 0 to 4 mA and 2 V respectively independent of whether the analogue output is used as a setpoint output for the PI controller or as a flow proportional output signal Analog Out Offset _ Analog Out Offset _ No Yes Press A to move the decimal point Press ENTER to save and proceed Response Analogue Output If you intend to use the analogue output as a flow proportional current or voltage output only possible in the measuring mode you may now select between a fast and a slow response time e Selecting fast means the analogue output signal will be available after a measuring time of approx 150 ms The exact measuring time depends on the pulse width of the input frequency edge controlled pulse width measurement e Selecting slow means the measurement will be based on a smooth mean value method to compensate interference e g caused by piston pumps Reaction Time Reaction Time Fast Slow Press A to select and ENTER to save and proceed Li
61. rent date adjustment day followed by month Set Date A dd mm B Enter the desired dated via the numerical keys 0 to 9 Example if the desired date is 18 May enter press 1 80 5 and save with ENTER Again the MCM will check your adjustments day 1 to 31 month 1 to 12 False adjustments will prevent the MCM from proceeding with the next parameter and you may enter the time again After correct time adjustment the MCM proceeds to the year programming 1 5 3 Setup Year The display shows the current year adjustment Set Year A 1998 B You may increase the value via the A key from 1998 up to 2020 When the desired value appears press ENTER to save Afterwards the MCM will return to the setup channel A display The programming of the clock and calendar is now completed The programmed values will apply as soon as you leave the setup Kuppers Elektromechanik GmbH page 35 MCM 200 User s Manual 1 6 Setup Centronics Die optional printer interface corresponds to the centronics standard A customary printer cable PC 25 pin Dsub plug gt printer 36 pin centronics plug may be connected to the 25 pin Dsub socket No hardware adjustments are necessary this section includes the programming of parameters relevant for the printout itself Press PROG to start programming 1 6 1 Unit Number You may enter an individual number ranging from 0 up to 255 for each MCM 200 This number will appear on each printout of p
62. s The report may contain up to 10 measuring values printed on individual lines with a programmable printing order _ Print on line 0 __ A PROG _Print on line 9_ A Flow Value B eet __Flow Value B Start to select the measuring value to be printed in the first line of the report You may scroll the selection as per the table below pressing the keys 4 and Y When the desired value appears press PROG to proceed with the selection of the value for the next line The programming of the report is completed when no print is selected Save your adjustments by pressing ENTER Measuring values for printouts Description Layout Flow Value Real time value channel A dimension real time value channel B dimension Flow Value A B sum of real time values of channel A and B dimension Flow Value A B difference of real time values channel A and B dimension Flow Value A B ratio of real time values of channel A and B no dimension Batch Value sum channel A dimension sum channel B dimension Batch Value A B addition of sums channel A and B dimension Batch Value A B difference of sums channel A and B dimension Batch Value A B ratio of sums channel A and B no dimension Total Value total count channel A dimension total count channel B dimension Analog Input scaled analogue value ch A dimension scaled analogue value ch B dimension Ratio ratio calculated according to Ratio Calculations cf 1 1 14 no print end of individu
63. selected from presets l min ccm min and conversions are superfluous All adjustments may be saved for up to 10 years by an integral battery The VFD display will show present process state The measuring mode offers various diplays scaled real time flow values limit state measured frequency counts etc selectable via keyboard Options A 2 frequency measuring channel linearisation for frequency measuring channel per channel PI closed loop controller per channel analogue input per channel analogue output per channel communication and printer interface per unit Kuppers Elektromechanik GmbH page 4 MCM 200 User s Manual Technical Data protection class w front IP60 according to DIN 40050 rear IP30 according to DIN 40050 CONNECHIONS onini E ia power supply 3 pin screw terminal 0 2 2 5 mm in and outputs plug in screw terminals 0 08 2 5 mm interface plug in screw terminals 0 08 2 5 mm housing Ia a ea DIN panel mount housing 144 mm x 72 mm overall depth including plug 220 mm allowable ambient temperature 0 up to 45 C Wa ai approx 750 g power SUPPIy ii 230 V AC 50 Hz or 24 V DC power consumption 5 VA battery NE ccs with storage 8 years with daily 8 h operation at least 10 years pickup supply 26 ccesth ais 12 V DC 20 mA each channel frequency inputs lt lt channel A optionally channel B 2 frequency inputs each c
64. t offset 02 unit offset 03 channel A channel B channel A channel A channel B module 1 module 2 module 3 module 4 module 5 RS 485 RS 485 RS 485 TxD TxD RxD Rxd TxD TxD 7RxD Rxd TxD TxD RxD Rxd it 1 Enter the module offset in the following mask Unit Offset A 003 B Enter the figure 0 255 via the numerical keys 0 9 and confirm pressing ENTER The programming of the RS 232 485 is now completed Kuppers Elektromechanik GmbH page 34 MCM 200 User s Manual 1 5 Setup Time Date The serial parallel interface of the MCM 200 has a batteriy buffered crystal clock and a calendar to include time and date in printouts e g production or batch reports The defaults correspond to the actual time and date however they may be altered in the setup by pressing PROG when time date appears in the display 1 5 1 Setup Time First you are required to enter the time The display shows the current time adjustment Set Time A hh mm B Enter the desired time via the numerical keys 0 to 9 Example if the desired time is 21 45 9 45 p m press 2 1 4 5 and save with ENTER The MCM will now check your adjustment hours 0 to 23 and minutes 0 to 59 False adjustments will prevent the MCM from proceeding with the next parameter and you may enter the time again After correct time adjustment the MCM proceeds to the date programming 1 5 2 1 Setup Date The display shows the cur
65. ted by the message Hz Sample The frequencies displayed now are calculated via the programmed measuring time see GATE TIME 234 27 Hz Fast A raw freq ch A 234 27 Hz Samp A calmed freq ch A 175 43 Hz Fast B raw freq ch B 175 43 Hz Samp B calmed freq ch B imp key To display the unscaled incoming pulses of both channels with their corresponding frequencies 17438045Im3060Hz A channel A incoming pulses and corresponding frequency in Hz A out A in 191545671Im3126Hz B channel B incoming pulses and corresponding frequency in Hz A out key alternating function To display the state of the analogue output Two different formats are available which can be called up by repeated pressing of this key 123 56 1 min 56 8 A channel A scaled real time value and analogue level in percent 056 21 1 min 23 5 B channel B scaled real time value and analogue level in percent wA I A channel A trend analogue output aoa I B channel B trend analogue output A in key To display the scaled value of the analogue inputs e g temperature pressure flow in accordance with the way of use setpoint preset or measuring input 056 23 C A channel A scaled analogue value in C 047 56 C B channel B scaled analogue value in C Key works only when respective option is included Kuppers Elektromechanik GmbH page 21 A B
66. ters will be skipped If you selected controller as operation mode in the setup the MCM will now skip the scaling of the analogue output it is used as a controller output Keys required for the programming of process parameters ENTER A print res A enter A SEM K ppers Elektromechanik GmbH MCM 200 print A es A enter Ya PROG B info res B info pei P imi ovl Aout oltin reset ext Pe limit amp ovl Ain hold ext 2 prog dens Timits ratio selp main Gi F2 F3 FA F5 0 1 2 3 4 3 6 yA 8 i flow sum total f in imp A out A in A B A B A B NUM NUM O Q Bottom row Keys to enter numerals 0 9 flow y A B Please note for entering numerals Entering numerals will erase the predecessor The numerals enter the display on the right handside and are moved to the left handside by the following numerals If your adjustment is outside the allowable range the original adjustment will re appear after pressing ENTER and the MCM asks you to enter the parameter again blinking cursor To proceed your adjustment must be in the allowable range To start the programming of the process parameters press the following keys print print info enter enter prog Afterwards the following is shown
67. the allowed levels cf Technical Data p 3 Terminal 01 provides a pickup supply of 12 V max 50 mA Frequency input measuring channel A Both measuring channels have second input which is required for reverse flow detection The flow or rotational direction is detected by a 90 phaseshift of Fin A or Fin B respectively The second input is complementary and cannot be used for measurement MCM 200 frequency inputs channel A 12V pickup supply ae 01 Namur 19234 V Ref tt PE 52 i jae 1 o 4 b h i T 03 channel A FinA a b i Namur 19234 b ae she F nig Fin A channel A i 90 phase shift Fin A connect only if reverse flow detection is required Frequency input measuring channel B Spefications as above MCM 200 frequeny input channel B signal source NAMUR frequency channel B ni 01 i Namur 19234 V Ref oei PEO 52 rae Ales val b channel B oan T 05 FinB Namur 19234 o qu H gt e a F Channel B p 90 phase shift Fin B connect only if reverse flow detection is required
68. the quick programming Level PI SETPOINT The type of setpoint fix setpoint analogue setpoint fix setpoint ratio analogue setpoint ratio and the related unit e g litres per minute or and resolution has been programmed in the SETUP In accordance with your setup adjustments for the setpoint unit and resolution you may now enter the value for the setpoint PI Setpoint 4 Next P Prog E Quit Press PROG to start the programming of the setpoint Parameter FIX SETPOINT Appears when fix setpoint was selected in the setup Fix Setpoint A 000 00 1 min B Enter the value via the NUM keys and press ENTER to save and return to the K Fac Gate Time display Kuppers Elektromechanik GmbH page 44 MCM 200 User s Manual Parameter RATIO SETPOINT Appears if ratio setpoint was selected in the setup of channel B A 2 channel MCM 200 can calculate the ratio of the frequency inputs of channel A and B Thus channel B may be used as a ratio controller by programming the setpoint as ratio to the real time value of channel A Enter the ratio channel A channel B A B which will be maintained by the controller Ratio Setpoint A B 1 000 R Enter the value via the NUM keys and Die Eingabegenauigkeit ist auf 0 1 Punkte begrenzt Press ENTER to save and return to the K Fac Gate Time display Level RATIO The MCM can calculate the ratio of channel A and B based on different parameter which may be selected in the setup If
69. the ratio calculation is programmed based on a pulse preset you may now enter the value for it Ratio Programming 4Next P Prog E Quit_ Press PROG to start programming Ratio Batch 01000 Imp Enter the value via the NUM keys and press ENTER to save and return to the K Fac Gate Time display K ppers Elektromechanik GmbH page 45 MCM 200 User s Manual Level Limits 1 6 In the setup the limits are related to certain parameters like flow rate or ratio You may now enter the real values for the limits 1 to 6 and the corresponding hysteresis Press PROG to proceed First you are required to enter the response time for the limits Limit Response Time The response time applies for all limits It prevents the limits from reacting too early e g when starting up a system The allowable adjustment ranges from 104ms to 5200ms and can be selected in steps of 104ms After activating the limits via their external contacts the limits are put in a neutral state until the response time has passed Limit Response Time 104 ms Press A to select a response time in upward steps of 104ms When the desired value appears press ENTER to save and proceed Flow Limit A Flow Limit B Flow Limit A B Flow Limit A B You may now enter the values for the limits 1 6 in numerical order Three inputs are required for each limit these are Max limit Min Limit and Hysterisis Proceed with limit 1 FlowLim Max Tr Sear limit controll
70. the values This is how the MCM adapts to a control process and its characteristic variations With new control processes new working range new control valve it may be necessary to erase the EEPROM as otherwise the MCM would use the saved values of the last control process before a new control operation is carried out You may avoid this by erasing the old values Activate control input 3 Prog Lock and press the key below f 5 bottom row The following appears in the display EEPROM CLEAR __ Channel A Press to select the channel Press ENTER if you wish to stop and return to the measuring mode Press PROG to confirm the channel and the next message appears in the display _ ready to clear __ __Prog Yes Enter No_ This is the last opportunity of stopping the EEPROM clearance Press ENTER to stop and return to the measuring mode To erase the EEPROM press PROG The display will indicate the on going clearance as follows __Clear EEPROM On completed clearance you may repeat the above procedure for the second channel EEPROM CLEAR Channel A Press to select the second channel and proceed as described above or press ENTER to return to the measuring mode K ppers Elektromechanik GmbH page 51 MCM 200 User s Manual 3 0 Interface As an optional feature the MCM 200 may be equipped with a serial parallel interface connecting the MCM 200 and its surrounding The serial communication interface
71. this section you may determine the access to some certain parameters via hot keys i e later on these parameters can be re programmed during operation without having to go through the complete programming process As precondition the control input quick programming has to be connectied After static contact of control input 3 and pressing of the related hot keys DENS LIMIT RATIO lt MAIN gt or lt SETP gt the MCM 200 will ask you for the new value for the parameter You of course also prevent the parameters from being changeable in the a m way Enable quick programming for DENSITY This parameter will only appear with mass related units like kg per minute Quickprog Density Quickprog Density No Yes Press A to select and ENTER to save and proceed Enable quick programming for LIMITS Quickprog Limits Quickprog Limits No Yes Please note During the quick programming the Press A to select and ENTER to save and proceed measuring mode is inter rupted land the outputs take the following status limits L1 L6 neutral analogue output 0 20 mA and 0 Enable quick programming for SETPOINT 10 V Quickprog Setpoint Quickprog Setpoint No Yes Press to select and ENTER to save and proceed Enable quick programming for RATIO Quickprog Ratio Quickprog Ratio No Yes Press A to select and ENTER to save and proceed Enable quick programming for K FACTOR Quickprog K Factor Q
72. tification p 36 Print format p 37 Parameter Print p 37 Parameter and measuring values p 56 Kuppers Elektromechanik GmbH page 2 MCM 200 User s Manual 2 1 2 1 1 2 1 2 2 1 3 2 1 4 2 1 5 2 1 6 2 1 7 2 1 8 2 2 2 2 1 2 2 2 22 3 2 2 4 2 2 5 2 2 6 2 3 2 3 1 2 3 2 2 3 3 2 3 4 2 3 5 2 3 6 2 3 7 3 0 Programming CH A and B p 39 Level K fac Gate time p 39 Level density p 40 Parameter density p 40 Level analogue out adjust p 40 Parameter analogue out start p 40 Parameter analogue out end p 40 Level analogue in adjust p 41 Parameter analogue in adjust p 41 Level linearisation prog p 42 Parameter lin point 1 p 42 Parameter error point 1 p 42 Level PI parameters p 43 Parameter P factor p 43 Parameter I factor p 43 Parameter contr deviation p 43 Parameter Valve corr time p 44 Level PI setpoint p 44 Parameter fix setpoint p 44 Parameter ratio setpoint p 45 Level Ratio p 45 Level limits 1 6 p 46 Limit response time p 46 Limit A B A B p 46 Sum limit A and B p 47 Ratio limit A B p 47 Analogue in limits A and B p 48 Limit controller setpoint act Quick programming p 49 Density p 49 Limits p 50 Setpoint PI controller p 50 Pulse preset for ratio calculation p 50 K factor flow meter p 50 Clear EEPROM p 51 Set Default Values p 51 Interface p 52 Serial communication p 52 Printer interface
73. tion is 3 5 Yo Enter 3 5 Yo for ratio deviation The flow rates oscillates by 0 8 Yo Enter a percentage which is slightly higher than 0 8 for hysteresis to avoid scattering of the swicht output Ideal Ratio A B _L 2 000 1 Enter the value via the NUM keys and press ENTER to save and proceed with the max percentual deviation Ratio Deviation _L A 03 5 1 B Enter the value via the NUM keys and press ENTER to save and proceed with the hysteresis Hysteresis i ee 1 0 Kuppers Elektromechanik GmbH page 47 MCM 200 User s Manual Analog In Limit A Analog In Limit B To control the analogue inputs for max and minimum Example For safety reasons the maximum pressure for pipe A is 14 5 bar The minimum pressure required to maintain operation is 12 8 bar An exceeding or bypassing shall be signalized acoustically Enter 14 5 bar for analog in max and 12 8 for analog in min The pump creates pressure variations of approx 1 of the nominal value Enter a value which is slightly higher than 1 for hysteresis to compensate the pressure variations If 1 5 is entered for hysteresis the switch output to drive an acoustic source will only be active when the limit are exceeded or bypassed by 1 5 This way you will avoid a scattering of the switch output when the pressure approaches the limits Analog In Max _L _000014 5 bar Enter the max limit via the NUM keys and press ENTER to save and proceed with th
74. uickprog K Factor No Yes Press A to select and ENTER to save and proceed Kuppers Elektromechanik GmbH page 33 MCM 200 User s Manual Setup RS232 RS485 Transmission Parameters The MCM 200 may optionally be equipped with a serial communication interface to read and or write parameters and operation values Two types of interface are available RS 232 or RS 485 use only one at a time Two parameters are required for a correct data transmission Start programming pressing the PROG key when SETUP RS232 485 appears Baudrate Select the speed of transmission using the A key 2400 4800 and 9600 Bd are available A Baudrate ee 9600 Baudrate 2400 WP w gt The remaining transmission parameters are as follows Dataformat 8 Bit Startbit 1 Stopbit 1 Parity none Confirm pressing ENTER and proceed with the next parameter Unit Offset Up to ten MCM 200 units may be operated together in an RS485 network Thanks to the tri state output of the send components several MCM 200 interfaces have access to one send channel However a module offset has to be specified for each MCM in order to avoid that two units will send data simultaneously Internal module numbers of the MCM 200 channel A module number 01 channel B gt modulenumber 02 Module offset number of channels ahead MCM 200 MCM 200 MCM 200 unit offset 00 uni
75. units may be operated in a network The programable module offet allows for numbering and contacting the individual MCM units cf programming of RS 485 MCM200 RS 485 Transmitter Receiver Slave RS 485 Transmitter Receiver Host RxD TxD Use only twisted pair cables Cable tips should be concluded with resistors accordingly Kuppers Elektromechanik GmbH page 16 MCM 200 User s Manual Centronics Printer Interface A 25 pin d sub socket allows for connection of centronics printers to print out parameters and measuring values Customary printer cables PC printer may be used The printer output potential is electrically isolated from all in and outputs of the MCM 200 MCM 200 Centronics Strobe 1 4 4 1 2 ie 2o sae Q oo T 00 4 cOalo Q O gjo fel 5 g o h L 05 Ell os ji Layo Q 05 D Sall oe Z o2 E 2 i Bi 5 gjf oo os J o 26 9 O ay o G Q ji o ji Oo 1 o LWA Oo OM oe a So 0 ae a E p C Comm 16 Maximum cable lenght centronics cable 1 5 metres Printouts Printouts may be triggered via the MCM keyboard and or an external contact Terminal E RS232 has two pins for this function which may be activated by a potential free contact or an open collector output control input MCM 200 external switching terminal E RS232 25 E Printouts via MCM keyboard To print out recorded

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