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11  Controller 

11.4 Configuration of higher order controllers

11.4.1 Structure

11.5 Parameter sets

Defining a parameter set

ADMINISTR.-LEVEL/PARAMETER LEVEL/CONTROLLER 1(2)/
PARAMETER SET 1(2)
see "Controller", page 108.

Configuring parameter set switchover

ADMINISTR.-LEVEL/PARAMETER LEVEL/BINARY INPUTS/
BINARY INPUT 1(2)/PARAMET. SWITCHOVER

see "Binary inputs", page 108.

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between them by means of a binary input.

Содержание dTRANS CR 02

Страница 1: ...JUMO dTRANS CR 02 Transmitter controller for conductivity TDS resistance temperature and standard signals Type 202552 Operating Manual 20255200T90Z002K000 V2 00 EN 00541516...

Страница 2: ...een adjusted so that the display text is no longer legible the basic setting can be restored as follows Switch off the voltage supply Switch on the voltage supply and immediately press and hold the an...

Страница 3: ...2 Optional board row 1 slot a b or c 16 5 3 3 Main board row 2 18 5 3 4 PSU board row 3 19 6 Operation 20 6 1 Controls 20 6 2 Display 21 6 2 1 Measuring mode normal display 21 6 3 Principle of operati...

Страница 4: ...ANUAL mode 38 6 9 HOLD mode 38 7 Commissioning 40 7 1 Getting started 40 7 2 Setting examples 41 7 2 1 Conductivity measurement temperature compensated 41 7 2 2 Measurement of ultra pure water with 2...

Страница 5: ...measurement operating mode pH compensated 71 9 6 1 Final value calibration 71 10 Calibration logbook 73 10 1 General information 73 11 Controller 74 11 1 General information 74 11 2 Controller functio...

Страница 6: ...Contents 13 Eliminating faults and malfunctions 84 14 Technical data 86 15 Retrofitting optional boards 90 16 Appendix 93 16 1 Glossary 93 16 2 Parameters of the User level 105 17 Index 116...

Страница 7: ...serts assemblygroups or assembly components Caution This symbol is used when there may be damage to equipment or data if the instructions are ignored or not followed correctly Read documentation This...

Страница 8: ...TDS and resistance Free chlorine chlorine dioxide ozone hydrogen peroxide and peracetic acid in combination with sensors as per data sheet 202630 Hydrostatic liquid levels with 2 wire transmitters lev...

Страница 9: ...ay visualizations large numbers bar graph or tendency trend display Four limit controllers Integrated calibration routines with 1 2 and 3 points Math and logic module optional Calibration logbook Thre...

Страница 10: ...in the F No serial number 1601 means year of manufacture 2016 calendar week 01 1 Basic type 202552 JUMO dTRANS CR 02 Transmitter controller 2 Basic type extension 01 In the panel enclosure 05 In the s...

Страница 11: ...lay 1 changeover 3 Relay 2 normally open 4 Analog output 5 2 PhotoMOS relays 6 Solid state relay 1 A 8 Voltage supply output DC 12 V e g for inductive proximity switch 10 RS485 interface 11 Datalogger...

Страница 12: ...mm 48 mm 00069680 Pipe mounting set 00398162 Weather protection roof complete for basic type extension 05 00401174 PC setup software 00560380 PC interface cable including USB TTL converter and two ad...

Страница 13: ...on for the instrument Avoid direct sunlight Permissible ambient temperature at the installation location 10 to 55 C with max 95 rel humidity no condensation Installation position The instrument can be...

Страница 14: ...Use twisted and shielded probe cables If possible do not lay these cables close to components or cables through which current is flowing Ground the shielding at one end The probe cables must have an...

Страница 15: ...state relay Triac Binary inputs 30 V AC 50 V DC Continuous outputs 30 V AC 50 V DC Input 2 option 3700 V AC Relay outputs Secondary input Pt100 Pt1000 Main input cond conductivity 30 V AC 50 V DC Ext...

Страница 16: ...ly 2 relays 1 2 3 4 1 2 3 4 5 6 7 8 6 7 8 9 10 9 10 11 12 4 L1 L 5 6 8 9 11 12 13 15 16 17 N L 11 12 13 14 15 a b c 1 3 2 Function Symbol Terminal for slot a Terminal for slot b Terminal for slot c An...

Страница 17: ...11 Modbus interface RS422 9 10 11 12 RS485 11 12 PROFIBUS DP interface 9 10 11 12 Datalogger interface RS485 10 11 Relay 1 changeover K3 1 2 3 K4 5 6 7 K5 9 10 11 Relay 2 NO common pin K3 1 2 K6 3 K5...

Страница 18: ...9 can be bridged on the instrument 2 wire cable routing up to the head of the conductivity sensor For concentric cells terminal 6 must be connected with the outer electrode 6 7 8 9 Conductivity sensor...

Страница 19: ...for JUMO dTRANS 02 Voltage supply AC 110 to 240 V Voltage supply AC DC 20 to 30 V 1 L1 L 2 N L n c 4 5 6 Voltage supply for external 2 wire transmitter DC 24 V 20 15 8 L 9 L Relay 1 Switching output...

Страница 20: ...up program see chapter 12 Setup program page 80 1 Measurement unit 2 Temperature 3 Operating mode 4 Measured value 5 key Increase numerical value Forward selection 6 key Decrease numerical value Forw...

Страница 21: ...monitoring alarm from controller channel 2 CALIB Calibration mode active CALIB flashing Calibration timer elapsed 6 Output mode MAN Manual mode and or simulation mode active HOLD Hold mode active 7 T...

Страница 22: ...ware information 30 Instrument information 31 User data 81 Calibration depending on the basic setting 47 53 Manual mode simulation 36 Hold mode 38 Main menu User level 31 Conductivity input 105 Temper...

Страница 23: ...coefficient curve Relative cell constant Zero point Limit point 2 point Calibration release 35 Main input depending on the basic setting Temperature coefficient linear Temperature coefficient curve Re...

Страница 24: ...icient linear Temperature coefficient curve Optional input 1 2 3 106 Temperature coefficient linear Temperature coefficient curve Relative cell constant Zero point Limit point 2 point Calibration logb...

Страница 25: ...f measured values STANDARD page 93 To return to Measuring mode press the key or wait for a timeout Measurements with out of range are ignored The min max value memory can be reset Administrator level...

Страница 26: ...or timeout adjustable EXIT or timeout adjustable EXIT or timeout adjustable EXIT or timeout adjustable Min Max V alues Option input EXIT or timeout adjustable Main variable Temperature input EXIT or...

Страница 27: ...h the and keys Editing Briefly press the key Edit the setting with the and keys 6 5 2 Min max values of the main input Activating the display The instrument is in Measuring mode normal display Briefly...

Страница 28: ...ormal display Briefly press the or key several times if necessary Minimum and maximum values of the optional inputs 1 2 and 3 are displayed 6 5 4 Output level Activating the display The instrument is...

Страница 29: ...channels Activating the display The instrument is in Measuring mode normal display Briefly press the or key several times if necessary The current values of the main output are displayed 6 5 8 States...

Страница 30: ...efly press the or key several times if necessary 6 5 10 Hardware info The instrument is in Measuring mode normal display Press and hold the and keys Alternating display Manual mode can only be display...

Страница 31: ...her information about the inputs press the or keys 6 6 User level All the parameters that the Administrator see chapter 6 7 Administrator level page 32 has released can be edited at this level All the...

Страница 32: ...6 7 1 Parameter level The settings that can be made here are the same as those at the User level see User level page 31 As the operator user has administrator rights here the parameters that are locke...

Страница 33: ...ensation source Temperature input manual temperature optional input 1 2 3 Table Input variable S cm mS cm kOhm cm MOhm cm Temp comp None Nat waters ASTM D1125 neutral ASTM D1125 acidic ASTM D1125 alka...

Страница 34: ...nual Unit MB 2 S cm mS cm k cm M cm W W Display format MB 2 XXXX XXX x XX xx X xxx TDS factor 0 01 2 00 0 67 Unit Cust specs ppm Display format XXXX XXX x XX xx X xxx Temp coefficient 0 0 8 0 K 2 20 T...

Страница 35: ...e a request for confirmation has been acknowledged see chapter 6 5 2 Min max values of the main input page 27 or see chapter 6 5 3 Min max values of the optional inputs page 28 6 7 7 Delete logbook Th...

Страница 36: ...via higher order controller functions Select Manual mode Set ADMINISTR LEVEL PARAMETER LEVEL CONTROLLER CTRL SPEC FUNCT MANUAL MODE Locked Coding or Switching Locked No Manual mode control is via dev...

Страница 37: ...Active No simulation No Manual mode control is via device Inactive Relay K1 or K2 is de energized the word MANUAL appears in the status line of the display Active Relay K1 or K2 is energized the word...

Страница 38: ...e status line of the display 6 9 HOLD mode In HOLD status the outputs take on the states programmed in the relevant parameter controller channel switching output or analog output This function can be...

Страница 39: ...rom the status line of the display If the and keys are pressed for less than 3 seconds the instrument goes into Manual mode Then the outputs of the instrument respond according to the default settings...

Страница 40: ...e the Display level with EXIT Leave the Parameter level with EXIT Select BASIC SETTING and work through all the menu items see chapter 6 7 3 Basic setting page 32 Answer YES to the Reinitialize device...

Страница 41: ...page 14 Task Measurement range 0 to 1 00 mS cm Cell constant K 1 0 1 cm Output signal 4 to 20 mA Temperature measurement Pt100 Limit monitoring Limit function Limit value 1 0 80 mS cm Measurement of...

Страница 42: ...3 Basic setting page 32 Diagrammatic overview see Basic setting wizard page 33 Cell type 2 wire Cell constant 1 0 Broken sensor detection Off Operating mode Conductivity Temperature compensation Linea...

Страница 43: ...ion page 14 Task Measurement range 0 to 2 00 S cm Cell constant K 0 01 1 cm Output signal 4 to 20 mA Temperature measurement Pt100 Limit monitoring Limit value function Limit value 1 USP USP limit mon...

Страница 44: ...e chapter 6 7 3 Basic setting page 32 Diagrammatic overview see chapter Basic setting wizard page 33 Cell type 2 wire Cell constant 0 01 Broken sensor detection Off Operating mode Conductivity Tempera...

Страница 45: ...ge 14 Task Measurement range 0 to 20 00 MOhm cm Cell constant K 0 01 1 cm Output signal 4 to 20 mA Temperature measurement Pt100 Limit monitoring Limit value function Limit value 1 10 00 MOhm cm Displ...

Страница 46: ...pter 6 7 3 Basic setting page 32 Diagrammatic overview see chapter Basic setting wizard page 33 Cell type 2 wire Cell constant 0 01 Broken sensor detection Off Operating mode Conductivity Temperature...

Страница 47: ...lematic due to unknown or insufficient quality of the comparison device In addition the reference junction is often not close enough to the actual measuring point If minor measurement errors exist des...

Страница 48: ...released Press the and keys simultaneously MAIN INPUT or ANALOG INPUT If Calibration level is released Press the key for longer than 3 seconds CALIBR LEVEL MAIN INPUT or ANALOG INPUT 8 2 4 Calibratio...

Страница 49: ...g 1 Enter the required working temperature and confirm your entry with the key Now the source of temperature acquisition can be selected manually or using the temperature input of the PSU board or the...

Страница 50: ...ture is displayed on the right If the temperature of the medium exceeded T2 73 0 C the instrument determines the temperature coefficient The LC display now shows the determined temperature coefficient...

Страница 51: ...e conductivity measurement flashes in the display Set the value to the actual conductivity Press the PGM key The relative cell constant determined by the instrument is displayed as a The currently mea...

Страница 52: ...o electrode systems Four electrode systems PGM EXIT If the exact cell constant is known for example a conductivity sensor with the ASTM test report the value can be entered directly Cell constant 1 cm...

Страница 53: ...lorine pH and temperature compensated Combination of chlorine sensor and pH sensor and temperature sensor The measured value for chlorine often depends to a great extent on the pH value of the solutio...

Страница 54: ...nsors only 9 1 3 Ways to start the calibration Select the input to which the sensor is connected If Calibration level is not released Press the key for longer than 3 seconds ADMINISTR LEVEL PASSWORD C...

Страница 55: ...alibration page 54 Select the zero point calibration with the key Wait until the display value has stabilized then press to continue Set the displayed value to the required value usually 0 with the an...

Страница 56: ...ned state e g when measuring liquid level empty the container Start the calibration see Ways to start the calibration page 54 Select the 2 point calibration with the key Wait until the display value h...

Страница 57: ...hen measuring liquid level container full Wait until the display value has stabilized then press to continue Set the displayed value to Maximum usually 100 with the and keys then press to continue The...

Страница 58: ...hen measuring chlorine the required concen tration Start the calibration see Ways to start the calibration page 54 Select the limit point calibration with the key Wait until the display value has stab...

Страница 59: ...take measurements 9 3 pH operating mode 9 3 1 Zero point 1 point calibration The transmitter is in Measuring mode Perform calibration as follows Zero point 1 point calibration Make preparations see c...

Страница 60: ...erature and confirm your entry with the key Wait until the display value has stabilized then press to continue Set the displayed value to the buffer solution value with the or keys then press to conti...

Страница 61: ...n Make preparations see chapter 8 2 General information page 47 Start calibration see chapter 8 2 3 Ways to start the calibration page 48 Select 2 point calibration PGM EXIT This example is based on a...

Страница 62: ...ue Set the displayed value to the value of the first buffer solution with the and keys then press to continue Rinse and dry the pH combination electrode Immerse the pH combination electrode in the sec...

Страница 63: ...splayed Use the key to accept the calibrated values or reject them with the key The instrument returns to Measuring mode 9 4 Conductivity operating mode 9 4 1 Calibration of the relative cell constant...

Страница 64: ...s stable press the key The measured conductivity value flashes on the display Use the or keys to set the value to the actual conductivity Press the key the relative cell constant determined by the ins...

Страница 65: ...ng mode Immerse the conductivity sensor in the sample medium Start the calibration see Ways to start the calibration page 54 Select LINEAR TEMP COEF The current sensor temperature flashes in the displ...

Страница 66: ...ds T1 25 C this is hidden on the display The uncompensated conductivity at the current tempe rature is displayed on the right If the temperature of the medium exceeded T2 73 0 C the instrument deter m...

Страница 67: ...he calibration see Ways to start the calibration page 54 Select TEMP COEFF CURVE and press the key Enter the required start temperature 1 for the temp coef curve This example is based on a conductivit...

Страница 68: ...ation process the instrument displays values for the following five temperature interpolation points The end temperature has been reached Use the key to accept the temperature coefficients or the key...

Страница 69: ...on of the relative cell constant The transmitter is in Measuring mode Immerse the conductivity sensor in a sample medium with a known con ductivity Start the calibration see Ways to start the calibrat...

Страница 70: ...ive cell constant determined by the instrument is displayed as a Use the key to accept the relative cell constant or the key to reject the values The transmitter is in Measuring mode and displays the...

Страница 71: ...is as relevant as pos sible to the final value e g when measuring chlorine the required concen tration Start the calibration see Ways to start the calibration page 54 Select the limit point calibratio...

Страница 72: ...2 The slope determined by the instrument is displayed Use the key to accept the value or the key to reject it The instrument returns to Measuring mode Calibration is complete After rinsing the sensor...

Страница 73: ...is in Measuring mode Press the key for longer than 3 seconds Select input Briefly press the key Most recent successful calibration Briefly press the key Next most recent successful calibration Briefly...

Страница 74: ...R TYPE e g PULSE LENGTHS Apart from faulty installation incorrect settings on the instrument may also affect the proper functioning of the subsequent process or lead to damage You should therefore alw...

Страница 75: ...rder controller d Digital output a Analog output Binary outputs Signal source Explanation No signal No switching function desired Limit control 1 to 4 Simple switching functions Alarm function AF1 Ala...

Страница 76: ...controlled The operator must configure which of the digital outputs will be controlled the main board or optional board 1 2 or 3 1 2 L H d a d a d a d a If higher order controller functions have been...

Страница 77: ...PARAMET SWITCHOVER see Binary inputs page 108 Controllers Controller 1 Controller 2 Parameter set 2 Parameter set 1 Parameter set 2 Parameter set 1 Controller 1 Output 1 Controller 1 Output 2 Control...

Страница 78: ...ring 1 At calibration Standard operation Error Inactive HOLD mode Frozen Turn on delay 0 seconds Turn off delay 0 seconds Wiper time 0 seconds Manual mode No simulation 11 6 2 Limit monitoring to USP...

Страница 79: ...bance1 No signal Multiplicative disturbance1 No signal Min max contact Max contact Inactive active contact Active contact HOLD mode 0 HOLD output 0 Error 0 Alarm control Off Parameter set 1 Min setpoi...

Страница 80: ...suring range Setting the behavior of outputs when the measuring range is exceeded Setting the functions of switching outputs K1 to K8 Setting the functions of the binary inputs Setting a customized ch...

Страница 81: ...81 12 Setup program 12 2 Documenting the instrument configuration Start the setup program Establish the connection to the instrument 1 Read the instrument configuration 2 2 1...

Страница 82: ...res for Datalogger Start the setup program Establish the connection to the instrument 1 Read the instrument configuration 2 Read data from datalogger for example table view Mark datalogger icon 3 Read...

Страница 83: ...83 12 Setup program Export data for processing in an external program...

Страница 84: ...ating measurement display Sensor faulty Replace the sensor Sensor positioning incorrect Choose another installation location Air bubbles Optimize assembly Measurement overrange Choose a suitable measu...

Страница 85: ...and unlock if necessary Do not release If appropriate release in the release level Test Inhibit via binary contact Check configuration and unlock if necessary Cancel in basic setting OK Check hardware...

Страница 86: ...1 to 30 k Entry via table with 20 value pairs 1 5 of range 0 2 10 K Standard signal 0 4 to 20 mA or 0 to 10 V 0 25 of range 0 2 10 K Resistance transmitter Minimum 100 Maximum 3 k 5 0 1 10 K Designati...

Страница 87: ...Yes Yes Yes No Yes No Resistance transmitter No No Yes Cell constant 1 cm Setting range of the relative cell constant Resulting usable range 1 cm 0 01 20 to 500 0 002 to 0 05 0 1 0 02 to 0 5 1 0 0 2...

Страница 88: ...y Optional board 0 to 10 V or 2 to 10 V Rload 500 0 5 Electrical current Output signals Load resistance Accuracy Optional board 0 to 20 mA or 4 to 20 mA Rload 500 0 5 Type LC graphic display blue with...

Страница 89: ...odbus Integer Baud rate 9600 19200 38400 Device address 0 to 255 Max number of nodes 32 PROFIBUS DP Device address 0 to 255 Mark of conformity Testing laboratory Certificates certification numbers Tes...

Страница 90: ...cialists ESD Optional boards can be damaged be electrostatic discharge You must therefore prevent electrostatic charges from accumulating during installation and removal Optional boards should be retr...

Страница 91: ...st only be inserted in optional slot 3 10 00442782 Datalogger with interface RS422 485 and real time clock This board must only be inserted in optional slot 3 11 00566678 PROFIBUS DP interface This ci...

Страница 92: ...he plug in module 15 3 Inserting a plug in module n 1 Push the optional board into the slot until it locks in place 2 Push the device plug in into the enclosure until it locks in place Caution No 3 re...

Страница 93: ...The operator can quickly see the direction in which the measurement is changing 1 2 3 Operating mode Display bottom temperature input Display top analog input measurement value 3 1 2 Rising Steady Fa...

Страница 94: ...ct SCALE END with Use or to enter the upper limit of the range to be displayed Confirm the selection with Display of measured values TREND CHART Values of the main inputs input options or math channel...

Страница 95: ...can be displayed simultaneously The position of the value to be displayed can be set to Top Center or Bottom Relative cell constant Mechanical or chemical effects can change the electrical properties...

Страница 96: ...ibration for most sensors Temperature compensation conductivity or resistance The conductivity of a measurement solution is temperature dependent the conductivity of a solution rises as the temperatur...

Страница 97: ...ure is as follows 0 C T 36 C Conductivity of the water is compensated in the range from 0 C to 36 C ASTM1125 95 This type of temperature compensation is used in measurements of ultra pure water The hi...

Страница 98: ...and P control structure If actual value x exceeds setpoint W the P controller will control in proportion AF1 AF2 AF7 AF8 HySt x 0 w AF 1 HySt 0 w AF x 1 HySt x w 0 1 HySt w x 0 1 Process value X Setpo...

Страница 99: ...an be freely configured Switch off of the I component This function is normally deactivated factory setting or select No In the deactivated state the controller works in accordance with general contro...

Страница 100: ...uctivity of the water is greater than what is specified in the USP table for a given temperature the USP contact switches the instrument Limit values are defined in levels For example a value of 5 C i...

Страница 101: ...value is also used in evaluating drinking water quality for example in the USA Arab and Asian countries Various organizations have published limit values on this topic WHO World Health Organization 1...

Страница 102: ...n is used to display and linearize non linear input variables Values can only be entered in the table using the optional setup program Cust specs characteristic In this mode the instrument can model a...

Страница 103: ...anges available for example in rinsing and regeneration processes Normally in these processes a low conductivity must be recorded In the case of rinsing regeneration however the conductivity is signif...

Страница 104: ...he conductivity that is displayed is lower than the actual conductivity When the Deposit detection function is activated cell maintenance is required Autorange is only configurable for units mS cm and...

Страница 105: ...00 0 to 500 0 Offset and offset MB 2 20 00 to 0 00 to 20 00 of the display range Temperature compensation and temperature compensation MB 2 None Linear Natural waters ASTM 1125 neutral ASTM 1125 acidi...

Страница 106: ...e constant 0 0 to 2 0 to 25 0 seconds Manual temperature 99 9 to 25 0 to 99 9 C Offset 99 9 to 0 0 to 99 9 C Optional inputs Analog inputs 1 to 3 Operating mode Off Linear Temperature pH measurement C...

Страница 107: ...sation None Linear TC graph Natural waters ASTM D1125 neutral ASTM D1125 acidic ASTM D1125 alkaline NaOH 0 to 12 NaOH 25 to 50 HNO3 0 to 25 HNO3 36 to 82 H2SO4 0 to 28 H2SO4 36 to 85 H2SO4 92 to 99 HC...

Страница 108: ...to 9999 Proportional range 0 to 9999 Reset time 0 00 to 9999 s Derivative time 0 00 to 9999 s Period time 2 00 to 60 0 to 999 9 s Hysteresis 0 200 to 9999 On delay 0 00 to 999 5 s Delayed release 0 00...

Страница 109: ...d Option input 3 Option input 3 not compensated Math 1 Math 2 Additive disturbance No signal Main value Not comp Main value Temperature Option input 1 Option input 1 not compensated Option input 2 Opt...

Страница 110: ...ding Switching Limit value control Limit values 1 to 4 Signal source No signal Main value Not comp Main value Temperature Option input 1 Option input 1 not compensated Option input 2 Option input 2 no...

Страница 111: ...1 output 2 Controller 2 output 1 Controller 2 output 2 Controller alarm 1 Controller alarm 2 Controller alarm Sensor warnings Sensor error Warnings and errors Calibration timer Wash timer Logic 1 Logi...

Страница 112: ...1 Setpoint 2 controller 1 Setpoint 1 controller 2 Setpoint 2 controller 2 Signal type 0 to 20 mA 4 to 20 mA 20 to 0 mA 20 to 4 mA 0 to 10 V 10 to 0 V Scaling start 0 to 9999 Scaling end 0 to 9999 At c...

Страница 113: ...mperature standard for channel 2 Option input 1 Option input 1 not compensated Option input 2 Option input 2 not compensated Option input 3 Option input 3 not compensated Math 1 Math 2 Differential si...

Страница 114: ...put 1 not compensated Option input 2 Option input 2 not compensated Option input 3 Option input 3 not compensated Math 1 Math 2 Differential signal Flow rate Partial quantity Total quantity Output con...

Страница 115: ...ot compensated Option input 3 Option input 3 not compensated Math 1 Math 2 Differential signal Flow rate Partial quantity Total quantity Temperature unit C F LCD inverse Off On Contrast 0 to 10 to 20...

Страница 116: ...4 Customer settings 105 D Datalogger Special features 82 Date of manufacture 10 Delete 35 Display 21 E Electrical isolation 15 F Factory settings 105 G Getting started 40 H Highly purified water 47 HO...

Страница 117: ...f binary outputs 37 States 29 Sunlight 13 T TDS measurement 101 Temperature compensation 96 97 U Ultra pure water 100 User 31 User data 27 USP 100 W Warning signs 7 Wash timer 99 Washing contact 99 Z...

Страница 118: ...17 Index 118...

Страница 119: ......

Страница 120: ...ddress 36035 Fulda Germany Phone 49 661 6003 0 Fax 49 661 6003 607 Email mail jumo net Internet www jumo net JUMO House Temple Bank Riverway Harlow Essex CM 20 2DY UK Phone 44 1279 63 55 33 Fax 44 127...

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