TC FLUID CONTROL KMS-2 Installation And Operating Manual Download Page 11

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KMS-2/Exia/Exd Transmitter

Installation and Operating Manual

Page 9 of 16 KMS-2:Exia/Exd IOM

Rev H 18/05/10

ATEX

normal operation either depress the opposite button or cycle the power.

Coatings and painting.

The maximum non-conductive coating thickness allowed for the transmitter housing is limited to 200
microns. All coated Exd units must be earthed accordingly, an external earth post is provided.

Summary of Contents for KMS-2

Page 1: ...KMS 2 Magnetostrictive Level Transmitter Please retain for future use Revision H File Exd kms 2 iom revH doc Installation and operating manual ...

Page 2: ... Installation 3 Magnetic Level Gauge Application 4 Immersion Application 5 Electrical Connections 6 Connection Cable Selection 6 Adjustment and Configuration 7 Painting and coatings 9 Certification 10 Special Conditions for Safe Use 10 Fault Analysis Sheet 12 Maintenance 12 Technical Data 13 ...

Page 3: ...lation Information on proper electrical installation Safety information Read these instructions before installation and putting into operation Installation commissioning and maintenance should only be carried out by suitably qualified personnel in conjunction with these instructions Comply with the relevant safety regulations when using the equipment The transmitter must not be modified as this wi...

Page 4: ...ment the resulting magnetic field reacts with the field from the magnetic float to produce a return signal The time taken for the return signal to be detected enables a level measurement to be made since the precise velocity of the return signal along the sensing element is known Output Signals Analogue Output The process variable and error status are transmitted over the current loop with values ...

Page 5: ...et For Exd applications the probe assembly is inserted into a vented sleeve configuration Caution When using an adjustable sealing gland ensure that the maximum ambient temperature for the electronic housing is not exceeded See technical data section Dependent on the length of the sensor tube an anchor point may be required at the bottom of the tank Where the transmitter is supplied with an adjust...

Page 6: ...nd Operating Manual Page 4 of 16 KMS 2 Exia Exd IOM Rev H 18 05 10 ATEX Fig 1 KLINGER RED WAFERS IN BOX INDICATE DAMAGED FLOAT BOTTOM SIDE MOUNT SECTION SHOWING TYPICAL TRANSMITTER MOUNTING ARRANGEMENT TOP MOUNTED HEADSHELL UNIT TOP SIDE MOUNT ...

Page 7: ...0 areas refer to the section covering Special Conditions For Safe Use under Certification Fig 2 Immersion Application Ensure that the PFA PTFE washer is correctly fitted to prevent the risk of sparking if the float was to hit the stop Ensure that the electronic assembly is maintained within the certified ambient temperature range consult sales office to determine correct offset ...

Page 8: ... provided Hazardous area Installation The installation of this unit must be in compliance with the applicable national requirements i e EN60079 14 Intrinsically Safe Circuits The connection cable shall be identified to prevent confusion with non intrinsically safe circuits where a colour code is used it should be light blue The total inductance and capacitance of the cable shall not exceed the val...

Page 9: ...justment The measuring range of the unit is set at the factory If the default range is unsuitable or adjustment is required the following procedure should be followed With reference to Fig 5 1 Set the float to the minimum level 2 Press the Span and Zero buttons until both LED s flash alternatively output 12mA 3 Release buttons 4 Press the Zero button until the Zero LED stays on 5 Wait until the Ze...

Page 10: ... Caution The float failure and write protect switches should be set to the OFF position before adjustment to the ranging are made and reinstated as necessary afterwards It is important that the float is kept stationary for approximately 10 seconds before and after operation of the calibration buttons to ensure that the output signal has stabilised to the correct value Low level alarm The Low Level...

Page 11: ...H 18 05 10 ATEX normal operation either depress the opposite button or cycle the power Coatings and painting The maximum non conductive coating thickness allowed for the transmitter housing is limited to 200 microns All coated Exd units must be earthed accordingly an external earth post is provided ...

Page 12: ...re Not Tested 61000 4 11 Voltage Dip interruptions Not applicable Not Tested CERTIFICATION Certificate No s Baseefa 09 ATEX 0085X IECEx BAS09 0027X Explosion protection Type Ex d Gas Group IIC ATEX Approval Type II 2G Notified Body No CE 1180 Special Conditions for Safe Use The integral probes may be used with process vessels at elevated temperatures up to 250o C however the connection transmitter...

Page 13: ...r and transmitter Unit incorrectly calibrated Carry out calibration procedure Continual reading of 22mA Alarm Float Under magnetised Check with spare float if available Float stuck or damaged Check against visual display if fitted Check float condition Output static at a particular level External magnetic interference Check for external magnetic devices in vicinity XXXX marks not inline with vesse...

Page 14: ...5mm 2 5mm Supply voltage Nominal 24VDC Minimum 12V Maximum 28V Current Output Measured Current range 4 20mA 0 1 Alarm Current 3 8mA 22mA Upscale 22mA Fault Downscale 3 8mA Low level Fixed Output 4 or 20mA 0 1 For loop calibration Operating Temperatures See certification section for details when used in a potentially explosive atmosphere Ambient range 50 C 60 C 5 C 60 C When LCD Fitted Process rang...

Page 15: ...mitter Installation and Operating Manual Page 13 of 16 KMS 2 Exia Exd IOM Rev H 18 05 10 ATEX Where ambient conditions are outside this range additional insulation or shielding will be required please consult sales office ...

Page 16: ...TC FLUID CONTROL LTD UNIT 4 THE INTERCHANGE WESTED ROAD SWANLEY KENT BR8 8TE UK TEL 44 0 1322 622400 FAX 44 0 1322 660621 E mail instruments tc fluidcontrol com ...

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