Tilt Transducer - Type TT420 User Manual
Contents
1. Note The complete assembly is encapsulated 9 Certification Ex ia Ma Category M1 Ex ia IIB T4 Ga Ex ia IIIC T135 C Da CML 13ATEX2011 IECEx CML 14 pending See certificates for further information TT420 Tilt Transducer 8 8 March 2014 Issue 1 02. socket arrangement on the end of the unit This allows easy replacement for example if the unit is due for re calibration 2 1 4 20mA Signal Outputs he two 4 20mA analogue output signals provide the user with signals corresponding to the pitch and roll of the unit The first output is HART capable future software upgrade required this will allow all the information presented on the RS485 port to be also available to a suitably connected HART interface The factory default range supplied is 90 this corresponds to the 4 20mA levels as shown below 4mA 90 12mA 0 20mA 90 TT420 Tilt Transducer 3 8 March 2014 Issue 1 0 The transducer will drive full scale 20mA into a load resistance of approx 330R maximum Typically the load would be 100R or 250R in many applications If the transducer detects that it is unable to drive the correct current into the load for example the loop resistance is greater than 330R or the 12V supply voltage is too low then it reacts by alternating the 4 20mA output between OmA and the intended level at 1second intervals This is to alert the monitoring equipment that the level it is reading is not correct and avoids undetected inaccuracies Once the loop resistance supply voltage returns to within range then the signal returns to the normal correct steady value 2 2 RS485 Communications Port The RS485 port provides an alternative or in addition to the 4 20mA signals Mor
3. A Setting DAC2 4mA Setting DAC2 12mA Setting DAC2 20mA Setting mA 1 Pitch 2 Roll 3 Temp 4 485 D1 5 485 D2 40200 Unlock Code 1 A55A 30050 Raw Pitch F B f 40201 Unlock Code 2 30052 Raw Roll L R f 40202 Unlock Code 3 40203 Pitch Cal Number of Samples 40204 Pitch Cal S1 Actual 40205 Pitch Cal S1 Expected 40300 Unlock Code 1 A55A 40301 Unlock Code 2 5AA5 40302 Unlock Code 3 BBBB 40303 Roll Cal Number of Samples 40304 Rol Cal S1 Actual 40305 Roll Cal S1 Expected TT420 Tilt Transducer 4 8 March 2014 Issue 1 0 3 Connections Fischer 9 Pin Connector Part number S105A101 130 cable clamp E31 105 2 9 2 B Function Colour Pair e ma m BEE ue Violet SEI 12V SUPPLY I P Lr e umm Grey RS485 B n 5 3 aid Note The cable core colours are shown for reference if using a CSL supplied cable assembly utilising Lutze 117320 cable TT420 Tilt Transducer 5 8 March 2014 Issue 1 0 4 Installation e The connections to the units 9 Pin Fischer connector as shown above should be made using good quality cable having gt 0 5mm insulation thickness between cores Alternatively a ready made cable assembly can be purchased shown on the front page picture e he operating parameters must not exceed those detailed on the certificate e This apparatus must only be installed or replaced by a competent person who must ensure that existing l S seg
4. Tilt Transducer Type TT420 User Manual Issue 1 0 Ryder Close Swadlincote Derbyshire DE11 9EU England Controlled Systems Limited d TEL 44 0 1283 216231 FAX 44 0 1283 552937 I sales controlledsystemsltd co uk E TT420 Tilt Transducer 1 8 March 2014 Issue 1 0 Table of Contents FURS EE 3 2 Reide die RE 3 2 1 4 20MA Signal Outputs ccc cccceccc seca eeeeeeee cece eeseeseeeseeseeeseeeaeeeaes 3 2 2 R9485 Communications ONL am Er A 4 3 Beieleit Lei EE 5 4 MS E Le aaa A TOT 6 5 VWleie E laile HR e UE 7 6 EM VION MIVA NEE 7 7 Genio dan S RETE RENE m E 8 8 Wllag e Te 8 9 EENEG 8 TT420 Tilt Transducer 2 8 March 2014 Issue 1 0 1 Features e Rugged stainless steel housing suitable for machine mounting in harsh environments e g mining e Solid state no moving parts for high reliability e 90deg range e 4 20mA signal outputs 16 bit DAC with HART future option e RS485 communications Modbus RTU e Operating Temperature 40 C to 70 C e Hardware Low Pass Filter LPF on sensor signals e 16 bit ADC with 64x oversampling and software digital filtering algorithms e Intrinsically Safe ia Group Mining M1 and Group IIB ATEX and IECEx Certified 2 Description The unit is constructed from high quality stainless steel and is fully encapsulated providing a rugged solution for all angular and tilt measurements The connections are made by a multi pin plug and
5. e information is available using this method e g scaled angular readings and diagnostic status bits Some of the information is only used during factory calibration so will not all be useful to the end user Note The user should not attempt to write to any registers these are for factory calibration only They are locked to prevent unintentional writes The Modbus register mapping is shown below TT420 MODBUS Communications map REV 2 40113 DAC 2 Sensor Source 30042 Comms Thread Heartbeat bit 0 Config Valid 40001 DAC 1 Output if enabled biti Pitch Config Valid 40002 DAC 2 Output if enabled bit2 Rol Config Valid bit3 Pitch invalid 40050 Unlock Code 1 bit4 Roll invalid 40057 Unlock Code 2 bit5 DAC 1 aul 40052 Unlock Code 3 bit6 DAC 2 Fault 40053 TT420 Mode bit 7 DACs Not Calibrated 30015 Anlg 1 Engineering Reading g f bit 8 40100 Unlock Code 1 A55A bit 10 40102 Unlock Code 3 btii 40103 Serial Number Year LU biti2 40104 Serial Number m M biti3 40105 Hardware Version C O bit 14 40106 Modbus Address bitis DAC Calibation mode 40107 Modbus Baudrate 40108 Pitch Range Min DEER f Modbus Float 40109 Pitch Range Max oU 30033 Pitch F B x 100 40110 Roll Range Min 40112 DAC 1 Sensor Source CH e 40114 40115 40116 40117 40118 40119 DAC1 4mA Setting DAC1 12mA Setting DAC1 20m
6. regation is maintained e The operators should be trained in the safe use of the equipment such that operational hazards arising from misuse are avoided The unit should be mounted observing the following orientation TT420 Tilt Transducer 6 8 March 2014 Issue 1 0 5 Mechanical Details All values are approximate M6 FIXINGS 4off 36mm SEN ech i i Ve A VS A i j V e K E T 112mm 6 Environmental Operating Temperature 40 C 70 C Storage Temperature O0 C 40 C Humidity 0 95 RH non condensing Ingress Protection IP66 TT420 Tilt Transducer 7 8 March 2014 Issue 1 0 7 Conformity The TT420 Tilt Transducer is designed and manufactured to be compliant with the following Standards and Directives e EN 60079 0 2012 IEC 60079 0 2011 Ed 6 Electrical apparatus For explosive gas atmospheres General requirements e EN 60079 11 2012 IEC 60079 11 2011 Ed 6 Explosive atmospheres Intrinsic safety i EN 60079 26 2006 Explosive atmospheres Equipment protection level EPL Ga e 89 336 EEC EMC Directive e 73 23 EEC Low Voltage Directive 8 Maintenance No routine maintenance is required Any damage that may affect the safe operation of the unit e g damaged enclosure connector or cable should be corrected by replacing the unit or cable there are no user serviceable parts inside and to maintain dust seals the units should not be disassembled by the end user
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