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8500938C TT337-0700 User`s Manual

1. Acromag Inc Tel 248 295 0880 INPUT SIDE FRONT OUTPUT SIDE O MODEL TT337 0700 Q oe 2 DIN RAIL SPRING CLIP http www acromag com Model TT337 0700 Four Wire DC Voltage Transmitter w USB Output Connections DC Current or Voltage This transmitter is an ANSI ISA Type 4 in which the unit s power is separate from the input and output circuits e Output connections are polarized Current is output from Output and returned to Output Voltage output is positive at Output e Variations in load resistance have negligible effect on output accuracy as long as load limits are respected with respect to output type see below MODEL TT33X 0700 OUTPUT WIRING OUTPUT WIRED FOR DC CURRENT OR VOLTAGE TOP VIEW INPUT SIDE OUTPUT SIDE OUTPUT amp POWER SIDE ELI 6 D CURRENT OUTPUT LOAD DRIVES 20mA INTO 525 OHMS MAX TB3 0 20mA 4 20mA 20mA TB1 i gt V 7 OUTPUT lout TERMINALS CURRENT LOAD UPPER LEVEL Rioap lt 525 OHMS TB2 TB MAX RES 525 ohms Lo L 4 MAX CAP 100uF 9 12 3 EARTH f MAX IND 15mH DC POWER GROUND GROUND E ANY MODEL TT33X 0700 HERE OR HERE TERMINALS SEE PWR WIRING TB4 POWER EARTH GROUND ONE END NOT BOTH ut VOLTAGE OUTPUT LOAD DRIVES TO 10V INTO 1K OHMS MIN 10mA 0 10V 0 5V
2. 23 Service amp Repair Assistance eese enero eroe e Deae ete oko eoe Fe sevo ee oe se desta oe Seo rae y y oe ee ve eere ees 24 Acromag Inc Tel 248 295 0880 3 http www acromag com Model TT337 0700 Four Wire DC Voltage Transmitter w USB Software Interface Package edito be iit ebva it eek gu HEAR Ie or vkr adi Pe ROLES eva RA Cu bRA E EE EDWE REG 25 USB ISOLA OF e M 25 USB ASB Cable gr 25 USB A mini B Cable c E 25 Model NUM beT i raciccesteceaiiser eut dein pr toD doa iinet EE E E EE ES 26 ejr ener ETT DID D DU 26 legi seem M r M 28 USB INGA CG me E M 29 ul H 30 Enclostire amp Lip M ESE DEES ssa 30 Environmental oeira tases Tene 60 FI CU qu iR Inda ea a aea a co du D Cep RE Des eee iiU eds 30 Agency ADDIOVANS c 31 Reliability Preci ction PED 31 Configuration ContEols 5 oie iSeniscedsevtdeusdineavensoussianlamucckccutipasnavadsetiansbausivessnesteutinissis 31 REVISION HIST ORY 5iiiettas cin dnte EcXk ic paa E sls Cro ed Coo CIEN RES Cat ES inania OZ 1 All trademarks are the property of their respective owners IMPORTANT SAFETY CONSIDERATIONS You must consider the possible negative effects of power wiring component sensor or software failure in the design of any type of c
3. Acromag THE LEADER IN INDUSTRIAL I O USB Programmable DIN Rail Mount Thin Transmitter Model TT337 0700 4 Wire Transmitter DC Voltage Input Universal Current amp Voltage Output USER S MANUAL ACROMAG INCORPORATED Tel 248 295 0880 30765 South Wixom Road Fax 248 624 9234 Wixom MI 48393 7037 U S A email sales acromag com Copyright 2013 Acromag Inc Printed in the USA Data and specifications are subject to change without notice 8500 938C Model TT337 0700 Four Wire DC Voltage Transmitter w USB Table of Contents GETTING STARTED DESCRIPTION iscconui SEPAN D SEED DE IE UE raana aaae NU HIS EDU VMEVERIS EMEN NM EE M MEE 5 MORI a A eee T 5 ApplicatiOn M TA 5 Mechanical eI DNE 6 DIN Rail Mounting amp RemowVval riori iun bE epu rore an Ek VPEV ARE cH dE dag FERPU GRR e cu ERE AK EEVUED OR EV REA R RE 6 ELECTRICAL CONNECTIONS as tahaE Rua nna 2n S EFbIEEE K0EER aEFAN ECL ELLE ME KR ER EE KU REC 2 7 Sensor Input Connections 8 ieri aeniieiIceeR 9 uires 10 Optional Bus Power Connections ii ens apa ecu rar be nuo ba pk E ratae ol FEBRE yyOF s EP PE REaE ERE sva PUN ERA REP ERF ARR Re 11 Earth Ground Connections ioco hip Eb REE PAR UE BERE DO RPAE FOR ERE RUM Eze MF D eves auuenseaererscmunuenbas 12 USB Connect
4. I O Config Test page Additionally make sure you write your selection to the unit by clicking the Send I O Config button After setting your input range click the Input Cal Instructions button to begin input calibration and enable the Input Zero and Full Scale buttons Click the Input Zero button and you will be prompted to input the minimum value of your selected input range at the appropriate input channel If you are wired to TB1 this will be 1V or OV for 1V and 0 1V input ranges If you are wired to TB2 this will be 10V 5V or OV for the 10V 5V 0 5V and 0 10V input ranges Note that the software does not use your scaled range zero but the nominal zero of the input type range you selected Once you input the zero precisely follow the on screen prompt and click the OK button to calibrate zero Click the Input Full Scale button and you will be prompted to input the maximum value of your selected input range at the appropriate input channel Depending on input type range this will be 1V 5V or 10V The software does not use your scaled full scale but the nominal full scale of the input type range Once you input full scale precisely follow the on screen prompts and click the OK button to calibrate full scale 20 http www acromag com Model TT337 0700 Calibration 11337 Configuration Software Communication Setup I O Config Test Calibration CALIBRATION Input Input Cal Ins
5. Stop Poling to discontinue poling the input HELP You can press F1 for Help on a selected or highlighted field or control You can also click the button in the upper right hand corner of the screen and click to point to a field or control to get a Help message pertaining to the item you pointed to Acromag Inc Tel 248 295 0880 Four Wire DC Voltage Transmitter w USB Select the Input Filtering You may select the level of digital filtering to apply to the input channel as Low Medium High or None No digital filtering The respective I O response times are indicated in parenthesis next to your filter selection Note that higher filter levels result in lower average noise but with slower I O response times Select the Output Range The output terminals of this unit are universal and may drive DC current or voltage in the ranges 20mA 0 20mA 4 20mA 10V 5V 0 10V and 0 5V Voltage outputs may drive 1KQ or higher loads while current outputs may drive 5250 or less Select the Input Output Scaling You may rescale selected input ranges to use only a portion of the input range to drive the output if desired Be careful not to reduce the input range too much as resolution will be proportionally diminished and noise error magnified In the corresponding I O Scaling field set the input signal minimum zero value to correspond to the output range zero value i e 20mA OMA 4mA 5V 10V or OV depe
6. 10V 5V Vout SHIELDED CABLE VOLTAGE LOAD ETOC Rioap gt 1K OHMS P MIN RES 1000 ohms ID t i Le MAX CAP 100uF EARTH 7 EARTH GROUND HERE OR Siege O d EARTH GROUND ONE END NOT BOTH IT IS BEST TO APPLY EARTH GROUND CLOSEST TO THE MODULE BUT NEVER AT BOTH ENDS OF A CONNECTION DIN RAIL SPRING CLIP Observe proper polarity Note that twisted pair wiring is often used to connect the longest distance between the field transmitter s output and the remote load as shown above Additionally shielded twisted pair wiring is recommended for best results An output connection to earth ground will help protect the circuit from damage in noisy environments WARNING For compliance to applicable safety and performance standards the use of twisted pair output wiring is recommended Failure to adhere to sound wiring and grounding practices as instructed may compromise safety performance and possibly damage the unit Acromag Inc Tel 248 295 0880 9 http www acromag com Model TT337 0700 Four Wire DC Voltage Transmitter w USB Output Connections DC Current or Voltage TIP Ripple amp Noise Additional filtering placed at the output load can help reduce 60Hz 120Hz ripple often present in
7. 5V 21dB 37dB 80dB 80dB Input Resolution The A D of this model divides the input signal range into a number of parts that can be calculated by subtraction using the expression for A D counts as Vin Gain 1 25 32768432768 with Gain 1 for all input ranges Vin is the DC input voltage of this model after the resistive divider TB2 divider is 86 6K 1084 6K no divider at TB1 The resultant A D count is then normalized using a bipolar conversion scheme of 25000 corresponding to 100 of input range That is 10096 096 and 100 are represented by decimal values 25000 0 and 25000 respectively The effective input resolution for a given range will be the lowest resolution of either the A D conversion or its normalized value An indication of nominal input resolution is expressed as the number of parts between the input range low and high endpoints shown in Table 1 the shaded value is the effective resolution of the input for its nominal range and is the lowest of the A D resolution or its normalized value Table 1 Input Resolution Per Nominal Input Type Range In Type Range A D Input Resolution Normalized Input Resolution 1V to 1V DC 1 part in 52428 1 part in 50000 O to 1 DC 1 part in 26214 1 part in 25000 10V to 10V DC 1 part in 41862 1 part in 50000 5V to 5V DC 1 part in 20930 1 part in 50000 0 10V DC 1 part in 20931 1 part in 25000 0 to 5V DC 1 part in 10465 1 part in 25000 1 These ranges apply to signals
8. Four Wire DC Voltage Transmitter w USB SPECIFICATIONS zn iiaceeedeceehtuis acceso tee treua na deoc dace sita n scc c0i ic nocens 26 Model N mbBl ioc oneo a odv ie bi tenir lana bids reple ie au umiex E Deren ade cH Ne DEN EE 26 je me 26 ien sep M M H 28 USB Interface M NETTE TT n 29 ue 30 Enclos re amp Muri Mee S 30 Environmental aite cies TE CE SUE EXER DA A ERAT QU RIA OK REEMAEO RED LAGU ATL bUE CONT UNE CAP EE CE CN RR eee 30 Agency ADDIOVANS ee 31 Reliability Prediction oc cocer chere Deo eR eb oER db Urt ocv e AVE TEE LAE DON DIE Dur Ou Re cu tU ER 31 Configuration Controls iii iiec icsc eor udi eee cmd so ss eral eeu d cred apu reg Fa Coria e e ari ieie Fi eR ERR EUEM RR E 31 DESCRIPTION i asisskekkkdcondbskIs kA NE FORD SCR S ERLOLc aaora EO LCS u ER RU NECORRA EC DN R RC ERI UXEERE 5 Key FeatUrgs rcr rers tn aeta Posee e veas eee adea a ee eee Leer o aye Fuse vens eiu EEEko eyes av ves y bari ee Ven viu Peu Pun 5 PPD CATON pee sk K S 5 Mechanical eT hu iJDI Lem 6 DIN Rail Mounting amp Remioval uicioet iri eene r y eER ei tsaia ee ase P Eabb si Reve Een bbs EXE P ad euo ra inae anes 6 ELECTRICAL CONNECTIONS reuersi o ooo nura o auno nanus anao ouuus 7 AET tagadaccdedben na e R
9. and the input sensor Check the input signal with respect to its range and reduce or increase it as required to drive the output within its linear operating range A fully upscale or down scale signal can be driven by a sensor fault such as an open or broken sensor lead Also check the wiring of your input sensor If you are not isolating USB check for a ground loop between a grounded sensor and earth ground of the PC USB port Cannot Calibrate Input Channel Is input wired properly Cannot Measure Input Voltage Have you wired the input to the correct terminals for the range selection Output Noise Error Seems Excessive Scaled input range is too small Service amp Repair Assistance Check that input is wired to input terminals using correct polarity DC Voltage up to 1V is input to TB1 upper block while DC voltage above 1V and up to 10V is input to TB2 lower block Scaling the input to very small spans diminishes input resolution and signal to noise ratio potentially magnifying error Increase the scaled input span This unit contains solid state components and requires no maintenance except for periodic cleaning and transmitter calibration and verification zero and full scale Its enclosure is not meant to be opened for access and can be damaged easily if snapped apart It is highly recommended that a non functioning transmitter be returned to Acromag for repair or replacement Acromag
10. can increase potential error as input resolution and the signal to noise ratio are diminished for very small input spans Output Load Voltage output can drive loads down to 1KO minimum Current output can drive 20mA DC into 0 5250 Output Ripple Less than 0 1 of output span Note High Speed Acquisition Additional filtering at the load is recommended for sensitive applications with high speed acquisition rates High frequency noise is often reduced or eliminated by placing a O 1uF capacitor directly across the load For excessive 60Hz supply ripple with current output a 1uF or larger bulk capacitor is recommended at the load Output Ambient Temperature Drift Includes the combined effects of zero and span drift over temperature and is better than 80ppm C 0 0080 C over the ambient temperature range for reference test conditions see Input Specifications Output Resolution Output is driven by a 16 bit Voltage DAC Maxim MAX5216GUA with a 2 5V reference and driving a universal current voltage output driver Output resolution per output range is indicated below The effective I O resolution of the unit will be the lowest resolution of the input A D and the output D A relative to the programmed I O ranges The result is normalized to a 16 bit integer in the range of 25000 corresponding to 100 OUTPUT RANGE Output Resolution 1Isb of Span 10V to 10V 1 part in 62415 320 439uV 0 00160296 5V to 5V a sub range of 10V 1
11. configuring the unit or to optionally test its operation The I O Config Test screen is the second screen shown at bottom left When you click the I O Config Test tab the software retrieves the unit s current configuration and displays it similar to the second screen shown at left IMPORTANT This model has two inputs for voltage at different levels The first input is for DC voltages up to 1V and its input is at TB1 the upper terminal block The second input is for DC voltages up to 10V and its input is at TB2 the lower terminal block Only one input may drive the output at one time Your selected input range will determine which terminal block you wire your input to If you are connected to a module the initial I O Config screen represents the current configuration of the connected module before making changes Otherwise if you have loaded the configuration from a saved file or if you have made changes to any fields you can click the Get I O Config button at the top of the screen to retrieve the connected module s current configuration Note that if you make any changes to the selections indicated the only way to preserve your changes is to write them to the device by clicking the Send I O Config button after completing your selections or to save them to a file by clicking File in the upper left hand corner of the screen Select the Input Type Range Input Type refers to the particular input range If you are
12. has automated test equipment that thoroughly checks and calibrates the performance of each transmitter and can restore firmware Please refer to Acromag s Service Policy and Warranty Bulletins or contact Acromag for complete details on how to obtain repair or replacement Acromag Inc Tel 248 295 0880 24 http www acromag com Model TT337 0700 ACCESSORIES Four Wire DC Voltage Transmitter w USB Software Interface Package ACT romeo USB Isolator USB A B Cable OQ USB A mini B Cable Software Interface Package Configuration Kit Order TTC SIP e USB Signal Isolator e USB A B Cable 4001 112 e USB A mini B Cable 4001 113 e Configuration Software CDROM 5040 944 This kit contains all the essential elements for configuring TT family Transmitters Isolation is recommended for USB port connections to these transmitters and will block a potential ground loop between your PC and a grounded input A software CDROM is included that contains the Windows software used to program TT transmitters USB Isolator Order USB ISOLATOR e USB Signal Isolator e USB A B Cable 4001 112 e Instructions 8500 900 This kit contains a USB isolator and a 1M USB A B cable for connection to a PC This isolator and cable are also included in TTC SIP see above USB A B Cable Order 4001 112 USB A B Cable 4001 112 This is a 1 meter USB A B replacement cable for connection between your PC and the USB isolator Itis
13. is compatible with XP or later versions of the Windows operating system 16 http www acromag com Model TT337 0700 Configuration V 11336 Configuration Software Communication Setup 1 0 Config Test DEVICE SELECT Device Model Serial Number Manufacturer Status V 11337 Configuration Software Communication Setup 1 0 Config Test DEVICE SELECT Device Model Serial Number Manufacturer Status Acromag Inc Tel 248 295 0880 Calibration Calibration TT337 0700 1234567 Close 17337 0700 1234567 Acromag Inc Device opened successfully v Four Wire DC Voltage Transmitter w USB Note that you should already have power connected to the transmitter at this point This model does not utilize USB power and you will not be able to configure calibrate or test the unit without power applied After executing the Acromag Configuration software for this model the screen shown at left will appear if you have not already connected to your transmitter via USB note fields are blank under these conditions Connect your PC to the unit via USB and the unit s model serial information will appear in the Device field as shown in the second screen at left If you happen to be connected to more than one unit via a USB hub you can use the Device scroll field to select another unit using the serial information suffix of the Device Model number to discern one unit from ano
14. normally included with the TTC SIP Software Interface Package and also with the isolator model USB ISOLATOR USB A mini B Cable Order 4001 113 e USB A mini B Cable 4001 113 This is a 1 meter USB A miniB replacement cable for connection between the USB isolator and the TT230 transmitter It is normally included in TTC SIP Note that software for all TT Series models is available free of charge online at www acromag com Acromag Inc Tel 248 295 0880 25 http www acromag com Model TT337 0700 SPECIFICATIONS Model Number Model TT337 0700 Signal Transmitter Isolated DC Voltage Input Four Wire Powered CE Approved Includes UL cUL Class 1 Division 2 approvals Custom calibration to your specifications can be added as a separate line item at time of purchase Input This model has two separate inputs for DC voltage but only one input can drive the output at one time Up to 1V is input at TB1 terminals and up to 10V at TB2 terminals Acromag Inc Tel 248 295 0880 Four Wire DC Voltage Transmitter w USB The TT337 model prefix denotes a DC voltage input type of the DIN Rail Mounted Series TT Thin Transmitter family The trailing 0700 model suffix denotes 4 wire power with CE and UL cUL Class 1 Division 2 Approvals included Optional factory calibration to your own specification is ordered as a separate line item at time of purchase and on a per unit basis Factory calibration will require the sp
15. wired to TB1 you are limited to DC voltage ranges up to 1V 1V to 1V and O to 1V If you are wired to TB2 then you may select DC Voltage ranges up to 10V 10 to 10V 5V to 5V 0 5V and 0 10V Note that any input range you pick can be rescaled to the output allowing you to use only a portion of a selected input range to drive a current or voltage output as desired However resolution will decrease proportionally as you rescale the input signal smaller than the nominal range Each halving of the nominal range will reduce resolution by 1 bit This can also magnify error especially noticeable for very small input ranges which degrade the signal to noise ratio of the input and resolution of the analog to digital conversion You should be cognizant of your range maximum and wire it to the appropriate input as well as ranges smaller than 1V should not be wired to TB2 which is intended for ranges above 1V up to 10V 18 http www acromag com Model TT337 0700 Configuration Y 11337 Configuration Software Communication Setup I O Config Test Calibration CONFIGURE I O Get 1 0 Config Input Range asv v Input Filtering High 1200mS Output Range 20m m Status No Error 1O Scaling 0 312 v 20mA Out 5 000 v 20mA Out Send 1 0 Config TEST I O e sx Click Start Polling to poll the input and display its value The LED next to the button will flash when polling is active Click
16. wired to TB1 no resistive divider These ranges apply to signals wired to TB2 86 6K 1084 6K resistive divider This unit allows a portion of the nominal input range to be rescaled to the output range selected However your effective input resolution will be proportionally diminished as you reduce the input range span below its nominal span The effective I O resolution of this transmitter will be the lowest resolution of either the A D itself or its normalized result or the output DAC In most cases it is dominated by the input resolution as the minimum output resolution is greater at 1 part in 46877 for 4 20mA out Acromag Inc Tel 248 295 0880 27 http www acromag com Model TT337 0700 Four Wire DC Voltage Transmitter w USB Output Output Range Selection Unit can be configured for one of six nominal output ranges shown below All output ranges include approximately 596 of over range OUTPUT RANGE OUTPUT RANGE w OVER RANGE 10V to 10V 10 5V to 10 5V 5V to 5V 5 25V to 5 25V 0 10V 0 5527V to 10 5V 0 5V 0 27634V to 5 25V 20mA 21mA to 21mA 0 20mA 1 1054mA to 21mA 4 20mA 1 1054mA to 21mA Accuracy Accuracy is better than 0 05 of span typical 0 1 maximum for nominal input spans This includes the effects of repeatability terminal point conformity and linearization but does not include sensor error Note Scaling smaller than nominal input ranges to the output
17. 5V and 0 10V Note that ranges up to 1V only apply to inputs wired at TB1 ranges wider than 1V must be wired to TB2 e Set the level of Input Filtering to High Medium Low or None No digital filtering The corresponding I O response time varies with the filter selection and is indicated in parenthesis next to your selection e Set Output Range to 10V 5V 0 5V 0 10V 20mA 0 20mA or 4 20mA e View the unit s configuration message status in the Status field e Use the I O Scaling fields to specify the specific input range endpoints that are to correspond to the output range zero and full scale endpoints e Last after making I O changes send your settings to the unit by clicking the Send I O Config button and follow the on screen prompts For detailed configuration and calibration procedures see the Operation Step By Step section of the Technical Reference on page 15 of this manual 14 http www acromag com Model TT337 0700 Quick Overview HELP You can press F1 for Help on a selected or highlighted field or control You can also click the button in the upper right hand corner of the screen and then click again to point to a field or control to get a Help message pertaining to the item you pointed to Y 11337 Configuration Software Communicat tion Setup I O Config Test Calibration CONFIGURE 1 0 Get 1 0 Config Input Range asv v Input Filtering righ 1200m5 w OutputRange
18. 820m v Status No Error 1jO Scaling 0 312 Y 20mA Out 5 000 vV 20mAOut Send 1 0 Config TEST 1 0 e s Click Start Poling to poll the input and display its value The LED next to the button will flash when poling is active Click Stop Polling to discontinue poling the input Y 11337 Configuration Software Communication Setup I O Config Test Calibration CALIBRATION Input Input Cal Instructions Output Cal Instructions FACTORY SETTINGS Restore Factory Calibration Restore to Factory Defaut CALIBRATION STATUS Acromag Inc Tel 248 295 0880 Four Wire DC Voltage Transmitter w USB Test I O Optional Verify Unit Operation Here After making I O configuration changes you can use the I O Test controls to start stop polling the input channel as required to check your input readings e Click the Start Polling button to periodically read your input channel and validate its operation Click Stop Polling to stop polling the input channel Note the simulated red lamp next to the button flashes slowly when the software is polling the input channel CALIBRATION Calibrate the Input and or Output if Needed This unit has already been factory calibrated If you encounter excessive error you can choose to click the Calibration tab to display the Calibration control page as shown in the second screen shown at left To calibrate the Input or Output stage of this mode
19. CO HOST USB SERIAL PORT CONNECTOR Acromag i AT BACK OF PC 1 METER CABLE Xx 7 Trl e CONNECT DEVICE CONNECT s i CABLE Model 4001 112 m f Refer to Configuration Software Kit Model TTC SIP which includes 1 ea Model 4001 113 USB Cable 1 ea Model 4001 112 USB Cable 1 ea Model USB ISOLATOR USB B MALE LED Crowe colton USB A MALE MODEL NO USB ISOLATOR 1 ea Configuration Software CDROM 5040 944 A WARNING The intent of mating USB with this transmitter is so that it can be conveniently setup and calibrated in a safe area then installed in the field which may be in a hazardous area Do not attempt to connect a PC or laptop to this unit while installed in a hazardous area as USB energy levels could ignite explosive gases or particles in the air e USB Signal Isolation is recommended and required when connected to a grounded input Input and USB connections are isolated from the output and power of this model USB Isolation is recommended for safety and noise suppression reasons but required when the input signal happens to be grounded You may use Acromag model USB ISOLATOR to isolate your USB port or you can optionally use another USB signal isolator that supports USB Full Speed operation 12Mbps IMPORTANT USB logic signals to the transmitter are referenced to the potential of the transmitter s input circuit ground This g
20. EC 60068 2 6 10 500 Hz 4G 2 Hours axis for sinusoidal vibration IEC 60068 2 64 10 500 Hz 4G rms 2 Hours axis for random vibration and IEC 60068 2 27 25G 11ms half sine 18 shocks at 6 orientations for mechanical shock Electromagnetic Compatibility EMC Minimum Immunity per BS EN 61000 6 1 1 Electrostatic Discharge Immunity ESD per IEC 61000 4 2 2 Radiated Field Immunity RFI per IEC 61000 4 3 3 Electrical Fast Transient Immunity EFT per IEC 61000 4 4 4 Surge Immunity per IEC 61000 4 5 5 Conducted RF Immunity CRFI per IEC 61000 4 6 This is a Class B Product with Emissions per BS EN 61000 6 3 1 Enclosure Port per CISPR 16 2 Low Voltage AC Mains Port per CISPR 14 16 3 DC Power Port per CISPR 16 4 Telecom Network Port per CISPR 22 Safety Approvals UL Listed USA amp Canada Hazardous Locations Class I Division 2 Groups A B C D Hazardous Location or Nonhazardous Locations only These devices are open type devices that are to be installed in an enclosure suitable for the environment Consult Factory Electromagnetic Compatibility EMC CE marked per EMC Directive 2004 108 EC Consult factory Reliability Prediction MTBF Mean Time Between Failure MTBF in hours using MIL HDBK 217F FN2 Per MIL HDBK 217 Ground Benign Controlled GaGc MTBF Hours MTBF Years Failure Rate FIT 25 C 1 172 033 hrs 133 8 years 853 40 C 769 367 hrs 87 8 years 1 300 Sof
21. EF eH A cra queue E aaepe PERF eRERAE A Ee perire iacens T 7 Sensor Input Connections oorr nete eee ene trea or resin sesini eo Ya Ro Vea co ae eno areia sioe ieres 8 Output Connections ea IEEE Se yere Eoo e e De so ope eR EK RN EEERS e Fe SEN Ee oe EER e Ro EP ER SY BEN ENSE e ove eese 9 Power Connections 1 o eere ii Ie e e epe Se bore te enr Rav Ta eee ceo erano e abe ee vy eae a TS WeseCeaeeseiense 10 Optional Bus Power Connections 2 2 reor aie i rera E ea ear h 3 EX POUR SP RRRT OU RARE cru TR KE GERA RA PUO oUe a KT 11 Earth Ground Connections cepe su rho asa tne d sua a neos uteri iuair uU Ma donas iw sensi snae Eua on Ea CEa Ed 12 USB Mengen eee 13 CONFIGURATION SOFTWARE ee eer nnne nnnm nna annua anna nn nnn nnn 14 QuiclcOVerVieW 3 5 dedere s coss ee ch cena onc Fa ex eee veo seen exe e ea Due ue SvaTub race Va eee aie v evade 14 OPERATION STEP BY S CEP wicsisciissccsseassnsasannssenceansesaasunnscheeacinanannnanccseantadnaians 16 Connections e M 16 Configuration oec tesa tances eb Dres ocv eae dvebi Co pcise emt a d ver Eolo irae DU Lo DUE 17 ie IogiDpE esprmeM 20 BLOCK DIAGRAM 5 5 iicet cep aUi e ta eo E o cO RE Se GRuE oe Evo ce iE uuo Fue inian COR 22 HOWE WORKS NER TETTE LIU TT 22 TROUBLESHOOTING skirisieXxiniRAReR A REOR SER EMRE AER EAS ER RANA AE RELEIX E RRRKAR CF AR QURE 23 IET EE LI P
22. LE AT TB4 MALE TERMINAL BLOCK GROUND ACROMAG 1005 221 RIGHT SIDE CONNECTION CAUTION DO NOT EXCEED 36VDC OR DAMAGE TO THE UNIT MAY RESULT NOTE IT IS RECOMMENDED THAT SUPPLIES CAPABLE OF DELIVERING MORE THAN 2 5A TO THE BUS BE FUSED WITH A HIGH SURGE TOLERANT FUSE Earth Ground Connections Acromag Inc Tel 248 295 088 The unit housing is plastic and does not require an earth ground connection If the module is mounted in a metal housing an earth ground wire connection to the metal housing s ground terminal green screw is usually required using suitable wire per applicable codes Circuits wired to input output and power should be earth grounded as reflected in the connection diagrams The ground connections noted are recommended for best results and help protect the unit by giving it a low impedance path to ground for shunting destructive transient energy See the Electrical Connections Drawings for Input Output and Power and note the position of earth ground Earth ground should be applied at the input power minus terminal DC The input and output circuit returns are additionally shunted to earth ground applied at power minus via internal isolation capacitors e Avoid inadvertent connections to earth ground at other points than those indicated as this could drive ground loops and negatively affect operation e A USB isolator is recommended when configuring or calibrating a unit to avoid the ground lo
23. POWER WIRING UNIT IS DC POWERED ONLY AT 12 TO 32VDC TOP VIEW INPUT SIDE OUTPUT SIDE OUTPUT POWER SIDE O TB3 TB OUTPUT TERMINALS UPPER LEVEL SEE LOAD WIRING TB3 OUTPUT POWER INPUT IS ISOLATED FROM SIGNAL INPUT AND OUTPUT CIRCUITS TB2 TB4 BC POWER TB4 POWER FUSE MODEL TT337 0700 TERMINALS 5 9 ii Ita DC SUPPLY I 10 BEST 12 32V l 9 GROUND 22 GROUND F OPTION LH HERE OR HERE LL GROUND ONE END NOT BOTH IT IS BEST TO APPLY EARTH GROUND CLOSEST TO THE MODULE BUT NEVER AT BOTH ENDS OF THE CONNECTION CAUTION DO NOT EXCEED 36VDC OR DAMAGE TO THE UNIT MAY RESULT DIN RAIL SPRING CLIP NOTE IT IS RECOMMENDED THAT SUPPLIES CAPABLE OF DELIVERING MORE THAN 2 5A TO THE UNIT BE FUSED WITH A HIGH SURGE TOLERANT FUSE Acromag Inc Tel 248 295 0880 10 http www acromag com Model TT337 0700 Four Wire DC Voltage Transmitter w USB Power Connections CAUTION Risk of Electric Shock More than one disconnect switch may be required to de energize this equipment before servicing IMPORTANT External Fuse If unit is powered from a supply capable of delivering more than 2 5A to the unit it is recommended that this current be limited via a high surge tolerant fuse rated for a maximum current of 2A or less for example see Bel Fuse MJS or RJS fuse types Opti
24. PUT CLAMPS G Q vc TB2 UP TO 10V IN2 gt VOLTAGE DIVIDER Y INPUT FILTER INPUT CLAMPS NE Qne 125V BOTTOM VIEW TOP VIEW INPUT SIDE OUTPUT amp POWER SIDE loeo INPUT OOO ess 9 output ess input2 9 99 POWER DIN RAIL SPRING CLIP How It Works Key Points of Operation Unit is DC Powered Power is Isolated Input is Isolated Input is Differential Voltage Input circuit ground is common to USB ground Output is universal current or voltage Acromag Inc Tel 248 295 0880 Four Wire DC Voltage Transmitter w USB gt ISOLATED OUTPUT CIRCUIT MOSI H sel UNIVERSAL i j E ose OUTPUT IK miso DRIVER Bi e PIA ose 16V BIPOLAR BOOST AKEn POWER uc a EN CONVERTER ISOLATED FLYBACK CONVERTER Ld BUS CONN T Ne 2 NC PO 3 NC i Dm BUS POWER 4 H 1292 Te4 i 1 16V BE FLYBACK i CONVERTER E ON E A sen SOLATED OUTPUT CIRCUIT ine LOCAL POWER 1232V ag OUTED POWER 0 s es i This transmitter uses a 32 bit microcontroller and a high resolution 24 bit A D to digitize the input signal and communicate to the output DAC via an SPI bus isolated via digital isolators This signal is transmitted to a 16 bit output DAC which drives a universal output driver for current or voltage The output is very unique in that it may drive current or voltage to the l
25. S SHOWN ELECTRICAL CONNECTIONS A WARNING EXPLOSION HAZARD Do not disconnect equipment unless power has been removed or the area is known to be non hazardous WARNING EXPLOSION HAZARD Substitution of any components may impair suitability for Class I Division 2 WARNING EXPLOSION HAZARD The area must be known to be non hazardous before servicing replacing the unit and before installing Wire terminals can accommodate 14 26 AWG solid or stranded wire Input wiring may be shielded or unshielded type Ideally output wires should be twisted pair or shielded twisted pair Terminals are pluggable and can be removed from their sockets by prying outward from the top with a flat head screwdriver blade This model allows DC voltage up to 1V at TB1 and 10V at TB2 but only one input may drive the output Strip back wire insulation 0 25 inch on each lead and insert the wire ends into the cage clamp connector of the terminal block Use a screwdriver to tighten the screw by turning it in a clockwise direction to secure the wire 0 5 0 6Nm torque Since common mode voltages can exist on signal wiring adequate wire insulation should be used and proper wiring practices followed As a rule output wires are normally separated from input wiring for safety as well as for low noise pickup Acromag Inc Tel 248 295 0880 7 http www acromag com Model TT337 0 700 Sensor Input Connections Four Wire DC Voltage Transmitter w USB S
26. cromag USB ISOLATOR Otherwise use a battery powered laptop to configure the transmitter which does not normally earth ground its USB port Software Fails to Detect Transmitt Bad USB Connection USB has not enumerated the device Recheck USB Cable Connection Use the reset button on the Acromag USB isolator to trigger renumeration of the transmitter or simply unplug and re plug the USB cable to the transmitter Close the current connection with the software then select and re open the transmitter for communication or simply exit the Configuration software and reboot it For a step change in the input When you step the input signal it takes two the A D needs 2 input samples samples for the A D to charge up to its final to charge to its final level output level and this is evident when using a scope to examine the output transition in response to a step change at the input which appears to make two steps in its transition to its final level Communication or power was interrupted while USB was connected with configuration software running 23 http www acromag com Model TT337 0700 Diagnostics Table Four Wire DC Voltage Transmitter w USB POSSIBLE CAUSE POSSIBLE FIX Output goes right to Over Range 105 or Under Range Limit This indicates that either the input signal is out of range or a sensor lead has broken It can also occur due to contention between earth ground at the PC USB port
27. e of USB isolation and when connected to a grounded input sensor a battery powered laptop could be used to connect to the unit as the laptop does not normally connect to earth ground Acromag Inc Tel 248 295 0880 29 http www acromag com Model TT337 0700 Power Enclosure amp Physical Environmental Four Wire DC Voltage Transmitter w USB Power Supply Connect at TB4 or via DIN Rail Bus Terminal 12 32V DC SELV Safety Extra Low Voltage 1 3W maximum Observe proper polarity Reverse voltage protection is included Current draw varies with power voltage as follows currents indicated assume a current output driving 21mA into a load 97mA Typical 107mA Max 72mA Typical 80mA Max 48mA Typical 53mA Max 36mA Typical 40mA Max CAUTION Do not exceed 36VDC peak to avoid damage to the unit Terminal voltage at or above 12V minimum must be maintained across the unit during operation Power Supply Effect Less than 0 001 of output span effect per volt DC change General purpose plastic enclosure for mounting on 35mm T type DIN rail Dimensions Width 17 5mm 0 69 inches Length 114 5mm 4 51 inches Depth 99 0mm 3 90 inches Refer to Mechanical Dimensions drawing 1 O Connectors Removable plug in type terminal blocks rated for 12A 250V AWG 4826 12 stranded or solid copper wire Program Connector 5 pin Mini USB B type socket Hirose UX60 MB 5S8 Case Material Self exti
28. ecification of nominal input range output range scaled input range zero and scaled input range full scale You can also specify a normal or reverse acting output and a filter level You can obtain form 8500 858 for specifying this calibration info from our web site at www acromag com The standard model without adding custom factory calibration is calibrated by default to reference test conditions for 1V DC TB1 and 10V DC TB2 mapped to 4 to 20mA at the output a medium filter selection and a normal acting output Recalibration of any model will require use of the TTC SIP configuration kit ordered separately see Accessories section Models can be mounted on standard 35mm T Type DIN rail Input Reference Test Conditions 1V input at TB1 or 10V input at TB2 25 C ambient 24V DC Supply DC Voltage 1V MAX at TB1 10V MAX at TB2 Configurable for 1V 0 1V 10V 5V 0 10V and 0 5V DC nominal input ranges Nominal inputs may be rescaled to drive the output using only a portion of the input range The input voltage is processed differentially by the A D converter There are two separate input points but only one input may drive the output at a time Input Impedance 15MQ minimum at TB1 no resistor divider and 1084 6KQ at TB2 a 12 5 1 resistive divider is present at TB2 Input Overvoltage Protection Bipolar Transient Voltage Suppressers TVS rated to 14V working and 18V clamp level typical Also includes differential
29. el 248 295 0880 32 http www acromag com
30. ensor wires are wired directly to transmitter input terminals at the bottom of the module the spring loaded DIN clip side as shown in the connection drawing below Observe proper polarity when making input connections e The Transmitter input signal is isolated from the output e Upto 1V DC Voltage is wired to the upper terminal block TB1 e Upto 10V DC Voltage is wired to the lower terminal block TB2 e Inputs are polarized and The positive input is on the left and labeled and the negative input is to its right Observe proper polarity See connection figure below e Onlyone input may drive the output at one time MODEL TT337 0700 INPUT SIGNAL WIRING WIRE UP TO 1V TO TB1 pc Le VOLTAGE y 1V MAX OPT SHLD GND l S NC WIRE UP TO 10V TO TB2 DC VOLTAGE v 10V MAX _ INPUTS ARE ISOLATED FROM THE OUTPUT AND POWER ONLY ONE INPUT VOLTAGE MAY DRIVE THE OUTPUT AT ONE TIME BOTTOM VIEW INPUT SIDE TN INPUT A TERMINALS cs 35 TB1 DC VOLTAGE 15 re x DC VOLTAGE ONLY V Sis UP TO 1V y H INPUT 1 exeses TERMINALS TB2 4 5 6 TB2 T2 DC VOLTAGE ONLY DC VOLTAGE 2 UP TO 4 10V 4 t M at ala HT IE T T T T LIE RILE Z DIN RAIL SPRING CLIP g
31. er can only be configured and calibrated via its Configuration Software and a USB connection to your PC or laptop The configuration software can be downloaded free of charge from our web site at www acromag com This software is also included on a CDROM bundled with the Configuration Kit TTC SIP see Accessories section For this model look for the program TT337Config exe This software is compatible with XP or later versions of the Windows operating system The initial configuration software screen for this model is shown at left Configuration information is divided across three pages tabs as follows Communication Setup I O Config Test and Calibration A short description of each of these configuration pages follows Communication Setup First Connect to Unit Here e Select from connected transmitters and Open Close communication with them e Display the Model Serial Number and Manufacturer of the connected transmitter and report the status of communication with it This section is used to select a connected transmitter and open close communication with it Device connection Status is also indicated here along with the connected transmitter s ID info Product Name serial Manufacturer amp Serial Number 1 O Config Test Configure and or Test the Unit Here e You can click the Get I O Config button to retrieve the I O configuration of the currently connected transmitter e Select input type range 10V 5V 1V 0 1V 0
32. ery careful to take accurate measurements and input correct signal levels For current outputs if you are measuring a voltage across an output load resistance make sure that you use the exact load resistance when calculating the load current being measured Also when rescaling your input to a smaller sub range make sure that you still have adequate input span as too tight input spans have diminished resolution and will magnify error You can use the Restore Factory Calibration button to restore the transmitter s original factory calibration if you think you made an error during recalibration degraded its performance or the I O channel appears erratic You can use the Restore to Factory Default button to return the unit to its original factory state configuration settings This does not restore calibration only configuration Alternately this button can be used as a Sanitation tool to restore the unit to its initial configuration when decommissioning a module This field displays calibration status messages like No Error Transfer Error and Timeout Error during calibration If you encounter a Transfer or Timeout Error you may have to repeat the calibration process 21 http www acromag com Model TT337 0700 BLOCK DIAGRAM ISOLATED INPUT CIRCUIT TT337 0700 SIMPLIFIED SCHEMATIC FILTERING AND DETAIL OMITTED FOR CLARITY DC VOLTAGE INPUTS TBI UP TO 4 1V Nts VOLTAGE INPUT FILTER Onr IN
33. indows based PC s Windows XP and later versions only The unit provides an adjustable input range selectable output range for voltage or current three way isolation and a variable input filter e Digitally configured and calibrated w Windows software via USB e Thin 17 5mm wide enclosure for high density DIN rail mounting e High measurement accuracy and linearity with 16 bit conversion e Adjustable input range and selectable output ranges e DC Voltage Input for voltage ranges up to 1V e DC Voltage Input for voltage ranges up to 10V e Universal Output for 10V 5V 0 10V 0 5V 20mA 0 20mA and 4 20mA e Output drives DC current or DC voltage without rewiring e Normal or Reverse Acting output e Variable Digital Input Filter adjustment e Wide range DC power input from 12 32V e Bussed Power and or Redundant Power Ready e Wide ambient temperature operation e Thoroughly Tested and Hardened For Harsh Environments e CE Approved e UL cUL Class 1 Division 2 Approved This transmitter is designed for high density mounting on T type DIN rails Units may be mounted side by side on 0 7 inch 17 5mm centers It supports 12 32V DC power via terminals on the unit or optionally via power wired to its DIN rail bus connector This model isolates a DC voltage input signal and can mate with grounded or non grounded sensors The universal output signal is isolated from input and power and will drive current or voltage
34. industrial environments For large 60Hz supply ripple connect an external 1uF or larger capacitor directly across the load to reduce excessive ripple For sensitive applications with high speed acquisition at the load high frequency noise may be reduced significantly by placing a O 1uF capacitor directly across the load and as close to the load as possible Power Connections The unit is powered from 12 32V DC 36V DC peak by connecting power as shown below This transmitter can be optionally powered or redundantly powered via the DIN rail bus when coupled to the DIN rail bus connector Acromag Model 1005 063 and a bus terminal block Acromag 1005 220 or 1005 221 This optional method can also allow several modules to share a single power supply without wiring to each individually e Power connections are isolated from the input and output The supply voltage should be from 12 32V DC This voltage must never exceed 36V DC peak or damage to the unit may result e Variations in power supply voltage between the minimum required and 32V maximum has negligible effect on transmitter accuracy e Note the placement of earth ground at power The power cable shield and DC should ideally be grounded closest to the module The input and output circuit commons are capacitively coupled to earth ground at DC through high voltage isolation capacitors offering some protection if their circuits happen to float not recommended MODEL TT337 0700
35. ing these connectors AA RA IAAM AAA AAA IG EARLIER EA RA TT300 HH TT300 HH TT300 HH TT300 HH TT300 HH TT300 H Series Series Series Series Series Series 35mm DIN Rail Oya joie fa E USB USB USB USB USB USB AE ail EIE DIN Rail Bus Connector B B B Y B Y Acromag 1005 063 Included with Module Acromag Inc Tel 248 295 0880 11 http www acromag com Model TT337 0700 Optional Bus Power Connections YOU CAN OPTIONALLY CONNECT POWER TO THE DIN RAIL BUS CONNECTOR ALONG THE DIN RAIL USING THE OPTIONAL TERMINALS AS SHOWN 35mm DIN RAIL Four Wire DC Voltage Transmitter w USB The figure below shows how to wire power to the optional bus terminal block when mated to the bus connector Note that power is wired to the rightmost bus terminals on the right or the left most terminals on the left Observe proper polarity LEFT DC DC C Jw DIN RAIL BUS POWER FUSE DC SUPPLY 12 32V EARTH FEMALE TERMINAL BLOCK ACROMAG 1005 220 LEFT SIDE CONNECTION FOR REDUNDANT POWER CONNECT POWER TO BUS AS SHOWN AND WIRE POWER TO POWER TERMINAL OF MODU
36. input diode clamping capacitive filtering and series resistance Analog to Digital Converter A D Input utilizes a 24 bit X A A D converter with only the first 16 bits used Its signal is then normalized to a bipolar range count of 25000 to simplify I O scaling see Resolution below Sampling Rate A D Input is sampled at a variable rate according to the input filter selection as follows A D SAMPLING RATE SAMPLES SECOND PER INPUT FILTER NONE low MED HIGH O 214 65sps 53 6625sps 13 42sps 1 6775sps Input Filter Normal mode RC filtering plus digital filtering optimized and fixed per input range and filter selection within the Z A ADC See Normal Mode Noise Rejection and Output Response Time 26 http www acromag com Model TT337 0700 Input Four Wire DC Voltage Transmitter w USB Noise Rejection Common Mode Varies with input and input filter selection between 85dB no filter and 118dB high filter typical with 100Q input unbalance Noise Rejection Normal Mode Varies with input and input filter selection Table below indicates the typical rejection at 60Hz for each input and input filter selection Note that at the medium and high input filter settings the A D converter adds 80dB minimum of rejection for frequencies between 49Hz and 61Hz TYPICAL 60Hz REJECTION PER INPUT amp INPUT FILTER INPUT RANGE NONE low MED HIGH TB1 1V 1 1dB 11dB 80dB 80dB TB2 10V
37. ions e 13 CONFIGURATION SOFTWAR E useevosisu ERA nni ERNRKR KIA SHE RN EAR NE SRRE RAS AN NA EXE dEEUR 14 QUICK OVerVIeW E eo co se vaa e eius een dee aae EC ara ev ao aeo ran eC cea aerae ava eUF Crea Tao Pee eu eva evan co Edu o Ve eu Rea euius a 14 TECHNICAL REFERENCE OPERATION STEP BY STEP stus sec d aEES bSa ccc TEC O EVEN u UR CER V EN FK S Dxb COH DU EVE 16 enhiePeemee 16 jn eT 17 Calibration Optional susce ep pREREREREEXERSRENEERTER RENTRER NUM eaaa EE NUTS NKUKERERP DNE KU RE EYRERLU URN DE 20 BLOCK DIAGRAM nn 22 How TE WOT cWeee T Spei 22 TROUBLESHOOTING int vkge nU XE UR UE EU NSKEDUEN E NERISExEXEPUAKEESERURU UE REE RES EKUDE 23 Diagnostics TaDl mc m 23 Service amp Repair Assistance ois coe dieere enero nnne otav ona ea ko nx e po vnu ou Ya ee saa ro oaa ERE xke epa ro EE eee 24 ACCESSORIES pe 25 Software Interface PAaCka Ges ivssssisdesswssesccsuiacstesnnessvecwrandeacseseieasseundsasuwanscssuusueeeacsanavessaevawasees 25 MISE USOU ARR MT S 25 USB A B Ca p e V 25 USB A mini B Cae c S 25 Acromag Inc Tel 248 295 0880 2 http www acromag com Model TT337 0700
38. l simply click the respective Cal Instructions button and follow the on screen prompts Input Before attempting calibration first set the Input Range to calibrate from the I O Config Test page and be sure to click the Send I O Config button On the Calibration page click the Input Cal Instructions button to begin input calibration When you click the Zero or Full Scale buttons of the Input Calibration section you will be prompted to apply a specific voltage level at TB1 or TB2 according to your selected input range Once you have applied this signal to the correct input terminals click the OK button of the prompt and follow the on screen instructions to complete input calibration Output Click the Output Cal Instructions button to begin output calibration You will be prompted to adjust the input signal as required to drive the output to its precise output range zero or full scale level Then once the output is set to zero or full scale you simply click the corresponding Zero or Full Scale button of the CALIBRATION Output section to set the output range zero or full scale endpoint Factory Settings Use Only In Case of Trouble or for Sanitation Purposes e Restore a transmitter to its original factory calibration e Restore a transmitter to its initial factory configuration You can Click the Restore Factory buttons if you ever misconfigure or miscalibrate a transmitter in such a way that its operatio
39. l Instructions Output Output Cal Instructions FACTORY SETTINGS Restore Factory Calibration Restore to Factory Default CALIBRATION STATUS CAUTION Input Calibration Driving input levels outside of the nominal input range of the unit will not be acceptable for calibration of zero or full scale Since input levels cannot be validated during field calibration incorrect signal levels will produce an undesired output response Acromag Inc Tel 248 295 0880 Four Wire DC Voltage Transmitter w USB Once you ve configured your unit you are ready to install it in the field as the unit has already been factory calibrated If you later encounter error that is out of specification you can choose to click the Calibration tab to display the Calibration control page shown at left IMPORTANT This unit has already had its input and output channels factory calibrated with a high level of precision If you attempt to recalibrate the input or output channel you could degrade its performance if it is not done properly or it is done using lower grade equipment Consider your decision to recalibrate carefully Calibration of this model is a simple two part process initiated by simply clicking the Input Cal or Output Cal Instructions button to begin then follow the on screen prompts CALIBRATION Input Before attempting to recalibrate the input channel first set the Input Range to select the input to calibrate on the
40. n appears erratic or for sanitation purposes when decommissioning a module Calibration Status Bottom of Screen e Displays communication status messages for the calibration process The CALIBRATION STATUS message bar at the bottom of the screen will display status messages relative to calibration 15 http www acromag com Model TT337 0700 TECHNICAL REFERENCE Four Wire DC Voltage Transmitter w USB OPERATION STEP BY STEP Connections This section will walk you through the Connection Configuration Calibration process step by step But before you attempt to reconfigure or recalibrate this transmitter please make the following electrical connections Connect Input N Connect Power Acromag Inc Tel 248 295 0880 Connect Output Connect PC USB Configure I O Note Your input source output meter and output load resistor for current output must be accurate beyond the unit specifications or better than 0 1 A good rule of thumb is that your equipment source accuracy should be four times better than the rated accuracy you are trying to achieve with this transmitter Calibration Connections Connect Input Connect a precision voltage source to the TB1 or TB2 input terminals according to your selected input voltage range and observe proper polarity Use a voltage source with an output impedance of 100 or less Connect Output Wire an output load to the unit appropriate for either curren
41. nding on the output range selected Also set the input signal maximum full scale value to correspond to the output range full scale i e 20mA 10V or 5V depending on output range selected You can optionally swap scaling levels to configure a reverse acting output response if desired Note that approximately 596 of under and over range is built into each output range selection If the scaled input zero and full scale points are chosen too close together performance will be degraded Once you have made your configuration selections click the Send 1 O Config button to write them to the module You can read the Status of your sent message to the unit in the Status field Alternately you could click File in the upper left hand corner to save the settings to a file on your PC for later reference At this point you can test the module s operation by clicking on the Start Polling button of the TEST I O section of the I O Config Test page to trigger the software to periodically read the input and display its value in the field to the right of the polling toggle button Note the simulated lamp next to the button flashes slowly each time it samples the input Click Stop Polling to stop polling the input before moving onto the next page 19 http www acromag com Model TT337 0700 Calibration Optional V 11337 Configuration Software Communication Setup 1 0 Config Test Calibration CALIBRATION Input Input Ca
42. nguishing polyamide UL94 V O rated color light gray General purpose NEMA Type 1 enclosure Circuit Board Military grade fire retardant epoxy glass per IPC 4101 98 DIN Rail Mounting Unit is normally mounted to 35x15mm T type DIN rails Refer to the DIN Rail Mounting amp Removal section for more details Shipping Weight 0 5 pounds 0 22 Kg packed These limits represent the minimum requirements of the applicable standard but this product has typically been tested to comply with higher standards in some cases Operating Temperature 40 C to 80 C 40 F to 176 F Storage Temperature 40 C to 85 C 40 F to 185 F Relative Humidity 5 to 9596 non condensing Isolation Input USB output and power circuits are all isolated from each other for common mode voltages up to 250VAC or 354V DC off DC power ground on a continuous basis will withstand 1500VAC dielectric strength test for one minute without breakdown Complies with test requirements of ANSI ISA 82 01 1988 for voltage rating specified Installation Category Suitable for installation in a Pollution Degree 2 environment with an Installation Category Over voltage Category Il rating per IEC 1010 1 1990 Acromag Inc Tel 248 295 0880 30 http www acromag com Model TT337 0700 Environmental Agency Approvals Reliability Prediction Configuration Controls Four Wire DC Voltage Transmitter w USB Shock amp Vibration Immunity Conforms to I
43. oad without having to change connections only the load resistance must be adjusted The output range is user configured via the isolated SPI bus Power for the isolated input and isolated output circuits is provided via an isolated fly back converter that operates on voltage wired to the power terminals at TB4 or wired to optional bus power terminals along the DIN rail Setup involves selecting the input range selecting the output range current or voltage selecting a filter level and scaling your input range endpoints to the output range zero full scale endpoints O scaling can also be done in reverse to produce a reverse acting output signal Refer to the block diagram above to gain a better understanding of how this transmitter works The input USB output and power circuits are all isolated from each other This unit does not draw power from USB and the USB port ground is common to the input circuit ground The USB port ground of most PC s is also common to the USB cable shield and earth ground Input sensors could be grounded or ungrounded For this reason it is recommended that USB signals be isolated when connected to a PC to prevent a ground loop from occurring between the PC earth ground and a grounded input sensor which would have the negative effect of pulling the input bias supply to ground and clipping any negative range 22 http www acromag com Model TT337 0700 TROUBLESHOOTING Diagnostics Table Before attempting
44. odule to T type DIN rail angle the top of the unit towards the rail and place the top groove of the module over the upper lip of the DIN rail Firmly push the unit downward towards the rail until it snaps into place To remove it from the DIN rail first separate the input terminal blocks from the bottom side of the module to create a clearance to the DIN mounting area You can use a screwdriver to pry the pluggable terminals out of their sockets Next while holding the module in place from above insert a screwdriver into the lower path of the bottom of the module to the DIN rail clip and use it as a lever to force the DIN rail spring clip down while pulling the bottom of the module outward until it disengages from the rail Then simply lift it from the rail http www acromag com Model TT337 0700 Four Wire DC Voltage Transmitter w USB TT3XX MODULE DIN RAIL MOUNTING AND REMOVAL TILT MODULE UPWARD TOWARDS RAIL AND HOOK ONTO UPPER LIP OF RAIL ROTATE MODULE DOWNWARD TO ENGAGE SPRING CLIP ONTO LOWER OUTPUT SIDE LIP OF RAIL TOP N HAA Series Fd 35mm DIN Rail C 2 C C 2 TT3XX MODULE T Rail INPUT SIDE ooo BOTTOM SPRING CLIP gt SCREWDRIVER SLOT FOR REMOVAL FROM T TYPE DIN RAIL Q USE SCREWDRIVER TO REMOVE MODULE FROM RAIL A
45. onal Bus Power Connections Power is normally connected to the TB4 power terminals of the unit as shown on the previous page However this transmitter is equipped to be optionally or redundantly powered via its DIN rail bus connector provided Acromag 1005 063 when also mated to an optional plug in terminal block Acromag 1005 220 or 1005 221 depending on side of entry Power input via the bus connector terminal is diode coupled to the same point in the circuit as unit power connected at power terminal TB4 You can elect to power multiple units by snapping them together along the DIN rail bus then using a mating terminal block select a Left or Right side connector see figure of next page While the intent of the bus power connector is to allow several units to conveniently share a single supply you may also use the bus power connector to redundantly power units with local power also applied at TB4 allowing a backup supply to maintain power to the unit s should the main supply at TB4 fail Your unit comes equipped with the bus connector 1005 063 shown below This connector allows units to snap together side by side along the DIN rail and share these connections But to complete connection to power you will additionally need an optional plug in bus terminal block Acromag 1005 220 for left side or 1005 221 for right side connections Refer to the figure of the following page which shows how to wire power to the optional bus connector us
46. ontrol or monitoring system This is very important where property loss or human life is involved It is important that you perform satisfactory overall system design and it is agreed between you and Acromag that this is your responsibility The information of this manual may change without notice Acromag makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose Further Acromag assumes no responsibility for any errors that may appear in this manual and makes no commitment to update or keep current the information contained in this manual No part of this manual may be copied or reproduced in any form without the prior written consent of Acromag Inc Acromag Inc Tel 248 295 0880 4 http www acromag com Model TT337 0700 GETTING STARTED DESCRIPTION Symbols on equipment A Means Refer to User s Manual this manual for additional information Key Features Application For additional information on these devices and related topics please visit our web site at www acromag com Four Wire DC Voltage Transmitter w USB The TT337 0700 is an ANSI ISA Type IV transmitter designed to interface with DC voltage signals 1V 5V 10V isolate the input signal and modulate a DC current or DC voltage signal at its output This unit is configured and calibrated using configuration software and a USB connection to W
47. op that occurs if your input is also earth grounded A PC commonly earth grounds its USB port and this makes contact with both the USB signal and shield ground which is held in common to the input circuit ground of this transmitter 0 12 http www acromag com Model TT337 0700 USB Connections Four Wire DC Voltage Transmitter w USB This transmitter is configured and calibrated via configuration software that runs on a Windows based PC connected to the unit via USB Windows XP or later required Refer to the following drawing to connect your PC or laptop to the transmitter for the purpose of reconfiguration and calibration using this software TT SERIES USB TRANSMITTER CONNECTIONS USED FOR CONFIGURATION AND CALIBRATION OF THE TRANSMITTER IN A SAFE OR ORDINARY LOCATION PERSONAL COMPUTER Aa RUNNING WINDOWS OS a ANY SERIES TT TRANSMITTER TT300 Series HOST PC RUNNING ACROMAG USB MiniB MALE CONFIGURATION CABLE Model 4001 113 SOFTWARE o USB MiniB Socket a N Front Panel of Module usa N Co Note Output Power to Transmitter must be applied before USB connection HOST TO HOST USB PORT B B See Output Power Connections US m TE yyy Li a ree USB A MALE RE
48. part in 31208 320 439uV 0 00320496 0 10V 1 part in 59293 168 653uV 0 001686 0 5V 1 part in 59293 84 326uV 0 001686 20mA 1 part in 62415 0 64088uA 0 001602 0 20mA 1 part in 59293 0 33731u4A 0 001686 4 20mA 1 part in 47434 0 33731uA 0 002108 Output Response Time Varies with input range and filter level for a step change in the input signal as follows TT337 0700 TYPICAL RESPONSE TIME PER INPUT FILTER INPUT RANGE NONE tow MED HIGH TB1 Up to 1V 12ms 28ms 115ms 1116ms TB2 Up to 10V 78ms 98ms 208ms 1164ms Acromag Inc Tel 248 295 0880 28 http www acromag com Model TT337 0700 USB Interface A Four Wire DC Voltage Transmitter w USB Unit includes a USB socket for temporary connection to a PC or laptop for the purpose of configuration and calibration USB isolation is required when also connected to a grounded input sensor see IMPORTANT note below During reconfiguration and calibration the transmitter receives power from its power connection via DIN rail bus or power terminal TB4 not USB As such you must connect power to the unit when you connect USB CAUTION Do not attempt to connect USB in a hazardous environment Transmitter should be setup and configured in a safe environment only Data Rate USB v1 1 full speed only at 12Mbps Up to 32K commands per second USB 2 0 compatible Transient Protection Adds transient voltage protection on USB
49. power amp data lines Cable Length Connection Distance 5 0 meters maximum Driver No special drivers required Uses the built in USB Human Interface Device HID drivers of the Windows Operating System Windows XP or later versions only USB Connector 5 pin Mini USB B type socket Hirose UX60 MB 5S8 PIN DEFINITION 5V Power Transient Protected but not used by this model Differential Data 4 Differential Data NC Not Connected Power Ground Connects to Signal Ground via ferrite bead Signal Ground Connects directly to Signal Ground 1Note Most Host Personal Computers except battery powered laptops will connect earth ground to the USB shield and signal ground IMPORTANT USB Isolation is recommended The input of this transmitter is isolated from its output and can be connected to grounded or un grounded input sensors However the transmitter s input circuit ground is connected in common to the USB power signal shield ground This will in turn make a connection to earth ground at the PC when directly connected to the USB port of a Personal Computer without using an isolator Failure to connect USB without isolation would short the 1 25V input bias supply to input ground if the sensor is also earth grounded This will interfere with operation truncate the negative input range and possibly cause the output to shift For this reason USB isolation is strongly recommended when connecting to a PC Otherwise in the absenc
50. repair or replacement be sure that all installation and configuration procedures have been followed and that the unit is wired properly Verify that power is applied to the unit and that your supply voltage is at least 12V Verify that your load resistance is appropriate to your output type current or voltage If your problem still exists after checking your wiring and reviewing this information or if other evidence points to another problem with the unit an effective and convenient fault diagnosis method is to exchange the questionable unit with a known good unit Acromag s Application Engineers can provide further technical assistance if required Repair services are also available from Acromag Acromag Inc Tel 248 295 0880 Four Wire DC Voltage Transmitter w USB POSSIBLE CAUSE A missing USB Isolator could Without USB isolation a ground loop is cause a ground loop between a possible between a grounded input signal grounded input and earth and earth ground of the PC USB port The ground at the connected input of this model is normally biased to Personal Computer s USB port 1 25V off input ground to process negative going signals A grounded signal source could inadvertently short this bias to earth ground and clip the negative input range with a non isolated USB connection to a PC For this reason and for increased safety and noise immunity it is best to connect to USB via a USB isolator Use an isolator like the A
51. round is held in common with USB ground and USB cable shield ground Thus an isolator is required when the input signal is grounded and the unit is connected to the USB port of an earth grounded PC You could avoid the use of an isolator if a battery powered laptop was instead used to connect to the transmitter and the laptop had no other earth ground connection either directly or indirectly via a connected peripheral Acromag Inc Tel 248 295 0880 13 http www acromag com Model TT337 0700 Four Wire DC Voltage Transmitter w USB CONFIGURATION SOFTWARE Quick Overview Click Open to connect to the TT337 0700 and your screen will look similar to the following Y 11337 Configuration Software Communication Setup 1 0 Config Test Calibration lodel TT337 0700 Serial Number 1234567 turer Acromag Inc Status Device opened successfully 1234567 Write Serial Y 11337 Configuration Software Communication Setup I O Config Test Calibration CONFIGURE I O Get I O Config Input Range aw S Input Filtering High 1200m5 v Output Range 42A vw Status No Error 1O Scaling 0 312 v 20mA Out 5 000 V 20mA Out Send 1 0 Config TEST 1 0 e su Click Start Poling to poll the input and display its value The LED next to the button wil flash when polling is active Click Stop Polling to discontinue polling the input Acromag Inc Tel 248 295 0880 This transmitt
52. signals for the ranges 20mA 0 20mA 4 20mA 10V 5V 0 10V and 0 5V The output of this transmitter is very unique in that it can drive either current or voltage under digital control using the same two output terminals only the load must be adjusted Acromag Inc Tel 248 295 0880 5 http www acromag com Model TT337 0700 Mechanical Dimensions Units may be mounted to 35mm T type DIN rail 35mm type EN50022 and side by side on 0 7 inch centers WARNING IEC Safety Standards may require that this device be mounted within an approved metal enclosure or sub system particularly for applications with exposure to voltages greater than or equal to 75VDC or 50VAC Four Wire DC Voltage Transmitter w USB ra 99 0 me 175 3 90 0 69 m f q E lt 7 Seo 114 5 oR 4 51 i doeet pro TL sg DIMENSIONS ARE IN MILLIMETERS INCHES DIN Rail Mounting amp Removal Acromag Inc Tel 248 295 0880 Refer to the following figure for attaching and removing a unit from the DIN rail A spring loaded DIN clip is located on the input side bottom The opposite rounded edge at the bottom of the output side allows you to tilt the unit upward to lift it from the rail while prying the spring clip back with a screwdriver To attach the m
53. t or voltage as required by your application You will need to measure the output current or voltage accurately in order to calibrate the unit You could connect a current meter in series with the load to read the output current directly or a digital volt meter in parallel with the load to measure output voltage Alternatively you could simply connect a voltmeter across a precision load resistor to accurately read output current as a function of the IR voltage drop produced in the load resistor recommended for current outputs Connect Power Wire 12 32VDC power to the unit at TB4 as shown in the Electrical Connections section Optionally you may wire power to the bus terminal as shown in the optional power connections drawing But in either case never exceed 36VDC peak or damage to the unit may result Apply power to the transmitter before connecting to USB You will not be able to configure or calibrate the unit without power also applied as this device does not use USB power Connect to PC via USB Connect the transmitter to the PC using the USB isolator and cables provided in Configuration Kit TTC SIP refer to Electrical Connections section You may omit the isolator if you are using a battery powered laptop PC to connect to the unit or if your input source is not already grounded Now that you have made your connections and applied power you can execute the TT337Config exe software to begin configuration of your unit software
54. ther Once you have selected a device click the Open button to open communication with the unit After clicking Open the selected unit s Model Serial Number Manufacturer and connection status message will be displayed as shown in the first screen on the next page TIP Always Close a connection with one device before selecting another device 17 http www acromag com Model TT337 0700 Configuration 11337 Configuration Software Communication Setup 1 0 Config Test Calibration DEVICE SELECT Device TT337 0700 1234567 v Model 17337 0700 Serial Number 1234567 Manufacturer Acromag Inc Status Device opened successfully 11337 Configuration Software Communication Setup I O Config Test Calibration CONFIGURE I O Input Range SV hee Input Filtering High i200m5 Output Range 20mA v Status No Error 1 0 Scaling 0 312 v 20mA Out 5 000 20mA Out Send 1 0 Config TEST I O start Poting Click Start Polling to poll the input and display its value The LED next to the button will flash when polling is active Click Stop Polling to discontinue polling the input Acromag Inc Tel 248 295 0880 Four Wire DC Voltage Transmitter w USB After you connect USB and Open communications with a unit the Status field indicates Device opened successfully as shown in the screen at left At this point you can click the I O Config Test tab to begin
55. tructions Output Output Cal Instructions FACTORY SETTINGS Restore Factory Calibration Restore to Factory Default CALIBRATION STATUS Factory Settings Calibration Status Acromag Inc Tel 248 295 0880 Four Wire DC Voltage Transmitter w USB CALIBRATION Output Click the Output Cal Instructions button to begin output calibration and enable the Output Zero and Full Scale buttons First adjust the input signal as necessary to drive the output signal to precisely the zero of your selected output range i e 20 000mA OMA 4 000mA 10V 5V or OV depending on your output range setting Be sure to measure this output level accurately or performance will be degraded After driving the output to its precise output range zero click the Output Zero button of the Calibration Output section to calibrate the output zero signal level Next adjust the input signal as necessary to drive the output signal to precisely the full scale of your selected output range i e 20 000mA 5V or 10V according to your output range setting Be sure to measure this output level accurately or performance will be degraded After driving the output to precisely full scale for the output range click the Output Full Scale button of the Calibration Output section to calibrate the output full scale signal level If your output acts erratic or appears imprecise you may need to repeat input or output calibration being v
56. tware Configuration Only via USB This transmitter drives an analog output current or voltage proportional to a sensor input based on the differential voltage measurement across the sensor voltage input at TB1 or TB2 No switches or potentiometers are used to make adjustments to this transmitter Its behavior as an isolated signal amplifier transducer is determined via programmed variables set using a temporary USB connection to a host computer or laptop running a Windows compatible configuration software program specific to the transmitter model This software provides the framework for digital control of all configuration and calibration parameters and this information is stored in non volatile memory Refer to Operation Step By Step in the Technical Reference section of this manual for detailed information on available software control of this model Acromag Inc Tel 248 295 0880 31 http www acromag com Model TT337 0700 Four Wire DC Voltage Transmitter w USB Revision History The following table show the revision history for this document Release Date EGR DOC Description of Revision 19 DEC 12 JEB KLK Initial Acromag release 26 JULY 13 CAP ARP Added UL Mark to this model removed pending refer to ECN 13G017 for additional information Added note to USB connections drawing refer to ECN 13F005 for additional information 16 DEC 13 JEB ARP Updated MTBF Numbers Removed P O Box from address Acromag Inc T

8500938C TT337-0700 User`s Manual

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