New Technology Meters NTM Series Common User`s Manual
Contents
1. n n nasua 9 3 2 Comm unicatino With th Unit u aaa 10 3 3 Sending Serial Commands EAEAN REREN E EA 10 4 Input Processing amp Transformation eda PR od nines 11 4 1 ct cy cien bu tans ERTER UD DU DUE 11 4 1 1 Linearization ODDS an u eoa ER aito E 12 4 1 2 D Ser BOauatibfi u u eine erue ONU PA CER IN Urea Eu Ci 14 4 1 3 Seale Abre 15 huay aan qa 16 4 2 BC CLOUD OUO TO OON 16 4 2 1 Checking Factory Calibration n na 17 4 2 2 Setting Factory Calibration n 17 4 2 3 Setting User ONDE NN OUR SUARUM EARS UR FEAR GS 19 3 Display TT 20 5 1 General Set p luas ars unasahasuniuswatasqhassanasaqauqpukpakatayakisaaaqyiayahukshu qa aqa 20 TERE 20 So IN pP S 20 5 2 Bargraph Se IUD coro bod aepo Un Stade acd oO gr DIR RON Dr nr NOU a Sect hl fana 20 2 2 1 Bargraph MOGE eau OD p tate q asas usun dass utet 20 3 222 Bargtaplt Sealed ua eeu tus tU ete ue eiue tom A nes E ALLEM2. FUNCTION EXAMPLE SOISETAI 1 This displays the current value for the second A variable in the polynomial table SETPANIC chn PanicState Sets the state of all outputs when the meter goes into a panicked state non defined outputs are set low Available parameters R n H L Sets relay n high or low D chn X Sets channel chn s DAC to value X SOISETPANICI RIR2DI15 When the meter panics relays 1 and 2 are set high and DACI will output 15mA for channel 1 SOISETPANICI Sets all outputs for channel 1 to low in a panic state SETPOINT chn n Or SETPOINT chn Sets the PID set point for each respective channel SOISETPOINTI 35 This will set the PID set point at 35 for channel 1 SOISETPOINT2 This will show the current set point value for channel 1 SETX chn n x Or SETX chn n This command sets the nth variable to the value specified by x in the X portion of the X Y table the values for x must be in increasing order as listed in terms of variable order x no lt x n lt 3 lt x n4 SOISETX201 This command will set the first x value in the linearization table to 1 for channel 2 SOISETXI 2 This displays the current value for the third x variable in the linearization table for channel 1 SETY n Ly Or SETY n This command sets the nth variable to the value specified b
3. DF TM USERS MANUAL FOR Si MODELS LISTED E mm lt CORP V1 0 8 14 PRELIMINARY FOR DISCUSSION New Technology Meters NTM Series Common User s Manual Transmitter NTM D 520 748 7900 4016 E Tennessee St 85714 U S A FAX 520 790 2808 Sa EE Tobson EMAIL sales otekcorp com c CORP http www otekcorp com NTT DINRAIL MOUNT HOW USE THIS MANUAL This manual is designed to familiarize the user with the NTM TNT and NTT series covering all of their standard features and their usage Due to the variety of options and displays that can be ordered portions of this manual may not apply Compare your model number to the ordering information for details For meter customizations contact OTEK at sales otekcorp com or 520 748 7900 Note To save time this manual is divided into two sections A Loop or Signal Power Section 1 2 1 B External Power Section 1 2 2 C Transmitters Section 1 2 3 ABOUT the NEW TECHNOLOGY series In 1974 we introduced the 1 loop powered LCD DPM In 1985 the 1 LED loop powered DPM In 1998 the 1 auto tricolor bargraph LCD loop powered bar meter In 2005 the 1 LED loop powered bar meter Now we bring you the culmination of 40 years dedicated to the POWER of the LOOP models use the same patent pending technology The TNT Technology New Transmitter is the combination of all of the above and packaged in a standard DIN Rail to bring
4. Table 13 2 Listing of all non alphabetical characters that can be displayed organized by ASCII value 25 7 2 Command Set 7 2 Command Set COMMAND ADBAND chn n Or ADBAND chn FUNCTION Sets the A D band If the difference between two consecutive readings exceeds the A D band averaging on the meter is reset 0 lt x 10 000 EXAMPLE SOLADBANDI 0 5 If the A D reading changes by 0 5 for channel 1 the running average displayed on the meter 15 reset SOLADBANDI This command will display the current value of the channel 1 A D band ADDR newaddress AVG chn n Or AVG chn Changes the unit s address The new address must be in ASCII and is limited to 8 characters If command is given without an argument the address 15 changed to NULL meaning the channel has no address Sets an average number of samples n and uses the result as the display value or value to send over serial port Valid arguments are 0 255 SAADDR45 This command changes the unit s address from A to 45 The unit will only respond when S45 precedes the command S45ADDR This sets the unit s address to NULL Even though the address is now NULL S must still precede every command sent to the unit 0 This turns the built in averaging off for channel 1 501 2 4 This activates the running averaging using 4 samples for channel 2 SOIAVGI This will display
5. 21 21 E 22 a aap 23 J Decimal Tp MARRE M NCMO 23 5 3 2 CHN Command u ea Dea a sen cerae 23 RETTIG 24 6 1 Troubleshooting Firmware amp 24 6 2 TNT amp NTT Transmitters Troubleshooting eee ete rettet enero toe a in 25 T IAppendiX S a tege dena hd tbid quos bac vete pe dus hi amata uuu ha 25 Tal Eook p TbleS su u dics Na East T ento east asta ava Sep Ein dax 25 PIS Alphabetical Characters uo oet n eet dece MR e e euet 25 7 1 2 Other Displayed Characters E pa enatis 25 m a aaa NM PD 26 TS BEPROM Settings auc oot e or ho arte eee dened eb tds M e e 44 8 Ordering Information Typical Connections amp Mounting 45 8 Ordering Information Typical Connections amp Mounting Continued 46 8 Ordering Information Typical Connections amp Mounting Continued 47 1 Introduction This manual covers several related products with application specific variations For ease of description in the manual products are categorized as follows Loop amp Signal Powered Display
6. This will show all the general configuration statuses for channel 2 STATUS chn n Or STATUS chn With polling disabled this command triggers the channel to send the last n numbers processed by the A D conversion Valid inputs range from 1 to 10 See POLL SOISTATUSI 4 After executing this command channel 1 will send back the last 4 values processed by the A D conversion SOISTATUSI This displays the current number of values that have yet to be returned for channel 1 STIMER n This will set the limit message timer at a value n many 100ms 41 SOISTIMER2 23 This will cause the limit message timer for channel 2 to be 23 100ms 2 3 seconds COMMAND FUNCTION Stops normal operation of the meter The meter will do nothing more than respond to button presses and serial commands EXAMPLE SOISTOP Stops the meter TARE chn ON OFF Or TARE chn Turning tare ON zeroes the A D reading by applying an offset equal to its current value This offset is applied until tare is turned off Valid arguments are ON or OFF SOITAREI ON If the current A D value was 200 and a subsequent value after the command was issued was 400 then the channel would show and transmit 200 SOITAREI This displays the current stare of the TARE function whether it is currently ON or OFF TUNIT chn x Sets temperature conversion of the reading of the meter assuming the input
7. Bee Decimal Decimal 65 97 41 61 A A 78 110 4E 6E n 66 98 42 62 B b 79 111 4 6 67 99 43 63 t 80 112 50 70 68 100 44 64 D d 81 113 51 71 Q 9 69 101 45 65 E E 82 1114 152 72 R E 70 102 46 66 F 83 115 53 73 5 5 71 103 47 67 G 84 116 54 74 T 72 104 48 68 H h 85 117 55 75 U T 73 105 49 69 I I 86 118 56 76 V u 74 106 4A 6A j d 87 119 157 177 W 75 107 4B 6B K P 88 1120158 78 X 4 76 108 4C 6C L L 89 121 59 79 Y y 77 109 D M a 90 122 60 70 Z Table 13 1 Alphabetical listing of all letters and how they displayed Capital and lower case letters appear identically 7 1 2 Other Displayed Characters Hexa A Hexa A Decimal ru m Decimal duet um Decimal Pen ASCII 32 20 BR 47 2F 62 gt CE 33 21 I 48 30 0 0 63 34 22 T ut 49 31 1 l 64 40 9 35 23 H 50 32 2 e 91 5B 36 24 5 51 33 3 3 92 5C 4 37 25 42 34 4 93 50 1 2 38 26 amp 53 35 5 5 94 5E 39 27 54 36 6 95 5 zo 40 28 E 55 37 7 1 96 60 41 29 E 56 38 8 B 123 7B A 42 2A 57 39 9 9 124 7C d 43 2B 4 58 3A 125 7D 9 44 2 59 3B I 126 7E l 45 2D 0 60 3C r 46 2E 61 3D
8. CMD chn limit cmd Sets a command to when the limit is passed allowable limit inputs include HH H L LL and PANIC SOICMDIHH DINT3 Sets command to DINT1 to channel 175 HiHi limit when channel 175 HiHi is exceeded the DINTI command will be executed changing the display intensity of the channel a bargraph to 3 SOICMD2LL FLASHION Sets command to FLASHION to channel 2 s LoLo limit when channel 2 s LoLo is exceeded the FLASHION command will be executing causing the display to flash for channel 1 DAC chn n Or DAC chn ON OFF Sets the DAC output to value Also sets the ON OFF status of the DAC 28 SOIDACI 15 This will set the output value of the DAC to 15 COMMAND Or DAC chn FUNCTION EXAMPLE mA SOIDACI This will display the current state of the DAC and the output value DCOLOR chn color OR DCOLOR chn Changes the color of the bargraph or backlight when a limit is not being exceeded i e the color when the channel is in a normal state The colors are Red Amber and Green SOIDCOLORIR This will change the bargraph display color to red for channel I when a limit is not being exceeded SOIDCOLORI This will display the current bargraph display color DEFAULT Resets the unit back to its factory defaults This command has no arguments SOIDEFAULT This will reset the unit DELAYT chn limit n Or DELAY T chn limit C
9. OUT 1 74x5 42 NOTE INDUSTRAIAL HAS EURO PLUG CONNECTORS MIL OR EPRI HAS FILTERED TERMINAL CONNECTORS DEPTH VARIES WITH OPTION MAX 3 OPTION 2 2 84X5 7 Bezel Mechanical FRONT VIEW REAR VIEW OPTION 3 ANSI 4 Switchboard Mechanical NTM 3 amp NTM M N MECHANICAL INFORMATION SEE NOTE 5 Los 3 375 85 2MM SQR CONNECTORS 5 70 amp ADJUSTMENT AREA 3 HX2 5 W SIDE VIEW FRONT VIEW SIDE VIEW REAR VIEW F 87TBSME DEPTH XXD 1 xC 3 5 400 su sr lot NOTES 1 ANSI 4 3 375 CASE CAN ALSO BE MOUNTED IN 1 4 DIN PANEL CUTOUT 2 CONNECTORS AND 3 375 STUDS SPACING MEET ANSI39 1 STANDARD FOR SWITCHBOARD METERS CONNECTORS FALL WITHIN EXISTING BARREL CUTOUT 3 WIRE 26 16GA 4 SHIELDED VERSIONS WILL EXTEND 2 BEHIND THE PANEL 5 PLASTIC IS 1 THICK METAL IS 0 7 THICK Panel Cutout 5 42x2 70 Depth 1 Display Only 3 Controller 48 TECHNOLOGY MECHANICAL amp MOUNTING INFORMATION BY CASE STYLE Digit 4 amp Option OPTION 4 OPTION 5 11 3x 1 4 Bezel Mechanical 3x6 Bezel Mechanical FRONT VIEN SP VEN EAR VIEW TYMCAL CONNECTIONS 11 225 Mounting 1 REMOVE FILTER 2 TWIST MOUNTING TABS 2 CLOCKWISE 3 REPLACE FILTER 0250 ke 2812 1 420 PANEL CUT OUT 3 5 67 OPTION 6 OPTION 7 7x1 4 Bezel Mechanical 7 2x2 8 Bezel Mechanical FWRUMT wr PANEL CUT OUT 2 65x5 50 PANEL CUT OUT
10. being the first X value greater than the input m Y Y gt Xi 0 10 4 12 m 5 4 This slope is then plugged into the following equation along with either of the previously used points to calculate the offset b Y m X b 0 5 4 4 b b 5 Any value between X 4 and X 12 can be determined with the following equation Y 5 4 X 5 13 Output 5 4 Input 5 Use the value 8 to verify the result in Table 5 2 Output 5 4 8 5 Output 5 4 1 1 2 User Defined Polynomial The user defined polynomial PZ is a single segment 9 order polynomial defined by its coefficients in the form 6 2 where Y is the output and X is the input The current values of these coefficients can be viewed with the SHOWPOLY command and the entire set can be written with the SETP command To change an individual coefficient use the SETA command 4 1 1 3 Thermocouple models have built in thermocouple linearization for J K and T type thermocouples When using one of these sensors this functionality makes linearization possible in one command For other types of thermocouples an X Y table can be used 4 1 1 4 RTD Two resistance temperature detector types are supported ANSI 0 00392 and DIN 0 00385 Select one with a LIN command or set up an X Y table to linearize other types For other contact typ
11. housing SOIRESET This will perform a software reset of the device RESPONSE response type Or RESPONSE This will set the response type of the meter NONE NET LOC LONG SOIRESPONSELONG This will set the response type of the meter to long giving more descriptive longer response to the user for mistyped commands and other information SOIRESPONSE This will return the current response type of the meter RUNTIME ON OFF Or RUNTIME RUN Enables or disables the runtime of the meter This will display the time at which each channel measurement is taken e g when polling is off and runtime is on for a two channel unit the unit will send 0 06 39 25 45 67 89 through the serial communication port Brings the meter out of a stopped or panicked state SOIRUNTIMEON This will enable the runtime of the meter SOIRUNTIME This displays the current runtime of the meter SOIRUN Causes the meter to resume normal operation R chn n H L Sets relay n high or low If a rela 38 SOIRI2H FUNCTION state 15 defined as a smart alarm action it cannot be controlled until channel reading is disabled through the command EXAMPLE Sets channel 15 R2 toa high state if R1 is not controlled through smart alarming SA chn trigger actions Defines what actions a meter should take when the listed trigger takes place Triggers N No limits are exceed
12. limit changes color 31 SOIDSYMI ON This will have the channel s entire bargraph change to the limit color for channel 1 FUNCTION EXAMPLE SOIDSYMI This displays the current display symmetry state EQN chn variable equation Defines an equation to use in calculations The equations can be used to adjust the following variables of channel chn CH channel DAC HH H L LL and SETP setpoint Valid numerical operations include the following SIN COS TAN ASIN ACOS ATAN SINH COSH TANH ABS SORT EXP LN and LOG Variables may also be used in other variable equations SOIEQNIHH CH1 55 This will assign the equation CH 1 55 to the channel 1 HiHi limit The HiHi limit will actively change depending on the equation which is the channel 1 value plus 55 FIX n Or FIX Formats numbers for all channels on the serial port to have a fixed number of digits to the right of the decimal point Valid values are 0 lt nz SOIFIXI This will assign numbers to have one decimal point at the serial port SOLFIX This will display the current number of digits being displayed after the decimal point for values sent through the serial port FLASH chn n Or FLASH chn ON OFF Or FLASH chn Enables display flashing and flash rate When enabled the bargraph will flash where 0 is one cycle per 2 seconds and 9 is 4 cycles per second 0 lt n lt 9 SOIFL
13. marked with a small group of LEDs instead of a continuous full bargraph This can be 1 3 or 5 adjacent LEDs Set the mode with the DMODE command DMODE BOT TOP BI P lt 1 3 5 gt Sets the display mode to Bottom to Top BOT Top to Bottom TOP Bi directional BI or Pointer P 5 2 2 Bargraph Scale The range of values displayed on a bargraph is determined by its Bargraph Full Scale BFS and Bargraph Zero BZ parameters BFS determines the maximum number a bargraph can display before all segments are illuminated BZ sets the value at which bargraph segments begin illumination at the BZ value only the bottom segment will be illuminated For example setting BFS to 200 and BZ to 100 will set the display range from 100 to 200 An input of 150 would light half of the bargraph s bars Use these commands to set the scale BFS lt CHANNEL gt FFFF BZ CHANNEL gt FFFF Sets BFS to Sets BZ to FFFF When using bi directional mode the bargraph will illuminate up to the BFS value or down to the BZ value To set from where the segments begin to light use the BO command BO lt CHANNEL gt FFFF Sets the bargraph origin to FFF F The bargraph origin applies only to displays in bi directional mode 5 2 3 Limits Limits set with the HH H L and LL commands will by default be shown as an illuminated LED on the bargraph Their specific location depends on the BFS and BZ values If a limit is outside the range of BFS the top
14. on the ordering information selected 1 3 1 Color Changing Bargraph Display The digital bargraph is used to simulate older analog meters 51 segments allow for a quick qualitative understanding of the process level and automatic color changing makes alarm states and ranges visible from afar Default bargraph colors include red amber and yellow and modes include draw from top draw from bottom draw from center or 1 3 or 5 segment mode configurations are accessible via the serial port 1 3 2 Four Digit Digital Display The digital display allows for far higher precision than a needle or bargraph display With a display range from 1999 to 9999 and a configurable decimal point the digital display allows processes to be more safely run at optimal levels The digital display is also capable of displaying most ASCII characters allowing warning messages to be displayed to the operator 1 3 3 Isolated Serial Communications models are configured through a serial port using USB ETHERNET IRDA or RS485 interfacing Because the communication is isolated the meter can remain in operation while connected to a serial network without risking ground loops or potential damage to either the current loop or network transmitter While networked the meter is capable of logging data showing its status and having its configuration changed 1 3 4 Input Transformation 4 20mA transmitters are used widely and each output has a specific meani
15. the current average number of samples taken for channel 1 BAUD baud rate Or BAUD Changes the baud rate of the unit After execution of this command the channel changes its baud rate immediately so the subsequent commands must be sent with the 26 S01BAUD19200 This changes the unit s baud rate to 19200 SOIBAUD COMMAND FUNCTION new baud rate The default baud rate 15 9600 and valid arguments are 1200 2400 4800 9600 19200 or 19 2K Don t forget to change your PC s baud rate EXAMPLE This will display the current baud rate for the unit BFS chn n Or BFS chn Controls the bargraph s full scale or the maximum value the bargraph can display This command only affects the bargraph See DMODE for different bargraph display options SOIBFSI 5 This command will change the bargraph full scale to 5 for channel 1 SOIBFSI This will display the current bargraph full scale for channel 1 BO chn n Or BO chn Sets the bargraph origin This value only applies in bi directional display mode and is the value from which the bargraph is initially drawn up or down SO1BOI 15 This will cause the bargraph to be drawn from the location 15 on the display for channel 1 Values below 15 will be drawn downward values above it will be drawn upward S01BOI This will display the current bargraph origin for channel BZ chn n Or BZ chn Controls the bargraph zero
16. the system of equations to find GACO and OFCO 4 20 0 4 1 26 6667 OFCO 4 26 6667 0 4 6 6667 4 The following 2 commands will set the factory calibration values for channel 1 1 1 calculated value 1OFCO1 calculated value 5 Apply a 4 20 mA signal to meter should display 4 at 4mA and 20 at 20mA If not carefully repeat the procedure making sure that both user and factory calibration settings are reset 6 We now need to save the current calibration Do this with a WRITE command 18 SIWRITE The unit will respond with the text Done when the calibration is saved 4 2 3 Setting User Calibration To most easily re calibrate the unit the user calibration values must be reset The following 2 commands will clear out the user calibration data for channel 1 The command is analogous for channels 2 and 3 SISCALE1 1 sets user scale factor for channel 1 to 1 S1OFFSET1 0 sets user offset for channel 1 to 0 To calculate the new Scale and Offset values use the following table and system of equations Desired Display Displayed Value Value Desiredui Table 4 3 Guideline for establishing user calibration Scale Desiredy Desiredi o Dispur Dispro Offset SCALE Dispro Example Note This example assumes that a 4 20 mA input will map to a 0 100 reading For other i
17. 1 35x6 30 DEPTH 1 DISPLAY ONLY DEPTH DISPLAY ONLY 2 CONTROLLER 3 CONTROLLER 49 NEW TECHNOLOGY MECHANICAL amp MOUNTING INFORMATION BY CASE STYLE Digit 4 amp Option NTMTM OPTION 8 6 3x2 8 Bezel Mechanical REAR VIEW FRONT VIEW SIDE VIEW 0 425 0571 1 PANEL CUT OUT 2 65 5 50 DEPTH 17 DISPLAY ONLY 3 CONTROLLER OPTION 9 EPRI 6x1 74 Bezel Mechanical LPD 9 MECHANICAL INFORMATION EPRI ide NOTE DISPLAYS ARE 1 DEEP CONTROLLERS ARE 2 3 DEEP TRON PLATES 1745 TYPICAL CONNECTIONS 4 REAR VIEW OPTIONAL POWER PANEL CUTOUT DIMENSIONS DIMENSION 003 E 57 UNITS 1 4496 2 89 41 1 17755 MAX PANEL THICKNESS 0 250 5 221 74 PANEL CUT OUT 1 70x5 70 DEPTH 3 50 OPTION 9 Industrial 6x1 74 Bezel Mechanical Industrial WITHOUT TRIM PLATES TYPICAL CONNECTIONS 7 SIDE VIEW 6 0 2 16 PANEL CUTOUT DIMENSIONS NOTE DISPLAYS ARE 1 DEEP CONTROLLERS ARE 2 3 DEEP PANEL CUT OUT 1 70 5 70 DEPTH VARIES W OPTIONS MAX 3 OPTION A 1 4 DIN 3 8x3 8 Bezel Mechanical PANEL CUTOUT 3 625 X 3 625 82mm X 92mm NOTES 1 DISPLAY AREA VARIES WITH MODEL MAX PANEL THICKNESS 3 4 19mm 3 78 soq T Hor 96X96 mm 0 20 Connectors DON T REVERSE A amp V MIDDLE BOTTOM TOP MID
18. 20 seconds after loss of signal LOOP ADC amp gt FAILURE DETECTION CPU DISPLAY v LOOP ISOLATED NETWORK Figure 1 Block diagram of Powerless NTM component interactions 1 2 2 External Power These models have additional functionality over their display only equivalents including relay outputs DACs PID control and more than 30 types of signal inputs Though these units are low power the nature of some available signals and outputs demands that this line of products uses an external power supply With a 4 20mA DAC these products can be used as transmitters and they can be used in conjunction with a display unit for long distance low power industrial supervision solutions Isolated Ethernet IRDA and uSD memory and USB and RS485 are all optional some models The complete command set is included so you can control your process locally or around the globe 1 2 3 Process Transmitters You can use any external power NTM as a transmitter by selecting option 1 3 5 or 7 on digit 12 of the ordering information But if you want a dedicated and plug and play transmitter the TNT is a 1 8 DIN DIN rail mount and the NTT is panel mount with a built in potentiometer for manual control PID and or serial input control from your SCADA DCS Please reference Section 6 2 for additional information 1 3 Features models offer the features listed below only limited by the mechanical package Digit 4
19. ASHI 5 This will change the flash rate for the channel 1 bargraph and digits to approximately once per second SOIFLASHI ON This will cause the entire channel 1 bargraph and digits to flash at the current flash rate SOIFLASH2 This displays the current flash rate and flashing status for channel 2 HD chn color Changes the Hi limit alarm color 32 SOIHDIA COMMAND Or HD chn FUNCTION When the limit is exceeded the bargraph uses this color Color Red Amber Green EXAMPLE This command will change the Hi limit color to amber SOIHDI This displays the current Hi limit alarm color for channel 1 Prints a list of commands and their descriptions SOIHELP The channel will respond with a list of all commands HHD chn color Or HHD chn Changes the HiHi limit alarm color When the limit is exceeded the bargraph uses this color The colors are Red Amber and Green SOIHHDIR This command will change the HiHi limit color to red SOIHHDI This displays the current HiHi limit alarm color for channel 1 HH chn n Or HH chn HOLD chn ON OFF Or HOLD chn Sets the HiHi limit 1999 lt lt 9999 gt H gt L gt LL Holds last displayed value by turning off the A D converter Valid commands are ON or OFF SOIHHI 95 This changes the HiHi limit value to 95 The HiHi limit is 90 by default SOIHHI This displays the current HiHi limit
20. DLE 1 1 121 aig vac WIRE GUAGE 16 26AWG 12 NOTES 1 USE 10A FUSE FOR AMPS 8 1A FOR VOLTS 2 USE 5A C T amp 120V PT 3 SHOWN FOR 3 FOR 1 ONLY THE MIDDLE CONNECTORS ARE INCLUDED NTM NEW TECHNOLOGY MECHANICAL amp MOUNTING INFORMATION BY CASE STYLE Digit 4 amp Option OPTION D 3 1 2 Analog Meter Case Mechanical OPTION F Flat Pack 2x3 Mechanical t 1520 APPLY ADHESIVE AGAINST 1225 9 PANEL HERE EH abs DISPLAY Mounting Instructions 1 Drill a 3 8 1 2 diameter hole 2 Attach supplied double sided tape to back of it 3 Pass wires through hole 4 Align and Press NTM F on panel that is all 5 Don t pull on wires 26 gage NO PANEL CUT OUT SIDE VIEW FRONT VIEW DISPLAY AREA REAR VIEW HOLE DIAMETER 2 75 MTG HOLES 4 0 15 M TUCSON AZ 224 NOTE ZERO SPAN amp faze SERIAL I O ARE BEHIND RA 4 THE COVER OPTIONS M amp N OPTION L ANSI 4 Switchboard Mechanical 2 9x1 5 Bezel Mechanical NTM 3 amp NTM M N MECHANICAL INFORMATION SEE NOTE 5 Qi2s R 880 s l H 70 3 375 85 2MM SOR TOP VIEW FRONT VIEW 2 252 1 593 CONNECTORS amp ADJUSTMENT AREA 4 35 3 HX25 W CENTERED 0 218 0 150 L 0 FRONT VIEW SIDE VIEW REAR VIEW F 87TBSME REAR VIEW SIDE VIEW NOTES 1 ANSI 4 3 375 CASE CAN ALS
21. IOVERRANGEI 135 This will change the value to which the reading is considered over range to 135 for channel 1 COMMAND FUNCTION range is on The over ranging message on the 4 7 segment digits are controlled by the M command EXAMPLE SOIOVERRANGEI ON This enables the over range function so that when the reading 15 over the over range value the digits will display the over range message for channel 1 SOIOVERRANGEI This will show the over range value and the status of the over range function for channel 1 Puts the meter in its panic state The panic state is defined using the SETPANIC command SOIPANIC Puts the meter in a panic state PASSWORD XXXX Used to either set a password or enable password protection of the menu system password can be up to 16 ASCII characters in length When a new password is entered the unit will wait for approximately 25 seconds before locking out the user It will then prompt the user for the address and password If the unit s address is S01 and the password entered is 1234 to unlock the unit enter S011234 and then the unit will be unlocked for another 25 seconds before locking out the user again SOIPASSWORDOTEK Enables password protection and sets the password to SOIPASSWORD This will create disable the password functionality of the unit by placing in an empty password PEAK chn ON OFF Or PEAK chn Turns peak detec
22. O BE MOUNTED IN 1 4 DIN PANEL CUTOUT 2 CONNECTORS AND 3 375 STUDS SPACING MEET ANSI39 1 STANDARD FOR SWITCHBOARD METERS CONNECTORS FALL WITHIN EXISTING BARREL CUTOUT 3 WIRE 26 16GA 4 SHIELDED VERSIONS WILL EXTEND 2 BEHIND THE PANEL 5 PLASTIC IS 1 THICK METAL IS 0 7 THICK ZZ CONNECTOR PLUG IN SCREW TERMINAL 26 18 GA 51 NTM NEW TECHNOLOGY MECHANICAL amp MOUNTING INFORMATION BY CASE STYLE Digit 4 amp Option OPTION P OPTION S 6 6x1 4 Bezel Mechanical 6 x1 Bezel Mechanical FRONT SIDE REAR PANEL CUTOUT SIDE VIEW FRONT VIEW 545 6 60 Span Adjust Zero Adjust Mounting Holes 2 0 156 Diameter NOTES 1 MOUNTING HOLES 2 FOR 4 CLEARANCE HARDWARE SUPPLIED 2 WIRE SIZE ACCEPTED gt 24 16GA 3 ALL DIM 0 010 4 FOR STACKED APPLICATIONS MAKE MOUNTING HOLES ON 105 CENTERS 5 METER DISPLAY ONLY 0 75 DEEP CONTROLLER 177 DEEP PANEL CUT OUT 1 06x5 60 PANEL CUT OUT 95x5 45 OPTION X 4x4 Explosion Proof Mechanical 93mm 3 7 SSS 45mm 01 8 SSSSSSSSSSSSNS Z SIDE VIEW OF HOUSING FOR MOUNTING ON 3 4 NPT PIPE TOP VIEW OF HOUSING 52
23. On DLFLASH Linearization Option None LIN Limit Marks On DLIM Table 0 0 for all entries SETT Display Symmetry Off DSYM Polynomial 0 0 for all entries SETP Bargraph Color Green DCOLOR Peak Off PEAK HH Color Red HHD Hold Off HOLD H Color Amber HD Averaging 0 Samples AVG L Color Amber LD A D Band 0 0 ADBAND LL Color Red LLD Temperature Conversion None TUNIT IDelay 0 0 Seconds IDELAY Units Blank UNITS SD Card Log Interval 1 Second LOGTIME A D Range High RANGE SD Card Logging Off DLOG DAC High Limit 24mA DH Date Format YYYY MM DD DATE DAC Low Limit DL Time Format 24 hour TIME DAC Scale 1 0 DSCALE Smart Alarm R2H SA DAC Offset 0 0 DOFFSET LLI Smart Alarm R4H SA Running On RUN STOP Alarms January 1 2000 ALARM Commands All Blank CMD NORM Smart Alarm All outputs low SA Smart Alarm RIH SA L1 Smart Alarm R3H SA Table 13 4 Listing of user defined values saved to EEPROM 44 8 Ordering Information Typical Connections amp Mounting Continued NTW NEW TECHNOLOGY HOUSING ENVIRONMENTAL SPECIFICATIONS METERS amp CONTROLLERS Housing Digit 4 Option 0 3 8x1 9 1 8 DIN Plastic or Metal Option 1 5 7x1 9 Metal Option 2 5 7x2 84 Metal Option 3 4 ANSI Switchboard Plastic or Metal Option 4 1 4 x11 Plastic or Metal Option 5 3x6 Plastic or Metal Option 6 7x1 4 Metal Option 7 7 2x2 8 Metal Option 8 6 3x2 8 Metal Option 9 6x1 74 Plastic or Me
24. address when sending commands Check connections between unit and input signal Check Figure 2 1 for signal input location Unit stalls on power up Check that a power on delay hasn t been set using the POR command Displays read The unit is reading a signal value too large or too small Confirm your calibration and linearization settings through methods described in Section 4 No display Signal Fail Message No signal or power The signal fail detector needs 10 minutes of signal at 71 2 full scale to operate See DINT command Scale or Offset Wrong Apply zero or equivalent signal and adjust ZERO potentiometer to desired value apply full scale signal and adjust SPAN potentiometer to desired value or use SCALE amp OFFSET commands Always do ZERO before span Repeat if required No Serial I O Erratic Display USB RS485 amp Ethernet are required to supply 5V 3mA to power the internal isolator on all loop signal powered models All other require external power Unstable signal A 0 luF across inputs is helpful Use a twisted and shielded pair of wires for noisy environments For internal failure contact OTEK and request an RMA The unit has a lifetime warranty Can t Communicate With Other Channels No channels exist Check the model part number to the ordering information at the end of this manual Check if the unit 15 addressed correctly see command Ch On Off Serial I O is isolated fr
25. al port 0 TOO HIGH This will cause channel 1 to contain the message HIGH when the HiHi limit is passed on channel 1 501 1 OFF This turns off messages from appearing on the serial port S01MI This displays the current status of message whether or not it is ON and will transmit valid messages which are passed the respective limit points or OFF Sets the unit in networked mode The channel will only respond when it is directly queried SOINET This command will cause the channel to only respond when it is directly queried NEW chn MIN MAX This function will reset the current new min and max value depending on the given input argument SOINEWIMIN This will reset the min value for channel 1 SOINEW2MAX This will reset the max value For channel 2 OFFSET chn n OVERRANGE chn n Or OVERRANGE chn ON OFF Or OVERRANGE chn Adds the offset specified to the value processed by the A D conversion This command can be used just like the hardware offset Valid arguments are all numbers in the range 1999 to 9999 This will manipulate the over ranging message and when it is activated An over ranging value of n can be input that when passed it will cause the over ranging message to appear on the digits if the over 36 SOLOFFSET1 100 This will offset the number displayed by 100 SOLOFFSET1 12 5 This will decrease the displayed value by 12 5 SO
26. amp Serial I O Only External Powered I O Functions Available Process Transmitters All I O Functions Available 1 1 Purpose The 4 20mA current loop has proven to be a simple effective and reliable means of transmitting electronic signals and power on a single pair of wires Since current is constant for all points in a loop current loops can transmit lossless signals over kilometers of wiring Large facilities have widely adopted the 4 20mA signal as a primary means of data transmission to ensure signal integrity Often these signals are received by an analog meter where the indicating needle reflects the intensity of the flow of current through it The loop itself powers the mechanism that moves the needle no external or additional power is required This setup is simple and convenient but the application is mostly limited to basic display functionality Mechanical failures of the meter or a failure in the loop can be impossible to detect when the only level of human machine interfacing HMI is the position of a needle Advances in technology have started a push toward digital instrumentation Digital meters allow for higher precision through digit based displays better visibility with light emitting diodes LEDs clearer trend indication with color configurability integration into networks through serial interfacing and many more benefits These come with a significant drawback however digital meters draw far more power tha
27. ctional for channel 1 SO0IDMODEI This displays the current format of the bargraph for channel 1 DOFFSET chn n Or DOFFSET chn Offsets the DAC output By default this is 0mA and 4 20mA in equals 4 20mA out 1999 lt n x 9999 DAC output DSCALE INPUT DOFFSET SOIDOFFSETI 4 This command will offset the DAC 4Ma for channel 1 If your output is 4mA at default settings executing this command will result in an output of 8mA SOIDOFFSETI This displays the current DAC offset value DSCALE chn n Or DSCALE chn Scales the DAC output By default this is 1 and 4 20mA in equals 4 20mA out 1999 lt x 9999 DAC output DSCALE INPUT DOFFSET SOIDSCALE2 This command will scale the DAC by a factor of 2 If your output was 3mA executing this command would shift the output to 6mA This scaling takes place before DOFFSET 15 applied SOIDSCALEI This displays the current DAC scale value DSCI chn ON OFF Or DSCI chn Changes the digits to display the channel value in scientific notation In order to change out of this method of display another type of method of display must be input such as DFIX SOIDSCIION or SIDSCII Changes the channel 1 digit display to scientific notation DSYM chn ON OFF Or DSYM chn Enables display symmetry When enabled a bargraph fully changes its color to the limit it exceeds When disabled only the portion beyond the
28. d map to 0 100 on the display The spreadsheet found at http www otekcorp com content configuration guides is designed to simplify the process of calculating the scale and offset values needed If preferred the calculation can be performed by hand using the method illustrated in Section 4 3 1 Calibration values are changed through the serial port To communicate with the meter you will need a computer with a terminal emulation program Windows XP comes standard with HyperTerminal M but many other programs are available The default communication settings required are 9600 baud 8 data bits no parity bit 1 stop bit and no flow control Usually when connecting to the DB 9 in the back of the computer this is COM Port 1 For further information about serial communication refer to Section 3 Before beginning it is recommended that the old calibration settings be written down so the current state can be returned to The following commands will display the calibration information for unit 1 CHANNEL gt SLSHOW 4 2 1 Checking Factory Calibration To check the factory calibration user calibration settings must be undone If these values are saved to EEPROM they will be restored if the unit is reset This example if for a unit of address 1 but the procedure is analogous for all channels The following 2 commands will clear out the user calibration data for unit 1 SISCALE1 1 sets user Scale for unit 1 to 1 S1OFFSET1 0 sets use
29. e High High color with the HHD command HHD CHANNEL gt 6 R A Sets the High High color to Green Red or Amber High limit breaking If a channel reading passes the High limit segments beyond the limit will change to the High color Set the High color with the HD command HD CHANNEL gt G R A Sets the High color to Green Red or Amber Low limit breaking If a channel reading passes below the Low limit segments beyond the limit will change to the Low color Set the Low color with the LD command LD CHANNEL gt G A 22 Sets Low color to Green Red or Amber Low Low limit breaking If a channel reading passes below the Low Low limit segments beyond the limit will change to the Low Low color Set the Low Low color with the LLD command LLD CHANNEL gt G A Sets the Low Low color to Green Red or Amber 5 3 Digit Setup 5 3 1 Decimal Fix For readability of the display the decimal point is fixed Set the decimal point based on the magnitude of the input signal To adjust the decimal point position use the DFIX command DFIX CHANNEL gt 0 1 2 3 Sets the number of digits following a decimal point to 0 1 2 or 3 If a number is too large to fit on a display the bargraph will operate as normal but the display will read our for over range or Und for under range 5 3 2 CHN Command When channel reading is turned off displays by default go blank In this state the display
30. ed lim The given limit of the given channel is exceeded Actions R n H L Sets a relay high or low SOISAIN RIL R2L Relays 1 and 2 will be set low when no limits are exceeded SCALE chn n Or SCALE chn Scales the displayed output using a multiplying factor This can be used in a similar way as the hardware scale The final result is in the form A D result scale displayed value Valid arguments are 1999 to 9999 excluding 0 SOISCALEI 2 This command will multiply the final A D result by a factor of 2 SOISCALEI This displays the current scaling output used on the A D reading SCI chn This will format the data sent over the serial port to be in the form of scientific notation This command changes the format into scientific notation and the user must define a different command to change the formatting of the digits e g FIX SOISCII This will cause the data sent over the serial port to be in scientific notation for channel 1 SEND chn n Runs the main loop if it had been halted It will run it for channel chn for n loops It can send up to 255 values SOISENDI 100 This will run the main loop for channel 1 100 times SETA chn n x Or SETA chn n Sets the coefficients of the user polynomial The polynomial is of the form OUTPUT 39 SOISETAI 0 2 3 This would set Ao term for channel 1 of the polynomial to 2 3
31. er and the input value For example to change hysteresis on channel 1 s High High limit to 3 one would issue the command 10 SLHYSTHH1 3 with a space between the 1 and the 3 If no space is found the user will be prompted with an error See Section 7 2 for command usage details lt CR gt This argument is always a carriage return lt CR gt If using a terminal emulator with a keyboard CR is sent when the ENTER key is pressed When a meter reads a lt CR gt the command is parsed and executed Commands not accepted or not understood will be answered with a question mark To change the unit s address one would use the following command SLADDRTANK1 lt CR gt This would change the channel address from the default of 1 to All commands sent to this specific meter must begin with the text STANK1 to be recognized Serial communication is the primary means of meter configuration Before changing anything make sure to print the unit s present configuration for reference or backup This can be done with the SHOW command S lt ADDRESS gt SHOW lt CHANNEL gt lt CR gt Issuing a WRITE command will save the unit s current configuration After writing all previously written settings will be overwritten so make sure the unit behaves in the desired manner before permanently erasing previous settings 4 Input Processing amp Transformation 4 1 Channel Inputs By default all un
32. es including 10 Ohm copper RTD contact Otek 4 1 2 User Equation If a smooth mathematical model can be used to linearize an input signal use the built in equations to model the curve To set up an equation to transform input data use the EQN command EQN equation Sets a linearization equation with which to convert input data Operators and their priorities are listed in table 5 3 Be sure to remember the order of operations when entering an equation 14 Operator Mathematical Text Operation Addition Subtraction Multiplication Division Modulus Power SQRT ARG VARG SIN ARG Sine ARG COS ARG Cosine ARG TAN ARG Tangent ARG ASIN ARG Arcsine ARG ACOS ARG Arccosine ARG ATAN ARG Arctangent ARG HSIN ARG Hyperbolic sine ARG HCOS ARG Hyperbolic cosine ARG HTAN ARG Hyperbolic tangent ARG ABS ARG Absolute value ARG LN ARG log ARG LOG ARG logio ARG LOGX ARG EXP ARG Table 5 3 Listing of available operations in the EQN command Priority SIN N 4 1 3 Scale amp Offset Beyond the linearization stage data can further be manipulated to shift it to a specific range All data is pushed through a multiplicative scale factor default 1 This value is used to increase or decrease the output range of the signal through direct multiplication For example an input that by default cor
33. g Y value is obtained through interpolation The current user table can be seen with the SHOWTABLE command and the entire table can be set with the SETT command To enter or modify a single table entry use the SETX and SETY commands SETX n m SETY n m Sets entry n to value m Sets entry n to value m 12 In order to process inputs quickly meter requires X coordinates to be in ascending order The first X coordinate that is smaller than the previous X coordinate will mark the end of the table This is useful for defining tables with fewer than 25 points For example to use a 3 point table the following coordinates could be entered Coordinate Table 5 1 Example of X Y linearization table The following table shows the input to output correlation from the above table OUTPUT 0 Table 5 2 Example of use of table values in Table 5 1 The table works as an approximation of a complex curve To calculate a value from the table each adjacent pair of points is treated as if a straight line connects them While the overall function may not be linear the interpolation between two points is and a point value is determined from this local linearization This example illustrates how to calculate an expected output value based on a given input The first step is to calculate the slope m of the line Use the following equation with X being the first X value less than the input and X
34. ilable and how to set the display up to a user s preferences 5 1 General Setup 5 1 1 Intensity The units display have variable intensity Use the DINT command to change the LED brightness 1 2 3 4 5 6 7 8 9 Sets the display intensity from 0 off to 9 brightest 5 1 2 Flashing Some applications demand immediate attention if a limit is to be exceeded In addition to color adjustment Limit Flashing can be enabled causing the bargraph to flash when a limit is exceeded to better grab an operator s attention Limit Flashing is controlled with two commands DLFLASH Turns Limit Flashing on DLNFLASH Turns Limit Flashing off 5 2 Bargraph Setup 5 2 1 Bargraph Mode The bargraph can be drawn in three modes to suit different display ranges Bottom to top top to bottom and bi directional 20 Bottom to top left to right mode Bargraph LEDs begin illumination from the bottom of the bargraph Increasing the signal value will illuminate LEDs higher on the bargraph Top to bottom right to left mode Bargraph LEDs begin illumination at the top of the bargraph Increasing signal illuminates LEDs downward Bi directional center zero mode Bargraph LEDs begin illumination at a user defined bargraph origin An input corresponding to a reading lower than the bargraph origin will illuminate LEDs downward from the origin whereas a larger input will illuminate LEDs upward from the origin Pointer mode The signal is
35. is in C Valid arguments are C F and K SOITUNITI Converts the input from C to F SOITUNITI C Removes temperature conversion from the input UNDERRANGE chn n Or UNDERRANGE chn ON OFF Or UNDERRANGE chn This will manipulate the over ranging message and when it is activated An over ranging value of n can be input that when passed it will cause the over ranging message to appear on the digits if the over range 15 on 42 SOIUNDERRANGEI 135 This will change the value to which the reading is considered over range to 135 for channel 1 SOIUNDERRANGE ON This enables the over range function so that when the reading 15 over the over range value the digits will display the over range message for channel 1 SOIUNDERRANGEI This will show the over range value and the status of the over range function for channel 1 UNITID ON OFF Or UNITID FUNCTION This will enable or disable whether the unit address will precede all polled channel values sent from the unit EXAMPLE SOIUNITIDON This will cause the unit to send its address prior to every value SOIUNITID This will display the current status of the UNITID function UNITS chn unit Or UNITS chn This will assign a unit to the values sent from the channel Each channel has its own units SOIUNITSI FEET This will assign the units to the channel 1 values SOIUNITSI This
36. its have a linear mapping of the magnitude of their sensor input to the value displayed How a sensor s output varies with its input can be obtuse however many sensors give nonlinear relations Several types of input linearizations are therefore accessible to translate analog readings to a useful metric The general sequence of their application is described as follows 11 Calibration Figure 2 Flow diagram of input manipulation Lineanzaiton Option Display Serial Port Equations Calibrations are set at factory and need not be adjusted The remaining input transformations are described throughout the section 4 1 1 Linearization Options There are five primary initial linearization options None User Table User Polynomial Thermocouple RTD These settings are exclusive only one can be enabled at a time The linearization method used by the meter is determined with the LIN command LIN OFF PZ TZ SENSOR TYPE TZ user table PZ user polynomial RTDC 0 00385 DIN 100 ANSI 0 00392 TC C type 1 C TC type T C KC type K C Additionally a signal value can be further modified with custom linearization using the EQN command described in Section 4 2 3 4 1 1 1 User Defined Table The user defined table TZ is a set of 25 X Y points which are used to represent a difficult to model curve The input data is seen as an X value and a correspondin
37. location By default it is 0 Changing it to 0 2 would mean that the bargraph will only start lighting when 0 2 is exceeded This command only affects the bargraph S01BZI 0 2 This command will change the bargraph starting point to 0 2 for channel 1 5018721 This will display the current bargraph zero for channel 1 CHN chn XXXX Or CHN chn Displays an ASCII string that is 4 characters long If the value is fully numeric the unit will react appropriately to a reading of that value Inserting a blank argument will result in erasing the current display value IN ORDER TO USE 27 SOICHNI PASS This command will display the word PASS on the display for channel 1 SOICHN2 87 This will display 87 on FUNCTION THIS COMMAND THE CORRESPONDING CHANNEL MUST BE TURNED OFF USING THE COMMAND EXAMPLE the 4 7 segment digits for channel 2 It will also change the bargraph to display a value of 87 SOICHNI This command will empty the channel buffer displaying nothing on the 4 7 segment digits for channel 1 SOICHN2 This command clear the buffer for channel 1 CH chn ON OFF Or CH chn Turns the A D input on or off With the input off the CHN command can be used to remotely control the channel SOICHIOFF Channel 1 can now display ASCII Strings SOICHI This displays the current state of the A D input whether it is on or off
38. most LED will be illuminated Likewise if a limit is less than BZ the bottommost LED will be illuminated A default bargraph is scaled from 0 to 100 with limits as such HH Readings greater than 90 violate the HH limit and are colored red 21 H Readings greater than 80 violate H limit and are colored amber L Readings under 2090 violate L limit and are colored amber LL Readings under 1090 violate the LL limit and are colored red For values between 20 and 80 the bargraph is green of these parameters are adjustable If the user finds limit marks visually distracting they can be disabled using the DLIM command DLIM ON OFF Enables disables limit marks Disabling limit marks will neither disable normal limit operation nor bargraph color changing If the user desires the bargraph to remain one color while still having limit based control the limit colors can be set to the bargraph color 5 2 4 Color By default three colors are available for the bargraph green red and amber Its color is based on six parameters Normal operation If a channel is under normal operating conditions its segments will illuminate uniformly Set the normal operating color with the DCOLOR command DCOLOR lt CHANNEL gt G A Sets the bargraph color to Green Red or Amber High High limit breaking If a channel reading passes the High High limit segments beyond the limit will change to the High High color Set th
39. n the analog meters they are meant to replace Additional power supplies battery backups and inspections can make the cost of a digital installation out of reach of many whom could benefit from the versatility of digital instrumentation The New Technology series is designed to combine the best features of digital and analog instrumentation into a simple to install and low power yet robust solution to process measurement needs Using the newest LED and embedded nanotechnology Otek has expanded its loop powered technology to include automatic color changing LED bargraphs process diagnostics and isolated serial communication in a powerful yet low power package for the first time 1 2 Product Overview Differentiation 1 2 1 Loop and Signal Power These options serve as intelligent indicators the core of OTEK s New Technology products Using the newest of nanotechnology and ultra high efficiency LEDs these products consume between 10mW 80mW less than 1 of existing digital meters allowing direct replacement of analog meters and greatly lessening the requirements of backup power supplies These products can have up to four isolated channels and input signal types include DC current AC current AC voltage AC frequency and AC power models feature Otek s award winning input signal failure detection and alarming design as well as isolated USB 485 The NTM will display INFT FAIL on the display and transmit alarm data for
40. nd structure Connecting to the unit can be done through HyperTerminal or any terminal emulator I want to configure the meter in a way not listed Is this possible OTEK offers free firmware development for controllers purchased in quantity Plus our software library is being continuously expanded For smaller and specialized applications custom software can be ordered Contact Otek for more information 2 YOUR OWN NOTES HERE The meter offers several communication options Please refer to the ordering information found in Section 8 correctly determine your communication option or compare your communication port to those Section 3 1 3 1 Serial Communications Port Settings The meter supports the use of RS 485 USB or Ethernet Control models only Use the following communication setup to speak with a factory default meter 9600 baud 1 start bit 8 data bits No parity 1 stop bit No flow control A terminal emulator works best if to TTY emulation 3 2 Communicating with the Unit With the serial communication lines properly wired and your terminal emulator connected apply power to the unit The following power on message will be transmitted NTM revision 1 0 by OTEK Address 1 Initializing Done If this message does not appear check to make sure physical connections are secure between the unit and the communication terminal Also make sure the proper baud rate flow control and COM port settings are
41. ng In order to translate the signal strength into a meaningful value the NTM offers several input transformations and linearizations to accommodate a wide range of applications These include scale offset polynomials X Y tables and custom mathematical inputs x Y and more 1 3 5 Self Diagnostics Unforeseen accidents can lead to product degradation with potential disastrous consequences in process control To assist in diagnosing whether a problem exists the NTM has several self diagnostics features making sure both the loop and the NTM itself are functioning in a normal state 1 4 Functional Overview A central processing unit CPU is what sets the NTM apart from traditional analog meters Figure 1 illustrates a high level interaction diagram of the components of the NTM Without a network connection the meter is capable of normal display operation This means that with only a 2 wire connection to the loop the NTM can operate in full display capacity 1 5 Common Questions Do I need a computer to configure and communicate with the controller Yes However when ordered your model can ship from the factory preconfigured all you need to do is hook it up Many of the error indications are visible through face of the meter so a computer is not necessary Do I have to learn a programming language to use the controller No If changes need to be made in the field all settings are user configurable with an easy comma
42. nputs or display values change the parameters accordingly 1 Apply 4mA signal to the meter Let the unit stabilize The Dispro value should be 4 and the Desiredi o value is what the display should read In this example we want 0 2 Apply a 20mA signal to the meter Let the unit stabilize The Dispur value should be 20 and the Desiredy value is what the display should read In this example we want 100 Desired Display Displayed Value Value Table 4 4 Example of user calibration parameters 3 Solve the system of equations to find a new Scale and Offset Scale 0 100 4 20 6 25 Offset 0 6 25 4 25 4 The following 2 commands well set new user calibration values 19 S1SCALE lt CHANNEL gt lt calculated value SLOFFSET lt CHANNEL gt lt calculated value 5 Apply a 4 20mA signal the meter At 4mA it should display the desired lower value and at 20mA it should display the desired upper value If not make sure the factory calibration is correct and repeat the user calibration procedure making sure to clear the previous user calibration values 6 We now need to save the current calibration This is done using the WRITE command SIWRITE The unit will respond with the message Done when the calibration is saved 5 Display Configuration displays are highly customizable to suit the preferences of the operator This section discusses what customizations are ava
43. om the rest of the instrument but common within itself No O C T Relays Output None included No Pull Up load connected common emitter not connected O C T max load 30v 30mA Relays 1A 120VAC 30VDC resistive See typical connections sections See Alarms section No 4 20mA Compliance Out Non included Check the model part number to the ordering information at the end of this manual No compliance connected through your load no commands executed See DAC Commands The unit has a blue LED in series with 4 20mA out to indicate Loop On Nothing Works Check your signal and or power input and fuses WARNING Table 12 1 Troubleshooting Guide Unauthorized repair will void the lifetime warranty Still having problems Send OTEK an email at support otekcorp com or call 520 748 7900 24 6 2 TNT amp NTT Transmitters Troubleshooting Because the TNT and NTT transmitters share the same hardware and software as the NTM all instructions and commands are the same The only difference is that the transmitters are essentially NTMs without dedicated 4 20mA transmission the same as NTM digit 12 options 1 3 5 or 7 on the ordering information as configured by the user for retransmission or altered by mathematical algorithms or manual potentiometers NTT 7 Appendix 7 1 ASCII Lookup Tables 7 1 1 Alphabetical Characters Decima PASCIT Decima
44. ontrols the amount of time a limit must be exceeded before the relay will activate The value is set in 100ms increments 0 n lt 255 SOIDELAYIHH 4 The HiHi limit for channel 1 will have to be exceeded for more than 400ms for the relay to toggle and the bargraph color to change SOIDELAYIHH This displays the current HiHi delay time for channel 1 DFIX chn n Or DFIX chn DH chn n Or DH chn Sets the decimal point location in digits from the right on the display Valid arguments are 0 1 2 and 3 Sets the DAC Hi limit This is the value in mA that the DAC is not allowed to exceed Lo lt n lt 24mA 29 SOIDFIXI 1 This will select the first decimal point on the display XXX X for channel 1 SOIDFIXI This displays the current decimal point location for channel 1 SOIDHI 19 This will set the DAC Hi limit to 19mA The DAC will never output greater than 19mA FUNCTION EXAMPLE SOIDHI This displays the current DAC s Hi limit for channel l DIAG chn This command runs the diagnostic test on the display for the respective channel It will check for shorts then allow the user to perform a visual test on the LED bargraph and 4 7 segment display digits This command will temporarily stop the channel being tested SOIDIAGI This will test the display by running through a display diagnostic for channel 1 DINT chn n This command control
45. r Offset for unit 1 to 0 Now check the factory calibration Apply an input to the channel to be calibrated In this example the input is 4 20mA At 4mA the meter should display 4 and at 20mA the meter should display 20 If these values are accurate skip to Section 4 3 3 Setting User Calibration Otherwise factory calibration must be performed 4 2 2 Setting Factory Calibration To most easily re calibrate the unit the factory calibration values must be reset The following 2 commands will clear out the factory calibration data for channel 1 The command is analogous for channels 2 and 3 17 S1GACO1 1 sets factory scale factor for channel 1 to 1 SLOFCOL 0 sets factory offset for channel 1 to 0 To calculate the new GACO gain coefficient and OFCO offset coefficient values use the following table and system of equations Displayed Value Table 4 1 Guideline for establishing factory calibrations GACO Inm Dispur Dispro OFCO Dispro Example 1 Apply a 4mA signal to the meter Let the unit stabilize The Inro value is 4 and the Dispro value is what the channel reads In this example we read 0 4 2 Apply a 20mA signal to the meter Let the unit stabilize The Ing value is 20 and the Dispur value is what the channel reads In this example we read 1 0 Displayed Value Table 4 2 Example of factory calibration parameters 3 Solve
46. responds to a reading of 0 10 will shift to 0 20 with a scale factor of 2 Set the Scale is set with the SCALE command SCALE n Sets a value n with which to scale linearized data Offset is used to shift the output data The offset value is set in terms of the display units and is the last transformation applied Regardless of linearization and scaling the Offset will be set as the value entered The Offset is set through the OFFSET command OFFSET n Sets a final offset value n to linearized data Scale and offset values apply once as shown in Figure 4 1 These values are relative to the output of the linearization and not the display This means that for example if a meter currently had an Offset of 10 changing its Offset to 8 would decrease the display value by 2 To view current Scale and Offset values use the SHOWIN command 15 4 1 4 Units If the user desires the input can be associated with engineering units through the UNITS command UNITS unit string Sets a text string of units for the input data This string is for user convenience only it is a message concatenated to the end of sent serial data and logged data This has no effect on the numeric value 4 2 Calibration The meter has 1 pair of potentiometers per channel found on the rear of the unit A SPAN potentiometer adjusts the scale of a channel reading and a ZERO potentiometer shifts the value up and down Quick calibration can be done through minor
47. s can be manually overwritten with the CHN command to send a message to the operator display a general status message or hard code an effective reading CHN n XXXX Writes string XXXX of characters from Table 13 1 and Table 13 2 to channel n s display 23 6 Quick Reference 6 1 Troubleshooting Firmware amp Hardware Note See section 8 for all typical connection drawings SYMPTOM No startup message on serial port SOLUTION Check power connections Make sure the TXD RXD or D D lines are wired properly Verify communications protocol for baud rate parity number of start data stop bits Note Your TXD becomes our RXD and your RXD becomes our TXD The USB connector uses the same wiring for RS485 Make sure the meter is not in network mode by issuing a LOC command No characters will appear in terminal emulation but the unit could still be receiving serial data Garbage characters appear instead of a startup message Characters sent to unit appear twice on terminal Check communications protocol for proper baud rate parity number of start data stop bits Standard settings are 8N1 9600 baud Turn off LOCAL ECHO in your terminal emulation program After the startup message the unit does not respond to commands Analog input always reads zero or doesn t change Make sure the RXD or D line is properly connected Check communications software for proper settings Be sure to use S unit s
48. s the display intensity based on a scale from 0 9 for n where 0 is the lowest intensity off while 9 is the highest intensity SOIDINTS This sets the display intensity to 50 DLFLASH chn n ON OFF Or DLFLASH chn Turns on limit flashing meaning a channel s bargraph will begin to flash if its limit is exceeded SOIDLFLASHI ON Enables limit flashing for channel 1 SOIDLFLASHI 23 This will change the flash speed to 23 SOIDLFLASH2 This will display the current flash rate and flashing status for channel 2 DLIM chn ON OFF Or DLIM chn Turns the limit indicators for the bargraph on or off SOIDLIMI ON Enables limit indicators for channel 1 SOIDLIMI This displays the current limit indicators for channel 1 DL chn n Or DL chn Sets the DAC Lo limit This is the value in mA that the DAC is not allowed to go below 0mA x n lt HI 30 SOIDL2 This will set the DAC low limit to 2mA When powered on the DAC will output a minimum of 2mA SOIDLI This displays the current DAC s Lo limit for channel COMMAND FUNCTION EXAMPLE 1 DMODE chn mode Or DMODE chn Changes the format of the bargraph Valid mode argument are BOT TOP AND BI BOT is a bottom to top display TOP is a top to bottom display and is bidirectional display with the BO being the drawing point SOIDMODEIBI This will set the display format to bidire
49. selected in any communication software being used 3 3 Sending Serial Commands The following command format is used to send commands to the meter lt S gt lt ADDRESS gt lt COMMAND TYPE gt lt CHANNEL gt lt PARAMETER gt lt CR gt Commands are not case sensitive all characters are automatically converted to uppercase Each element of the command may be separated by spaces for user clarity if desired The following explains how each element is used lt S gt This argument is always the character S Having a start character S prevents incomplete unintentional or concatenated commands from being received by the meter lt ADDRESS gt This is the unit s address The address serves as a unique identifier so that multiple units placed on the same communication line can be controlled independently A unit s current address is shown in its power on message or the SHOWSTAT command The address is configurable through the ADDR command and is by default 01 An address can be set blank if desired effectively removing the lt ADDRESS gt element from command execution lt COMMAND TYPE gt This is the command to execute For a full listing of commands refer to Section 7 2 lt PARAMETER gt Some commands set values or are executed in multiple ways The lt PARAMETER gt section of a command is used to specify these details For commands that may apply to just one channel a SPACE must be inserted between the channel numb
50. tal Option A 3 8x3 8 1 4 DIN Plastic or Metal Option D 3 1 2 Barrel Analog Meter Plastic Option F 2x3 Flat Pack Plastic Option L 2 9x1 5 Plastic or Metal Option M ANSI Swbd 4 P M Option N ANSI Swbd 4 P M Option P 6 6x1 4 Plastic Option S 6x1 Plastic Option X 4x4 Explosion Proof Metal Jer aah PLUG IN SCREW CONNECTORS 16 26 GA WIRES Nema 3 Nema 3 Nema 3 Nema 3 4X Nema 3 Nema 3 4X Nema 3 Nema 3 Nema 3 Nema 3 Nema 3 Nema 3 Nema 3 Nema 3 Nema 3 4X TRANSMITTERS TNT Panel Mount Panel Cutout 46x92mm 1 85x3 62 Bar Environmental Length Digit Size 2 57 6 4714 uan 6 52 3 amp 25 3 473 43 4713 473 2 57 4 3774 Nema 3 4X Nema 3 4X Nema 3 4X Nema 3 4X 21590259 6 5 6 6 5 6 7 25 Dau 25 3 3 47 NEW TECHNOLOGY TRANSMITTER TNT AND NTT MECHANICAL amp MOUNTING DIN Rail Mount Mechanical 9999999990099 m FRONT O MOUNTING BRACKETS NTM NEW TECHNOLOGY MECHANICAL amp MOUNTING INFORMATION BY CASE STYLE Digit 4 amp Option OPTION 0 Option 1 1 8 DIN 3 8x1 9 Bezel Mechanical 5 7x1 9 Metal Bezel Mechanical 220 56mm FRONT VIEW SIDE VIEW REAR VIEW T ab PLUG IN SCREW CONNECTORS 16 26 GA WIRES 5 Panel Cutout 46x92mm 1 85x3 62 8 s FRONT REAR 4 30 TO MOUNTING BRACKETS PANEL CUT
51. this color color Red Amber Green S01LLD1 RED This command will change the LoLo limit color to red SOILLDI This displays the current LoLo limit alarm color LL chn n Or LL chn Sets the LoLo limit 1999 lt n lt 9999 HH gt H gt L gt LL SOILLI 20 This changes the LoLo limit value to 20 The LoLo limit default value is 10 SOILLI This displays channel 1 Enables local echoing of characters The channel will send back everything that is transmitted to it and will prompt error messages SOILOC This command will cause the channel to echo back everything that is sent to it LOG ON OFF Enables unit to begin logging the unit s address time and reading over the serial port SOILOGON Enables logging of the unit L chn n Or Sets the Low limit 1999 lt n lt 9999 35 5011115 This changes Low limit COMMAND FUNCTION HH gt H gt L gt LL EXAMPLE value to 15 The Low limit default value is 20 M chn limit message Or M chn ON OFF Or M chn Sets a message of 32 characters max in for any channel s limit for when it is triggered Valid limits are as follows HH H L LL OVERRANGES OVERRANGED UNDERRANGES and UNDERRANGED The OVERRANGED and UNDERRANGED limits are exclusively for the 4 7 segment displays when the unit over or under ranges The OVERRANGES and UNDERRANGES limits are exclusively strings sent only over the seri
52. tion on or off With peak detection on the unit will display the highest input value it has received since peak detection was enabled Valid arguments are ON or OFF NOTE For faster sampling rates contact OTEK SOIPEAKI ON Channel 1 will now only display the largest value thus far obtained from the A D conversion SOIPEAK2 This will display the current status of the PEAK command for channel 2 PID ON OFF Or PID This will enable the PID functionality of the meter 37 SOIPIDON This will enable the PID of the meter FUNCTION EXAMPLE SOIPID This will display the current state of the PID functionality of the meter POLL ON OFF Enables disables the polling for the status command If poll is off then a continuous serial representation of the displayed information is broadcast in a RS 485 network no polling POLLOFF is not advised the constant transmission of data can overwhelm the network If poll is on then the unit awaits the status command to send data to the serial port Valid arguments are ON and OFF see STATUS SOIPOLLON This command will cease the constant broadcast of serial data from the unit The channel will still accept all commands but it will only send A D information when the STATUS command is used Performs a software reset of the device Startup mode will be determined by the current state of the DEFAULT jumper inside the
53. to improve reliability function or design OTEK Corporation devices are not authorized for use as components in life support devices Copyright O OTEK Corporation August 2014 All rights reserved Printed in the United States of America Contents TM ose 6 nigri E Tm 6 1 2 Product Overview Differentiation Ole SHAPES 7 121 Loopand Signal POSEE aie DE rb NEA REOR COS PNE 7 122 External POSNUEE ess pue OU Mam MEE A FERMER d 7 1 23 Process Transmitters 8 SEE ou c 8 1 3 1 Color Changing Bargraph Display n nu 8 1 3 2 Four Digit Digital Display Ub ON DN ad ceo 8 1 3 3 Isolated Serial Communications 8 1 3 4 Input Transformation visis ua Reto sEaso S SEE OCT bU IU 8 123 5 Self Did amp Id Functional espe t EU re 9 1 5 Common QUESTIONS us oma coo ie bene ph hana hoa re ees 9 2 YOUR OWN NOTES nn 9 3 1 Serial Communications Port Settings
54. tweaks to these potentiometers as explained below This example is for channel 1 the procedure is analogous for all other channels 1 Apply a signal of value zero to channel 1 Adjust the zero potentiometer so the meter reads the desired value In the case of a 4 20mA loop the zero value is usually 4mA 2 Apply a full scale signal to channel 1 and adjust the span potentiometer so the meter reads the desired full scale value 3 Check your zero Repeat steps 1 3 if necessary each iteration will decrease errors in the calibration If adjusting these is not enough to calibrate a meter a Full Factory Calibration may need to be performed The meter has 1 2 or 3 analog input channels Each analog input has 2 sets of calibration data factory calibration and user calibration Both of these must be correct to ensure the unit will display the correct information Both factory and user calibration use the following linear equation to scale and offset the reading Y m X b In this equation X is the input signal m is the scale factor b is the offset and Y is the output In command terminology the equation looks as follows Value Displayed Scale Input Offset For example to map a 4 20mA to a display value of 0 100 the following parameters must be used Scale 6 25 Offset 25 16 Applying values to above equation we find 4 6 25 25 0 20 6 25 25 100 thus 4 20 input shoul
55. value for channel 1 SOIHOLDI ON This command will cause the channel to hold the last value on the display SOIHOLD2 This displays the current hold status of channel 2 HYST chn lim n Or HYST chn lim Or HYST chn Sets the limit hysteresis The hysteresis is a dead zone around the limit that the value must exceed before the limit actions will be triggered This is mainly used for the relay outputs with a noisy signal input The hysteresis is defined in counts 0 lt n lt 9999 33 SOIHYSTIHH 0 25 This will change the channel 15 HiHi limit hysteresis to 0 25 The limit will have to be exceeded by 0 25 counts before the relay will activate Hysteresis is 0 by default FUNCTION EXAMPLE SOIHYSTIHH This will display the channel 1 HiHi limit hysteresis SOIHYSTI This displays the HiHi Hi Lo and LoLo limit hysteresis for channel 1 H chn n Or H chn Sets the Hi limit 1999 lt n x 9999 HH H L LL S01H1 60 This changes the Hi limit value for channel 1 to 60 The Hi limit is 80 by default 501 1 This displays current Hi limit for channel 1 IDELAY n Or IDELAY Sets a power on delay in seconds 0 lt lt 255 50 15 Sets a 15 second delay upon power up before the unit will begin normal operation The unit has by default no delay upon startup SOIIDELAY This will display the current value for the dela
56. will cause the channel to be unit less WDTEST chn Performs a watchdog test of the unit If the watchdog timer is working properly the watchdog LED will blink momentarily SOIWDTESTI Performs a watchdog test on channel 1 of the unit If the watchdog timer is working properly the watchdog LED will blink momentarily This command writes the current configuration data to the EEPROM This allows the channel to go back to the user programmed settings when power is lost If this command is not issued after user configurable settings have been changed the next time the channel is powered down these settings will be lost There are no arguments for this command Table 13 3 List of commands and their usage 43 S01 WRITE This command saves all user configurable settings to EEPROM See Table 7 4 for details 7 3 Settings Value Stored Default Value Associated Value Stored Default Value aod Command Command Channel Reading State On CH Address 01 ADDR Limit Checking On LIM Baud Rate 9600 BAUD HiHi Limits 90 0 HH Polling On POLL Hi Limits 80 0 H Echo On NET LOC Lo Limits 20 0 L Intensity 5 DINT LoLo Limits 10 0 LL Decimal Fix 3 DFIX Limit Delays 0 0 seconds DELAY Bargraph Full Scale 10 0 BFS Hysteresis Values 0 0 HYST Bargraph Zero 0 0 BZ Scale 1 0 SCALE Bargraph Origin 0 0 BO Offset 0 0 OFFSET Limit Flashing
57. y upon power up K chn P I D n Or K chn P I D Set s the appropriate value for PID constants to the value n SO1K2I 1 Sets the integral value to 1 for channel 2 s PID SOIKID This will display the current differential value for channel 15 PID LD chn color Or LD chn Changes the Low limit alarm color When the limit is exceeded the bargraph uses this color Color Red Amber Green 34 SOILDIAMBER This command will change the Low limit color to amber SOILDI This displays the current COMMAND FUNCTION EXAMPLE Low limit alarm color LIM chn ON OFF Or LIM chn Turns the limit checking on or off If limit checking is turned off the bargraph will not change color and the relays will not change state SOILIMIOFF This turns off limit checking for channel 1 SOILIMI This will display the current limit checking status for channel 1 LIN chn table Turns on the internal linearization for thermocouples RTDs or user defined tables or polynomials Valid inputs OFF TZ RTDC ANSI PZ JC KC and TC TZ user table PZ user polynomial RTDC 0 00385 DIN PT100 ANSI 0 00392 JC type J degrees TC type T degrees C KC type K degrees C SOILINIANSI This command will change the linearization to ANSI RTD LLD chn color Or LLD chn Changes the LoLo limit alarm color When the limit is exceeded the bargraph uses
58. y y in the Y portion of the X Y table SOISETYO 1 This command will set the first y value in the table to 1 SOISETY1 This displays the current value for the second y variable in the linearization table SHOWACT chn Shows the relays commands and 40 SOISHOWACTI FUNCTION messages statuses for the channel n EXAMPLE This will show the relay statuses commands and messages for channel 1 SHOWCONFIG chn This will show the jumper color schemes and LED driving configurations for channel chn SOISHOWCONFIGI This will show all the general configuration statuses for channel 1 SHOWPOLY chn Shows user defined polynomial coefficients SOISHOWPOLYI I This will show the user defined polynomial for channel 1 SHOWTABLE chn Shows user defined linearization table The table contains n many table values where 0 n lt 24 Since values for the coefficient x must be input in increasing value the table will only display the x and y coefficients that are relevant and maintain the increasing trend SOISHOWTABLE2 This will show the user defined linearization table for channel 2 SHOWIx With no argument this command shows the general unit information In order to view more channel specific information use the SHOW command in conjunction with one of the following arguments ACT chn CONFIG chn POLY chn TABLE chn and chn SOISHOW2
59. you all their features serial I O loop or signal or external power tricolor bargraph 4 digits gt 30 signal inputs retransmission 4 20 mA and relays The NTT New Technology Transmitter is panel mounted and allows the operator to control the loop manually via a front panel potentiometer or from DCS SCADA via serial port USB RS485 or Ethernet Just like the NTM the automatic tricolor bargraph tells you at a glance where your process is at All commands apply to ALL series but only if the options are included Check your part number versus the ordering information As you can see once you learn one you ll know them all NEWTECHNOLOGY SERIES BLOCK DIAGRAM CHANNEL _CONTROLLER DISPLAY ONLY PERCENTAGE X CURRENT LOOP RELAYS LPD LPC DISPLAYS CPU ANALOG OUT SIGNAL DETECT ETHERNET KEEP ALIVE USB 485 ISOLATORS FOR ALARMS SERIAL VO PWM ZERO SPAN 90 265 VAC POWER SUPPLY DISPLAY ONLY MODEL TNT MODEL NTT Should any problems arise while setting up controller please refer to troubleshooting section found in the reference section of this manual Revision History Software Edition August 2014 Initial release The information provided in this manual is copyrighted by OTEK Corporation This documentation is licensed and not sold OTEK Corporation reserves the right to make changes to any product without further notice
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