Super-mini Signal Conditioners with Display Mini-M ME Series THERMOCOUPLE TRANSMITTER (PC programmable) Functions & Features Accepts direct input from a thermocouple and provides a linearized process signal Adjustments with the front button Wide selection of thermocouples OEL display with good visibility Typical Applications Small burnout sensing current enables long distance transmission with minimum offset drifts Electric furnace (isolation) No burnout type can connect to a single T/C in parallel with a recorder 9. (.) (.7) oltage output: -0 - +0 DC [] POWER INPUT AC Power M: 00 0 AC (Operational voltage range, 7 Hz) DC Power R: DC (Operational voltage range ±0 %, ripple 0 %p-p max.) P: 0 DC (Operational voltage range 0, ripple 0 %p-p max.) [] OPTIONS blank: none /Q: With options (specify the specification) SPECIFICATIONS OF OPTION: Q (multiple selections) COATING (For the detail, refer to M-System's web site.) /C0: Silicone coating /C0: Polyurethane coating /C0: Rubber coating TERMINAL SCREW MATERIAL /S0: Stainless steel EX-FACTORY SETTING /SET: Preset according to the Ordering Information Sheet (No. ESU-) Up Mode Down Set (.) mm (inch) MODEL: MEXT [][] ORDERING INFORMATION Code number: MEXT-[][] Specify a code from below for each [] and []. (e.g. MEXT-M/Q) Specify the specification for option code /Q (e.g. /C0/S0/SET) INPUT Field-selectable Thermocouple (PR), K (CA), E (CRC), J (IC), T (CC), B (RH), R, S, C (WRe -), N, U, L, P (Platinel II) OUTPUT Field-selectable DC Output Current output: 0-0 ma DC oltage output: - - + DC RELATED PRODUCTS ME configurator software (model: MECFG) Downloadable at M-System s web site. A dedicated cable is required to connect the module to the PC. Please refer to the internet software download site or the users manual (EM-7) for the ME configurator for applicable cable types. GENERAL SPECIFICATIONS Construction: Plug-in Connection: M screw terminals (torque 0. N m) Screw terminal: Chromated steel (standard) or stainless steel Housing material: Flame-resistant resin (gray) Isolation: Input to output to power Overrange output: Approx. -0 to +0 % (Not available for current output not greater than 0 ma) Input zero fine adj. range: -0 to +0 (front button) Input span fine adj. range: -0 to +0 (front button) Output zero fine adj. range: - to +% (front button) Output span fine adj. range: 9 to 0% (front button) Burnout protection: Upscale standard; downscale or no burnout optional by programming MEXT SPECIFICATIONS ES- Rev. Page /7
(Set to "None" at item [] Burnout, when the unit is connected with another instrument in parallel.) Linearization: Standard Cold junction compensation: CJC sensor attached to the input terminals Output setting: DIP Switch on side panel (refer to the instruction manual) Configuration: Program with front buttons or ia PC. Programmable features include: Refer to the parameter list. Configurator connection:. dia. miniature jack; RS--C level DISPLAY Display functions: Displays and sets measured range, engineering unit Display size: Approx.. 0. mm (0. 0. ) Number of pixels: 9 (horizontal vertical) Character color: Yellow Display life: Approx. 0000 hours (Expected time for the Display brightness to be reduced to 0 % when the Display is used continuously with brightness setting in ) Display type: OEL display Display digit: Negative digits, positive digits (-99999 to 999999) Decimal point position: Input display: None, number of decimal places or Output display: Settable arbitrarily INPUT SPECIFICATIONS Input resistance: MΩ min. Burnout sensing: 0. μa Measurement rang: - to +0% of input setting value Refer to the operating manual (EM--B) for changing input range, setting value. OUTPUT SPECIFICATIONS DC Current Output range: 0 0 ma DC Conformance range: 0 ma DC Minimum span: ma Offset: Lower range can be any specific value within the output range provided that the minimum span is maintained. Load resistance: Output drive max. (Not available to output less than 0 ma, output range may not be extended to -0 %) DC oltage Output range: - - + DC, -0 - +0 DC Conformance range: -.0 - +.0 DC, - - + DC Minimum span: 0 m, Offset: Lower range can be any specific value within the output range provided that the minimum span is maintained. Load resistance: Output drive ma max. INSTALLATION Power Consumption AC: Max.. A at 00 Max.. A at 00 Max.. A at DC: Max.. W Operating temperature: - to + C ( to F) Operating humidity: 0 to %RH (non-condensing) Mounting: Surface or DIN rail Weight: Approx. 00 g (0. lb) PERFORMANCE Accuracy: Input accuracy + output accuracy See CALCULATION EXAMPLES OF OERALL ACCURACY. Inversely proportional to the setting span. Except the accuracy of input resistor. Input accuracy: [Table Accuracy value + Cold Junction Compensation Error 0. C (0.9 F)] or ±0. % of span, whichever is greater. Display accuracy: Input display: Input accuracy ± digit Output display: Input accuracy + output accuracy ± digit Output accuracy: ±0.0 % of max. output range Cold junction compensation error: ±0. C at ±0 C ±0.9 F at 77 ± F (The described accuracy may be partially not satisfied when the input temperature is below 0 C. Consult factory.) Temp. coefficient (% of max. I/O range): ±0.0 %/ C (±0.00 %/ F) Input resolution: Max. 0 bits Output resolution: Max. bits Response time (filter time constant: 0 sec.): 0. sec. (0 90 %) Burnout response: 0 sec. Line voltage effect: ±0. % over voltage range Insulation resistance: 00 MΩ with 00 DC Dielectric strength: 000 AC @ minute (input to output to power to ground) MEXT SPECIFICATIONS ES- Rev. Page /7
CALCULATION EXAMPLES OF OERALL ACCURACY [Example] Input Range K thermocouple, 0 000 C, Output Range 0 0 ma, Output Setting 0 ma Overall accuracy Input Accuracy ) Absolute value accuracy (Table ):.00 C ) CJC error (0. C) added:.0 C ).0 C 000 C 00 = 0. % ) 0. % > 0. % of span. 0. % is selected. Output Accuracy = Output Range Span (0 ma) Output Span Setting ( ma) 0.0 % = 0.0 % Overall Accuracy = 0. + 0.0 = ±0.0 % [Table ] INPUT RANGE C MINIMUM SPAN SETTING RANGE ACCURACY CONFORMANCE RANGE (PR) 0 0 to 70 ±.00 0 to 70 K (CA) 0-70 to +70 ±.00-0 to +70 E (CRC) 0-70 to +000 ±.00-70 to +000 J (IC) 0-0 to +00 ±.00-0 to +00 T (CC) 0-70 to +00 ±.00-70 to +00 B (RH) 0 0 to 0 ±.00 00 to 70 R 0-0 to +70 ±.00 00 to 70 S 0-0 to +70 ±.00 0 to 70 C (WRe -) 0 0 to ±.00 0 to N 0-70 to +00 ±.00-0 to +00 U 0-00 to +00 ±.00-00 to +00 L 0-00 to +900 ±.00-00 to +900 P (Platinel II) 0 0 to 9 ±.00 0 to 9 INPUT RANGE F MINIMUM SPAN SETTING RANGE ACCURACY CONFORMANCE RANGE (PR) to 00 ±.0 to 00 K (CA) - to +9 ±.0 - to +9 E (CRC) - to + ±.0-7 to + J (IC) - to +9 ±.0-9 to +9 T (CC) - to +7 ±.0-7 to +7 B (RH) to 0 ±.0 7 to 00 R - to +00 ±.0 9 to 00 S - to +00 ±.0 to 00 C (WRe -) to 99 ±.0 to 99 N - to +7 ±.0-0 to +7 U - to + ±.0 - to + L - to + ±.0 - to + P (Platinel II) to ±.0 to INPUT RANGE K MINIMUM SPAN SETTING RANGE ACCURACY CONFORMANCE RANGE (PR) 0 7. to 0. ±.00 7. to 0. K (CA) 0. to. ±.00. to. E (CRC) 0. to 7. ±.00 0. to 7. J (IC) 0. to 7. ±.00 9. to 7. T (CC) 0. to 7. ±.00 0. to 7. B (RH) 0 7. to 09. ±.00 7. to 0. R 0. to 0. ±.00 7. to 0. S 0. to 0. ±.00 7. to 0. C (WRe -) 0 7. to. ±.00 7. to. N 0. to 7. ±.00. to 7. U 0 7. to 7. ±.00 7. to 7. L 0 7. to 7. ±.00 7. to 7. P (Platinel II) 0 7. to. ±.00 7. to. MODEL: MEXT MEXT SPECIFICATIONS ES- Rev. Page /7
STANDARDS & APPROALS EU conformity: EMC Directive EMI EN 000-- EMS EN 000-- Low oltage Directive EN 00- Installation Category II Pollution Degree Input or output to power: Reinforced insulation (00 ) Input to output: Basic insulation (00 ) RoHS Directive EN 0 EXTERNAL IEW PERCENT 00.00 % OUTPUT 0.000 ma Display Up Button Mode Button SW Down Button Up Down Mode Set Set Button Configurator Jack ON 7 OFF Output Setting DIP SW ON SW 7 OFF COMPONENT Display Mode Button Set Button Up Button Down Button Confi gurator Jack FUNCTION Indicates present values, setting values and abnormal information. Two types of present values at upper and lower are displayed by setting. Used to shift from measuring mode to each setting mode. Destination to shift is changed by the time pressing and holding the button. Used to return from each setting mode to measuring mode. (press and hold for sec. or more) Used to change setting value of setting parameter. When at setting changeable state, used to enter (save) the setting value. Used to move on through digits of setting value for input/output scaling at setting changeable state, Used to shift through setting parameter, and to increase or select setting value. Used to shift through setting parameter, and to decrease or select setting value. Used to confi gure with ME confi gurator software (model: MECFG). At the same time, set the lockout setting of the unit to lock. Refer to the operating manual (EM--B) for detailed procedures. MEXT SPECIFICATIONS ES- Rev. Page /7
PARAMETER LIST It is available to confi gure or confi rm settings shown below by using front button. Confi guring or confi rming with PC is available when using ME confi gurator software (model: MECFG). MODE ITEM SETTING PARAMETER RANGE UNIT INITIAL ALUE Basic setting 0 Lockout setting Lock / Unlock Lock Input range (PR) K (CA) E (CRC) J (IC) T (CC) B (RH) R S C (WRe -) N U L P (Platinel II) K (CA) 0 % input setting (PR): 0.0 70.0 C 0.0 K (CA): -70.0 0.0 E (CRC): -70.0 90.0 J (IC): -0.0 0.0 T (CC): -70.0 0.0 B (RH): 0.0 00.0 R: -0.0 70.0 S: -0.0 70.0 C (WRe -): 0.0 9.0 N: -70.0 0.0 U: -00.0 0.0 L: -00.0 0.0 P (Platinel II): 0.0 7.0 00 % input setting (PR): 0.0 70.0 C 000.0 K (CA): -0.0 70.0 E (CRC): -0.0 000.0 J (IC): -90.0 00.0 T (CC): -0.0 00.0 B (RH): 0.0 0.0 R: -0.0 70.0 S: -0.0 70.0 C (WRe -): 0.0.0 N: -0.0 00.0 U: -0.0 00.0 L: -0.0 900.0 P (Platinel II): 0.0 9.0 Input decimal point No decimal point The number of decimal places : or 7 Output range 0 0 ma - + -0 +0 0 % output setting 0.000 9.000 -.000.70-0.000 9.000 9 00 % output setting.000 0.000 -.70.000-9.000 0.000 place of decimals 0 0 ma 0 0 % output scaling -99999 999999 0.00 MEXT SPECIFICATIONS ES- Rev. Page /7 ma ma.000 0.000 00 % output scaling -99999 999999 00.00 Output decimal point No decimal point The number of decimal places : places of decimals Loop test -0.00 0.00 % Cancel
MODE ITEM SETTING PARAMETER RANGE UNIT INITIAL ALUE Option Burnout None / Down / Up Up Unit (OUT Scaling) Choose from types* % Temperature unit C / F / K C Cold junction compensation CJM / FXD TEMP CJM Preset fi xed terminal temperature -0.00 00.00 C 0.00 7 Filter time constant 0 0 sec. 0 9 Input Zero fi ne adjust -0.00 0.00 C 0.00 70 Input Span fi ne adjust -0.00 0.00 C 0.00 7 Output Zero fi ne adjust -.000.000 % 0.000 7 Output Span fi ne adjust 9.000 0.000 % 00.000 0 Lockout setting Lock / Unlock Lock Advanced 90 Display setting Upper: choose from types* Lower: choose from types* 9 Brightness (darkest) (brightest) 9 Display timeout 0 (always on), 0 min. 0 9 Reset all settings OFF / RESET OFF 9 ersion indication 0 Lockout setting Lock / Unlock Lock * For detailed types, refer to the operating manual (EM--B). Upper: INPUT Lower: PERCENT EXTERNAL DIMENSIONS unit: mm (inch) (.) (.7) (.) DIN RAIL mm wide.x (.7x.0) MTG HOLE (.) deep 9 (.) 7 (.) M SCREW 9 7 0 9 (.) (.) (.) 9 (.70) (.) (.7) 9. (.) [ (.)] When mounting, no extra space is needed between units. TERMINAL ASSIGNMENTS CJC SENSOR (model: CJM) 9 7 0 MEXT SPECIFICATIONS ES- Rev. Page /7
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM comp. leadwire T/C + + CJC SENSOR model: CJM Low Drift Amplifie & Burnout Digital Computation Circuit Display Circuit CONTROL SW Isolation Output Setting DIP SW Output Driver 7 + 0 U(+) ( ) 9 OUTPUT POWER CONFIGURATOR JACK Base Socket Specifications are subject to change without notice. MEXT SPECIFICATIONS ES- Rev. Page 7/7