THERMOCOUPLE CONVERTER by fpf16947

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									                   Dual Output Super-mini Signal Conditioners Pico-M Series
           THERMOCOUPLE CONVERTER                                               MODEL             M8XT2
                            (PC programmable)                                                     M8XT3
 MODEL & SUFFIX CODE SELECTION
                                      M8XT❑–❑❑–R
MODEL
M8XT2 : Standard type
M8XT3 : CE marking
INPUT THERMOCOUPLE *1
1 :   (PR)           8 :S
2 : K (CA)           9 : C (WRe 5-26)
3 : E (CRC)          N :N
4 : J (IC)           U :U                                      Functions & Features
5 : T (CC)           L :L                                      • Converts a wide variety of thermocouple input into
6 : B (RH)           P : Platinel II                             two isolated, linearized process signals
7 :R                 0 : Specify                               • PC programmable
OUTPUT *2                                                      • Cold junction compensation
V2Z1: Range -10 – +10V DC / Range 0 – 20mA DC                  • Linearization
V2V2: Range -10 – +10V DC / Range -10 – +10V DC                • Burnout protection
POWER INPUT                                                    • User's temperature table can be used
R : 24V DC                                                     • Space-saving, easy-to-maintain, multi-channel in-
*1. Configurator software is used to change the input type       stallation base
and range.
                                                               • Four-way isolation (input to output 1 to output 2
*2. Configurator software is used to change output over the
                                                                 to power)
described range of the selected suffix code.
For changing between suffix codes, set the Output Range
Selector on the side of unit before software adjustment.         INPUT CODE             EX-FACTORY SETTING
                                                                      1             PR                  0 – 1600°C
 ORDERING INFORMATION                                                 2             K                   0 – 1000°C
                                                                      3             E                   0 – 500°C
Specify code number and variables. Settings as shown
                                                                      4             J                   0 – 500°C
in the table below will be used if not otherwise speci-
                                                                      5             T                   0 – 300°C
fied. K thermocouple setting will be used if the input                6             B                   0 – 1800°C
code is not specified. If no I/O specifications are speci-            7             R                   0 – 1600°C
fied, model M8XT2-2V2V2-R will be shipped.                            8             S                   0 – 1600°C
For the input suffix code 0, use Ordering Information                 9             C (WRe 5-26)        0 – 2000°C
Sheet (No. ESU-5470).                                                N              N                   0 – 1000°C
•Code number (e.g. M8XT2-2V2V2-R)                                    U              U                   0 – 300°C
•Input range (e.g. 0 – 800°C)                                         L             L                   0 – 500°C
•Output 1 / Output 2 (e.g. 1 – 5V / 1 – 5V DC)                        P             Platinel II         0 – 1200°C
                                                                OUTPUT CODE             EX-FACTORY SETTING
                                                                    V2Z1                  1 – 5V / 4 – 20mA DC
                                                                    V2V2                  1 – 5V / 1 – 5V DC


                                                              RELATED PRODUCTS
                                                              •JX configurator connection kit (model: JXCON)




                                                                                    P. 1 / 4   ES-5470 Rev.2
                                                                                                  M8XT2 / M8XT3
 GENERAL SPECIFICATIONS                                           ■OUTPUTS (two)
                                                                  •DC Current: 0 – 20mA DC
Construction: Plug-in
                                                                  Operational range: 0 – 24mA DC
Mounting screw: M3 screw (torque 0.3 N·m)
                                                                  Minimum span: 1mA
Housing material: Flame-resistant resin (black)
                                                                  Offset:    Lower range can be any specific value
Power supply: Via Installation Base terminals
                                                                             within the output range provided that
           (model: M8BS❑)
                                                                             the minimum span is maintained.
Isolation: Input to output 1 to output 2 to power
                                                                  Load resistance: Output drive 6V maximum
Overrange output: approx. -15 – +115%
                                                                             (e.g. 4 – 20mA: 300Ω [6V/20mA])
Manual zero/span adjustments: ±5%
           (ex-factory set to 0% and 100%)
                                                                  •DC Voltage: -10 – +10V DC
Programming: Downloaded from PC; T/C type,
                                                                  Operational range: -11.5 – +11.5V DC
           temp. range, output range, zero and
                                                                  Minimum span: 1V
           span, simulating output, user's tempera-
                                                                  Offset:    Lower range can be any specific value
           ture table, linearization, etc.
                                                                             within the output range provided that
Burnout protection: Upscale standard; downscale or
                                                                             the minimum span is maintained.
           no burnout optional by programming
                                                                  Load resistance: Output drive 1mA maximum
                (Set to "no burnout" when the converter is con-
                                                                             (e.g. 1 – 5V: 5000Ω [5V/1mA])
                nected with another instrument in parallel.)
Cold junction compensation: CJC sensor attached
           to the input terminals                                 INSTALLATION
Status indicator LED: Flashing patterns indicate                  Power input: Operational voltage range 24V DC ±10%,
           different operating status of the trans-                          approx. 50mA (70mA for current output);
           mitter.                                                           ripple 10% p-p max.
Configurator connection: 2.5 dia. miniature jack;                 Operating temperature: 0 to 55°C (32 to 131°F)
           RS-232C level                                          Operating humidity: 30 to 95% RH (non-condensing)
                                                                  Mounting: Installation Base (model: M8BS❑)
 INPUT & OUTPUT                                                   Dimensions: W17.5×H48×D75 mm (0.69"×1.89"×2.95")
■INPUT: Thermocouples                                                        See General Spec. Sheet Figure A-1.
Input resistance: 1MΩ minimum                                     Weight:    70 g (0.15 lbs)
Burnout sensing: 45nA ±10%
Minimum span: 20°C or 36°F
Offset:     Lower range can be any specific value
            within the input range provided that the
            minimum span is maintained.
Temperature range
                               USABLE RANGE
          T/C
                             °C                 °F
         (PR)          0 to 1760          32 to 3200
      K (CA)           -270 to +1370      -454 to +2498
      E (CRC)          -270 to +1000      -454 to +1832
      J (IC)           -210 to +1200      -346 to +2192
      T (CC)           -270 to +400       -454 to +752
      B (RH)           0 to 1820          32 to 3308
      R                -50 to +1760       -58 to +3200
      S                -50 to +1760       -58 to +3200
      C (WRe 5-26)     0 to 2315          32 to 4199
      N                -270 to +1300      -454 to +2372
      U                -200 to +400       -328 to +752
      L                -200 to +900       -328 to +1652
      P (Platinel II)  0 to 1395          32 to 2543
For temperatures ranges near lower limit of the usable
range, the transmitter may not satisfy the described accu-
racy. Consult M-System.




Specifications subject to change without notice.
                                                                                       P. 2 / 4    ES-5470 Rev.2
 PERFORMANCE                                             •Accuracy with a User’s Temperature Table:
Accuracy: Input accuracy + output accuracy                           Custom input accuracy + output accuracy**
                                                                                5µV
  Input accuracy*: (% of input range)                      Input Accuracy:               × 100%
                                                                             Input Span
              (PR)         : ≤ ±0.04 (%)                             The accuracy applies only at the user’s
           K (CA)          : ≤ ±0.01                                 calibration points. Data between each point
           E (CRC)         : ≤ ±0.02                                 is approximated with a linear line, thus is
           J (IC)          : ≤ ±0.02                                 not applicable.
           T (CC)          : ≤ ±0.03                       Output Accuracy: ≤ ±0.04%
           B (RH)          : ≤ ±0.06                     **Inversely proportional to the span
           R               : ≤ ±0.04
                                                          [Example] 10000µV span input, 1 – 5V output
           S               : ≤ ±0.04
                                                          Input Accuracy = 5/10000×100 = 0.05
           C (WRe 5-26) : ≤ ±0.02                         Output Accuracy = 20/4×0.04 = 0.2
           N               : ≤ ±0.02                      Overall Accuracy = 0.05 + 0.2 = ±0.25%
           U               : ≤ ±0.02
                                                                   30
           L               : ≤ ±0.02
           P (Platinel II) : ≤ ±0.02                               25
  Output accuracy*: (% of output range)
           -10 – +10V      : ≤ ±0.02 (%)                           20

           0 – 20mA        : ≤ ±0.04
                                                                °C 15
*Inversely proportional to the span
                                                                   10
 •How to Calculate the Overall Accuracy
  [Example] K, 0 – 1000°C, 1 – 5V output
                                                                    5
                      Max. Range
  Input Accuracy =                 × Input Accuracy
                      Input Span                                    0
                   = 1640/1000×0.01 = 0.02                              500   1000      1500    2000       2500
                      Max. Range                                                         µV
  Output Accuracy =                 × Output Accuracy
                     Output Span
                                                                    Approximated Line                  Actual Line
                   = 20/4×0.02 = 0.1
                                                                    Data Point
  Overall Accuracy = 0.02 + 0.1 = ±0.12%
                                                        Cold junction compensation error: ±0.5°C or ±0.9°F
                                                                    maximum (at 20°C ±10°C or 68°F ±18°F)
                                                        Temp. coefficient: ±0.015%/°C (±0.008%/°F) of I/O range
                                                        Response time: ≤0.9 second (0 – 90%)
                                                        Burnout response: ≤10 seconds
                                                        Line voltage effect: ±0.1% over voltage range
                                                        Insulation resistance: ≥100MΩ with 500V DC
                                                        Dielectric strength: 1500V AC @1 minute (input to
                                                                    output 1 or output 2 or power to ground)
                                                                    500V AC @1 minute
                                                                    (output 1 to output 2 to power)


                                                         STANDARDS & APPROVALS
                                                        CE conformity: EMC Directive (2004/108/EC)
                                                                     EMI EN61000-6-4
                                                                     EMS EN61000-6-2




                                                                                     P. 3 / 4   ES-5470 Rev.2
                                                                                                                                       M8XT2 / M8XT3
COMPONENT IDENTIFICATIONS
■SIDE VIEW                           I                                                     ■FRONT VIEW

                                                 Output Range Selector

                                     V

                                                                                                 Status Indicator LED


                                                                                                        Configurator Jack


                   I

                   V                                                                                       UP Switch


                                                                                                           DOWN Switch




■BOTTOM VIEW                                                                             Table 1. Output Range Selector
                                             Zero/Span Selector
                                                                                                        RANGE                                    SW POSITION
                                                                                           V2Z1 : -10 – +10V / 0 – 20mA DC                            I
                       S                 Z                                                 V2V2 : -10 – +10V / -10 – +10V DC                          V
                           OFF

                                                                                         Table 2. Zero/Span Selector
                                                         S     Z                                         MODE                       SW POSITION
                                                                                                         SPAN                             S
                                                                                                          OFF                             ■
                                                                                                         ZERO                             Z
                                                                                         Zero/Span is calibrated by using UP/DOWN switches when
                                                                                         the calibration mode is set. Refer to the instruction
                                                                                         manual for detailed procedures.


SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM


                                                                   STATUS
                                                                            ZERO/SPAN
               comp. leadwire                                               SELECTOR        Isolation
              T/C
                            +                                          Digital                                 Output
                   +             A           1                                                                               6         +
                                                                     Computation                               Driver
                                                   Low Drift                                                                                  OUTPUT 1
                   –                               Amplifier                 UP/DOWN                                         7         –
              metal leg         –                  & Burnout                 SWITCHES
                                 B           2                                                                 Output
                CJC                                                                                                          8         +
                                                                                                               Driver
               SENSOR green                                                                                                                   OUTPUT 2
                                C            4
                                                                                                                             9         –
             model: CJM                                                                                     OUTPUT RANGE
                           red D             3                                                               SELECTOR

        CONFIGURATOR             JACK5                                                                                       10        +
                                                                                                                                               POWER
                                                                                                                             11        –

                                                                             Installation Base




Specifications subject to change without notice.
                                                                                                                            P. 4 / 4       ES-5470 Rev.2

								
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