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SIMATIC S7-1200, analog input, SB 1231 TC,1 AI Thermocouple Type J or K
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General information
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Product Type mark
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SB 1231,AI 1x16 bit TC
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Power supply voltage
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Rating (DC)
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● DC 24V
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Yes
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Input current
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Current consumption, typical value
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5 mA
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DC 5V from backplane bus, typical value
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20 mA
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Power loss
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Power loss, typical
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0.5W
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Analog input
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Number of analog inputs
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1; Thermocouple
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Current input allowable input voltage (damage limit), maximum
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± 35V
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Voltage input allowed input voltage (damage limit), maximum
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± 35V
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Technical unit of temperature measurement, adjustable
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Celsius degree/Fahrenheit degree
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Input range
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● voltage
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Yes
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● Current
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No
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● thermocouple
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Yes; J, K, T, E, R & S, B, N, C, TXK/XK(L); Voltage range: ± 80 mV
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● Resistance thermometer
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No
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● Resistance
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No
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Input range (rated value), voltage
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● -80 mV to +80 mV
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Yes
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● input resistance (-80 mV to +80 mV)
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≥ 1 megohm
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Input range (rating), thermocouple
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● Type J
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Yes
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● input resistance (Type J)
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1200°C
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● Type K
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Yes
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● input resistance (Type K)
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1372°C
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Thermocouple (TC)
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Temperature compensation
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-Parameterizable
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No
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Analog output
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Number of analog outputs
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0
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Wire Length
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● shielding, maximum
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100 m; Shielded twisted pair
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Analog value composition at input
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Measurement principle
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Integration
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Integration and conversion time/resolution per channel
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● resolution with overmodulation (digits including symbols), maximum
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15 bit; + symbol
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● parameterized integration time
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No
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● suppression of interference voltage at interference frequency f1 (unit Hz)
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85 dB at 10/50/60 / 400Hz
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Measured value filtering
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● parameterizable
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Yes
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Error/precision
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Temperature error (related to input range),(+/-)
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25 ℃ ± 0.1%, to 55 ℃ ± 0.2% all measurement range
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Repetition accuracy in the starting state at 25°C (related to the output range),(+/-)
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0.5%
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Fault voltage suppression f = n x (f1 +/- 1 %),f1 = interference frequency
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● Common Code interference, minimum
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120 dB
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Alarm/diagnosis/status information
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Alarm
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Yes
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Diagnostic function
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Yes; Readable
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Alarm
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● diagnostic alarm
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Yes
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Diagnostic Information
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● disconnection
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Yes
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Diagnostic display LED
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● used for input status
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Yes
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● for maintenance
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Yes
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Protection level and protection category
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Protection level in accordance with EN 60529
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● IP20
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Yes
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Standards, licenses, certificates
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CE Mark
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Yes
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CSA license
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Yes
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FM license
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Yes
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RCM(C-TICK format)
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Yes
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Environmental requirements
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Open Air
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● maximum drop
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0.3 m; Five, in the shipping package
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Operating ambient temperature
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● minimum
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-20°C
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● maximum value
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60°C
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● horizontal installation, minimum
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-20°C
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● horizontal installation, maximum
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60°C
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● vertical installation, minimum
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-20°C
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● vertical installation, maximum
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50°C
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Ambient temperature during transportation/storage
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● minimum
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-40°C
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● maximum value
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70°C
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Air pressure meets IEC 60068-2-13 standard requirements
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● operation, minimum
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795 hPa
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● operation, maximum
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1 080 hPa
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● storage/transportation, minimum
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660 hPa
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● storage/transportation, maximum
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1 080 hPa
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Relative air humidity
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● non-condensing operation at 25°C, maximum
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95%
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● SO2 when RH < 60%, no condensation
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Sulfur dioxide: < 0.5 ppm; Hydrogen sulfide: < 0.1 ppm;RH < 60% non-condensate
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Connection Technology
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Required front plug
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Yes
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Machinery/materials
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Shell material (front)
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● Plastic
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Yes
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Size
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Width
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38 mm
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Height
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62 mm
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Depth
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21 mm
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Weight
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Weight, about
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35g
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