SM 1231 thermocouple modules . Технические данные . Подробное описание, цены на оборудование Siemens. Большой выбор, низкие цены на SM 1231 thermocouple modules

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SM 1231 thermocouple module

Article number	6ES7231-5QD32-0XB0	6ES7231-5QF32-0XB0
	S7-1200, ANALOG INPUT SM 1231 TC, 4 AI	S7-1200, ANALOG INPUT SM 1231 TC, 8 AI
General information
Product type designation	SM 1231 TC 4x16 bit	SM 1231 TC 8x16bit
Supply voltage
Rated value (DC)
? 24 V DC	Yes	Yes
Input current
Current consumption, typ.	40 mA	40 mA
from backplane bus 5 V DC, typ.	80 mA	80 mA
Power loss
Power loss, typ.	1.5 W	1.5 W
Analog inputs
Number of analog inputs	4; Thermocouples	8; Thermocouples
permissible input voltage for current input (destruction limit), max.	± 35 V	± 35 V
permissible input voltage for voltage input (destruction limit), max.	+-35 V	+-35 V
Technical unit for temperature measurement adjustable	Degrees Celsius/degrees Fahrenheit	Degrees Celsius/degrees Fahrenheit
Input ranges
? Voltage	Yes	Yes
? Current	No	No
? Thermocouple	Yes; J, K, T, E, R, S, N, C, TXK/XK(L); voltage range: +/-80 mV	Yes; J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV
? Resistance thermometer	No	No
? Resistance	No	No
Input ranges (rated values), voltages
? -80 mV to +80 mV	Yes	Yes
Input ranges (rated values), thermocouples
? Type B	Yes	Yes
? Type C	Yes	Yes
? Type E	Yes	Yes
? Type J	Yes	Yes
? Type K	Yes	Yes
? Type N	Yes	Yes
? Type R	Yes	Yes
? Type S	Yes	Yes
? Type T	Yes	Yes
? Type TXK/TXK(L) to GOST	Yes	Yes
Thermocouple (TC)
Temperature compensation
— parameterizable	No	No
Analog value generation for the inputs
Measurement principle	integrating	integrating
Integration and conversion time/resolution per channel
? Resolution with overrange (bit including sign), max.	15 bit; + sign	15 bit; + sign
? Integration time, parameterizable	No	No
? Interference voltage suppression for interference frequency f1 in Hz	85 dB at 50 / 60 / 400 Hz	85 dB at 50 / 60 / 400 Hz
Smoothing of measured values
? parameterizable	Yes	Yes
Errors/accuracies
Temperature error (relative to input range), (+/-)	25 °C ±0.1%, to 55 °C ±0.2% total measurement range	25 °C ±0.1%, to 55 °C ±0.2% total measurement range
Repeat accuracy in steady state at 25 °C (relative to output range), (+/-)	0.5 %	0.5 %
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency
? Common mode interference, min.	120 dB	120 dB
Interrupts/diagnostics/status information
Alarms	Yes	Yes
Diagnostic functions	Yes; Can be read out	Yes; Can be read out
Alarms
? Diagnostic alarm	Yes	Yes
Diagnostic messages
? Monitoring the supply voltage	Yes	Yes
? Wire-break	Yes	Yes
Diagnostics indication LED
? for status of the inputs	Yes	Yes
? for maintenance	Yes	Yes
Degree and class of protection
Degree of protection acc. to EN 60529
? IP20	Yes	Yes
Standards, approvals, certificates
CE mark	Yes	Yes
CSA approval	Yes	Yes
FM approval	Yes	Yes
RCM (formerly C-TICK)	Yes	Yes
Ambient conditions
Free fall
? Fall height, max.	0.3 m; five times, in product package	0.3 m; five times, in product package
Ambient temperature during operation
? permissible temperature range	-20 °C to +60 °C horizontal mounting, -20 °C to 50 °C vertical mounting, 95% humidity, non-condensing	-20 °C to +60 °C horizontal mounting, -20 °C to 50 °C vertical mounting, 95% humidity, non-condensing
? min.	-20 °C	-20 °C
? max.	60 °C	60 °C
Pollutant concentrations
— SO2 at RH < 60% without condensation	S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free	S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free
Connection method
required front connector	Yes	Yes
Mechanics/material
Enclosure material (front)
? Plastic	Yes	Yes
Dimensions
Width	45 mm	45 mm
Height	100 mm	100 mm
Depth	75 mm	75 mm
Weights
Weight, approx.	180 g	220 g

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