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

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Article number	6ES7231-4HD32-0XB0	6ES7231-4HF32-0XB0	6ES7231-5ND32-0XB0
	ANALOG INPUT SM 1231, 4AI	ANALOG INPUT SM 1231, 8AI	ANALOG INPUT SM 1231, 4AI 16BIT
Supply voltage
Rated value (DC)
в—Џ 24 V DC	Yes	Yes	Yes
Input current
Current consumption, typ.	45 mA	45 mA	65 mA
from backplane bus 5 V DC, typ.	80 mA	90 mA	80 mA
Power loss
Power loss, typ.	1.5 W	1.5 W	1.8 W
Analog inputs
Number of analog inputs	4; Current or voltage differential inputs	8; Current or voltage differential inputs	4; Current or voltage differential inputs
permissible input voltage for current input (destruction limit), max.	± 35 V	± 35 V	±15 V
permissible input voltage for voltage input (destruction limit), max.	35 V	35 V	± 35 V
permissible input current for voltage input (destruction limit), max.	40 mA	40 mA	40 mA; limited by input resistance 1 MOhm
permissible input current for current input (destruction limit), max.	40 mA	40 mA	40 mA
Cycle time (all channels) max.	625 µs	625 µs	100 µs
Input ranges
в—Џ Voltage	Yes; ±10V, ±5V, ±2.5V	Yes; ±10V, ±5V, ±2.5V	Yes; ±10V, ±5V, ±2.5V or ±1.25V
в—Џ Current	Yes; 4 to 20 mA, 0 to 20 mA	Yes; 4 to 20 mA, 0 to 20 mA	Yes; 4 to 20 mA, 0 to 20 mA
в—Џ Thermocouple	No	No	No
в—Џ Resistance thermometer	No	No	No
в—Џ Resistance	No	Yes	No
Input ranges (rated values), voltages
в—Џ -1.25 V to +1.25 V			Yes
в—Џ -10 V to +10 V	Yes	Yes	Yes
в—Џ Input resistance (-10 V to +10 V)	в‰Ґ9 MOhm	в‰Ґ9 MOhm	в‰Ґ1 MOhm
в—Џ -2.5 V to +2.5 V	Yes	Yes	Yes
в—Џ Input resistance (-2.5 V to +2.5 V)	в‰Ґ9 MOhm	в‰Ґ9 MOhm	в‰Ґ1 MOhm
в—Џ -5 V to +5 V	Yes	Yes	Yes
в—Џ Input resistance (-5 V to +5 V)	в‰Ґ9 MOhm	в‰Ґ9 MOhm	в‰Ґ1 MOhm
Input ranges (rated values), currents
в—Џ 0 to 20 mA	Yes	Yes	Yes
в—Џ Input resistance (0 to 20 mA)	280 в„¦	280 в„¦
в—Џ 4 mA to 20 mA	Yes	Yes	Yes
в—Џ Input resistance (4 mA to 20 mA)	280 в„¦	280 в„¦
Thermocouple (TC)
Temperature compensation
вЂ” parameterizable		No
Analog value generation for the inputs
Integration and conversion time/resolution per channel
в—Џ Resolution with overrange (bit including sign), max.	12 bit; + sign	12 bit; + sign	15 bit; + sign
в—Џ Integration time, parameterizable	Yes	Yes	Yes
в—Џ Interference voltage suppression for interference frequency f1 in Hz	40 dB, DC to 60 V for interference frequency 50 / 60 Hz	40 dB, DC to 60 V for interference frequency 50 / 60 Hz	40 dB, DC to 60 V for interference frequency 50 / 60 Hz
Smoothing of measured values
в—Џ parameterizable	Yes	Yes	Yes
в—Џ Step: None	Yes	Yes	Yes
в—Џ Step: low	Yes	Yes	Yes
в—Џ Step: Medium	Yes	Yes	Yes
в—Џ Step: High	Yes	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	25 °C ±0.1% / ±0.3% total measurement range
Basic error limit (operational limit at 25 °C)
в—Џ Voltage, relative to input range, (+/-)	0.1 %	0.1 %	0.1 %
в—Џ Current, relative to input range, (+/-)	0.1 %	0.1 %	0.1 %
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency
в—Џ Common mode voltage, max.	12 V	12 V	12 V
Interrupts/diagnostics/status information
Alarms	Yes	Yes	Yes
Diagnostic functions	Yes	Yes	Yes
Alarms
в—Џ Diagnostic alarm	Yes	Yes	Yes
Diagnostic messages
в—Џ Monitoring the supply voltage	Yes	Yes	Yes
в—Џ Wire-break	Yes	Yes	Yes
Diagnostics indication LED
в—Џ for status of the inputs	Yes	Yes	Yes
в—Џ for maintenance	Yes	Yes	Yes
Degree and class of protection
Degree of protection acc. to EN 60529
в—Џ IP20	Yes	Yes	Yes
Standards, approvals, certificates
CE mark	Yes	Yes	Yes
CSA approval	Yes	Yes	Yes
FM approval	Yes	Yes	Yes
RCM (formerly C-TICK)	Yes	Yes	Yes
Marine approval	Yes	Yes	Yes
Ambient conditions
Free fall
в—Џ Fall height, max.	0.3 m; five times, in product package	0.3 m; five times, in product package	0.3 m; five times, in product package
Ambient temperature during operation
в—Џ min.	-20 °C	-20 °C	-20 °C
в—Џ max.	60 °C	60 °C	60 °C
в—Џ horizontal installation, min.	-20 °C	-20 °C	-20 °C
в—Џ horizontal installation, max.	60 °C	60 °C	60 °C
в—Џ vertical installation, min.	-20 °C	-20 °C	-20 °C
в—Џ vertical installation, max.	50 °C	50 °C	50 °C
Ambient temperature during storage/transportation
в—Џ min.	-40 °C	-40 °C	-40 °C
в—Џ max.	70 °C	70 °C	70 °C
Air pressure acc. to IEC 60068-2-13
в—Џ Operation, min.	795 hPa	795 hPa	795 hPa
в—Џ Operation, max.	1 080 hPa	1 080 hPa	1 080 hPa
в—Џ Storage/transport, min.	660 hPa	660 hPa	660 hPa
в—Џ Storage/transport, max.	1 080 hPa	1 080 hPa	1 080 hPa
Relative humidity
в—Џ Operation at 25 в„ѓ without condensation, max.	95 %	95 %	95 %
Pollutant concentrations
в—Џ 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	S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free
Connection method
required front connector	Yes	Yes	Yes
Mechanics/material
Enclosure material (front)
в—Џ Plastic	Yes	Yes	Yes
Dimensions
Width	45 mm	45 mm	45 mm
Height	100 mm	100 mm	100 mm
Depth	75 mm	75 mm	75 mm
Weights
Weight, approx.	180 g	180 g	180 g

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