Analog input module with HART . Технические данные . Подробное описание, цены на оборудование Siemens. Большой выбор, низкие цены на Analog input module with HART

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Article number		6ES7331-7TF01-0AB0
		SM331, 8AI, 0/4-20MA HART
Supply voltage
Load voltage L+
в—Џ Rated value (DC)		24 V
в—Џ Reverse polarity protection		Yes
Input current
from load voltage L+ (without load), max.		20 mA
from backplane bus 5 V DC, max.		120 mA
Output voltage
Power supply to the transmitters
в—Џ present		Yes
в—Џ Rated value (DC)		24 V
в—Џ short-circuit proof		Yes
в—Џ Supply current, max.		60 mA
Power loss
Power loss, typ.		1.5 W
Analog inputs
Number of analog inputs		8
permissible input current for current input (destruction limit), max.		40 mA
Input ranges
в—Џ Current		Yes
Input ranges (rated values), currents
в—Џ 0 to 20 mA		Yes
в—Џ Input resistance (0 to 20 mA)		140 в„¦
в—Џ Input resistance (-20 mA to +20 mA)		140 в„¦
в—Џ Input resistance (4 mA to 20 mA)		140 в„¦
Cable length
в—Џ shielded, max.		800 m
Analog value generation for the inputs
Measurement principle		Sigma Delta
Integration and conversion time/resolution per channel
в—Џ Resolution with overrange (bit including sign), max.		16 bit
в—Џ Integration time, parameterizable		Yes
в—Џ Integration time (ms)		20 ms at 50 Hz; 16.6 ms at 60 Hz; 100 ms at 100 Hz
в—Џ Basic conversion time, including integration time (ms)		55 ms @ 60 Hz, 65 ms @ 50 Hz, 305 ms @ 100 Hz
в—Џ Interference voltage suppression for interference frequency f1 in Hz		10 / 50 / 60 Hz
Encoder
Connection of signal encoders
в—Џ for current measurement as 2-wire transducer		Yes
в—Џ for current measurement as 4-wire transducer		Yes
Errors/accuracies
Linearity error (relative to input range), (+/-)		0.01 %
Temperature error (relative to input range), (+/-)		0.001 %/K
Crosstalk between the inputs, min.		70 dB
Repeat accuracy in steady state at 25 °C (relative to input range), (+/-)		0.1 %
Operational error limit in overall temperature range
в—Џ Current, relative to input range, (+/-)		0.15 %
Basic error limit (operational limit at 25 °C)
в—Џ Current, relative to input range, (+/-)		0.1 %
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency
в—Џ Series mode interference (peak value of interference < rated value of input range), min.		40 dB
в—Џ Common mode interference, min.		100 dB
Isochronous mode
Isochronous operation (application synchronized up to terminal)		No
Interrupts/diagnostics/status information
Diagnostic functions		Yes
Alarms
в—Џ Diagnostic alarm		Yes
в—Џ Limit value alarm		Yes
Diagnostic messages
в—Џ Diagnostic information readable		Yes
Diagnostics indication LED
в—Џ Group error SF (red)		Yes
в—Џ Channel fault indicator F (red)		Yes
Potential separation
Potential separation analog inputs
в—Џ between the channels		No
в—Џ between the channels and backplane bus		Yes
Isolation
Isolation tested with		500 V DC
Degree and class of protection
IP degree of protection		IP20
Connection method
required front connector		20-pin
Dimensions
Width		40 mm
Height		125 mm
Depth		117 mm
Weights
Weight, approx.		205 g