6ES7331-7TF01-0AB0 SM331, 8AI, 0/4-20MA HART

6ES7331-7TF01-0AB0 SM331, 8AI, 0/4-20MA HART

Product Code: 6ES7331-7TF01-0AB0

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Artikelnummer 6ES7331-7TF01-0AB0
SIMATIC DP, HART ANALOG INPUT SM 331, 8 AI, 0/4 - 20MA HART, FOR ET200M WITH IM153-2, 1 X 20-POLE, FEATURES: FW UPDATE, HART SECONDARY VARIABLES, REDUNDANCY, LOCAL DIAGNOSTIC BUFFER WITH TIMESTAMP,
Supply voltage
Load voltage L+
● Rated value (DC) 24 V
● 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
● present Yes
● Rated value (DC) 24 V
● short-circuit proof Yes
Power losses
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
● Voltage No
● Current Yes
● Thermocouple No
● Resistance thermometer No
● Resistance No
Input ranges (rated values), currents
● 0 to 20 mA Yes
● Input resistance (0 to 20 mA) 240 Ω
● Input resistance (-20 to +20 mA) 240 Ω
● Input resistance (4 to 20 mA) 240 Ω
Cable length
● Cable length, shielded, max. 800 m
Analog value creation
Measurement principle Sigma Delta
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max. 16 bit
● Integration time, parameterizable Yes
● Integration time, ms 20 ms@50 Hz/16.6 ms@60 Hz/100 ms@100 Hz
● Basic conversion time, including integration time, ms 65ms@50Hz / 55ms@60Hz / 305ms@100Hz
● Interference voltage suppression for interference frequency f1 in Hz 60 / 50 / 10 Hz
Encoder
Connection of signal encoders
● for current measurement as 2-wire transducer Yes
● 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 area), (+/-) 0.1 %
Operational limit in overall temperature range
● Current, relative to input area, (+/-) 0.15 %
Basic error limit (operational limit at 25 °C)
● Current, relative to input area, (+/-) 0.1 %
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency
● Series mode interference (peak value of interference < rated value of input range), min. 40 dB
● Common mode interference, min. 100 dB
Isochronous mode
Isochronous operation (application synchronized up to terminal) No
Interrupts/diagnostics/status information
Alarms
● Diagnostic alarm Yes
● Limit value alarm Yes
Diagnostic messages
● Diagnostic functions Yes
● Diagnostic information readable Yes
● Diagnostics Yes
● Group error Yes
Diagnostics indication LED
● Group error SF (red) Yes
Galvanic isolation
Galvanic isolation analog inputs
● between the channels No
● between the channels, in groups of 8
● between the channels and the backplane bus Yes
Isolation
Isolation checked with 500
Connection method
required front connector 20-pin
Dimensions
Width 40 mm
Height 125 mm
Depth 117 mm
Weights
Weight, approx. 205 g
last modified: 25.09.2014

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