6ES7331-7RD00-0AB0 SIMATIC S7, SM 331 ANALOG INPUT

6ES7331-7RD00-0AB0 SIMATIC S7, SM 331 ANALOG INPUT

Product Code: 6ES7331-7RD00-0AB0

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Artikelnummer 6ES7331-7RD00-0AB0
Supply voltage
Load voltage L+
● Rated value (DC) 24 V
Input current
from backplane bus 5 V DC, max. 60 mA
from supply voltage L+, max. 150 mA
Output voltage
Power supply to the transmitters
● present Yes
● Rated value (DC) 13 V; at 22 mA
● No-load voltage (DC) 25.2 V
Power losses
Power loss, typ. 3 W
Analog inputs
Number of analog inputs 4
permissible input current for current input (destruction limit), max. 40 mA
Input ranges
● Current Yes
Input ranges (rated values), currents
● 0 to 20 mA Yes
● Input resistance (0 to 20 mA) 50 Ω
● 4 to 20 mA Yes
● Input resistance (4 to 20 mA) 50 Ω
Cable length
● Cable length, shielded, max. 200 m
Analog value creation
Measurement principle Sigma Delta
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max. 16 bit; 10 to 15 bits + sign
● Integration time, parameterizable Yes; 2.5 to 100 ms
● Interference voltage suppression for interference frequency f1 in Hz 10 to 400 Hz
Encoder
Connection of signal encoders
● for current measurement as 2-wire transducer Yes
● for current measurement as 4-wire transducer Yes
Errors/accuracies
Operational limit in overall temperature range
● Current, relative to input area, (+/-) 0.45 %
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. 60 dB
● Common mode interference, min. 130 dB
Interrupts/diagnostics/status information
Diagnostic messages
● Diagnostic functions Yes
● Diagnostic information readable Yes
● Overrange Yes
● Wire break in signal transmitter cable Yes
● Short circuit of the signal encoder cable Yes
Diagnostics indication LED
● Short circuit per channel (red) Yes
● Short-circuit group error (red) Yes
Ex(i) characteristics
Module for Ex(i) protection Yes
Max. values of input circuits (per channel)
● Co (permissible external capacity), max. 90 nF
● Io (short-circuit current), max. 68.5 mA
● Lo (permissible external inductivity), max. 7.5 mH
● Po (power of load), max. 431 mW
● Ri, max. 50 Ω
● Uo (output no-load voltage), max. 25.2 V
Galvanic isolation
Galvanic isolation analog inputs
● Galvanic isolation analog inputs Yes
Permissible potential difference
between the inputs (UCM) 60 V DC/30 V AC when used in the hazardous area; 400 V DC/250 V AC when used in NON-hazardous area
between inputs and MANA (UCM) 60 V DC/30 V AC when used in the hazardous area; 400 V DC/250 V AC when used in NON-hazardous area
Standards, approvals, certificates
Use in hazardous areas
● Type of protection acc. to EN 50020 (CENELEC) [EEx ib] IIC
● Type of protection acc. to FM Class I, Division 2, Group A, B, C, D T4
● Test number PTB Ex-96.D.2092X
Ambient conditions
Operating temperature
● max. 60 °C
Connection method
required front connector 20-pin
Weights
Weight, approx. 290 g
last modified: 25.09.2014

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