Data Sheet

Data sheet 6ES7331-7RD00-0AB0

SIMATIC S7, analog input SM 331, isolated, 4 AE; 0/4 to 20 mA, 1 x

20-pole, for signals from the hazardous area, diagnostics-capable,

PTB tested

Supply voltage

Load voltage L+

● Rated value (DC)

24V

● Reverse polarity protection

Yes

Input current

from load voltage L+ (without load), max. 250mA

from backplane bus 5 V DC, max. 60mA

Output voltage

Power supply to the transmitters

● Rated value (DC)

13V; at 22 mA

● No-load voltage (DC)

25.2V

Power loss

Power loss, typ. 3W

Analog inputs

Number of analog inputs 4

6ES7331-7RD00-0AB0 Subject to change without notice

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Data sheet 6ES7331-7RD00-0AB0 SIMATIC S7, analog input SM 331, isolated, 4 AE; 0/4 to 20 mA, 1 x 20-pole, for signals from the hazardous area, diagnostics-capable, PTB tested Supply voltage Load voltage L+ ● Rated value (DC) 24 V ● Reverse polarity protection Yes Input current from load voltage L+ (without load), max. 250 mA from backplane bus 5 V DC, max. 60 mA Output voltage Power supply to the transmitters ● Rated value (DC) 13 V; at 22 mA ● No-load voltage (DC) 25.
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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) 50 Ω ● 4 mA to 20 mA Yes ● Input resistance (4 mA to 20 mA) 50 Ω Cable length ● shielded, max.
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● Wire-break in signal transmitter cable Yes ● Short-circuit of the signal encoder cable Yes Diagnostics indication LED ● Group error SF (red) Yes ● Channel fault indicator F (red) Yes Ex(i) characteristics Module for Ex(i) protection Yes Maximum 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.