SIMATIC ET 200M – SM 331 Analog Input Module with HART – Siemens Modules

$ 1,881.17

SKU: 6ES7331-7TF01-0AB0
  • Can only be plugged into ET 200M with IM 153-2 and IM 153-2 FO
  • 8 AI HART
  • Redundancy switching
  • Firmware update
  • HART minor variables

Siemens Analog Input Modules SM 331 Product Specifications:

Article number 6ES7331-7TF01-0AB0
SM331, 8AI, 0/4-20MA HART
General information
Product function
● Isochronous mode No
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 / header
supply voltage of the transmitters / header
● product function / supply voltage for transmitters Yes
● supply voltage / of the transmitters / at DC / rated value 24 V
● product feature / of the supply voltage for transmitters / short-circuit proof Yes
● supply current / from supply voltage for transmitter / maximum 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 (rated values), currents
● 0 to 20 mA Yes
— Input resistance (0 to 20 mA) 140 Ω
● -20 mA to +20 mA
— Input resistance (-20 mA to +20 mA) 140 Ω
● 4 mA to 20 mA
— Input resistance (4 mA to 20 mA) 140 Ω
Cable length
● shielded, max. 800 m
Analog value generation for the inputs
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 at 50 Hz; 16.6 ms at 60 Hz; 100 ms at 100 Hz
● Basic conversion time, including integration time (ms) 55 ms @ 60 Hz, 65 ms @ 50 Hz, 305 ms @ 100 Hz
● Interference voltage suppression for interference frequency f1 in Hz 10 / 50 / 60 Hz
Smoothing of measured values
● parameterizable Yes
● Step: None Yes
● Step: low Yes
● Step: Medium Yes
● Step: High Yes
Encoder
Connection of signal encoders
● for current measurement as 2-wire transducer Yes
● for current measurement as 4-wire transducer Yes
Errors/accuracies
Operational error limit in overall temperature range
● Current, relative to input range, (+/-) 0.15 %
Basic error limit (operational limit at 25 °C)
● Current, relative to input range, (+/-) 0.1 %
Interrupts/diagnostics/status information
Diagnostics function Yes
Alarms
● Diagnostic alarm Yes
● Limit value alarm Yes
Diagnostics indication LED
● Group error SF (red) Yes
● Channel fault indicator F (red) Yes
Potential separation
Potential separation analog inputs
● between the channels No
● 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 / header
required front connector 20-pin
Dimensions
Width 40 mm
Height 125 mm
Depth 117 mm
Weights
Weight, approx. 205 g
Weight 0.25 kg
Dimensions 13.2 × 15.4 × 5.1 cm

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