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6ES7231-4HA30-0XB0

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Siemens 6ES7231-4HA30-0XB0

SIMATIC S7-1200, Analog input, SB 1231, 1 AI, +/-10 V DC (12 bit resol.) or 0-20 mA

General information
Product type designation		SB 1231, AI 1x12 bit
Supply voltage
Rated value (DC)		24 V
Input current
from backplane bus 5 V DC, typ.		55 mA
Power loss
Power loss, typ.		0.4 W
Analog inputs
Number of analog inputs		1; Current or voltage differential inputs
permissible input voltage for current input (destruction limit), max.		±35 V
permissible input voltage for voltage input (destruction limit), max.		35 V
permissible input current for voltage input (destruction limit), max.		40 mA
permissible input current for current input (destruction limit), max.		40 mA
Cycle time (all channels) max.		156.25 µs; 400 Hz suppression
Input ranges
● Voltage		Yes; ±10V, ±5V, ±2.5V
● Current		Yes; 0 to 20 mA
● Thermocouple		No
● Resistance thermometer		No
● Resistance		No
Input ranges (rated values), voltages
● -10 V to +10 V		Yes
— Input resistance (-10 V to +10 V)		≥9 MOhm
● -2.5 V to +2.5 V		Yes
— Input resistance (-2.5 V to +2.5 V)		≥9 MOhm
● -5 V to +5 V		Yes
— Input resistance (-5 V to +5 V)		≥9 MOhm
Input ranges (rated values), currents
● 0 to 20 mA		Yes
— Input resistance (0 to 20 mA)		≥ 250 Ohm
Analog outputs
Number of analog outputs		0
Cable length
● shielded, max.		100 m; shielded, twisted pair
Analog value generation for the inputs
Measurement principle		integrating
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max.		11 bit; + sign
● Integration time, parameterizable		Yes
● Interference voltage suppression for interference frequency f1 in Hz		40 dB, DC to 60 Hz
Smoothing of measured values
● parameterizable		Yes
● Step: None		Yes
● Step: low		Yes
● Step: Medium		Yes
● Step: High		Yes
Errors/accuracies
Temperature error (relative to input range), (+/-)		25 °C ±0.3%, to 55 °C ±0.6% total measurement range