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6ES7231-4HD32-0XB0
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6ES7231-4HD32-0XB0

New product

Siemens 6ES7231-4HD32-0XB0

SIMATIC S7-1200, Analog input, SM 1231, 4 AI, +/-10 V, +/-5 V, +/-2.5 V, or 0-20 mA/4-20 mA, 12 bit+sign (13 bit ADC)

General information
Product type designation SM 1231, AI 4x13 bit
Supply voltage
Rated value (DC) 24 V
Input current
Current consumption, typ. 45 mA
from backplane bus 5 V DC, typ. 80 mA
Power loss
Power loss, typ. 1.5 W
Analog inputs
Number of analog inputs 4; Current or voltage differential inputs
permissible input voltage for voltage input (destruction limit), max. 35 V
permissible input current for current input (destruction limit), max. 40 mA
Cycle time (all channels) max. 625 µs
Input ranges
● Voltage Yes; ±10V, ±5V, ±2.5V
● Current Yes; 4 to 20 mA, 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) 280 Ω
● 4 mA to 20 mA Yes
— Input resistance (4 mA to 20 mA) 280 Ω
Analog value generation for the inputs
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max. 12 bit; + sign
● Integration time, parameterizable Yes
● Interference voltage suppression for interference frequency f1 in Hz 40 dB, DC to 60 V for interference frequency 50 / 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 ±0.1%, to 55 °C ±0.2% total measurement range
Basic error limit (operational limit at 25 °C)
● Voltage, relative to input range, (+/-) 0.1 %
● Current, relative to input range, (+/-) 0.1 %
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency
● Common mode voltage, max. 12 V
Interrupts/diagnostics/status information
Alarms Yes
Diagnostics function Yes
Alarms
● Diagnostic alarm Yes
Diagnoses
● Monitoring the supply voltage Yes
● Wire-break Yes
Diagnostics indication LED
● for status of the inputs Yes
● for maintenance Yes
Degree and class of protection
IP degree of protection IP20

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