Siemens Analog Input SM 1231, 4AI 16bit - 6ES7231-5ND32-0XB0

Siemens Analog Input SM 1231, 4AI 16bit - 6ES7231-5ND32-0XB0

SIMATIC S7-1200, Analog input, SM 1231, 4 AI, +/-10 V, +/-5 V, +/-2.5 V, +/-1.25 or 0-20 mA/4-20 mA, 15 bit+sign bit...

Brand: Siemens
Product Code: 6ES7231-5ND32-0XB0
Availability: Check availability
Price on request
SIMATIC S7-1200, Analog input, SM 1231, 4 AI, +/-10 V, +/-5 V, +/-2.5 V, +/-1.25 or 0-20 mA/4-20 mA, 15 bit+sign bit
General information
Product type designation SM 1231, AI 4x16 bit
Supply voltage
Rated value (DC) 24 V
Input current
Current consumption, typ. 65 mA
from backplane bus 5 V DC, typ. 80 mA
Power loss
Power loss, typ. 1.8 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. 100 µs
Input ranges
● Voltage Yes; ±10V, ±5V, ±2.5V or ±1.25V
● Current Yes; 4 to 20 mA, 0 to 20 mA
● Thermocouple No
● Resistance thermometer No
● Resistance No
Input ranges (rated values), voltages
● -1.25 V to +1.25 V Yes
● -10 V to +10 V Yes
— Input resistance (-10 V to +10 V) ≥1 MOhm
● -2.5 V to +2.5 V Yes
— Input resistance (-2.5 V to +2.5 V) ≥1 MOhm
● -5 V to +5 V Yes
— Input resistance (-5 V to +5 V) ≥1 MOhm
Input ranges (rated values), currents
● 0 to 20 mA Yes
● 4 mA to 20 mA Yes
Analog value generation for the inputs
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max. 15 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% / ±0.3% 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
Standards, approvals, certificates
CE mark Yes
CSA approval Yes
UL approval Yes
cULus Yes
FM approval Yes
RCM (formerly C-TICK) Yes
KC approval Yes
Marine approval Yes
Ambient conditions
Free fall
● Fall height, max. 0.3 m; five times, in product package

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