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SIMATIC S7-1200 SM 1231, AI 4x16 bit
SKU: 6ES72315ND320XB0
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Short Description
Description:
SIMATIC S7-1200, Analog input, SM 1231, 4 AI, +/-10 V, +/-5 V, +/-2.5 V, +/-1.25 V, or 0-20 mA/4-20 mA, 15 bits + 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 analogue 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.
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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.
Ambient temperature during operation:
min.: -20 °C.
max.: 60 °C.
horizontal installation, min.: -20 °C.
horizontal installation, max.: 60 °C.
vertical installation, min.: -20 °C.
vertical installation, max.: 50 °C.
Ambient temperature during storage/transportation:
min.: -40 °C.
max.: 70 °C.
Air pressure acc. to IEC 60068-2-13:
Operation, min.: 795 hPa.
Operation, max.: 1 080 hPa.
Storage/transport, min.: 660 hPa.
Storage/transport, max.: 1 080 hPa.
Relative humidity:
Operation at 25 ℃ without condensation, max.: 95 %.
Pollutant concentrations:
SO2 at RH < 60% without condensation: S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free.
connection method:
required front connector: Yes.
Mechanics/material:
Enclosure material (front):
Plastic: Yes.
Dimensions:
Width: 45 mm.
Height: 100 mm.
Depth: 75 mm.
Weights:
Weight, approx.: 180 g.