Model Number: 6ES7231-5QA30-0XB0 6ES7274-1XF30-0XA0 6ES7223-1BH32-0XB0 6ES7231-5QD32-0XB0 6ES7231-5QF32-0XB0 Category: S7-1200 Safety Digital Input and Output Module Product Type: PLC Type: Industry Automation Place of Origin: Made in Germany Warranty: 12 month warranty
SIMATIC S7-1200, Analog input, SB 1231 TC, 1 AI thermocouples Type J or K
SIMATIC S7-1200, Analog input, SB 1231 TC, 1 AI thermocouples Type J or K
General information | |
Product type designation | SB 1231, AI 1x16 bit TC |
Supply voltage | |
Rated value (DC) | 24 V |
Input current | |
Current consumption, typ. | 5 mA |
from backplane bus 5 V DC, typ. | 20 mA |
Power loss | |
Power loss, typ. | 0.5 W |
Analog inputs | |
Number of analog inputs | 1; Thermocouples |
permissible input voltage for current input (destruction | ±35 V |
limit), max. | |
permissible input voltage for voltage input (destruction | ±35 V |
limit), max. | |
Technical unit for temperature measurement adjustable | Degrees Celsius/degrees Fahrenheit |
Input ranges | |
● Voltage | Yes |
● Current | No |
● Thermocouple | Yes; J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV |
● Resistance thermometer | No |
● Resistance | No |
Input ranges (rated values), voltages | |
● -80 mV to +80 mV — Input resistance (-80 mV to +80 mV) |
Yes ≥1 MOhm |
Input ranges (rated values), thermocouples | |
● Type J | Yes |
— Input resistance (type J) | 1 200 °C |
● Type K | Yes |
— Input resistance (Type K) | 1 372 °C |
Thermocouple (TC) | |
Temperature compensation | |
— parameterizable | No |
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. ● Integration time, parameterizable ● Interference voltage suppression for interference frequency f1 in Hz |
15 bit; + sign No 85 dB at 10 / 50 / 60 / 400 Hz |
Smoothing of measured values | |
● parameterizable | Yes |
Errors/accuracies | |
Temperature error (relative to input range), (+/-) | 25 °C ±0.1%, to 55 °C ±0.2% total measurement range |
Repeat accuracy in steady state at 25 °C (relative to output range), (+/-) | 0.50% |
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency | |
● Common mode interference, min. | 120 dB |
Interrupts/diagnostics/status information | |
Alarms | Yes |
Diagnostics function | Yes; Can be read out |
Alarms | |
● Diagnostic alarm | Yes |
Diagnoses | |
● Wire-break | Yes |
Diagnostics indication LED | |
● for status of the inputs ● for maintenance |
Yes Yes |
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. ● max. ● horizontal installation, min. ● horizontal installation, max. ● vertical installation, min. ● vertical installation, max. |
-20 °C 60 °C -20 °C 60 °C -20 °C 50 °C |
Ambient temperature during storage/transportation | |
● min. ● max. |
-40 °C 70 °C |
Air pressure acc. to IEC 60068-2-13 | |
● Operation, min. ● Operation, max. ● Storage/transport, min. ● Storage/transport, max. |
795 hPa 1 080 hPa 660 hPa 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 / header | |
required front connector | Yes |
Mechanics/material | |
Enclosure material (front) ● Plastic |
Yes |
Dimensions | |
Width | 38 mm |
Height | 62 mm |
Depth | 21 mm |
Weights | |
Weight, approx. | 35 g |
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