Article number | 6ES7231-5QA30-0XB0 |
| Signal Board SB 1231 TC, 1 AI |
General information |
|
Product type designation | SB 1231, AI 1×16 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 limit), max. | ±35 V |
permissible input voltage for voltage input (destruction limit), max. | ±35 V |
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 | Yes |
— Input resistance (-80 mV to +80 mV) | ≥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. | 15 bit; + sign |
● Integration time, parameterizable | No |
● Interference voltage suppression for interference frequency f1 in Hz | 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), (+/-) | 0.5 % |
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 | Yes |
● for maintenance | 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. | -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 | 38 mm |
Height | 62 mm |
Depth | 21 mm |
Weights |
|
Weight, approx. | 35 g |
