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 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
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