simatic 1200 6ES7231-5PA30-0XB0 SIGNAL BOARD SB 1231 RTD

plc control system SIMATIC S7-1200, RTD INPUT, SB 1231 RTD, 1 AI RTD, 1 CHANNEL, PT 100 AND PT1000

Supply voltage
24 V DC Yes
Input current
Current consumption, typ. 5 mA
from backplane bus 5 V DC, typ. 20 mA
Power losses
Power loss, typ. 0.5 W
Analog inputs
Number of analog inputs 1; Resistance thermometer
permissible input frequency for current input (destruction limit), max. ± 35 V
Technical unit for temperature measurement adjustable Degrees Celsius/degrees Fahrenheit
Input ranges
Thermocouple No
Resistance thermometer Yes; Platinum (Pt)
Resistance Yes; 150 Ω, 300 Ω, 600 Ω
Input ranges (rated values), voltages
Input resistance (-80 mV to +80 mV) = 10 MOhm”>>= 10 MOhm
Input ranges (rated values), resistance thermometers
Pt 100 Yes
Input resistance (Pt 100) 100 Ω
Pt 1000 Yes
Input resistance (Pt 1000) 1000 Ω
Pt 200 Yes
Input resistance (Pt 200) 200 Ω
Pt 500 Yes
Input resistance (Pt 500) 500 Ω
Input ranges (rated values), resistors
0 to 150 ohms Yes
0 to 300 ohms Yes
0 to 600 ohms Yes
Thermocouple (TC)
Temperature compensation
Parameterizable No
Analog outputs
Number of analog outputs 0
Analog value creation
Measurement principle integrating
Integrations 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
Temperature error (relative to input area) 25 °C ±0.1 % to 55 °C ±0.2 % total measurement range
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency
Common mode interference, min. 120 dB
Interrupts/diagnostics/status information
Alarms Yes
Diagnostic alarm Yes
Diagnostic messages
Diagnostic functions Yes; Can be read out
Wire break Yes
Diagnostics indication LED
for status of the inputs Yes
for maintenance Yes
Degree and class of protection
IP20 Yes
Standards, approvals, certificates
CE mark Yes
FM approval Yes
Climatic and mechanical conditions for storage and transport
Climatic conditions for storage and transport
Free fall
Drop height, max. (in packaging) 0.3 m; five times, in dispatch package
Permissible temperature range -40 °C to +70 °C
Air pressure acc. to IEC 60068-2-13
Permissible air pressure 1080 to 660 hPa
Mechanical and climatic conditions during operation
Climatic conditions in operation
Permissible temperature range 0 °C to 55 °C horizontal installation 0 °C to 45 °C vertical installation
Air pressure acc. to IEC 60068-2-13
Permissible air pressure 1080 to 795 hPa
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
Type of housing (front)
Plastic Yes
Width 38 mm
Height 62 mm
Depth 21 mm
Weight, approx. 35 g