Customization: | Available |
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Task: | Collect |
Structure: | Closed-Loop |
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The SB 1231 RTD signal board permits temperature recording with high precision using resistance temperature detectors. The SB 1231 RTD signal board can be used with SIMATIC S7-1200 CPUs. The SB 1231 RTD signal board can be plugged directly into all SIMATIC S7-1200 CPUs.
This provides users with the following advantages:
The signal boards are plugged straight into the holder on the front of the S7-1200-CPU.
SIMATIC S7-1200, Analog input, SB 1231RTD, 1 AI RTD, Pt100 and Pt1000 | ||||||||
General information | ||||||||
Product type designation | SB 1231, AI 1x16 bit RTD | |||||||
Supply voltage | ||||||||
Rated value (DC) | 24 V | |||||||
Input current | ||||||||
Current consumption, typ. | 5 mA 20 mA |
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from backplane bus 5 V DC, typ. | ||||||||
Power loss | ||||||||
Power loss, typ. | 0.5 W | |||||||
Analog inputs | ||||||||
Number of analog inputs | 1; Resistance thermometer ±35 V Degrees Celsius/degrees Fahrenheit |
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permissible input voltage for current input (destruction limit), max. | ||||||||
Technical unit for temperature measurement adjustable | ||||||||
Input ranges | ||||||||
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Yes No No Yes; Platinum (Pt) Yes; 150 Ω, 300 Ω, 600 Ω |
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Input ranges (rated values), voltages | ||||||||
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>= 10 MOhm |
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Input ranges (rated values), resistance thermometer | ||||||||
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Yes 100 ohm Yes 1 000 ohm Yes 200 ohm Yes 500 ohm |
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Input ranges (rated values), resistors | ||||||||
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Yes Yes Yes |
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Thermocouple (TC) | ||||||||
Temperature compensation | ||||||||
- parameterizable | No | |||||||
Analog outputs | |
Number of analog outputs | 0 |
Cable length | |
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100 m; shielded, twisted pair |
Analog value generation for the inputs | |
Measurement principle | integrating |
Integration and conversion time/resolution per channel | |
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15 bit; + sign No 85 dB at 10 / 50 / 60 / 400 Hz |
Errors/accuracies | |
Temperature error (relative to input range), (+/-) | 25 °C ±0.1%, to 55 °C ±0.2% total measurement range 0.05 % |
Repeat accuracy in steady state at 25 °C (relative to output range), (+/-) | |
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency | |
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120 dB |
Interrupts/diagnostics/status information | |
Alarms | Yes Yes; Can be read out |
Diagnostics function | |
Alarms | |
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Yes |
Diagnoses | |
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Yes |
Diagnostics indication LED | |
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Yes Yes |
Ambient conditions | |
Free fall | |
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0.3 m; five times, in product package |
Ambient temperature during operation | |
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-20 °C 60 °C -20 °C 60 °C -20 °C 50 °C |
Ambient temperature during storage/transportation | |
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-40 °C 70 °C |
Air pressure acc. to IEC 60068-2-13 | |
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795 hPa 1 080 hPa 660 hPa 1 080 hPa |
Relative humidity | |
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95 % |
Pollutant concentrations | |
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S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free |
connection method / header |
required front connector | Yes |
Mechanics/material | |
Enclosure material (front)
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Yes |
Dimensions | |
Width | 38 mm 62 mm 21 mm |
Height | |
Depth | |
Weights | |
Weight, approx. | 35 g |