Siemens S7-1200, analog Input SM 1231 RTD, 8 AI - 6ES7231-5PF32-0XB0
SIMATIC S7-1200, Analog input, SM 1231 RTD, 8xAI RTD module...
VAT-exclusive price: 63.699,07 |
VAT-inclusive price: 76.438,88 |
| General information | |
| Product type designation | SM 1231, AI 8x16 bit RTD |
| Supply voltage | |
| Rated value (DC) | 24 V |
| Input current | |
| Current consumption, typ. | 40 mA |
| from backplane bus 5 V DC, typ. | 80 mA |
| Power loss | |
| Power loss, typ. | 1.5 W |
| Analog inputs | |
| Number of analog inputs | 8; Resistance thermometer |
| permissible input voltage for voltage input (destruction limit), max. | ±35 V |
| Technical unit for temperature measurement adjustable | Degrees Celsius/degrees Fahrenheit |
| Input ranges | |
| ● Voltage | No |
| ● Current | No |
| ● Thermocouple | No |
| ● Resistance thermometer | Yes; Resistance-type transmitter: Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000 |
| ● Resistance | Yes; 150 Ω, 300 Ω, 600 Ω |
| Input ranges (rated values), resistance thermometer | |
| ● Cu 10 | Yes |
| — Input resistance (Cu 10) | 10 Ω |
| ● Ni 100 | Yes |
| — Input resistance (Ni 100) | 100 Ω |
| ● Ni 1000 | Yes |
| — Input resistance (Ni 1000) | 1 000 Ω |
| ● LG-Ni 1000 | Yes |
| — Input resistance (LG-Ni 1000) | 1 000 Ω |
| ● Ni 120 | Yes |
| — Input resistance (Ni 120) | 120 Ω |
| ● Ni 200 | Yes |
| — Input resistance (Ni 200) | 200 Ω |
| ● Ni 500 | Yes |
| — Input resistance (Ni 500) | 500 Ω |
| ● Pt 100 | Yes |
| — Input resistance (Pt 100) | 100 Ω |
| ● Pt 1000 | Yes |
| — Input resistance (Pt 1000) | 1 000 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 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 50 / 60 / 400 Hz |
| 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), (+/-) | 0.05 % |
| 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 | |
| ● Monitoring the supply voltage | Yes |
| ● Wire-break | Yes |
| Diagnostics indication LED | |
| ● for status of the inputs | Yes |
| ● for maintenance | Yes |
| Degree and class of protection | |
| IP degree of protection | IP20 |
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