品牌：SIEMENS/西门子 系列：西门子S7-1200安全数字量输入输出模块 型号：6ES7231-5PD32-0XB0 6ES7231-4HF32-0XB0 6ES7231-4HD32-0XB0 6ES7221-3BD30-0XB0 6ES7222-1XF32-0XB0 工作电压：24V
SIMATIC S7-1200, Analog input, SM 1231 RTD, 4xAI RTD Module
| General information | |||
| Product type designation | SM 1231, AI 4x16 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 | 4; 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 — Input resistance (Cu 10) ● Ni 100 — Input resistance (Ni 100) ● Ni 1000 — Input resistance (Ni 1000) ● LG-Ni 1000 — Input resistance (LG-Ni 1000) ● Ni 120 — Input resistance (Ni 120) ● Ni 200 — Input resistance (Ni 200) ● Ni 500 — Input resistance (Ni 500) ● Pt 100 — Input resistance (Pt 100) |
Yes | ||
| 10 Ω | |||
| Yes | |||
| 100 Ω | |||
| Yes | |||
| 1 000 Ω | |||
| Yes | |||
| 1 000 Ω | |||
| Yes | |||
| 120 Ω | |||
| Yes | |||
| 200 Ω | |||
| Yes | |||
| 500 Ω | |||
| Yes | |||
| 100 Ω | |||
|
● Pt 1000 — Input resistance (Pt 1000) ● Pt 200 — Input resistance (Pt 200) ● Pt 500 — Input resistance (Pt 500) |
Yes 1 000 Ω Yes 200 Ω Yes 500 Ω |
||
| Input ranges (rated values), resistors | |||
|
● 0 to 150 ohms ● 0 to 300 ohms ● 0 to 600 ohms |
Yes Yes 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. ● Integration time, parameterizable ● Interference voltage suppression for interference frequency f1 in Hz |
15 bit; + sign No 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 ● Wire-break |
Yes Yes |
||
| Diagnostics indication LED | |||
|
● for status of the inputs ● for maintenance |
Yes Yes |
||
| Degree and class of protection | |||
| IP degree of protection | IP20 | ||
| 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. ● max. ● horizontal installation, min. ● horizontal installation, max. ● vertical installation, min. ● vertical installation, max. |
-20 °C 60 °C -20 °C 60 °C -20 °C 50 °C |
||
| Ambient temperature during storage/transportation | |||
| ● min. | -40 °C | ||
| ● max. | 70 °C | ||
| Air pressure acc. to IEC 60068-2-13 | |||
|
● Operation, min. ● Operation, max. ● Storage/transport, min. ● Storage/transport, max. |
795 hPa 1 080 hPa 660 hPa 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 / header | |||
| required front connector | Yes | ||
| Mechanics/material | |||
|
Enclosure material (front) ● Plastic |
Yes | ||
| Dimensions | |||
| Width | 45 mm | ||
| Height | 100 mm | ||
| Depth | 75 mm | ||
| Weights | |||
| Weight, approx. | 220 g | ||
| 6ES7214-1AF40-0XB0 | 6ES7212-1AE40-0XB0 | 6ES7214-1HF40-0XB0 |
| 6ES7212-1HF40-0XB0 | 6ES7212-1AF40-0XB0 | 6ES7215-1HF40-0XB0 |
| 6ES7215-1AF40-0XB0 | 6ES7211-1HE40-0XB0 | 6ES7212-1BE40-0XB0 |
| 6ES7212-1HE40-0XB0 | 6ES7211-1BE40-0XB0 | 6ES7211-1AE40-0XB0 |
| 6ES7212-1HF42-4YB1 | 6ES7217-1AG40-0XB0 | 6ES7215-1HG40-0XB0 |
| 6ES7215-1AG40-0XB0 | 6ES7214-1BG40-0XB0 | 6ES7214-1HG40-0XB0 |
| 6ES7212-1HF41-4YB1 | 6ES7214-1AG40-0XB0 | 6ES7215-1BG40-0XB0 |
