Chưa cập nhật
Item code: 3RA2816-0EW20
- Unit
- Chưa cập nhật
Loading content…
Loading content…
No online payment is required. TESFA will verify the item code, quantity, supply conditions and respond with a quotation using your contact details.
For MRO items, verifying the correct code matters more than selecting by image. TESFA checks the key technical points before confirming a quotation.
Module ngõ vào tương tự SIEMENS 6ES7431-1KF20-0AB0. Supply voltage / Load voltage L+ / Rated value (DC): 24 V; Only required for supplying 2-wire transmitters; Supply voltage / Load voltage L+ / Reverse polarity protection: Yes; Input current / from load voltage L+ (without load), max.: 200 mA; for 8 connected, fully controlled 2-wire transmitters.
Item code
6ES7431-1KF20-0AB0
Unit
Chưa cập nhật
Supply status
Contact for quote
Required quantity (Chưa cập nhật)
No online payment is required. TESFA will verify the item code, quantity, supply conditions and respond with a quotation using your contact details.
For MRO items, verifying the correct code matters more than selecting by image. TESFA checks the key technical points before confirming a quotation.
| Attribute | Product specification |
|---|---|
| Mã sản phẩm | 6ES7431-1KF20-0AB0 |
| Tên gọi chính hãng | SIMATIC S7-400, analog input SM 431, isolated 8 AI, resolution 14 bit, U/IResistor 8 AI, cycle time 0.416 ms |
| Supply voltage / Load voltage L+ / Rated value (DC) | 24 V; Only required for supplying 2-wire transmitters |
| Supply voltage / Load voltage L+ / Reverse polarity protection | Yes |
| Input current / from load voltage L+ (without load), max. | 200 mA; for 8 connected, fully controlled 2-wire transmitters |
| Input current / from backplane bus 5 V DC, max. | 1 000 mA |
| Power loss / Power loss, typ. | 4.9 W |
| Analog inputs / Số ngõ vào tương tự | 8 |
| Analog inputs / For voltage/current measurement | 8 |
| Analog inputs / For resistance measurement | 4 |
| Analog inputs / permissible input voltage for voltage input (destruction limit), max. | 18 V; 18 V continuous, 75 V for 1 ms (mark to space ratio 1:20) |
| Analog inputs / permissible input current for current input (destruction limit), max. | 40 mA; Permanent |
| Analog inputs / Constant measurement current for resistance-type transmitter, typ. | 1.67 mA |
| Analog inputs / Input ranges / Voltage | Yes |
| Analog inputs / Input ranges / Current | Yes |
| Analog inputs / Input ranges / Thermocouple | No |
| Analog inputs / Input ranges / Resistance thermometer | No |
| Analog inputs / Input ranges / Resistance | Yes |
| Analog inputs / Input ranges (rated values), voltages / 1 V to 5 V | Yes |
| Analog inputs / Input ranges (rated values), voltages / Input resistance (1 V to 5 V) | 10 M Ω |
| Analog inputs / Input ranges (rated values), voltages / -1 V to +1 V | Yes |
| Analog inputs / Input ranges (rated values), voltages / Input resistance (-1 V to +1 V) | 10 M Ω |
| Analog inputs / Input ranges (rated values), voltages / -10 V to +10 V | Yes |
| Analog inputs / Input ranges (rated values), voltages / Input resistance (-10 V to +10 V) | 100 k Ω |
| Analog inputs / Input ranges (rated values), currents / -20 mA to +20 mA | Yes |
| Analog inputs / Input ranges (rated values), currents / Input resistance (-20 mA to +20 mA) | 50 Ω |
| Analog inputs / Input ranges (rated values), currents / 4 mA to 20 mA | Yes |
| Analog inputs / Input ranges (rated values), currents / Input resistance (4 mA to 20 mA) | 50 k Ω |
| Analog inputs / Input ranges (rated values), resistors / 0 to 600 ohms | Yes |
| Cable length / shielded, max. | 200 m |
| Analog value generation for the inputs / Integration and conversion time/resolution per channel / Resolution with overrange (bit including sign), max. | 14 bit; 14 / 14 / 14 |
| Analog value generation for the inputs / Integration and conversion time/resolution per channel / Integration time, parameterizable | Yes |
| Analog value generation for the inputs / Integration and conversion time/resolution per channel / Basic conversion time (ms) | 52 μs |
| Analog value generation for the inputs / Integration and conversion time/resolution per channel / Interference voltage suppression for interference frequency f1 in Hz | none / 400 / 60 / 50 Hz |
| Analog value generation for the inputs / Integration and conversion time/resolution per channel / Time constant of the input filter | 15 μs |
| Analog value generation for the inputs / Integration and conversion time/resolution per channel / Basic execution time of the module (all channels released) | 0.42 ms |
| Encoder / Connection of signal encoders / for voltage measurement | Yes; possible |
| Encoder / Connection of signal encoders / for current measurement as 2-wire transducer | Yes |
| Encoder / Connection of signal encoders / for current measurement as 4-wire transducer | Yes |
| Encoder / Connection of signal encoders / for resistance measurement with two-wire connection | Yes; Line resistances are also measured |
| Encoder / Connection of signal encoders / for resistance measurement with three-wire connection | Yes; Line resistances are also measured |
| Encoder / Connection of signal encoders / for resistance measurement with four-wire connection | Yes |
| Errors/accuracies / Temperature error (relative to input range), (+/-) | 0.03 %/K |
| Errors/accuracies / Operational error limit in overall temperature range / Voltage, relative to input range, (+/-) | 0.7 %; ±0.7 % at ±1 V; ±0.9 % at ±10 V, 1 to 5 V |
| Errors/accuracies / Operational error limit in overall temperature range / Current, relative to input range, (+/-) | 0.8 %; at ±20 mA, 4 to 20 mA |
| Errors/accuracies / Operational error limit in overall temperature range / Resistance, relative to input range, (+/-) | 1 % |
| Errors/accuracies / Basic error limit (operational limit at 25 °C) / Voltage, relative to input range, (+/-) | 0.6 %; 0.6 % at ±1 V; 0.75 % at ±10 V, 1 to 5 V |
| Errors/accuracies / Basic error limit (operational limit at 25 °C) / Current, relative to input range, (+/-) | 0.7 %; at ±20 mA, 4 to 20 mA |
| Errors/accuracies / Basic error limit (operational limit at 25 °C) / Resistance, relative to input range, (+/-) | 0.7 %; 0 to 600 ohms |
| Interrupts/diagnostics/status information / Diagnostics function | No |
| Potential separation / Potential separation analog inputs / Potential separation analog inputs | Yes; internal/external |
| Potential separation / Potential separation analog inputs / between the channels | No |
| Potential separation / Potential separation analog inputs / between the channels and backplane bus | Yes |
| Potential separation / Potential separation analog inputs / Between the channels and load voltage L+ | Yes |
| Isolation / Isolation tested with | 2 120 V DC between bus and analog section; 500 V DC between bus and local ground; 500 V DC between analog part and L+/M; 2 120 V DC between analog part and local ground; 2 120 V DC between L+/M and local ground |
| Dimensions / Chiều rộng | 25 mm |
| Dimensions / Chiều cao | 290 mm |
| Dimensions / Chiều sâu | 210 mm |
| Weights / Khối lượng xấp xỉ | 500 g |
Item code: 3RA2816-0EW20
Item code: 3RT2035-1NB30
Item code: 6MF2805-0AA00
Item code: 6ES7440-1CS00-0YE0
Hướng dẫn đọc mã van điện từ SMC dòng SY3000, SY5000, SY7000 và SY9000 theo catalog hãng, kèm ví dụ SKU thật và checklist tránh đặt nhầm cấu hình.
Theo đường đi của khí nén để hiểu tiền điện đến từ đâu, tính thử chi phí và chuẩn bị checklist kiểm tra rò rỉ trong nhà máy.
Chọn ống khí PU/PA theo kích thước, áp suất tại nhiệt độ dùng, bán kính uốn và môi trường. Có bảng đối chiếu và checklist thay ống MRO.
