| | SIMATIC S7, ANALOG INPUT SM 331, OPTICALLY ISOLATATED, 4 AI, 0/4 - 20MA, 1 X 20 PIN, F. SIGNALS F. HAZARDOUS AREAS, CAPABLE OF DIAGNOST.,PTB-TESTED |
| |
| Supply voltage |
| Load voltage L+ |
| Rated value (DC) | 24 V |
| Электропитание / [nicht versorgt - Eingang] / [nicht versorgt - Eingansstrom] |
| Потребление тока / [nicht versorgt - aus Rückwandbus DC 5 V,] | 60 mA |
| Потребление тока / [nicht versorgt - aus Versorgungsspannung L+,] | 150 mA |
| Электропитание / [nicht versorgt - Ausgang] / [nicht versorgt - Ausgangsspannung] |
| Power supply to the transmitters |
| present | Да |
| Rated value (DC) | 13 V |
| No-load voltage (DC) | 25,2 V |
| Power losses |
| Power loss, typ. | 3 W |
| Analog inputs |
| Количестыо аналоговых входов | 4 |
| permissible input current for current input (destruction limit), max. | 40 mA |
| Input ranges |
| Входная величина / у цифрового входа / Ток | Да |
| Input ranges (rated values), currents |
| Область входного тока / у цифрового входа / [nicht versorgt - 0 mA ... 20 mA] | Да |
| Input resistance (0 to 20 mA) | 50 Ω |
| Область входного тока / у цифрового входа / [nicht versorgt - 4 mA ... 20 mA] | Да |
| Input resistance (4 to 20 mA) | 50 Ω |
| Cable length |
| Cable length, shielded, max. | 200 m |
| Analog value creation |
| Integrations and conversion time/ resolution per channel |
| Аналого-цифровое разрешение / [nicht versorgt - inklusive Übersteuerungsbereich und Vorzeichen] / [nicht versorgt - je Kanal] / [nicht versorgt - maximal] | 16 bit |
| Функция продукта / [nicht versorgt - A/D-Integrationszeit parametrierbar] | Да |
| Encoder |
| Connection of signal encoders |
| for current measurement as 2-wire transducer | Да |
| for current measurement as 4-wire transducer | Да |
| Errors/accuracies |
| Operational limit in overall temperature range |
| Current, relative to input area | +/- 0,45 % |
| Basic error limit (operational limit at 25 °C) |
| Current, relative to input area | +/- 0,1 % |
| Interference voltage suppression for f = n x (fl +/- 1%), fl = interference frequency |
| Series mode interference (peak value of interference < rated value of input range), min. | 60 dB |
| Common mode interference, min. | 130 dB |
| Interrupts/diagnostics/status information |
| Diagnostic messages |
| Функция продукта / Диагностическая функция | Да |
| Diagnostic information readable | Да |
| Overrange | Да |
| Wire break in signal transmitter cable | Да |
| Short circuit of the signal encoder cable | Да |
| Diagnostics indication LED |
| Исполнение индикации / [nicht versorgt - für Diagnosefunktion: Kurzschluß je Kanal] / [nicht versorgt - LED rot] | Да |
| Исполнение индикации / [nicht versorgt - für Diagnosefunktion: Kurzschluß Sammelfehler] / [nicht versorgt - LED rot] | Да |
| Ex(i) characteristics |
| Module for Ex(i) protection | Да |
| Max. values of input circuits (per channel) |
| Co (permissible external capacity), max. | 90 nF |
| Io (short-circuit current), max. | 68,5 mA |
| Lo (permissible external inductivity), max. | 7,5 mH |
| Po (power of load), max. | 431 mW |
| Ri, max. | 50 Ω |
| Uo (output no-load voltage), max. | 25,2 V |
| Galvanic isolation |
| Развязка по напряжению / [nicht versorgt - Analogausgaben] |
| Galvanic isolation analog inputs | Да |
| Условия окружающей среды |
| Operating temperature |
| Температура окружающей среды / во время эксплуатации / максимальная | 60 °C |
| Weight |
| Weight, approx. | 290 g |
| Status | 27.02.2012 |
