| 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 |