Siemens SIMATIC Manual

Also see for Simatic S7-300: User manual Getting started Technical data Operating instructions Installation manual

Analog modules6.4 Analog input module SM 331; AI 8 x 16 Bit; (6ES7331-7NF10-0AB0)S7-300 Module data322 Manual, 06/2017, A5E00105505-AJTechnical specificationsStatus, interrupts, diagnosticsInterrupts• Hardware interrupt when limit value is exceeded• Hardware interrupt at end of cycle• Diagnostic interruptProgrammable channels 0 to 7programmableprogrammableDiagnostic functions programmable• Group error display• Reading diagnostic informationred LED (SF)supportedEncoder selection dataInput range (rated values) / input impedance• Voltage ± 5 V / 2 MΩ1 V to 5 V / 2 MΩ± 10 V / 2 MΩ• Current 0 mA to 20 mA / 250 Ω4 mA to 20 mA / 250 Ω± 20 mA / 250 ΩMaximum voltage at voltage input (destruction limit) 35 V continuous; 75 V for max. duration of 1 s (dutyfactor 1:20)Maximum current at current input (destruction limit) 40 mAWiring of the signal transmitters using a 40pin front connector• for voltage measurement• for current measurementas 2-wire transduceras 4-wire transducersupportedpossible, with separate transducer supplysupported1) Interference frequency for 4-channel mode is "All"2) Interference frequencies 50/60/400 Hz are designated as "All"3) The series mode rejection in 8-channel mode is reduced as follows:50 Hz > 70 db60 Hz > 70 db400 Hz > 80 dB50/60/400 Hz > 90 dB4) In 4-channel mode, the converted value settles to 100% within 80 ms. The value determined in this process is returnedat intervals of max. 10 ms.