SIEMENS SIMATIC S7-1200 SM 1231 4AI 6ES7231-4HD32-0XB0 Analog Input

SIEMENS SIMATIC S7-1200 SM 1231 4AI 6ES7231-4HD32-0XB0 Analog Input General information Product type designation SM 1231, AI 4x13 bit Supply voltage Rated value (DC) 24 V Input current Current consumption, typ. 45 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; Current or voltage differential inputs permissible input voltage for voltage input (destruction limit), max. 35 V permissible input current for current input (destruction limit), max. 40 mA Cycle time (all channels) max. 625 µs Input ranges ● Voltage Yes; ±10V, ±5V, ±2.5V ● Current Yes; 4 to 20 mA, 0 to 20 mA ● Thermocouple No ● Resistance thermometer No ● Resistance No Input ranges (rated values), voltages ● -10 V to +10 V Yes — Input resistance (-10 V to +10 V) ≥9 MOhm ● -2.5 V to +2.5 V Yes — Input resistance (-2.5 V to +2.5 V) ≥9 MOhm ● -5 V to +5 V Yes — Input resistance (-5 V to +5 V) ≥9 MOhm Input ranges (rated values), currents ● 0 to 20 mA Yes — Input resistance (0 to 20 mA) 280 Ω ● 4 mA to 20 mA Yes — Input resistance (4 mA to 20 mA) 280 Ω Analog value generation for the inputs Integration and conversion time/resolution per channel ● Resolution with overrange (bit including sign), max. 12 bit; + sign ● Integration time, parameterizable Yes ● Interference voltage suppression for interference frequency f1 in Hz 40 dB, DC to 60 V for interference frequency 50 / 60 Hz 6ES72314HD320XB0 Page 1/3 12/6/2023 Subject to change without notice Smoothing of measured values ● parameterizable Yes ● Step: None Yes ● Step: low Yes ● Step: Medium Yes ● Step: High Yes