Siemens SIMATIC - Page 421

Analog modules
6.11 Analog input module SM 331, AI 6 x TC isolated (6ES7331-7PE10-0AB0)
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
421
Technical specifications
Status, interrupts, diagnostics
Interrupts
• Hardware interrupt
• Diagnostic interrupt
Programmable (channels 0 to 5)
programmable
Diagnostic functions
• Group error display
• Reading diagnostics information
programmable
red LED (SF)
Supported
Sensor selection data
Input ranges (rated values) / input impedance
• Thermocouple
• Voltage
Type B, C, N, E, R, S, J, L,
T, K, U, TxK/XK (L)
± 25 mV
± 50 mV
± 80 mV
± 250 mV
± 500 mV
± 1 V
10 MΩ
10 MΩ
10 MΩ
10 MΩ
10 MΩ
10 MΩ
Maximum input voltage for voltage input (destruction limit) 35 VDC continuous; 75 VDC for the duration of max. 1 s
(duty factor 1:20)
Characteristics linearization
programmable
Temperature compensation
• Internal temperature compensation
• External temperature compensation with Pt 100
• Compensation for 0 °C reference junction temperature
• Compensation for 50 °C reference junction temperature
• Technical unit of temperature measurement
programmable
Supported
Supported
Supported
Supported
Degrees Centigrade/Degrees Fahrenheit/Kelvin