Analog modules
6.6 Analog input module SM 331; AI 8 x 13 Bit;(6ES7331-1KF01-0AB0)
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
6-45
Technical data
Temperature error (relative to input range) ± 0.006 %/K / 0.006 K/K
Linearity error (relative to input range) ± 0.1 % / 0.1 K
Repetition accuracy (in transient state at 25 °C, relative to input
range)
± 0.1 % / ± 0.1 K
Status, interrupts, diagnostics
Interrupts None
Diagnostics functions None
Transducer selection data
Input ranges (rated values) / input impedance
• Voltage
± 50 mV
± 500 mV
± 1 V
± 5 V
± 10 V
1 V to 5 V
0 V to 10 V
100 kΩ
• Current
± 20 mA
0 mA to 20 mA
4 mA to 20 mA
50 Ω
• Resistance
0 kΩ to 6 kΩ
0 Ω to 600 Ω
100 MΩ
• Resistance thermometers
Pt 100
Ni 100
Ni 1000
LG-Ni
1000
Standard / Klima
100 MΩ
Permissible voltage at voltage input U+ (destruction limit) max. 30 V, continuous
Permissible input voltage at voltage inputs M+, M-, S-
(destruction limit)
max. 12 V continuous; 30 V for a duration of max. 1 s
Permissible current at current input I+ (destruction limit) max. 40 mA
Wiring signal transducers with 40-pin front connector
• for voltage measurement
• for current measurement
– as 2-wire transducer
– as 4-wire transducer
supported
supported, with external supply
supported
• for resistance measurement
with 2-wire connection
with 3-wire connection
with 4-wire connection
supported
supported
supported
Characteristic linearization programmable
• for resistance thermometers
Pt 100 Standard / Klima
Ni 100 Standard / Klima
Ni 1000 Standard / Klima
LG-Ni 1000 Standard / Klima
• Technical unit of temperature measurements
Degrees Centigrade, degrees Fahrenheit, Kelvin
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