Siemens SIMATIC S7-300 Manual page 266

Analog modules
6.5 Analog input module SM 331; AI 8 x 14 Bit High Speed; synchronous; (6ES7331-7HF0x-0AB0)
Technical data
Operational limit (across temperature range, relative to input range)
Voltage input
•
Current input
•
Basic error limit (operational error limit at 25 °C, relative to input range)
Voltage input
•
Current input
•
Temperature error (relative to input range)
Linearity error (relative to input range)
Repetition accuracy (in transient state at 25 °C, relative to
input range)
Status, interrupts, diagnostics
Interrupts
Hardware interrupt
•
Diagnostic interrupt
•
Diagnostics functions
Group error display
•
Reading diagnostics information
•
Transducer selection data
Input ranges (rated values) / input impedance
Voltage
•
Current
•
Permissible voltage at voltage input (destruction limit)
Permissible current at current input (destruction limit)
Wiring signal transducers
for voltage measurement
•
for current measurement
•
as 2-wire transducer
as 4-wire transducer
Load of the 2-wire transducer at L+ = DC 24 V
•
Characteristic linearization
6-32
± 1 V
± 5 V
± 10 V
1 to 5 V
± 20 mA
0 mA to 20 mA
4 mA to 20 mA
± 1 V
± 5 V
± 10 V
1 to 5 V
± 20 mA
0 mA to 20 mA
4 mA to 20 mA
± 0.004 %/K
± 0,03 %
± 0,1 %
programmable
programmable
red LED (SF)
supported
± 1 V
± 5 V
± 10 V
1 to 5 V
± 20 mA
0 mA to 20 mA
4 mA to 20 mA
max. 20 V continuous; 75 V for the duration of max. 1 s
(duty factor 1:20)
40 mA
with 20-pin front connector
supported
supported
supported
max. 820 Ω
None
S7-300 Automation System Module data
± 0,3 %
± 0,4 %
± 0,3 %
± 0,4 %
± 0,3 %
± 0,3 %
± 0,3 %
± 0,2 %
± 0,25 %
± 0,2 %
± 0,25 %
± 0,2 %
± 0,2 %
± 0,2 %
10 MΩ
100 kΩ
100 kΩ
100 kΩ
50 Ω
50 Ω
50 Ω
Manual, 08/2006, A5E00105505-04