Analog input module SM 331; AI 6 x TC Isolated (6ES7331‑7PE10‑0AB0)
A5E02398493-02, 11/2008
7
Technical Data
Electrical isolation
• between channels and the backplane bus
• between channels and electronics power supply
• between channels
in groups of
Yes
yes
yes
1
Maximum potential difference
• between channels (UCM)
• between the channels and Minternal (Viso)
250 VAC
250 VAC
Isolation test voltage 2500 VDC
Current consumption
• from the backplane bus
• from supply voltage L+
max. 100 mA
max. 150 mA
Power loss of the module typ. 2.2 W
Generation of analog values
Measuring principle Integrating
Integration/conversion time/resolution (per channel)
• programmable
• Integration time in ms
(1)
• Basic conversion time in ms
(2)
• Additional conversion time for wire-break monitoring
• Resolution (including overshoot range)
• Noise suppression at interference frequency f1 in Hz
Yes
10/16.67/20/100
30/50/60/300
25 ms
15 bits (+ sign)
400/60/50/10
Measured value smoothing none/weak/medium/strong
Noise suppression, error limits
Noise suppression at f = n x (f1 ± 1%), (f1 = interference frequency) n = 1.2, etc.
• Common-mode interference (UCM < 250 V AC)
• Normal mode interference (peak value of disturbance <
rated input range)
> 130 dB
(3)
> 90 dB
Crosstalk between inputs > 130 dB
(3)
Operational error limit (across temperature range 0-60 °C, relative to input range) This limit does not include the cold
junction error
Voltage input ranges
• ±25 mV
• ±50 mV
• ±80 mV
• ±250 mV
• ±500 mV
• ±1 V
± 0.12%
± 0.08%
± 0.06%
± 0.05%
± 0.05%
± 0.05%
Thermocouple
(4) (5)
-200 °C to +400 °C ± 0.6 °C Type T
-230 °C to -200 °C ± 1.6 °C
-150 °C to +600 °C ± 0.9 °C Type U
-200 °C to -150 °C ± 1.2 °C
-200 °C to +1000 °C ± 0.5 °C Type E
-230 °C to -200 °C ± 1.3 °C
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