Analog modules
6.16 Analog IO module SM 334; AI 4/AO 2 x 12 bit; (6ES7334-0KE00-0AB0)
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
6-141
Technical data
Constant measuring current for resistive transducers (pulsed)
• For PT 100
• at 10 kΩ
typ. 490 µA
typ. 105 µA
Electrical isolation
• between channels and the backplane bus
• between channels and electronics power supply
Yes
Yes
between channels No
Permissible potential difference
• between inputs and M
ANA
(CMV)
• between inputs (CMV)
• between M
ANA
and M
internal
(V
iso
)
1 V
1 V
75 VDC / 60 VAC
Isolation test voltage 500 VDC
Current consumption
• from the backplane bus
• from supply and load voltage L+ (no load)
max. 60 mA
max. 80 mA
Power loss of the module typ. 2 W
Generation of analog input values
Measuring principle Integrating
Integration/conversion time (per channel)
• programmable
Yes
• Integration time in ms
16
2
/
3
20
• Basic conversion time, including the integration time in ms
72 85
• Additional conversion time for resistance measurements in ms
72 85
• Resolution in bits (including overshoot range)
12 bits 12 bits
• Noise suppression at interference frequency f1 in Hz
60 50
Measured value smoothing programmable, in 2 stages
Time constant of the input filter 0.9 ms
Basic execution time of the module (all channels enabled) 350 ms
Generation of analog output values
Resolution (including overshoot range) 12 bits
Conversion time (per channel) 500 µs
Settling time
• with resistive load
• with capacitive load
0.8 ms
0.8 ms
Noise suppression, error limits for inputs
Noise suppression at F = n (f1 ± 1 %) (f1 = interference frequency)
• Common-mode noise (V
pp
< 1 V)
• Seriesmode interference (peak value of disturbance < rated input
range)
> 38 dB
> 36 dB
Crosstalk between inputs > 88 dB