Siemens SIMATIC - Page 487

Analog modules
6.17 Analog IO module SM 334; AI 4/AO 2 x 12 bit; (6ES7334-0KE00-0AB0)
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
487
Technical specifications
Voltages, currents, electrical potentials
Supply voltage of the rated electronics and load voltage L+
• Reverse polarity protection
24 V DC
Yes
Constant measuring current for resistive transducers (pulsed)
• For PT 100
• at 10 kΩ
typ. 490 µA; from product version 06: 1.5 mA
typ. 105 µA
Electrical isolation
• between channels and the backplane bus
• between channels and electronics power supply
Yes
Yes
between channels
No
Maximum potential difference
• between inputs and M
ANA
(V
CM
)
• between inputs (V
CM
)
1 V
1 V
Isolation test voltage
500 V DC
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
• Interference frequency 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
Transient recovery time
• with resistive load
• with capacitive load
0.8 ms
0.8 ms