Analog modules
9.3 SM 336; F-AI 6 x 0/4 ... 20 mA HART
Fail-safe signal modules
Installation and Operating Manual, 01/2010, A5E00085586-10
265
Technical data
Level Time constant
None
1 × conversion cycle time
Weak
4 × conversion cycle time
Medium
16 × conversion cycle time
Strong
64 × conversion cycle time
Conversion cycle time = (basic response time + N × response time per channel pair)
(N = number of active channel pairs)
At 50 Hz, all channel pairs active
125 ms
Acknowledgment time
(DAT - Device Acknowledgement Time)
100 ms
Noise suppression, error limits
Interference voltage suppression for f=n ×
(f1±0.5%),
(f1=interference frequency)
Common-mode interference (U
CM
≤ 60 V AC)
Min. 70 dB
Series-mode interference (peak value of
interference < rated value of input range)
Min. 40 dB
Crosstalk between inputs Min. 70 dB
Operational limit (across the temperature range,
relative to measuring range end value of 20 mA)
± 0.2% (40 µA)
Basic error limit (operational limit at 25 °C, relative
to full-scale value 20 mA)
± 0,1 %
Temperature error (relative to full-scale value 20
mA)
± 0.002%/K
Linearity error (relative to full-scale value 20 mA) ± 0,01 %
Repeatability (in steady state at 25 °C, relative to
full-scale value 20 mA)
± 0,015 %
Influence of a HART signal superimposed on the input signal (relative to the full-scale value 20 mA, in
addition to the basic error)
20 ms integration time
± 0,12 %
16.67 ms integration time
± 0,12 %
Status, Interrupts, Diagnostics
Interrupts
Process interrupt
No
Diagnostic interrupt
Yes, assignable
Diagnostics functions Yes, assignable
Indication of safety-oriented operation
Green LED (SAFE)
Channel fault display
Red LED (F0...5)
Group fault display
Red LED (SF)
HART status display
Green LED (H0...5)
Diagnostic information can be read out
Yes
Fail-safe values can be switched to Programmable in safety program
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