Technical specifications
Measuring principle
Integrating (sigma-delta)
Integration/conversion time/resolution (per channel)
● Integration time can be configured
Yes
● Interference frequency suppression in Hz
60; 50
● Basic conversion time including integration time (per
channel) in ms
66; 80
● Additional conversion time for wire break check in ms 5
● Cycle time in ms
Number of active channels per module x
basic conversion time
● Resolution (including overrange)
15 bits + sign
Measured value smoothing
Yes, can be set in 4 steps
1
Step:
Time constant:
None
1 x cycle time
Low
4 x cycle time
Average
32 x cycle time
High
64 x cycle time
Noise suppression, error limits
Interference voltage suppression for f = n x (f1±1%), f1 = interference frequency
● Common-mode interference (U
CM
< 60 V)
min 90 dB
● Series mode interference (peak value of disturbance
< rated input range)
min 70 dB
Crosstalk between inputs
min. - 50 dB
Operational limit (over the entire temperature range, rel‐
ative to the input range)
2
± 1.5 K
Basic error limit (operational limit at 25°C, relative to the
input range)
2
± 1 K
Temperature error (relative to the input range)
± 0.02%/K
Linearity error (relative to the input range)
±0.015%
Repeatability
(in steady state at 25 °C, relative to the input range)
±0,01%
Limits of total error when using internal compensation
with TC sensor module
● Operational limit (in the entire temperature range with
a static, thermal state, ambient temperature change
< 10 K/hour).
± 3.5 K
● Basic error limit (operational error limit at 25 °C in
static thermal state, ambient temperature fluctuation
< 0.3 K/min)
± 2 K
Status, interrupts, diagnostics
Interrupts
● Limit value interrupt
Yes, can be set
● Diagnostic interrupt
Yes, can be set
Diagnostic functions
● Group error display
Red "SF" LED
Analog electronic modules
13.5 Analog electronics module 4 AI TC
ET 200iSP
Operating Instructions, 11/2017, A5E00247483-07
285
