Analog Electronic Modules
12-121
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
Analog Value Generation
Measuring principle Integrative
Integration time/conversion
time/resolution per channel:
Integration time
parameterizable
Yes
Interference frequency
suppression in Hz
60 50
Integration time in
milliseconds
16.7 20
Basic conversion time
including Integration
time in milliseconds
66 80
Additional conversion
time for wire break
check diagnosis in ms
55
Cycle time in ms Number of active
channels per
module
conversion time
Resolution (including
overrange)
15 bits plus sign
Suppression of Interference, Limits of Error
Interference voltage sup-
pression for f =
n x (f1"1%), (f1 = interfe-
rence frequency)
Common-mode
interference (U
pp
)
Series-mode
interference
(peak interference
value < rated value of
input range)
Min. 90 dB
Min. 70 dB
Crosstalk between the in-
puts
Min. –50 dB
Operational limit for
"80 mV (in the entire tem-
perature range with refe-
rence to the input range)
"0.1%
Operational limit for thermo-
couples (in the entire tem-
perature range with refe-
rence to the input range)
1
"1.5 K
Operational limit for thermo-
couple type C (in the entire
temperature range with re-
ference to the input range)
1
"7 K
Basic error limit for "80 mV
(operational limit at 25C
with reference to the input
range)
"0.05%
Basic error limit for thermo-
couples (operational limit at
25C with reference to the
input range)
1
"1 K
Basic error limit for thermo-
couples of type C (operatio-
nal limit at 25C with refe-
rence to the input range)
1
"5 K
Temperature error (with re-
ference to the input range)
"0.005%/K
Linearity error (with refe-
rence to the input range)
"0.01%
Repeatability
(in steady state at 25C
with reference to input
range)
"0.05%
Overall error limits using in-
ternal compensation
Operational limit (in the
entire temperature
range with a static,
thermal state, ambient
temperature change
< 0.3 K/min)
2
"2.5 K
Basic error limit
(operational limit at
25C with a static,
thermal state, ambient
temperature change
< 0.3 K/min)
3
"1.5 K
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