Siemens SIMATIC ET 200S Manual page 479

Analog value generation
Measuring principle
Integration time/conversion
time/resolution per channel:
•
Integration time
parameterizable
•
Interference frequency
suppression in Hz
•
Integration time in
milliseconds
•
Basic conversion time
including Integration
time in milliseconds
• Additional conversion
time for wire break
check diagnosis in ms
•
Cycle time in ms
•
Resolution (including
overrange)
Suppression of interference, limits of error
Interference voltage sup-
pression for f = n x
(f1"1%), (f1 = interference
frequency)
•
Common-mode
interference (U )
pp
•
Series-mode
interference
(peak interference
value < rated value of
input range)
Crosstalk between the in-
puts
Operational limit for
"80 mV (in the entire tem-
perature range with refe-
rence to the input range)
ET 200S Distributed I/O System
EWA-4NEB780602402-09
Integrative
Yes
60 50
16.7 20
66 80
5 5
Number of active
channels per
module

conversion time
15 bits plus sign
Min. 90 dB
Min. 70 dB
Min. –50 dB
"0.1%
Analog Electronic Modules
Operational limit for thermo-
couples (in the entire tem-
perature range with refe-
rence to the input range)
Operational limit for thermo-
couple type C (in the entire
temperature range with re-
ference to the input range)
Basic error limit for "80 mV
(operational limit at 25_C
with reference to the input
range)
Basic error limit for thermo-
couples (operational limit at
25_C with reference to the
1)
input range)
Basic error limit for thermo-
couples of type C (operatio-
nal limit at 25_C with refe-
rence to the input range)
Temperature error (with re-
ference to the input range)
Linearity error (with refe-
rence to the input range)
Repeatability
(in steady state at 25_C
with reference to input
range)
Overall error limits using in-
ternal compensation
• Operational limit (in the
entire temperature
range with a static,
thermal state, ambient
temperature change
2)
< 0.3 K/min)
•
Basic error limit
(operational limit at
25_C with a static,
thermal state, ambient
temperature change
3)
< 0.3 K/min)
"1.5 K
1)
"7 K
1)
"0.05%
"1 K
"5 K
1)
"0.005%/K
"0.01%
"0.05%
"2.5 K
"1.5 K
13-95