Analog Electronic Modules
12-81
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Analog Value Formation
Measurement principle
integrating
Integration and cycle time /
resolution per channel:
•
Integration time
selectable
Yes
•
Interference frequency
suppression in Hz
60
50
•
Integration time in ms
16.7
20
•
Conversion time in ms
110
130
•
Cycle time in ms
Number of active
channels per
module x conversion
time
•
Resolution (incl.
overshoot range)
Pt100, Ni100/ 15 Bit
+ VZ
150
Ω
/14 Bit/
300
Ω,
600
Ω
/15 Bit
Interference Suppression, Error Limits
Interference voltage sup-
pression for f= n x (f1
1%),
(f1 = interference frequen-
cy)
•
Common mode
interference (U
SS
)
•
Common mode
interference
(peak value of
interference < rated
value of the input range)
min. 90 dB
min. 70 dB
Crosstalk between inputs
min. --50 dB
Operational error limits
(across the temperature
range, in relation to input
range)
0.6 %
Basic error limit (operational
error limit at 25
_
C, related
to the input range)
0.4 %
Temperature error (in rela-
tion to input range)
0.005 %/K
Linearity error (relative to
the input range)
0.01 %
Repetition accuracy
(in transient state at 25
_
C,
relative to input range)
0.05 %
Data for selection of the sensor
Input range (rated
value)/input resistance
•
Resistance
150
Ω
/min. 2 M
Ω
300
Ω
/min. 2 M
Ω
600
Ω
/min. 2 M
Ω
•
Resistive thermo-
meter
Pt100/min. 2 M
Ω
Ni100/min. 2 M
Ω
Permitted continuous input
voltage (destruction limit)
Max. 9 V
Connection of signal
generators
•
for measuring
resistance
-- 2 and 3-wire
connection
-- 4-wire connection
Yes, wire
resistances are also
measured, bridges
on T
R
Yes
Characteristics linearization Yes, configurable for
Pt100, Ni100
Smoothing of measured
values
Yes, configurable in
4 stages by digital
filtering
Level
No
weak
medium
strong
Time constant
1 x cycle time
4 x cycle time
32 x cycle time
64 x cycle time
Содержание SIMATIC ET 200S
Страница 42: ...Product Overview 1 16 ET 200S Distributed I O System EWA 4NEB 780602402 12 ...
Страница 64: ...Brief Instructions on Commissioning ET 200S 2 22 ET 200S Distributed I O System EWA 4NEB 780602402 12 ...
Страница 112: ...Configuration Options 3 48 ET 200S Distributed I O System EWA 4NEB 780602402 12 ...
Страница 232: ...Commissioning and Diagnostics 6 72 ET 200S Distributed I O System EWA 4NEB 780602402 12 ...
Страница 244: ...General Technical Specifications 7 12 ET 200S Distributed I O System EWA 4NEB 780602402 12 ...
Страница 274: ...Interface Modules 8 30 ET 200S Distributed I O System EWA 4NEB 780602402 12 ...
Страница 538: ...4 IQ SENSE 13 18 ET 200S Distributed I O System EWA 4NEB 780602402 12 ...
Страница 564: ...Address Space of the Input and Outputs of the ET 200S C 4 ET 200S Distributed I O System EWA 4NEB 780602402 12 ...
Страница 574: ...Response Times D 10 ET 200S Distributed I O System EWA 4NEB 780602402 12 ...
Страница 580: ...Special Measures for Interference Free Operation F 4 ET 200S Distributed I O System EWA 4NEB 780602402 12 ...
Страница 600: ...Product Information on the Use of subassemblies modules in a Zone 2 Hazardous Area 2 A5E00352937 02 ...