Siemens SIMATIC ET 200S Manual page 492

Analog Electronic Modules
Analog Value Formation
Measurement principle
Integration and cycle time /
resolution per channel:
•
Integration time
selectable
•
Interference frequency
suppression in Hz
•
Integration time in ms
•
Basic conversion time
incl. integration time in
ms
•
Additional conversion
time for wire break
diagnostics in ms
•
Additional conversion
time for wire
compensation with
3-wire connection in ms
•
Cycle time in ms
•
Resolution (incl.
overshoot range)
12-86
integrating (Sigma-
Delta)
Yes
60 50
16.7 20
50 60
5 5
50 60
Number of active
channels per
module x conversion
time
Pt100; Ni100; Ni120;
Pt200; Ni200; Pt500;
Ni500; Pt1000;
Ni1000; Cu10 /
15 bits + sign
150 Ω; 300 Ω;
600 Ω; 3000 Ω; /
15 bits
1)
PTC / 1 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)
Crosstalk between inputs
Operational error limits
(across the temperature
range, in relation to input
range)
•
Resistive encoder
•
Pt100, Pt200, Pt500,
Pt1000 Standard
•
Pt100, Pt200, Pt500,
Pt1000 Climatic
•
Ni100, Ni120, Ni200,
Ni500, Ni 1000
Standard and Climatic
•
Cu10
Basic error limit for
resistive sensor (operation-
al error limit at 25 _C, re-
lated to the input range)
•
Resistive encoder
•
Pt100, Pt200, Pt500,
Pt1000 Standard
•
Pt100, Pt200, Pt500,
Pt1000 Climatic
•
Ni100, Ni120, Ni200,
Ni500, Ni1000 Standard
and Climatic
•
Cu10
Temperature error (in rela-
tion to input range)
Linearity error (relative to
the input range)
Repetition accuracy
(in transient state at 25_C,
relative to input range)
ET 200S Distributed I/O System
min. 90 dB
min. 70 dB
min. --50 dB
0.1 %
1.0 K
0.25 K
0.4 K
1.5 K
0.05 %
0.6 K
0.13 K
0.2 K
1.0 K
0.0009 %/K
0.01 %
0.05 %
EWA-4NEB 780602402-12