Siemens ET 200S Manual page 429

Analog Value Generation
Measuring principle
Integration and cycle time/
resolution per channel:
S
Integration time
parameterizable
S
Interference frequency
suppression in Hz
S
Integration time in
milliseconds
S
Conversion time in ms
S
Cycle time in ms
S
Resolution (including
overrange)
Suppression of Interference, Limits of Error
Interference voltage sup-
pression for f =
n x (f1  1%), (f1 = interfe-
rence frequency)
S
Common-mode
interference (U )
pp
S
Series-mode
interference
(peak interference
value < rated value of
input range)
S
Crosstalk between the
inputs
Operational limit
(entire temperature range
with reference to input
range)
Basic error limit (operational
limit at 25 _C with reference
to 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)
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
Integrative Input range (rated
value)/input resistance
S
Yes
Permitted input voltage
60 50
(destruction limit)
16.7 20
Smoothing of the measured
values
55 65
Number of active
channels per

module
conversion time

10 V/13 bits +
sign

5 V/13 bits + sign
1 to 5 V/13 bits
Min. 90 dB
Min. 70 dB
Min. –50 dB
" 0.6 %
"0.4%
"0.01%/K
"0.01%
"0.05 %
Analog Electronic Modules
Data for Selecting a Sensor
Voltage
Step
None
Weak
Medium
Strong
"5 V/min. 100 kΩ
1 to 5 V/min. 100 kΩ
"10 V/min. 100 kΩ
35 V continuous,
75 V for max. 1 ms
(pulse duty factor
1:20)
Yes, parameteriza-
ble in 4 steps by
means of digital filte-
ring
Time constant
1 x cycle time
4 x cycle time
32 x cycle time
64 x cycle time
12-73