12-13
ET 200L, ET 200L-SC and ET 200L-SC IM-SC Distributed I/O Device
EWA 4NEB 780 6009-02c
Analog value formation
Measurement principle
instantaneous value
encoding
Conversion time/resolution per
channel
Parameterized
Time constant of the input
filter in
µ
s
Conversion time in ms
no
300
"
20 %
2
Resolution (incl. overrange/
representation in two’s com-
plement)
– S7 format/S5 format
"
10 V/12 bits incl. sign
Sensor Selection Data
Input ranges (rated values)/input
resistance
Permitted input voltage
For voltage input
(destruction limit)
"
10 V/approx.
100k
W
max.20 V perma-
nent;
75 V for max. 1 s
(pulse duty factor
1:20)
Connection of sensors
For voltage measurement
Characteristic curve linearization
Temperature compensation
Smoothing of measured values
Step
None
Weak
Medium
Strong
possible
no
no
yes; set by parame-
ters in 4 steps by
digital filtering
Time constant
1x cycle time
8x cycle time
64x cycle time
128x cycle time
SC Analog Electronic Modules – Technical Data