12-31
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
Conversion time in ms
Resolution (incl. overrange/
representation in two’s com-
plement)
–
"
20 mA
–
4...20 mA
no
typ. 1 ms
1
12 bits incl. sign
11 bits
Sensor Selection Data
Input ranges (rated values)/input
resistance
Permitted input current
For current input
(destruction limit)
"
20 mA/approx.
50
W
4...20 mA/approx.
50
W
35 mA, permanent;
150mA for max. 1s;
(pulse duty factor
1:20)
Connection of sensors
For current measurement
–
As 4-wire measuring
transducer
possible
Characteristic curve linearization
Temperature compensation
Smoothing of measured values
Step
None
Weak
Medium
Strong
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
Содержание Metro 21 M216KA
Страница 18: ...xviii ET 200L ET 200L SC and ET 200L SC IM SC Distributed I O Device EWA 4NEB 780 6009 02c Contents ...
Страница 34: ...1 16 ET 200L ET 200L SC and ET 200L SC IM SC Distributed I O Device EWA 4NEB 780 6009 02c Product Overview ...
Страница 56: ...2 22 ET 200L ET 200L SC and ET 200L SC IM SC Distributed I O Device EWA 4NEB 780 6009 02c Installation ...
Страница 86: ...4 6 ET 200L ET 200L SC and ET 200L SC IM SC Distributed I O Device EWA 4NEB 780 6009 02c Commissioning ...
Страница 102: ...5 16 ET 200L ET 200L SC and ET 200L SC IM SC Distributed I O Device EWA 4NEB 780 6009 02c Diagnostics g ...
Страница 112: ...6 10 ET 200L ET 200L SC and ET 200L SC IM SC Distributed I O Device EWA 4NEB 780 6009 02c General Technical Data ...