Analog Electronic Modules
12-77
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Analog Value Formation
Measurement principle
Momentary value
encryption
Cycle time/resolution:
•
Conversion time in ms
(per channel)
0.1
•
Cycle time in ms (per
module)
1
•
Resolution (incl.
overshoot range)
4 to 20 mA/13 bits
0 to 20 mA/13 bits
20 mA/13 bits +
sign
Interference Suppression, Error Limits
Crosstalk between inputs
> 50 dB
Operational error limits
(across complete
temperature range, in
relation to input range)
0.3 %
Basic error limit (operational
error limit
at 25
_
C, related to the
input range)
0.2 %
Temperature error (in
relation to input range)
0.01 %/K
Linearity error (relative to
the input range)
0.01 %
Repetition accuracy
(in transient state at 25
_
C,
relative to input range)
0.05 %
Sensor Power Supply Outputs
Number of outputs
Output voltage
•
Loaded
Output current
•
Rated value
•
Permitted range
Short-circuit protection
2
L+ (--2.5 V)
90 mA
(both channels)
0 mA to 90 mA
Yes, electronic
Data for selection of the sensor
Input range (rated
value)/input resistance
•
Current
4 to 20 mA/50
Ω
0 to 20 mA/50
Ω
20 mA
/
50
Ω
Connection of signal
generators
•
for current measuring as
2-wire measuring
transducer
possible
Load of the 2-wire
transducer
max. 670
Ω
Permitted current at current
input (destruction limit)
60 mA
Smoothing of measured
values
Yes, configurable in
4 stages by digital
filtering
Level
No
weak
medium
strong
Time constant
1 x cycle time
64 x cycle time
128 x cycle time
512 x cycle time
1)
without sensor power supply
2)
DPV1 only
3)
configuration error
violation of lower limit value
violation of upper limit value
open circuit (at 4 to 20mA only)
process interrupt lost
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 ...