Analog Electronic Modules
12-65
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Technical data
Dimensions and weight
Dimensions W x H x D
(mm)
15 x 81 x 52
Weight Approx. 40 g
Module-specific data
Supports clock
synchronized mode
Yes
Number of inputs 2
Cable length
•
shielded max. 200 m (164 ft)
Voltages, currents, electrical potentials
Rated load voltage L+ (from
power module)
24 VDC
•
Polarity reversal
protection
Yes
•
Short-circuit protection Yes (destruction limit
35 mA per channel)
Electrical isolation
•
Between channels and
backplane bus
Yes
•
Between channels and
load voltage L+
No
•
Between channels No
Approved potential
difference
•
between M
ANA
and
M
internal
(U
ISO
)
75 VDC, 60 VAC
Insolation tested with 500 V DC
Current consumption
•
Power supply and load
voltage L+
(without load)
max. 35 mA
1)
Power loss of the module Typical 0.8 W
Status, interrupts, diagnostics
Interrupts
•
Process alarm Configurable
2)
Diagnostic functions
•
Group error display red LED ”SF”
•
Reading of diagnostics
functions
possible
3)
Analog Value Formation
Measurement principle Momentary value
encryption
Cycle time/resolution:
•
Conversion time in ms
(per channel)
0.1
•
Cycletimeinms
(per module)
1
•
Resolution (incl.
overshoot range)
4to20mA/13bits
0to20mA/13bits
Interference Suppression, Error Limits
Crosstalk between inputs >50dB
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 v alue
•
Permitted range
Short-circuit protection
2
L+ (--2.5 V)
90 mA
(both channels)
0mAto90mA
Yes, electronic