Analog Electronic Modules
12-97
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
Technical Specifications
Dimensions and Weight
Dimensions W H D
(mm)
15 x 81 x 52
Weight Approx. 40 g
Data for Specific Modules
Number of inputs 2
Length of cable
Shielded Max. 200 m
Voltage, Currents, Potentials
Rated load voltage L+ (from
the power module)
24 VDC
Reverse polarity
protection
Yes
Power supply of the
transmitters
Yes
Short-circuit protection Yes, 60 mA (for both
channels)
Isolation
Between the channels
and backplane bus
Yes
Between the channels
and load voltage L+
Yes
Between the channels
and PE
Yes
Between the channels No
Permissible potential
difference
Between the channels 140 VDC/100 VAC
(with isolated
power
supply of the
measuring
transducers)
Insulation tested 500 VDC
Current consumption
From load voltage L+ Max. 53 mA
Power dissipation of the
module
Typ. 0.85 W
Status, Interrupts, Diagnostics
Diagnostic functions
Group error Red “SF” LED
Diagnostic functions
readable
Yes
Analog Value Generation
Measuring principle Integrative
Integration and cycle
time/resolution per channel:
Integration time
parameterizable
Yes
Interference frequency
suppression in Hz
60 50 No
Integration time in
milliseconds
16.7 20 2.5
Conversion time in ms 25 30 10
Cycle time in ms
– 1 channel active per
module
– 2 channels active
per module
25 30 10
58.3 70 26
Resolution (including
overrange)
"20 mA/15 bits +
sign
4 to 20 mA/15 bits
Suppression of Interference, Limits of Error
Interference frequency
suppression for
f = n x (f1"0.5%),
(f1 = interference
frequency)
Common-mode
interference (U
pp
)
Series-mode
interference
(peak interference
value < rated value of
input range)
Min. 100 dB
Min. 90 dB
Crosstalk between the
inputs
Min. –100 dB
Operational limit
1
(entire
temperature range with
reference to input range)
"0.1%