Technical Specifications
7-119
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
Dimensions and weight
Dimensions
W H D (mm)
87 110 55
Weight Approx. 250 g
Module-specific data
Number of inputs 2
Cable length
Shielded Max. 30 m
Voltages, currents, potentials
Electrical isolation No
Permissible potential diffe-
rence
Between input (frame
connection) and M
ANA
(U
CM
)
Between M
ANA
and
centralized grounding
point (U
ISO
)
2.0 VDC; AC
SS
0 VAC; DC
Power input
From supply voltage L+
Power loss of the module
Max. 80 mA
Typ. 1W
Analog value formation
Measurement principle Integrative
Integration and cycle time/
resolution per channel:
Integration time
parameterizable
Integration time in ms
Cycle time in ms
(all channels)
Interference voltage
suppression for
interference frequency
f1 in Hz
Resolution (including
overrange)
Rated value in units:
– SIMATIC S7 format:
– SIMATIC S5 format:
Yes
16.7 20
134 160
60 50
12 bits plus sign
6912
4096
Interference suppression, error limits
Interference voltage sup-
pression
Common-mode
interference
Series-mode
interference
(peak interference
value < rated value of
input range)
> 60 dB
> 40 dB
Operational limit (entire
temperature range with re-
ference to input range)
1.2 %
Basic error (operational limit
at 25 C with reference to
input range)
1.0 %
Temperature error (with re-
ference to input range)
0.01 %/K
Crosstalk between inputs > 45 dB
Linearity error (with refe-
rence to input range)
0.05 %
Repeat accuracy
(steady state at 25 C with
reference to input range)
0.05 %
Status, alarms, diagnostics
Alarms Diagnostic
interrupt
Hardware
interrupt
Diagnostic functions
Group error
Configurable
Red LED (SF)
Sensor selection data
Input range (rated value)/in-
put resistance
4 to 20 mA/25 W
Permissible input voltage
(destruction limit)
Short circuit protection
Short-circuit current
40 mA
Yes
Approx. 65 mA
Sensor load Max. 750 W
Sensor connection
For current
measurement:
As 2-wire measuring
transducer
As 4-wire measuring
transducer
Possible
Possible
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