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Input frequency and Cable Length
Symmetrical sensors (5 V si-
gnals):
with 5 V sensor supply
with 24 V sensor supply
Asymmetrical sensors
(24 V signals):
Data transmission rate and ca-
ble length with absolute sen-
sors
Input signals
Incremental
24 V initiator (BERO)
SSI
Input currents
5 V
24 V
Digital Inputs
Input voltage range
Galvanic isolation
0 signal
1 signal
Permissible zero–signal current
at 0 signal
Input current at 24 V
Other: If the digital inputs are used, they must always be
connected to a defined potential (0 V, 24 V) and must
not be kept open.
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
Digital Outputs
Output voltage range
Galvanic isolation
max. 200 kHz for
Output current at 1 signal
32 m (105 ft) cable,
shielded
Short–circuit protection
max. 200 kHz for
100 m (328 ft) cable,
Cable length, screened
shielded
Supply voltage
Logic voltage from 24 V exter-
max. 100 kHz for
nal supply produced with swit-
25 m (82 ft) cable,
ched–mode power supply
shielded
max. 25 kHz for
Current consumption from
100 m (328 ft) cable,
24 V without outputs and sen-
shielded
sor
62.5 kHz (selectable in
Undervoltage monitoring
steps)
125 kHz (160 m/525 ft,
Power loss
shielded)
250 kHz
Ambient Conditions
500 kHz
Operating temperature
1 MHz (32 m/105 ft,
shielded)
Operating pressure
Vibration load in operation
2 pulse trains displaced
by 90 , 1 zero pulse
1 pulse train
Electric shock in operation
Absolute value
Storage temperature
to RS 422
Relative air humidity (storage)
typ. 5 mA
Air pressure during storage
– 3 V to +30 V
Noise Immunity
No
Static noise immunity
– 3 V to +5 V
Radio–frequency interference
+13 V to +30 V
Interference on cables
DC voltage supply cables
1.1 mA
Signal cables
typ. 5 mA
Function Modules
+20 V to + 30V
No
max. 500 mA
Short–circuit proof
output
max. 100 m (328 ft)
4.9 V to 5.1 V
typ. 120 mA
V
< 4.65 V
internal
Hardware reset
typ. 4 W
0 to 60 C
860 to 1080 hPa
0.075 mm
at 10 to 57 Hz
1 g at 58 to 500 Hz
15 g, 11 ms half sine
– 40 to +70 C
95 %
at T
25 C
660 to 1080 hPa
Up to 2.5 kV (except
screw terminals)
3 V/m
1 kV
2 kV
9-49
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