9-49
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
Input frequency and Cable Length
Symmetrical sensors (5 V si-
gnals):
S
with 5 V sensor supply
max. 200 kHz for
32 m (105 ft) cable,
shielded
S
with 24 V sensor supply
max. 200 kHz for
100 m (328 ft) cable,
shielded
Asymmetrical sensors
(24 V signals):
max. 100 kHz for
25 m (82 ft) cable,
shielded
max. 25 kHz for
100 m (328 ft) cable,
shielded
Data transmission rate and ca-
ble length with absolute sen-
sors
62.5 kHz (selectable in
steps)
125 kHz (160 m/525 ft,
shielded)
250 kHz
500 kHz
1 MHz (32 m/105 ft,
shielded)
Input signals
S
Incremental
S
24 V initiator (BERO)
S
SSI
2 pulse trains displaced
by 90
°
, 1 zero pulse
1 pulse train
Absolute value
Input currents
S
5 V
S
24 V
to RS 422
typ. 5 mA
Digital Inputs
Input voltage range
– 3 V to +30 V
Galvanic isolation
No
0 signal
– 3 V to +5 V
1 signal
+13 V to +30 V
Permissible zero–signal current
at 0 signal
1.1 mA
Input current at 24 V
typ. 5 mA
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.
Digital Outputs
Output voltage range
+20 V to + 30V
Galvanic isolation
No
Output current at 1 signal
max. 500 mA
Short–circuit protection
Short–circuit proof
output
Cable length, screened
max. 100 m (328 ft)
Supply voltage
Logic voltage from 24 V exter-
nal supply produced with swit-
ched–mode power supply
4.9 V to 5.1 V
Current consumption from
24 V without outputs and sen-
sor
typ. 120 mA
Undervoltage monitoring
V
internal
< 4.65 V
³
Hardware reset
Power loss
typ. 4 W
Ambient Conditions
Operating temperature
0 to 60
_
C
Operating pressure
860 to 1080 hPa
Vibration load in operation
0.075 mm
at 10 to 57 Hz
1 g at 58 to 500 Hz
Electric shock in operation
15 g, 11 ms half sine
Storage temperature
– 40 to +70
_
C
Relative air humidity (storage)
v
95 %
at T
v
25
_
C
Air pressure during storage
660 to 1080 hPa
Noise Immunity
Static noise immunity
Up to 2.5 kV (except
screw terminals)
Radio–frequency interference
3 V/m
Interference on cables
S
DC voltage supply cables
S
Signal cables
1 kV
2 kV
Function Modules