9-56
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
5 V Differential Inputs
(15–pin sub D HD socket connector)
Number and type of input si-
gnals
3 differential signals to
RS 422
Input frequency
max. 58 kHz
Pulse length
S
“Low” level
S
“High” level
min. 8.6
m
s
min. 8.6
m
s
Cable length (shielded)
max. 32 m (105 ft)
Digital 24 V Outputs (9–pin sub D socket connector)
Number of outputs
8
Galvanic isolation
no
Status display
Yes, on 5 V side
Short–circuit protection
Yes, electronic clock
cycle
Load voltage L+
S
Rated value
S
Permissible range
24 V DC
20 to 30 V
Output current at “1” signal
0.5 A at 60
_
C
Permissible total current of
output
2 A at 60
_
C
Connection of outputs in paral-
lel
possible in pairs
(I
outp
0.8
I
rated
)
Output frequency at ohmic
load
max. 1 kHz at 15 mA
load
max. 2 kHz at 50 mA
load
max. 4 kHz at 500 mA
load
Cable length (shielded)
max. 100 m (328 ft)
Lamp load
max. 2 W
Residual current at “0” signal
max. 1 mA
Voltage drop at “1” signal
max. 1 V
Limitation of inductive cut–off
voltage
– 15 V
Delay time of output circuit
S
Rising edge
S
Falling edge, depending on
ohmic load
typ. 10
m
s
typ. 150
m
s at 15 mA
load
typ. 90
m
s at 50 mA
load
typ. 70
m
s at 500 mA
load
Expansion Inputs and Outputs
(15–pin D sub HD socket connector)
Number of inputs and outputs
8 (any desired mixture
of I/Os can be configu-
red)
Connector for 24 V Load Voltage (2–pin)
Permissible cross–sections of
cables
S
Flexible cable H07V–K
with end sleeve
S
Solid cable H07V–U
0.5 to 1.5 mm
2
0.5 to 2.5 mm
2
Function Modules