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 ms
min. 8.6 ms
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 ms
typ. 150 ms at 15 mA
load
typ. 90 ms at 50 mA
load
typ. 70 ms 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
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