9-19
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
24–V Decoder Input
(15–pin subminiature D con-
nector)
Rated input voltage
24 V DC
Input signals
position decoder
counter
A, B, R
A
Input voltage
“0” signal
“1” signal
–33 to +5 V DC
+13 to +33 V DC
Rated input current for “1” si-
gnal
typ. 8.5 mA
Counting frequency
max. 25 kHz
Cable length (shielded)
max. 100 m
Power supply for decoder
24 V from L+
(PTC thermistor)
Output current
max. 300 mA short–
circuit–proof
Digital Inputs
(Reference and enabling)
Rated input voltage
24 V DC
Input voltage
“0” signal
“1” signal
–33 to +5 V DC
+13 to +33 V DC
Rated input current for “1” si-
gnal and at 24 V
typ. 8.5 mA
Input frequency
max. 100 Hz
Inherent delay
typ. 3 ms
(1.4 to 5 ms)
Cable length (unshielded)
max. 100 m (330 ft)
Digital Outputs
(Setpoints 1 and 2)
Output current
(resistive, inductive load)
5 mA to 0.5 A
Residual current for “0” cur-
rent
max. 0.5 mA
Switching current for lamps
0.22 A (5 W)
Limitation of inductive inter-
rupting voltage to
– 15 V
Output voltage
“1” signal
“0” signal
min. L+ (– 2.2 V)
max. 3 V
Cable length (unshielded)
max. 100 m
Short–circuit protection
(cable impedance up to
max. 15
)
electronic
Short–circuit indication
(short–circuit to M)
red LED
Supply voltage L+
rated value
ripple V
pp
permissible range
(including ripple)
24 V DC
max. 3.6 V
20 to 30 V DC
Fuse (internal)
T 5 A
Current consumption
from L+
without decoder supply
without load
internal (+9 V)
30 mA
70 mA
Power loss of the module
typ. 1.9 W + total out-
put current
(I
A
)
1.1 V
Weight
approx. 250 g (9 oz.)
Function Modules