
Module Description and Accessories IP 240
Digital outputs
Number of outputs 4 (2 per channel)
Galvanic isolation yes
in groups of 1
Supply voltage Vp
Rating 24 V DC
Ripple 3.6 V max.
Permissible range (including ripple) 20 to 30 V
Output current for ”1” signal 0.5 A max.
Short-circuit protection Fuse, 0.8 A fast
Voltage induced on circuit interruption limited to - 23 V
Switching frequency
resistive load (24 V/50 mA) 200 Hz max.
(max. 8,5 W) 2 Hz max.
inductive load (time constant max. 50 ms)
lamp load (max. 5 W) 8 Hz max.
Simultaneity factor at 55 °C 100 %
(Number of outputs simultaneously
energized)
Residual current at ”0” signal 1 mA max.
Output voltage at ”1” signal Vp - 3 V min.
Max. length of
shielded twisted-pair cable 1000 m (3300 ft)
Rated insulation voltage to VDE 0160 30 V DC
Insulation group C
tested at 500 V AC
Fig. 2-3. Block Diagram of the Output Circuit
Position
decoding,
counting,
positio-
ning
5V
24 V
D+
D -
M
int
+Up
+Up
2-6
EWA 4NEB 811 6120-02
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