Digital Electronic Modules
11-79
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Technical data
Dimensions and weight
Dimensions
WxHxD(mm)
15 x 81 x 52
Weight Approx. 50 g
Module-specific data
Supports clock synchro-
nized mode
No
Number of outputs 2
Cable length
•
Unshielded max. 600 m (164 ft)
•
shielded max. 1,000 m
(164 ft)
Voltages, currents, electrical potentials
Rated power supply voltage
L+ (from power module)
24 V DC
Reverse polarity protection
current per channel
Yes
•
to 50°C Max. 5 A
•
to 60°C Max. 4 A
Electrical isolation
•
Between the channels Yes
•
Between channels and
backplane bus
Yes
•
Between channels and
backplane bus
Yes
•
Between power supply
voltage and backplane
bus
Yes
Permissible potential differ-
ence
•
Between power supply
voltage and backplane
bus
75 VDC / 60 VAC
•
Between channels and
backplane bus
240 VAC
•
Between channels and
power supply voltage
240 VAC
Isolation tested Yes
•
Between power supply
voltage and backplane
bus
500 VDC
•
Between channels and
backplane bus
1500 VAC
•
Between channels and
power supply voltage
1500 VAC
Current consumption
•
from L+ power supply ma x . 30 mA
Power loss of the module Typical 0.6 W
Status, interrupts, diagnostics
Status display Green LED pro
Channel
Diagnostic functions No
Data for selection of an actuator
Output current
•
Continuous thermal
current
Max. 5 A
•
Minimum load current 8mA
•
Minimum voltage 17 V
Connecting 2 outputs in
parallel
•
For redundant triggering
of a load
No
•
To increase
performance
No
Actuation of a digital input Yes
Switching frequency
•
with ohmic load 2Hz
•
with inductive load 0.5 Hz
•
With lamp load 2Hz
Limitation (internal) of the
inductive disconnection
voltage
No
Short-circuit protection of
the output
1)
No
1)
The relay outputs must be fuse-protected with
6 A externally.
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