Digital Electronic Modules
11-22
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Technical data
Dimensions and weight
Dimensions W x H x D
(mm)
15 x 81 x 52
Weight Approx. 35 g
Module-specific data
Supports clock synchro-
nized mode
Yes
Number of inputs 2
Cable length
•
Unshielded max. 600 m (164 ft)
•
shielded max. 1,000 m (164
ft)
Voltages, currents, electrical potentials
Rated supply voltage (from
power module)
24 VDC
•
Polarity reversal
protection
Yes
Electrical isolation
•
Between the channels No
•
Between channels and
backplane bus
Yes
Permissible potential differ-
ence
•
Between different
circuits
75 VDC / 60 VAC
Insolation tested with 500 VDC
Current consumption
•
From power supply Dependent on the
sensor
Power loss of the module Typical 0.4 W
Status, interrupts, diagnostics
Status display Green LED per
channel
Interrupts
•
Process alarm Configurable
Diagnostic functions
•
Group error red LED ”SF”
•
Reading of diagnostic
data
Yes
Sensor power supply output
Output voltage
•
Loaded Min. L+ (--0.5 V)
Output current
•
Rated v alue 500 mA
•
Permitted range 0to500mA
Short-circuit protection Yes, electronic
1)
Data for selecting an sensor
Input voltage
•
Rated v alue
•
for ”1” signal
•
for ”0” signal
24 VDC
11 to 30 V
--30to5V
Input current
•
For signal ”1” Typical 8 mA
Input delay
(configurable)
•
”0” to ”1” transition 0.1 ms
(0.05to0.15ms)
0.5 ms
(0.4 to 0.6 ms)
3ms
(2.7 to 3.3 ms)
15 ms
(14.85 to 15.15 ms)
•
”1” to ”0” transition 0.1 ms
(0.05to0.15ms)
0.5 ms
(0.4 to 0.6 ms)
3ms
(2.7 to 3.3 ms)
15 ms
(14.85 to 15.15 ms)
Input characteristic curve To IEC 61131,
type 1
Connection of 2wire
BEROs
possible
•
permitted quiescent
current
max. 1.5 mA
1)
per module
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