Analog Electronic Modules
12-105
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Block diagram
Backplane bus
ET 200S
backplane bus
interface
connection
DAC
24V
L+
1M
DAC
1
2
4
3
M
ANA
5
6
8
7
M
ANA
M
ANA
P1
P2
Figure 12-21 Block diagram of the 2AO U High Feature
Technical data
Dimensions and weight
Dimensions W x H ≦ D
(mm)
15 x 81 x 52
Weight Approx. 40 g
Module-specific data
Supports clock
synchronized mode
Yes
Number of outputs 2
Cable length
•
shielded max. 200 m (164 ft)
Voltages, currents, electrical potentials
Rated load voltage L+ (from
power module)
24 VDC
•
Polarity reversal
protection
Yes
Electrical isolation
•
Between channels and
backplane bus
Yes
•
Between channels and
load voltage L+
Yes
•
Between the channels No
Permitted potential
difference
•
Between M
ANA
and the
central ground point
(U
iso
)
75 VDC / 60 VAC
Isolation tested 500 VDC
Current consumption
•
with load voltage L+ max . 1 3 0 mA
Power loss of the module max . 2 W
Status, interrupts, diagnostics
Diagnostic functions
•
Group error display red LED ”SF”
•
Reading of diagnostic
data
possible
Interconnectable
substitution values
Yes, configurable
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