Analog Electronic Modules
12-100
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
Block Diagram
Backplane bus
ET 200S
backplane bus
interface
module
ADC
M
ANA
24 V
L+
1M
1
2
5
6
7
3
Current limiting
8
4
P1
P2
MUX
Figure 12-14 Block Diagram of the 2AI I 4WIRE High Speed
Technical Specifications
Dimensions and Weight
Dimensions W H D
(mm)
15 x 81 x 52
Weight Approx. 40 g
Data for Specific Modules
Number of inputs 2
Length of cable
Shielded Max. 200 m
Voltage, Currents, Potentials
Rated load voltage L+ (from
the power module)
24 VDC
Reverse polarity
protection
Yes
Isolation
Between channels and
backplane bus
Yes
Between channels and
load voltage L+
No
Between the channels No
Permissible potential
difference
Between M
ANA
and
M
internal
(U
ISO
)
75 VDC, 60 VAC
Insulation tested with 500 VDC
Current consumption
Power supply and load
voltage L+ (no load)
Max. 35 mA
1
Power dissipation of the
module
Typ. 0.8 W
Status, Interrupts, Diagnostics
Interrupts
Hardware Interrupt Parameters can be
assigned
2
Diagnostic functions
Group error display Red “SF” LED
Diagnostic information
readable
Possible
3
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