Siemens ET 200S Manual page 440

Analog Electronic Modules
Block Diagram
ET 200S
backplane bus
interface module
L+
P1
P2
1M
Figure 12-10 Block Diagram of the 2AI I 2WIRE Standard
Technical Specifications
Dimensions and Weight
Dimensions W H D
(mm)
Weight
Data for Specific Modules
Number of inputs
Length of cable
S
Shielded
Voltage, Currents, Potentials
Rated load voltage L+ (from
the power module)
S
Reverse polarity
protection
Power supply of the trans-
mitters
S
Short-circuit protection
Isolation
12-84
ADC
24 V
M
ANA
Cur-
rent li-
mit
S
15 x 81 x 52
S
Approx. 40 g
S
Insulation tested
2
Current consumption
S
Max. 200 m
Power dissipation of the
module
24 VDC
Diagnostic functions
Yes
S
S
Yes
Yes, (destruction
limit 35 mA per
channel)
MUX
Between the channels Yes
and backplane bus
Between the channels No
and load voltage L+
Between the channels No
500 VDC
From load voltage L+ Max. 80 mA
Typ. 0.6 W
Status, Interrupts, Diagnostics
Group error Red "SF" LED
Diagnostic functions Yes
readable
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
1
2
5
6
3
7