Block Diagram Of The 2Ai U High Speed - Siemens SIMATIC ET 200S Manual

Analog Electronic Modules
Block diagram
ET 200S
backplane bus
interface
connection
L+
P1
P2
1M
Figure 12-9

Block diagram of the 2AI U High Speed

Technical data
Dimensions and weight
Dimensions W x H x D
(mm)
Weight
Module-specific data
Supports clock synchro-
nized mode
Number of inputs
Cable length
•
shielded
Voltages, currents, electrical potentials
Rated load voltage L+ (from
power module)
•
Polarity reversal
protection
Electrical isolation
•
Between channels and
backplane bus
•
Between channels and
load voltage L+
•
Between the channels
12-52
ADC
24V
M
15 x 81 x 52
Approx. 40 g
Yes
2
max. 200 m (164 ft)
24 VDC
Yes
Yes
Yes
No
MUX
ANA
Permitted potential differ-
ence
•
Between inputs and
M (U )
ANA CM
•
Between M and the
ANA
central ground point
(U )
ISO
Isolation tested
Current consumption
•
Power supply and
load voltage L+
(without load)
Power loss of the module
Status, interrupts, diagnostics
Interrupts
•
Process alarm
Diagnostic functions
•
Group error display
•
Reading of diagnostic
data
ET 200S Distributed I/O System
1
2
5
6
3
7
100 VAC
SS
75 VDC / 60 VAC
500 VDC
max. 35 mA
Typical 0.8 W
1)
Configurable
red LED "SF"
2)
possible
EWA-4NEB 780602402-12