Siemens SIMATIC ET 200S Manual page 474

Analog Electronic Modules
Block diagram
ET 200S
backplane bus
interface mo-
dule
L+
P1
P2
1M
Figure 13-17 Block diagram of the 2AI TC Standard
Technical specifications
Dimensions and weight
Dimensions
W H D (mm)
Weight
Data for specific modules
Supports clocked operation
Number of inputs
Length of cable
• Shielded
Voltages, currents, potentials
Rated load voltage L+ (from
the power module)
•
Reverse polarity
protection
Isolation
•
Between the channels
and backplane bus
•
Between the channels
and load voltage L+
•
Between the channels
•
Between the channels
and 24 V supply voltage
Permissible potential diffe-
rence
13-90
ADC
24 V
M
15 x 81 x 52
Approx. 40 g
No
2
Max. 50 m
24 VDC
Yes
Yes
Yes
No
Yes
MUX
ANA
•
Between M and the
ANA
central grounding point
(U )
ISO
• Between inputs and
M (U )
ANA CM
Insulation tested
Current consumption
•
From load voltage L+
Power dissipation of the
module
Status, interrupts, diagnostics
Diagnostic functions
•
Group error
•
Diagnostic functions
readable
ET 200S Distributed I/O System
1
2
5
6
3
7
75 VDC/60 VAC
2 VAC
pp
500 VDC
Max. 30 mA
Typ. 0.6 W
Red "SF" LED
Yes
EWA-4NEB780602402-09