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Analog Value Processing
10.5
466-3LA11 Analog Input Module
Figure 10-17 shows the block diagram of the 466-3LA11 module.
Voltage/current
selection
Control
logic
Clock pulse
Controller
Address selector
Address coder
Control signals
Address bus
PGA=Programmable amplifier
Figure 10-17. Block Diagram of the 466-3LA11 Analog Input Module
Note
Please note that the 466 module has very fast processing times. Since it is very fast, it is
more suitable for closed-loop control tasks than for the connection of thermocouples
and resistance thermometers.
10-28
8/16 Process signals
Input circuitry
MUX
PGA
A
Optocoupler
Ser./par. converter
Program memory
S5 bus
Central Processing Unit (CPU)
Voltage/current
selection
D
Galvanic isolation
Switched-mode power supply
Bus driver
Data bus
EWA 4NEB 811 6130-02b
S5-115U Manual
0V
5V +15V
-15V
Measuring range
selector
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