Download Data Sheet DB EN IB IL AI 8/SF

IB IL AI 8/SF ...
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Internal Circuit Diagram
Local bus
OPC
UL+
UANA
UL24 V
µP
+- 5 V
EEPROM
SUPER
REF
MUX
2
2
4
4
2 4
4 2
2
2
2
UIN1
UIN2
UIN3
UIN4
2
UIN5
UIN6
UIN7
UIN8
IIN1
IIN2
IIN3
IIN4
IIN5
IIN6
IIN7
IIN8
+24 V (US)
+24 V (UM)
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Figure 2
Internal wiring of the terminal points
6226B004
Key:
x x x
OPC
Protocol chip
Power supply unit with electrical isolation
X X X
Optocoupler
µ P
E E P R O M
S U P E R
R E F
Reference voltage source
Microprocessor
Analog/digital converter
Electrically erasable programmable
read-only memory
Amplifier
Microprocessor monitoring
M U X
Multiplexer
Other symbols used are explained in the
IB IL SYS PRO UM E user manual.
6226_en_02
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