AED System Digital Transducer Electronics
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A1780
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4.3 en/de/fr/es/it
HBM
6.2 AED9201B basic device
The AED9201B basic device extends the functionality of the AD amplifier
board and provides:
•
mechanical protection (IP65)
•
a slot for the AD103C amplifier board
•
a voltage supply for the amplifier board and transducer excitation (5 V
DC
)
•
total transducer bridge resistance
80
Ω
...4000
Ω
•
a choice of RS-485 (4-wire) and RS-232 (electrically isolated from the ampli-
fier) serial interfaces
•
two digital inputs and six digital outputs (electrically isolated from the ampli-
fier)
•
EMC protection
Connection for amplifier
Connections for digital I/O
Transducer
connection
Interface
changeover switch
Connections for
power supply and interface
Fig. 5: Mechanical construction of the AED9201B
(for pin assignment and setup, see sticker in lid)