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F15 Series Fetal & Maternal Monitor Service Manual
Principle Introduction
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Transducer
interface*4(any
fetal transducer at
any socket
Optocoupler
*4
Communicate
signal
*4
Isolation
Circuit
LDO
+5V_IS
O
MARK_ISO
、
EXT_ISO
Optocoupler
*2
MARK
、
EXT
Socket to
connect with
lower case
interface
board
+12V
delay-time
circuit
+5V_I
N
+12V_I
N
+12V
+5V5
Supply power
for transducer
accessories
Figure 6-6 Nell Transducer Socket Board Principle Block Diagram
Note:
The US, TOCO&MECG and DECG&IUP transducer can be plugged in and out at any of the 4
transducer interface.
6.1.8 Wireless Charging Board (wireless model only)
The wireless charging board is only applicable in wireless model. It fulfills the following
function: charging of wireless transducer, NFC communication and fan’s control. When the
transducer is docked properly, the main unit will charge the transducer and finishes NFC
communication with transducer, at the same time, the fan will start to work.
Here is the principle block diagram:
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Страница 75: ...F15 Series Fetal Maternal Monitor Service Manual Periodic Tests 64 accepted ...
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