9.2
9.3
03/10
Order number 72227280
Serial interface
Assignment of the built in RS232 interface
Socket
BBA242
9-pin D-sub,
Pin 1
female
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Socket
BAB242x
BBA242xx
9-pin D-sub,
Pin 1
female
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Accessories
• RS232 cable for PC, 1.8 m (9-pin D-sub, m/f, 1:1)
Art. No. 00410024
Assignment
nc
not connected
TxD
Transmit data
RxD
Receive data
nc
not connected
GND
Signal ground
nc
not connected
nc
not connected
nc
not connected
VCC
+3.3 V, ≤ 250 mA
Assignment
nc
not connected
TxD
Transmit data
RxD
Receive data
nc
not connected
GND
Signal ground
nc
not connected
nc
not connected
nc
not connected
nc
not connected
User Manual BBA242 / BBA242x / BBA242xx
METTLER TOLEDO
25