Input/Output to/from External Devices
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6-2
Connecting to External Devices via RS-232C
Interface
The balance inputs and outputs from and to external devices such as a PC via the RS-232C
interface.
The RS-232C interface equipped on the balance is a D-SUB9P type. The connection with external
devices is established with the following specifications:
注 意
Disconnect the AC adapter of the balance before connecting external devices.
Connector pin numbers and functions
The RS-232C connector equipped on the balance has the following pin alignment:
Pin number
Signal name
Input/Output
Function & Remarks
1 -
-
-
2 RXD Input Receiving
data
3 TXD Output Transmitting
data
4
DTR
Output
HIGH (When the balance is powered ON)
5 GND -
Signal
ground
6 -
-
-
7 -
-
-
8 -
-
-
9
EXT.TARE
Input
External tare range setting
D-SUB9P male connector
Caution