A&D Weighing BM-20 - Manual (Page 86)

84 BM series
AX-USB-9P-EX USB Converter
Adds a COM port to a PC.
Enables
bi-directional communication between the PC and the balance when a USB driver is installed.
Can use serial communication software such as WinCT on a PC without COM ports.
An RS-232C cable is provided to connect the USB converter to the balance.
AX-T-314A-S External key Plug
This plug produces the same operations as pressing
the RE-ZERO and PRINT keys. It enables remote
control of the balance using an external switch.
This operation must connect the GND line to the PRINT
or RE-ZERO line for at least 100 milliseconds.
AX-SW128 Foot switch
The switch can be used to connect the external key plug
and used to the RE-ZERO or PRINT keys.
Note When the foot switch is to be used, prepare the
AX-SW128 and AX-T-314A-S beforehand.
Foot switch
AX-SW128
To USB port on a PC
The RS-232C interface
on the balance
The USB serial converter
The RS-232C cable provided
(D-sub 9-pin)
External key Plug
AX-T-314A-S
Terminal
Cap