A&D BA-T Series Instruction Manual page 128

Circuit diagram of external input terminals in the display unit
RE-ZERO
PRINT
RE-ZERO
PRINT
Example of compatible plug
Pin assignment
Pin Description
GND
1
RE-ZERO external contact
2
PRINT
3
1
2
3
1
2
3
common ground
terminal
input
external contact
input
External input terminals of the display unit
External input switch 1
External input switch 2
Circuit diagram External view
Pin 1
Pin 2
Pin 3
128
Display unit
PRINT
RE-ZERO
GND