OXY5500 Optical Oxygen Analyzer BA02195C
3
–12 Endress+Hauser
7 GND RS-232/RS-485 ground RS-232/RS-485
signal ground
8 GND RS-232/RS-485 ground RS-232/RS-485
signal ground
9 485(A)+ RS-485 non-inverting receiver input
and non-inverting driver output
RS-485 signal
10 485(B)- RS-485 inverting receiver input and
inverting driver output
RS-485 signal
Table 3–2 Terminal block TB1 (Continued)
Pin Label Description Function