Handheld Terminal Connection
User's Manual, version: 3.1 / material no.: 57448 33
© KEBA 2006
General information about the RS-422-A interface
z The A terminal of the generator shall be negative with respect to the B
terminal for a binary 1 (MARK or OFF) state.
z The A terminal of the generator shall be positive with respect to the B
terminal for a binary 0 (SPACE or ON) state.
To identify the lines, the voltage between the lines A and B can be meas-
ured by means of a voltameter.
To Next Page
Loading...