User's Manual

Page 148 FRH-SD07TU/TB Manual
8.2 Conve rsion Ci ui
Examples of the level conversion circuit are shown as a reference, which is just for the
onfirmation of system operation. This example does not guarantee the operation under
users’ actual operation environment.
e the
rc t
c
8.2.1 RS-232 C Level Conve rt e r
Wire the control line when necessary. Tie down unused input pin(s) to GND and leav
485ENB pin open.
Figure B–1: RS-232C Level Conversion Circuit
Rev. 050415-01.1