Contact Input; Contact Input Internal Block Diagram - Mitsubishi Electric FR-A8AC Instruction Manual

3

CONTACT INPUT

3.1 Internal block diagram
Instead of 24VDC signals for contact input terminals of the inverter control circuit terminal block, 120VAC signals can be
applied to FR-A8AC contact input terminals.
The following figure is the internal block diagram of the FR-A8AC.
13
CONTACT INPUT
Connector Controller
X1
X7
X8
CM
CM