Mitsubishi Electric MELSEC FX2NC-16MT-D/UL Hardware Manual page 51

FX2NC Series Programmable Controllers
Table 3.1 : Feature table
A Slide lock for extension I/O block
B Power supply connector (Uses the 24V DC)
C Din rail clip
D Backup battery
E Status indicators (POWER, RUN, BATT, ERROR)
F Run / Stop switch
G Programming port
H Extension connector
I Output indicators
J Input indicators
K Output connector or Output terminal
L Input connector or Input terminal
Function adapter connector
M
N Memory board / Real time clock board, connector
O Input power supply connector, input power supply connector for crossover wiring
Installation notes 3.
3-3