Nomenclature and Functions
4-2
Nomenclature and Functions
Model label
Unit number setting switch
Terminal block mounting
screw (black M3)
External input terminal
block (M3)
4-2-1 Indicators
70
Front
Indicators
The terminal block is attached by a connector. It can be removed by loosening
the black mounting screw. When removing the terminal block after wiring, re-
move the wire connected to the top terminal of the right column.
Check to be sure that the black terminal block mounting screw is securely tight-
ened to a torque of 0.5 N S m.
The RUN and ERROR indicators show the operating status of the Unit. The fol-
lowing table shows the meanings of the indicators.
LED
Indicator
RUN (green)
(g
)
Lit
Flashes
Not lit
ERROR (red)
Lit
Not lit
Back
Operation mode switch
Backplane connector
Fasten the mounting screw.
Operating status
Operating in normal mode.
Operating in adjustment mode.
Abnormal (Unit operation stopped)
Error occurred. The error codes are stored in bits
08 to 15 of word n+9.
Other than the above.
Section
4-2