
7.PMC DIAGNOSIS AND MAINTENANCE SCREENS ([PMC MAINTE]) B-63983EN/02
- 668 -
(1) X signal
(Input signal from the I/O device) ® (Input signal to the ladder)
The hexadecimal or decimal display field on the rightmost
position of the screen displays the value of the input signal to the
ladder on the right side.
(2) Y signal
(Output signal from the ladder)®(Output signal to the I/O
device)
The hexadecimal or decimal display field on the rightmost
position of the screen displays the value of the output signal from
the ladder on the left side.
The message display line at the bottom of the screen displays an error
message as required.
Fig. 7.1.2 (a) Soft keys on the forced I/O screen
Soft keys on the forced I/O screen
Forced I/O
Override
Address search
Signal off
Signal on
Switching to the signal status display screen
Switching to decimal input
Switching to hexadecimal input
Address search
Switching to the signal status
display screen
Switching to decimal input
Switching to hexadecimal input
Override setting
Complete override
cancellation
Signal off
Signal on
Override cancellation