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System Maintenance
Caution
Reference
104
[ MAINTENANCE MENU ]
Quit
Display History
I/O Check
PT Settings
Init. Memory
[ I/O CHECK MENU ]
Quit
Exp. I/O Unit
Touch Switch
Communication
LCD Display
[ EXP. I/O UNIT CHECK ]
IN
IN
IN
IN
00
01
02
03
IN
IN
IN
IN
08
09
10
11
OUT
OUT
OUT
OUT
OUT
00
01
02
03
04
OUT
OUT
OUT
OUT
OUT
08
09
10
11
12
S Input Check
The two rows of round lamps IN00 to IN15 in the upper part of the screen corre-
spond to expanded I/O input bits 0 to 15. When a touch switch is pressed, the
corresponding input bit is ON while it is being pressed.
S Output Check
The two rows of square touch switches OUT00 to OUT15 in the lower part of
the screen correspond to expanded I/O output bits 0 to 15. When a touch
switch is pressed, the corresponding output bit switches between ON and OFF.
As far as possible, disconnect all peripheral devices connected to the output ter-
minals before executing the output check. Otherwise, each time an output ter-
minal comes ON during the check operation, a buzzer, or warning lamp, etc. will
be activated at a peripheral device.
• When the check is finished, press the End touch switch. The I/O check menu
will be redisplayed.
S If the key press sound is set to ON with the memory switches, it will sound
when an expanded I/O input bit comes ON.
S The statuses of the expansion I/O inputs are not notified to the PC during the
I/O check.
S When using the B7A Unit with 8 inputs and 8 outputs, the lamps IN08 to IN15
turn ON or OFF whenever touch switches OUT00 to OUT07 are pressed.
Select "I/O Check."
Memory Switch
Select "Exp. I/O Unit" (B7A
Next
Unit).
Buzzer
LED
Calendar
Battery
Printer
End
IN
IN
IN
IN
04
05
06
07
IN
IN
IN
IN
12
13
14
15
OUT
OUT
OUT
05
06
07
OUT
OUT
OUT
13
14
15
Section
3-9
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