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H5CX-A
@-N/-L@-N
32
Key Protect Level
W
hen the key-protect switch is set to ON, it is possible to prevent setting errors by prohibiting the use of certain operation keys by specifying the
key protect level (KP-1 to KP-7).
The key protect indicator is lit while the key-protect switch is set to ON.
*
Changing mode to Timer/Twin Timer Selection Mode or Function Setting Mode.
Self-diagnostic Function
The following displays will appear if an error occurs.
*1.
This includes times when the life of the EEPROM has expired.
*2.
The normal display and
e3
will appear alternately.
W
hen the Reset Key is pressed,
e3
will no longer be displayed even if the alarm set value is exceeded. (Monitoring is possible, however, because the Timer will
continue without clearing the output ON count.)
Level
Meaning
Details
Changing mode
*
Switching display
during operation
Reset Key
Up/down key
KP-1
(default setting)
Invalid
Valid
Valid
Valid
KP-2
Invalid
Valid
Invalid
Valid
KP-3
Invalid
Valid
Valid
Invalid
KP-4
Invalid
Valid
Invalid
Invalid
KP-5
Invalid
Invalid
Invalid
Invalid
KP-6
Invalid
Invalid
Valid
Valid
KP-7
Invalid
Invalid
Invalid
Valid
Main display
Sub-display
Error
Output status
Correction method
Set value after reset
e1
Not lit
CPU
OFF
Either press the reset key or
reset the power supply.
No change
e2
Not lit
Memory error (RAM)
OFF
Reset the power supply.
No change
e2
sum
Memory error EEPROM
*1
OFF
Reset Key
Factory setting
e3
*2
No change
Output ON count alarm set
value exceeded
No change
Reset Key
No change
*
Factory-set to OFF
*
OFF
(Disa
b
led)
O
N
(Ena
b
led)
Key protect indicator