
B–62884EN/01
3. OPERATION
81
Basic operation Function
‘address’ + [Search]
F8
Search address (‘address’ can be symbol).
You cannot search any other address than PMC
parameter address, T, C, K, and D, at the “Counter”
window. When T, K or D address is specified to
search, “Counter” window is closed and the
special window for the address is opened with the
address at top of window.
‘number’ + [Search]
F8
Search counter address by timer number.
[Wrt On]/[Wrt Off]
F10
Unlock write–protection/Re–protect. When the
protection is effective the cursor is yellow, and
becomes red when unlocked.
(d) Message
Message Meaning and countermeasure
Sure to modify ? You tried to change counter value although
write-protected. If the attempt is intended, answer
[Yes]. Otherwise, answer [No] to cancel change.
(3) Keep relay window
“Keep relay” window displays the status of PMC Keep relay address.
You can examine the signal status of PMC Keep relay address, and
you can also change the status of Keep relays.
(a) Menu position
To activate “Keep relay” window, pull down [2. Diagnose] menu,
and select [PMC Parameter] on the menu. Then sub–menu
appears which contains item [Keep relay] which activates “Keep
relay” window.
Ladder Monitor
Signal Status
PMC Parameter
PMC alarm status
PMC Status
RUN/STOP the program
Signal Trace
Signal Analysis
System Information
Timer
Counter
Keep relay
Data table control
Data table
2. Diagnose