410
FX3U Series Programmable Controllers
User’s Manual - Hardware Edition
19 FX3U-7DM (Display Module)
19.15 PLC Status
19.15.2 PLC status display items
1. PLC Status 1/3
2. PLC Status 2/3
Display Content
[1]
Main unit’s version information.
[2]
Indicates the PLC’s entry code registration status.
Messages vary according to the entry code status.
When a 16-bit entry code status is "all online operations prohibited", and when an 8-bit entry code status is
"level A", the entry code must be canceled in order to view the PLC information.
Displayed message PLC status
PLC operation is limited
• For 16-bit entry code:
A "writing prohibit" or "reading/writing prohibit" entry code is
registered.
• For 8-bit entry code:
A "Level B" or "Level C" entry code is registered.
All operation is unrestricted
The registered entry code has been canceled by an "entry code" menu
operation.
The Entry Code is not set No entry codes have been registered.
Fatal error occurred
→ Refer to Subsection 19.24.1 for details.
Display Content
[1]
Program memory type
Displayed message Program memory type
Internal Memory PLC internal RAM memory
Memory Cassette Memory cassette flash memory
[2]
Memory cassette protect switch status
Displayed message Switch Status
Protection switch -- Internal RAM memory (without protect switch)
Protection switch ON Memory cassette protect switch is ON
Protection switch OFF Memory cassette protect switch is OFF
[3]
Program memory’s max. setting capacity (in step units)
[1]
[2]
PL
reV2.00
auts
.
CtS(/13)
llAopeartion
usinrsetri tced
[1]
[2]
[3]64K
--
PL a utsCtS(/23)
meMory
orPtecti
paC
on
tnIernla
ac i t y
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