Omron NT31 Operation Manuals page 340

Lamps
- Shape of lamps
Rectangle
Position "Description"
Size
LAMP
(Y direction)
Size (X direction)
Circle
Position "Description"
Size
LAMP
(Y direction)
Size (X direction)
- Allocated bit
Lamp bits can be allocated to the following host (PC) areas.
Symbol C Series PLC
DM Data memory
CH I/O relay
Timer present
TIM
value
Counter present
CNT
value
HR Holding relay
AR Auxiliary relay
LR Link relay
Expansion data
EM
memory *1 *2
*1 C--series EM (Expansion Memory) is available only in the C200HX/HG/HE (-Z).
*2 The EM (Expansion Memory) can be alocated only in the current bank.
Since the special auxiliary relays of the CVM1/CV series PCs are all allocated
to system functions, they cannot be used for purposes other than system use.
The range of each memory area differs according to the PC type. Refer to
APPENDIX L "PC Memory Map", page 684.
- Display of lamps
Lamps are displayed as follows according to the status of the allocated bit.
0 (OFF): OFF
1 (ON): ON, or flashing
Frame color
"ON"/"OFF"
Size
colors
(Y direction)
Frame color
Size
(Y direction)
"ON"/"OFF"
colors
Alloca CVM1/CV
tion Series PLC
Data memory
I/O relay
Timer present
×
value
Counter present
×
value
#
Special
auxiliary relay
#
Expansion data
memory *2
Section 7-6
Polygon
Position "Description"
Frame color
LAMP
"ON"/"OFF"
Size (X direction)
Sector
Position "Description"
Frame color
LAMP
"ON"/"OFF"
colors
Size (X direction)
Alloca
CS1 Series PLC
tion
Data memory
I/O relay
Timer present
×
value
Counter present
×
value
#
Holding relay
Special
×
auxiliary relay
# #
EM current
Bank *2
×: NG
: OK
colors
Alloca
tion
×
×
×
×
#
: Host link NG
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