Omron NT620C, Operation Manual

Page: 234 / 337

5-4 Section Numeral and Character-string Setting
223
memory table number in which the character-string data that was changed at the
NT620S/620C is stored.
Character-string memory table 3
PT status notify area
Allocated word (character-string table 3)
Start
Start + 1
NT620S/620C PC
Currently displayed screen
PT status
Content upgrade
memory table
Table No.
Character-string
setting strobe flag
NT620S-ST211B
NT620S-ST211B
NT620S-ST211B 4 E 5 4
3 6 3 2
[“Content upgrade memory table” in the PT status notify area and PT status]
– 0 – – – 0 0 –
15 14 13 12 11 10 9 8 7 Bit
PT status
Character-string memory table No. : 000 to 999
Character-string setting strobe flag
Content upgrade memory table
PT status
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Bit
Word
n+1
n+2
PT status notify bits 0 0 0 0 0 0 0
0 Character-string memory table No. (3-digit BCD)
Data is written to the content upgrade memory table as three digits of BCD
(binary coded decimal) data.
When the character-string setting strobe flag bit has been notified to the PC it
returns to the OFF (0) status.
For details on the method for storing a number in the word allocated for the char-
acter-string table, see “Allocation Words and Display of the Memory Tables”
(page 201).
S
Restrictions on allocating words
The PT status notify area can be allocated to the PC memory areas listed in the
following table.
Symbol C Series PCs Allocated CVM1/CV Series PCs Allocated
DM Data memory
f
Data memory
f
CH Internal/Special Relay
f
Internal/Special Relay
f
TIM Timer Timer
CNT Counter Counter
HR Holding Relay
f
–
AR Auxiliary Relay
f
Auxiliary Relay
LR Link Relay
f
–
f
: OK : NG
Since all the CVM1/CV-series special auxiliary relays are allocated to the sys-
tem, they cannot be used for applications not related to the system.
The range of each memory area differs according to the PC type. See Appen-
dix L “PC Memory Map” (page 327).