Omron NT31 Series, Operation Manuals

Page: 291 / 707

280
Areas for Control/Notification
Section 7-2
Reference: It is not necessary to allocate word to window control area when the window is not
controlled from the host or when the window is not used.
Allocated Words of the Window Control Area
The window control area (NT31/NT31C(host) can be allocated to the following
host (PLC) areas.
Symbol C Series PCs Allocation CVM1/CV Series PCs Allocation CS1 Series PCs Allocation
DM Data memory
3
Data memory
3
Data memory
3
CH I/O relay
3
I/O relay
3
I/O relay
3
TIM Timer present value Timer present value Timer present value
CNT Counter present value Counter present value Counter present value
HR Holding relay
3
– – Holding relay
AR Auxiliary relay
3
Special auxiliary relay Special auxiliary relay
LR Link relay
3
– – – –
EM EM Current Bank
*1 *2
3
EM Current Bank
*2
n
EM Current Bank
*2
3
3
: OK : NG
n
: Host link not available
*1 : EM (Extended data memory) of C series is available only with C200HX/HG/HE (–Z).
*2 : Only current bank can be allocated for EM (Extended data memory).
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 APPEN-
DIX L “PC Memory Map” , page 684 .
The screen No. which can be specified is as follows.
BCD Hexadecimal Screen
0000 0000
H
No display (window closed)
0001
X
3999 0001
X
0F9F
H
Window screen No. 1
X
3999
The X coordinate which can be specified is as follows.
BCD Hexadecimal Contents
0000
X
0300 0000
X
012C
H
X coordinate at the bottom left position of
window 0
X
300 (multiple of 20)
The Y coordinate which can be specified is as follows.
BCD Hexadecimal Contents
0019
X
0239 0013
X
00EF
H
Y coordinate at the bottom left of window
19
X
239 (multiple of 20-1)