Switching The Screen Display - Omron NT20S Operation Manual

Overview of Direct Connection Operations
Correct Use:
Reference: When NT link (1:N) is set, the PT status control area must be set for each con-
5-1-4

Switching the Screen Display

Reference: The display screen can be switched also by pressing a touch switch during the op-
The PT status control area (PC to PT) can be allocated to the following PC areas.
Symbol
DM
CH
TIM
CNT
HR
AR
LR
Since the special auxiliary relays of the CVM1/CV series PCs are allocated to the
system, they cannot be used for purposes other than the system use.
Make sure there is no duplication in the PT status control area allocations and PT
status notify area allocations.
nected PT.
The following describes the procedure used to switch the NT20S screen display by
controlling from the PC.
eration after registering a screen number to the touch switch. For this function,
refer to the "Standalone Function" (page 138).
To switch the NT20S screen display by controlling from the PC, write a screen
number at the "screen switch setting" in the PT status control area.
Designated screen
[Screen switch setting in the PT status control area]
PT status notify bits
15 1413 12 11 10 9 8 7 6 5 4 3 2 1 0 Bit
Screen number (4-digit BCD)
Word n
Screen number :0000 (screen clear, no-display)
C Series PCs
Data Memory
Internal/Special Relay
Timer
Counter
Holding Relay
Auxiliary Relay
Link Relay
NT20S
:0001 to 0500
Allocated CVM1/CV Series PCs
f
Data Memory
f
Internal/Special Relay
Timer
Counter
f
–
f
Auxiliary Relay
f
–
PC
PT status control area
Screen switch setting
Copy memory
table setting
PT status control setting
Screen switch setting
Section 5-1
Allocated
f
f
f: OK
: NG
Screen number
157