2-3
Section
Memory Tables
78
Allocated Bit
Bit memory tables can be allocated to the following host (PC) areas.
Symbol
C-series PCs
Allocation
CV-series PCs
Allocation
CS1-series PCs
Allocation
None
IR Area
f
CIO Area
f
CIO Area
f
H
HR Area
f
---
---
HR Area
n
A
AR Area
f
Auxiliary Area
AR Area
f
L
LR Area
f
---
---
LR Area
*1
n
T
TC Area,
Timer PVs
Timer Area,
Timer PVs
TC Area,
Timer PVs
TU
---
---
---
---
TC Area,
Timer Completion Flags
n
C
TC Area,
Counter PVs
Counter Area,
Counter PVs
TC Area,
Counter PVs
CU
---
---
---
---
TC Area,
Counter Completion Flags
n
W
---
---
---
---
WR Area
n
TK
---
---
---
---
Task Flags
n
D
DM Area
f
DM Area
f
DM Area
f
E
EM Area
*2
,
current bank
f
EM Area,
current bank
n
EM Area,
current bank
n
E0_ to
EC_
---
---
---
---
EM Area,
EM banks 0 to C
n
f
: OK
: NG
n
: Host link not available
*1: Words LR 00000 to LR 00199 are converted to CIO 01000 to CIO 01199.
*2: The EM Area is valid for the C200HX/HG/HE(-Z)E PCs only.
The Auxiliary Area of the CVM1 and CV-series PCs is allocated to system func-
tions, and it cannot be used for purposes other than system use.
The range of each memory area differs according to the PC. Refer to
Appendix D
PC Memory Maps on page 429.
If the data memory (DM) is designated, a bit number (00 to 15) must be specified
after the word number.
Display Functions
Screen Changeover Function
When using the screen changeover function, the following attribute must be set
in addition to the common attributes.
Property
Possible Settings
Property
Meaning
Screen
Number
0001 to 3999: Screen numbers 1 to 3999
9001: Occurrence history screen
9002: Frequency history screen
9020: Screen for Programming Console function (expansion function)
9021 to 9023: Screens for Device Monitor function (expansion function)
9030: Brightness and contrast adjustment screen
9999: Return to previous screen designation
Number of screen displayed when bit memory table status changes to 1
(ON)
When a bit memory table is used with the screen changeover function, when the
status of the bit to which the bit memory table is allocated changes to 1 (ON), the
electronic components distributor
Summary of Contents for NT21 Series
Page 3: ...iv Downloaded from Elcodis com electronic components distributor...
Page 5: ...vi Downloaded from Elcodis com electronic components distributor...
Page 463: ...Downloaded from Elcodis com electronic components distributor...
Page 465: ...Downloaded from Elcodis com electronic components distributor...