286
Memory Tables
Section 7-3
S
Allocated words
Numeral memory tables can be allocated either to 1 word or two words at the
host.
Numeral memory tables can be allocated to the following host (PC) 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
n
1
Timer present value
n
1
Timer present value
n
1
CNT
Counter present value
n
1
Counter present value
n
1
Counter present value
n
1
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
2
EM Current Bank
*2
3
3
: OK
: NG
n
1 :Available for 1 word
n
2: 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.
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 AP-
PENDIX L “PC Memory Map”, page 684.
The relationships among the allocated words, the number of allocated words,
and the contents of numeral memory tables are indicated in the figure below.
- When the number of allocated words is 1 word
0 0 0 0 1 6 2 E
Numeral memory table
Only four digits read
←
Allocated word
(Decimal number 5678)
PC
NT31/NT31C
5 6 7 8
1 2 3 4
- When the number of allocated words is two words
0 0 B C 6 1 4 E
Numeral memory table
PC
NT31/NT31C
5 6 7 8
1 2 3 4
(Decimal number 12345678)
Eight digits read
←
Allocated word
Summary of Contents for NT31 Series
Page 1: ...Cat No V043 E1 2 Programmable Terminal NT31 31C OPERATION MANUAL...
Page 2: ...iii NT31 31C Programmable Terminal Operation Manual Produced March 1999...
Page 41: ...30 Before Operating Section 1 5...
Page 75: ...64 Using a Memory Unit NT31 NT31C without V1 Section 3 6...
Page 160: ...149...
Page 174: ...163...
Page 193: ...182...
Page 211: ...200...
Page 235: ...224 c Return to the screen on which screens are specified...
Page 262: ...251...
Page 360: ...349 It is not possible to control a gloval window by touch switch operation...
Page 468: ...457 254 255 0 2 7 1 4 5 3 3 0 0 0 5 9 8 0 3...
Page 476: ...465 Special Functions Section 7 16...
Page 495: ...484 OFF...
Page 610: ...599 Commands Responses Section 9 3...
Page 630: ...619 Examples of Actual Applications of Memory Link Section 10 2...