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128
Reading Data with the READ DATA Bit
Section 5-3
READ DATA Procedure
1,2,3...
1.
Set common parameters. (Refer to
4-3 Common Parameter Area.)
m:
Set the operating data area either to DM or to EM.
m+1:
Set the beginning word of the operating data area (l).
m+2:
Set the axis parameter designation.
2.
Powering up again or restart.
The data for the common parameters set in 1 above will be enabled.
3.
Set the operating data area.
I+4:
Total number of words to be read from the PCU (Hex)
I+5:
Beginning address of PCU’s data area (Hex).
l+6:
The area in the CPU Unit (DM/EM) where the data will be stored.
I+7:
Beginning word address (Hex) of CPU Unit’s DM or EM area
where read data will be stored.
4.
Execute READ DATA.
Turn the READ DATA Bit (word n+1, bit 13) from OFF to ON.
The operations in (1) and (2) above are required when using the PCU for the
first time or when modifying the data in the common parameter area.
5-3-2
Data Settings Required for Reading Data
Beginning Words of Memory Areas
The beginning words of the operating memory area, the operating data area
and common parameter area used for a PCU are determined (or set) accord-
ing to the following.
• Beginning word of the operating memory area, n = CIO 2000 + 10
×
unit
number
• Beginning word of the common parameter area, m = 100
×
unit
number
• Beginning word of the operating data area, l, is specified in m and m+1.
Operating Memory Area
Word
Name
Bit
Reference
m
Operating data area designa-
tion
00 to 15
SECTION 4
m+1
Beginning word of operating
data area
00 to 15
m+2
Axis parameter designation
00 to 15
Name
Model
Operating
memory area
Bit
Contents
WRITE DATA
NC4
@
3
NC2
@
3
NC1
@
3
n+1
n+1
n+1
13
Starts reading data at the
rising edge.
Data Transfer-
ring Flag
NC4
@
3
NC2
@
3
NC1
@
3
n+8
n+4
n+2
14
1: Data is being transferred
0: Power up or restart;
transfer completed; transfer
unsuccessful
Содержание CJ1W-C113 - REV 02-2008
Страница 1: ...Position Control Units Cat No W397 E1 07 SYSMAC CJ1W NC113 213 413 133 233 433 OPERATION MANUAL ...
Страница 2: ...CJ1W NC113 213 413 133 233 433 Position Control Units Operation Manual Revised February 2008 ...
Страница 3: ...iv ...
Страница 13: ...xiv ...
Страница 15: ...xvi ...
Страница 19: ...xx ...
Страница 27: ...xxviii Conformance to EC Directives 6 ...
Страница 43: ...16 Control System Principles Section 1 7 ...
Страница 47: ...20 Basic Procedures Section 2 ...
Страница 139: ...112 Examples of Parameter Settings Section 4 9 ...
Страница 173: ...146 Transferring Data with CX Position Section 5 7 ...
Страница 223: ...196 Sample Program Section 7 7 ...
Страница 259: ...232 Sample Program Section 8 10 ...
Страница 293: ...266 Easy Backup Function Ver 2 0 or later Section 9 11 ...
Страница 369: ...342 Reading Error Information with CX Position Section 11 8 ...
Страница 385: ...358 Common Parameter Area Appendix C ...
Страница 399: ...372 Parameter Coding Sheets Appendix E ...