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Item
Swap settings
(Word Data Swap)
(1)
Number of data module settings
Make settings so that the number of data modules per 2D-TZ577 Card falls within the limits shown below:
•
Number of data modules: 40 maximum
•
Combined data size
Input data - 122 words maximum
Output data - 122 words maximum
(2)
Data module setting pattern
An appropriate pattern is selected from among 48 patterns which derive from a combination of 3 input/output
options and 16 data sizes. Note that input/output notations are based on the Master Station being the origin. For
more information, see Subsection (3) Data alignment mode settings.
(3)
Data alignment mode settings
Method by which to align each module in the output receive area/input send area of buffer memory is specified.
The 2D-TZ577 Card comes with a lump alignment mode (lump mode) alone, permitting no changes to these
settings.
(a) Lump alignment mode (lump mode)
Input data/output data is aligned on the front in the input send area/output receive area, respectively, in
the order of data module. The table below shows examples of usage statuses in the output receive
area/input send area which occur on the data module settings shown.
Data module 0
One-word input (1 word In)
Data module 1
2-word output (2 word Out)
Data module 2
One-word input/output (1 word In, 1 word Out)
Data module 3
One-word output (1 word Out)
Data module 4
2-word input (2 word In)
Data module 5
One-word output (1 word Out)
Setting range
Indication as to whether there is swapping
of word data sent/received at 2D-TZ577
Card (defined in "User_Prm_Data" on the
0 to 1
Master Station)
0: No swapping takes place.
1: Swapping takes place.
192 words in combined total
Table 7-3 Data Module Settings
Item
Input/output
designation
Data size
Table 7-4 Examples of Data Module Settings
Data module settings
Description
Type
Input/output/IO
1 to 16 words
Output data
One-word
One-word
One-word
Parameter Settings on the Side of Master Station 7- 33
7 Procedure before Startup
Remark
-
Input data
One-word
2-word
One-word
2-word
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