
5. Programming
GEM80-500 Series Controller
GEM80-500 Technical Manual (T2025En)
(08/04)
Page 5-26
5.8.1 I-Tables
The I-tables are allocated as shown at Table 5-9.
Table 5-9
I-Table Content
Address Content
Remarks
I0 to I39
User control mode for
serial port 1
-
I40 to I79
User control mode for
serial port 2
-
I80 to I119
User control mode for
serial port 3
-
I120 to I159
User control mode for
serial port 4
-
5.8.2 J/K-Tables
The J- and K-tables are allocated when serial communications ports are configured in
the P-Tables. The allocations depend upon the communications protocols in operation
(refer to Section 3) and are shown at Table 5-10.
Table 5-10
J/K-Table Content
Address Content
Remarks
J/K0 to J/K255
Serial port 1
-
J/K256 to J/K511
Serial port 2
-
J/K512 to J/K767
Serial port 3
-
J/K768 to J/K1024
Serial port 4
-
5.8.3 R-Tables
There is one R-table permanently declared in the system which has the function of
selecting whether or not certain data tables are retained. R0.0 is set to retain tables.
5.8.4 V-Tables
The V-tables are used by system software and may be read but not written to by the
user. The details allocated are shown at Table 5-11. The V-table is not part of the user
allocation.
Содержание GEM80-500 Series
Страница 1: ...GEM80 500 Series Controllers Technical Manual Publication No T2025En Issue 3 08 04 ABCD...
Страница 2: ......
Страница 3: ...GEM80 500 Series Controllers Technical Manual Publication No T2025En Issue 3 08 04...
Страница 140: ......