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MELSEC-Q
3 SPECIFICATIONS
(15) Command buffer <request>
(Buffer memory address 55
H
to 59
H
: Un\G85 to Un\G89)
Buffer memory address
Item
55
H
(85)
AS-i command buffer <request>
56
H
(86)
AS-i command buffer <data word 0>
57
H
(87)
AS-i command buffer <data word 1>
58
H
(88)
AS-i command buffer <data word 2>
59
H
(89)
AS-i command buffer <data word 3>
(a) After data is written to the command buffer <request> and <data words 0 to
3> and, Y12 is turned ON.
(b) The QJ71AS92 executes the command buffer <request> when Y12 turns
ON. At this time, "08" (request code in execution) is stored into the
command buffer <result>.
*1
*1 If necessary, the QJ71AS92 reads the command buffer <data words 0 to
3>.
(c) After the command execution is completed, the QJ71AS92 stores the result
into the command buffer <result> and turns ON X2.
*2
*2 When the results are added with data, the data is stored into the data
word for extended command buffer <result>.
(Related item: Section 3.4.2 (22))
TIP
Refer to Section 3.5.1 for the command buffer <request> list.
(16) Command buffer <result>
(Buffer memory address 25
H
to 29
H
: Un\G37 to Un\G41)
Buffer memory address
Item
25
H
(37)
AS-i command buffer <result>
26
H
(38)
AS-i command buffer <data word 0>
27
H
(39)
AS-i command buffer <data word 1>
28
H
(40)
AS-i command buffer <data word 2>
29
H
(41)
AS-i command buffer <data word 3>
The QJ71AS92 stores the result of executing the command buffer <request>.
(Related item: Section 3.4.2 (21))
TIP
Refer to Section 3.5.1 for the command buffer <request> list.
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