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8.
PROGRAMMING
(4)
Programming on the A series PC
XOO/YOO to 2F used in the following sequences are men-
tioned on page 11. The actual value will vary according to
the
slot
in which the master unit is installed.
2ommunications start processing
A i
A I
Y28
SET
x20
Y28
I Y
I Y
I
I
HW
fault Communica-
~ommunications
start
tions start
I/O refresh
In corn-
munica-
tions
TO
H O O
K11
K4MO
K1
FROM
K1
K4M20
K111
HOO
MOV
K2Y40
K2M28
Communications
start
Y28 is set under the condition that there is
no
H N
fault.
(X30 to X37) are transferred to
the
higher 8 bits (station 4 area)
of BFM #i
1 by transferring (X30
t o
X37) to
(M8 to Mi 5)
and then
(MO to
M i
5) to BFM #11 (See page 13).
Data in the higher 8 bits (station 4 area) of BFM #111 are trans-
ferred to (Y40 to Y47) by transferring data from BFM #111 to
(M20 to M35) and then (M28 to M35) to
(Y40
to Y47), (See page
13).
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