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8 PROGRAMMING
MELSEC-QnA
8.2.3 Program for registering parameters to E
2
PROM
The program for registering parameters to E
2
PROM is shown below.
This example assumes that the master module is installed to the head I/O number 40.
X40 X4F
PLS M501
M510
PLS M511
M511
SET Y4A
X4A
RST Y4A
RST M510
M501
SET M510
SET M512
W0BB
K1
FROM H4 H6BB
Register
command
2
RST Y4A
RST M510
W0B9
K1
FROM H4 H6B9
X4B
W0BBK0
W0BBK0
=
<>
Prameter
registration
to E
PROM
2
When parameter
registration to E
PROM
is completed normally.
2
When parameter
registration to E
PROM
is completed fault.
Prameter registration
to E
PROM
2
Checks the number
of times when
parameters can be
registered to E PROM.
2