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5. PROGRAMMING MELSEC-A
5-11
(2) Program example
*Checking of AJ65BT-64DAV status
*Processing at initial settings
*Analog output enable/disable specification
Digital
value
setting
Analog
output
enable
Initial setting change
*Initial settings
*Changing of Initial settings
*Setting of digital values
Reads data link status
AJ65BT-64DAV data
link normal
AJ65BT-64DAV data
link normal
Offset/gain value selection
(RY04)
CH.1 digital value setting
(RWw0): 50
CH.2 digital value setting
(RWw1): 100
CH.3 digital value setting
(RWw2): 200
CH.4 digital value setting
(RWw3): 300
Turns on CH.1 analog output
enable/disable flag (RY00)
Turns on CH.2 analog output
enable/disable flag (RY01)
Turns on CH.3 analog output
enable/disable flag (RY02)
Turns on CH.4 analog output
enable/disable flag (RY03)
Reads error codes (RWr4)
Turns on error reset
request flag (RY1A)
Turns off error reset
request flag (RY1A)
Analog output enable/
disable setting (RWw4)
Turns on initial data procedure
completion flag (RY18)
Turns on initial data setting
request flag (RY19)
Offset/gain value selection
(RY04)
Analog output enable/
disable setting (RWw4)
Turns on initial data setting
request flag (RY19)
Turns off initial data procedure
completion flag (RY18)
Turns off initial data setting
request flag (RY19)
Reads CH. Check code
(RWr0, RWr1, RWr2, RWr3)
*Processing at error occurence
*1
Error reset
*1: The pro
g
ram enclosed b
y
the dotted line is necessar
y
onl
y
when the initial settin
g
s are chan
g
ed.