Mitsubishi Electric MELSEC Q Series User Manual page 77

Channel isolated digital-analog converter module
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4
SETUP AND PROCEDURES BEFORE OPERATION
Switches to offset/gain setting mode
1
Switch to the channel where offset/gain settings will be performed
Set the amount of each change within the range from -3000 to 3000 during adjustment
Adjust the analog output value
Register the result of offset/gain settings in the module
Switches to normal mode
1 The program in the dotted area is a common program.
4 - 13
(a)
When switching the mode using the dedicated instruction (G(P).OFFGAN)
The following sample program switches to the offset/gain setting mode with
the dedicated instruction (G(P).OFFGAN), changes the channel where
offset/gain setting will be made, adjusts the offset/gain values, and writes the
offset/gain values to the Q62DA-FG.
Stores setting of dedicated
instruction (G.OFFGAN) into D2.
Dedicated instruction (G.OFFGAN)
Stores channel where offset/gain
setting will be made into D0.
Offset/gain range setting.
Specifies offset setting channel.
Sets 0 to buffer memory
address 23.
Sets 0 to buffer memory
address 22.
Specifies gain setting channel.
Turns on Channel change
request (YB).
Turns off Channel change
request (YB).
Set offset value adjustment to D1.
Set D1 to buffer memory
address 24.
Turn on Set value change
request (YC).
Turn off Set value change
request (YC).
Turns on User range write
request (YA).
Turns off User range write
request (YA).
Stores setting of dedicated
instruction (G.OFFGAN) into D2.
Dedicated instruction (G.OFFGAN)
Processing in normal mode
MELSEC-Q
4 - 13

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