App - 3
APPENDIX
(1) When the offset/gain setting mode is switched to the normal mode, Module
ready (X0) turns from OFF to ON.
Note that initial setting processing will be executed if there is a sequence
program that makes initial setting when Module ready (X0) turns ON.
(2) When one mode is switched to the other (the normal mode is switched to the
offset/gain setting mode or the offset/gain setting mode is switched to the
normal mode), the A/D converter module suspends A/D conversion and
switches OFF the power supply to the 2-wire transmitter.
To resume A/D conversion and power supply to the 2-wire transmitter, turn
ON the operating condition setting request (Y9) after the mode is switched to
the normal mode.
(2) Operation error
No errors.
(3) Program example
The following program is designed to switch the A/D converter module mounted in the
position of I/O number X/Y0 to X/YF to the offset/gain setting mode when M10 is
turned ON, and to return it to the normal mode when M10 is turned OFF.
Stores setting of dedicated
instruction (G.OFFGAN) into D1.
Dedicated instruction (G.OFFGAN)
Stores setting of dedicated
instruction (G.OFFGAN) into D1.
Dedicated instruction (G.OFFGAN)
Switches to offset/gain setting mode
Switches to normal mode
Performs processing for offset/gain setting
Performs processing for normal mode
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