ADAM-4000 Series User Manual 182
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6.1.5 $AA0
Name 4 mA Calibration command
Description Stores the current output value 4 mA for reference in the
specified address in analog output module.
Syntax $AA0(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character hexadecimal
address whose data are to be sent.
0 is the 4 mA Calibration command.
(cr) is the terminating character, carriage return (0Dh).
Response !AA(cr) if the command was valid.
?AA(cr) if an invalid command was issued.
There is no response if the module detects a syntax or
communication error, or even if the specified address does not exist.
! delimiter character indicates that a valid command was received.
? delimiter character indicates that the command was invalid.
AA (range 00-FF) represents the responding 2-character
hexadecimal address of the analog output module.
(cr) is the terminating character, carriage return (0Dh).
Before issuing the 4 mA Calibration command, the analog
output module should be trimmed to the correct value with
the Trim Calibration command. A millimeter or a resistor
and voltmeter should be connected to the module’s output.
(Please refer to the analog output module’s Trim
Calibration command and Chapter 8, Calibration, for a
detailed description.)
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