Rice Lake MC Series Mass Comparator, A&D Weighing - MC-6100 - Manual (Page 51)

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13-2 Acknowledge Code and Error Codes
When the “Serial interface function ( 5if )” parameter is set to “ erCd 1 ”, the balance outputs <AK>
code or error code to each command as follows:
<AK> (06h) Acknowledge in ASCII code.
z When the balance receives a command to request data and can not process it, the balance
transmits an error code (EC, Exx).
When the balance receives a command to request data and can process it, the balance
outputs the data.
z When the balance receives a command to control the balance and can not process it, the
balance transmits an error code (EC, Exx).
When the balance receives a command to control the balance and can process it, the balance
transmits the acknowledge code.
Among commands to control the balance, the following transmit the acknowledge code both
when the balance receives the command and when the balance has accomplished the
command. If the command can not be processed properly, the balance transmits an error code
(EC, Exx). This error can be released using the CAL command.
CAL command (Calibration command) ON command (Display ON command)
P command (Display ON/OFF command) R command (RE-ZERO command)
R command
z When a communication error has occurred due to external noise, or a parity error has
occurred due to transmission error, the balance transmits an error code. In this case, send the
command again.
Command received
Command completed
Weighing mode
Zero display
In process
Personal computer Time Balance
R command
R CR LF
AKCR LF
AKCR LF