Details Of Commands - Panasonic IMAGECHECKER PV230 Manual

4.2.2 Details of Commands

"SEND" described in this chapter indicates the commands given from external devices to PV230. On the other
hand, "Receive" indicates the responses for the sent commands from PV230 to external devices.
About Response at Error
When sending a command message from the external device, an error response message containing 3-digit
error code may be returned. This message is returned when the sent command is wrong or PV230 cannot
receive the command.
The response differs depending on commands except the following common responses. Refer to the
descriptions of each command.
Error Response Message Common to Commands
% ! 1 0 0 BCC(35) CR
• This message is sent when Block Check Code (BCC) error occurred or an undefined command
(unrecognizable command) is received.
• Error signal turns on.
% ! 1 1 0 BCC(34) CR
• Receive buffer overflow of PV230. This might occur when inputting multiple commands in a row from the
external device to PV230. If you receive this error response, decrease commands to send to PV230.
• Error signal turns on.
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