Self diagnosis – NEC RS-232C User Manual
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PG-EN: Enable/Disable Schedule data
PG: Program No.
'0'-'0'(30h, 30h): Program No.1
|
'0'-'6'(30h, 36h): Program No.7
EN: Enable /Disable
'0'-'0'(30h, 30h): Disable
'0'-'1'(30h, 31h): Enable
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.5
“Check code” for a BCC calculation.
Delimiter
CR (0Dh): End of packet
4) The monitor replies a data for confirmation.
Header
Message
Check code
Delimiter
SOH-'0'-'0'-Monitor ID-'B'-'0'-'C'
STX-'C'-'3'-'1'-'5'-ST-PG-EN-ETX
BCC
CR
Header
SOH (01h): Start Of Header
'0' (30h): Reserved
'0' (30h): Message receiver is the controller.
Monitor ID: Indicate a replying Monitor ID.
Ex.)
When this byte is set to 'A', the replying Monitor ID is '1'.
'B' (42h): Message type is "Command reply".
'0'-'C' (30h, 43h): Message length
Message
STX (02h): Start of Message
'C'-'3'-'1'-'5' (43h, 33h, 31h, 35h): Enable/Disable Schedule writes reply command
ST: Enable/Disable Schedule Status command
'0'-'0'(30h, 30h): No error
'0'-'1'(30h, 31h): Error
PG-EN: Enable/Disable Schedule data
PG: Program No.
'0'-'0'(30h, 30h): Program No.1
|
'0'-'6'(30h, 36h): Program No.7
EN: Enable /Disable
'0'-'0'(30h, 30h): Disable
'0'-'1'(30h, 31h): Enable
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.5
“Check code” for a BCC calculation.
Delimiter
CR (0Dh): End of packet
11. Self diagnosis
11.1 Self-diagnosis status read
This command is used in order to read the Self-diagnosis status.
1) The controller requests the monitor to read Self-diagnosis status.
Header
Message
Check code
Delimiter
SOH-'0'-Monitor ID-'0'-'A'-'0'-'4'
STX-'B'-'1'-ETX
BCC
CR
Header