IDK MSD-804FD Series Command Manual page 100

@GRC Get reply command
Command @GRC, no
format
Return value @GRC, no, process, length, command, mask, memo
format
Parameter no : Command number
1 to 32
process :
0 = Stop, 1 = Execute (Continue), 2 = Resend command
length : Reply command size (the number of bytes)
0 to 30
command : Reply command data
Specify length × 2 digits with 0 to 9, A to F, a to f = 4 bit per digit (in hexadecimal)
Mask:
Specify length × 2 digits with 0 to 9, A to F, a to f = 4 bit per digit (in hexadecimal)
memo:
Up to 14 characters of 20 to 7D except 2C (,). "2 ASCII codes"
Example Send
Receive
Send
Receive
Related info. 8.12.2 Reply commands
@GRC,1
@GRC,1,1,9,
52454356204F4B0D0A,
FFFFFFFFFFFFFFFFFF,OK
@GRC,2
@GRC,2,0,1,40,40,NG
100
MSD-804FD Users Guide (Command Guide)
Get reply command 1.
・Process: Execute (Continue)
・Length: 9 bytes
・Command: RECV OKCR LF (ASCII
code)
・Mask: FF for all (Checking all bit)
・Memo: OK
Get reply command 2.
・Process: Stop
・Length: 1 byte
・Command: 40 (in hexadecimal)
・Mask: 40 (Checking the second bit
from the top)
・Memo: NG