Thankyou for your prompt reply. I feel sorry to reply late because of some problem.
Please read the following and let me know what will be procedure to do:-
Write “Key – KEY_WB” request
« %W 0x03 0x02 0xF3 LRC »
Write “Key – KEY_WB” response
« % W 0x02 ACK LRC »
LRC = XOR complete message
STAT = ACK (0x06) = OK
NAK (0x15) = not OK
BUSY (0x07) = in process
In case of negative answer (NACK) the request must be repeated until a positive answer
(ACK) has been received. The delay time for a new request has a minimum of 100ms.
In case of answer (BUSY) the sender has to wait until the answer (ACK) has been
In every case; each request must be answered with an response. The host has to wait on