S2000 Elite - User's Guide
035-00707 Revision 1
79
10.2. RS232 Message Format and Protocol
All commands sent to the S2000 Elite and responses from the S2000 Elite include 3 pieces of
data:
1. the command section
2. CRC8
3. carriage return (“\r” in C code or chr$(13) in basic code).
The CRC8 (one byte value) is entered as a hex string.
When the carriage return character (CR) is received, the S2000 Elite will respond with an error
message if there is a problem. For example:
Error Message Response: “Err67\r”
The command “CONN18\r” must be sent out first to establish communication with the
connected PC. If a “READY0A\r” is received from the S2000 Elite, communications
can commence with the unit, otherwise, the command “CONN18\r” should be resent
until the response “READYOA\r” is received.
If there are no errors, the S2000 Elite will respond as indicated below. In the example, the XX
presents one byte CRC8 value.
CRC8 can be turned off through the Command Line Interface. Refer to 035-00724R Software
SDK.
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