Chapter 7 XGT Dedicated Protocol
7-19
(e) Example
This example supposes that registered device No. 1 of station No. 1 is read. and BCC value is
checked. And it is supposed that device M000 is registered and the number of blocks is 1.
1) PC request format (PC → XGB)
Format name
Header
Station No.
Command
Registration No.
Tail Frame check
Frame (Example)
ENQ H01 Y(y) H01 EOT BCC
ASCII value
H05 H3031 H59(79) H3031 H04
2) For ACK response after execution of command (PC → XGB)
Format name
Header
Station
No.
Command
Registration
No.
Number of
Blocks
Number of data
Data Tail Frame check
Frame (Example)
ACK H01 Y(y) H01 H01 H02 H2342 ETX BCC
ASCII value
H06 H3031 H59(79) H3031 H3031 H3032 H32333432 H03
3) For NAK response after execution of command (PC → XGB)
Format name
Header
Station No. Command
Registration No.
Error code
Tail Frame check
Frame (Example)
NAK H01 Y(y) H01
Error code(2)
ETX BCC
ASCII value
H15 H3031 H59(79) H3031
Error code(4)
H03