Miteq D-9301, Руководство по эксплуатации и обслуживанию, Страница: 25 / 86

3-6
3.3.2.2 Data Transfer
The general message format is as follows:
HEADER - DEVICE ADDRESS - COMMAND/ERROR CODE - PARAMETERS
(if required) - TRAILER - CHECKSUM
The response time from Command to acknowledge is 100 ms. maximum.
Since all bytes are ASCII printable characters, a compatible
terminal may be used to control the converter or monitor traffic
on the communication bus.
3.3.2.2.1 Header Byte
The Header byte is 7BH, ASCII character "{".
3.3.2.2.2 Device Address Byte
The Device Address may take on the values from 40H to 5FH
(32 possible addresses).
3.3.2.2.3 Command/Error Codes
COMMAND CODES
ASCII
Code Character Function
46H F Frequency Set
4DH M Mute
41H A Status All
3FH ? Status Faults
ERROR CODES
ASCII
Code Character Function
61H a Command not recognized
62H b Illegal parameter or
parameter out of range
63H c Unit in Local mode
64H d Busy