Parameters U511 User’s Manual
4-14 Aerotech, Inc. Version 1.1
4.3.7. “Command ACK character”
The U511 will return the character specified in parameter 614/623 after it has
successfully received and decoded a remote command. The host computer should wait for
this character (or NAK) to be returned from the U511. If a time out occurs, the
communications port should be cleared (send ##). The parameter can range from 0 to
255. The default has a decimal value of 6 and a hexadecimal value of 0x06.
4.3.8. “Command NAK character”
The U511 will return the character specified by parameter 615/624 if it receives an
unknown remote command or if a syntax error exists with an immediate command. The
host computer should wait for this character (or ACK) to be returned from the U511. If a
time out occurs, the communications port should be cleared (send ##). The value of this
parameter may range from 0 to 255. The default value has a decimal value of 21 and a
hexadecimal value of 0x15.
4.3.9. “Default configuration”
The number of parameter 616/625 specifies the operation of the remote interface after a
power up condition. See Chapter 6: Remote Mode Operations for more information. This
parameter can range from 0 to 8,388,607 and the default value is 0.
Any communication parameter can be entered in hexadecimal format, as in 0x123, or
decimal format, as in 163.
614, 623
615, 624
616, 625
F
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