Remote Mode Operations U511 User’s Manual
6-6 Aerotech, Inc. Version 1.1
Table 6-6. Service Request Off Sequence
Direction of Transfer Command Description
Host→U511
SR0 Service Request Disable code
Host→U511
EOS character End of string character (LF)
U511→Host
ACK/NAK character Acknowledge character (0x06)
Example: SR0 <EOS character>
Table 6-7. Set Service Request Character Sequence
Direction of Transfer Command Description
Host→U511
SR Service Request code
Host→U511
SRQ character Service request character (%)
Host→U511
EOS character End of string character (LF)
U511→Host
ACK/NAK character Acknowledge character (0x06)
Example: SR% <EOS character>
Table 6-8. Service Request Response Sequence
Direction of Transfer Command Description
U511→ Host
SRQ character Initiate service request (%)
U511→Host
EOS character End of string character (LF)
Host→U511
Q Query character
Host→U511
EOS character End of string character (LF)
U511→Host
ACK/NAK character Acknowledge character (0x06)
U511→Host
Serial Pol reply Serial Pol reply code characters
U511→Host
EOS character End of string character (LF)
Example: Q <EOS character>
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