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Table 4-7. Host port commands (Continued)
Command
Description
Reads the process status. The controller board
162
returns four data bytes.
report status
1st status byte
• 0 = Power failure
• 1 = Unassigned interrupt has occurred
• 2 = A/D conversion failure
• 3 = Output on
• 4 = Load power regulation
• 5 = Overtemperature
• 6 = Interlock
• 7 = Line fault
2nd status byte
• 0 = Divide error
• 1 = Software single step
• 2 = Breakpoint
• 3 = Overflow
• 4 = Array bounds exception
• 5 = Undefined opcode
• 6 = Escape opcode exception
• 7 = Numeric coprocessor exception
3rd status byte
• 0 = Center frequency
• 1 = Set point unscaled
• 2 = Wide bus voltage test
• 3 = Water valve is off
• 4 = In diagnostic mode
• 5 = RF request
• 6 = Digital frequency display
• 7 = Continuous load power tuning
4th status byte
• 0 = At set point
• 1 = Datalogging enabled
• 2 = RF enabled without interlock
• 3 = Heartbeat time-out off
5705211-C
Communication Interfaces
HFV 8000 Generator
Number of
Number of
Host Data
Response
Bytes
Data Bytes
0
4
4-27
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