Series EJ, ET, EY, FJ & FR
102002-177 Rev M2
56
\1020\02177M2.doc 17 Jun 2019
4. Illegal Digital Control Byte In Set Command – only one of the following three
conditions can be set in the digital control byte of the Set command at any
one time:
HV On
HV Off
Power supply Reset
If the computer requests that the power supply set more than one of the above
three conditions simultaneously, error 4 will be generated. The error packet
that will be returned to the computer will be:
Characters sent: E 4 3 4 <CR>
In ASCII coded hexadecimal: 45 34 33 34 0D
5. Illegal Set Command Received While a Fault is Active – if a fault is active at the
time a Set command is received. The command must assert the Power
Supply Reset line. If the computer attempts to turn HV On or HV Off, or to
change only the analog control signals while a fault is active, the command
will be rejected and error 5 will be generated. The error packet that will be
returned to the computer will be:
Characters sent: E 5 3 5 <CR>
In ASCII coded hexadecimal: 45 35 33 35 0D
6. Processing Error: Data received was valid, however an error was detected when
executing the Command. The error packet that will be returned to the
computer will be:
Characters sent: E 6 3 6 <CR>
In ASCII coded hexadecimal: 45 36 33 36 0D
The fault signals that are checked are:
Power Supply Fault (when available)
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