CHPA
S
ERIES
3-10
THIS
DOCUMENT
IS
THE
PROPERTY
OF
COMMUNICATIONS
&
POWER
INDUSTRIES.
REPRODUCTION
OR
RELEASE
WITHOUT
EXPRESS
PERMISSION
IS
STRICTLY
PROHIBITED
D
OC
.01023245
R
EV
.R
Responses:
Header byte = ACK (ASCII 06) is used if the CHPA accepted the command.
Header byte = NAK (ASCII 21) is used if the CHPA rejected the command. A reject code (or
codes) indicates why the command was rejected.
Ending byte = ETX (ASCII 03)
ASCII option
(ASCII on front panel)
All commands and responses:
Header byte = { (ASCII 123)
Ending byte = } (ASCII 125)
3.9.2 Address
Byte
(The address byte is under CIF CONFIGURATION as PORT ADDRESS.)
The address byte provides the computer port with an address. It may be set from 48 to 111
using the keypad or the arrow keys.
3.9.3 Command
Byte
The range of command bytes is from 32 to 111.
3.9.4 Response
Byte(s)
The response byte(s) range from 32 to 95.
3.9.5 Reject
Byte(s)
If a command is not accepted, a reject code (or codes) is returned. See Table 3-6.
Table 3-6. Reject Bytes
ASCII Character
Decimal
Meaning
a
97
Command byte not recognized.
b
98
Ilegal parameter out of range.
c
99
CIF is not enabled and the command can’t be executed.
d
100
Slow command in execution
f
102
The command was not executed; high voltage is OFF.
g
103
The command was not executed; RF is inhibited.
i
105
The command was not accepted; unit is in Fault.
