Command Summary Table - Honeywell PPT User Manual

Precision pressure transducers
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5.9

COMMAND SUMMARY TABLE

The PPT command set is summarized in Table 5.3—Command List. A more detailed description of each
command can be found in Section 5.10—Command Descriptions.
Table heading explanations for Table 5.3—Command List:
Command Code:
Action Directing Command: Does this command change the PPT configuration? Yes—The
Sequential Response with Group or Global Address: Commands that begin with a group or
Input or Output:
Requires Write Enable: Is a WE command required before for this command? Yes—When
Terminates Continuous Commands: Will this command stop the PPT flow? Yes—This
Write to EEPROM:
Write to DAC:
Two-character code (cc) in the command format. The command code
characters can be one letter followed by an '=' equal sign, two letters, a
letter and a number, or a '~' tilde. The letters are not case sensitive; i.e.
either upper case or lower case may be used. The PPT will convert the
characters to upper case.
command changes the PPT configuration as an action directing com-
mand. No—The command is only an information request command.
global address (ID=90-99), are passed through the PPT network from
one device to the next and eventually end up back at the host proces-
sor. The PPT response is sent with the command through the network.
Before—The PPT response is sent before the group or global com-
mand. This is a sequential response. After—The PPT response is sent
after the group or global command. No—The PPT just passes the
command through the network with no response.
Is information input to the PPT or output from the PPT? In—Com-
mand is only used to input (action direct command) to the PPT. Out—
Command is only used to output (request information inquiry) from the
PPT. Both—Command can be used for either IN or OUT purposes.
sent as an action directed command, it must be preceded by a WE
command. No—Never requires a WE command beforehand. These
are request information commands only.
command will end the continuous flow of the P2, P4, T2, T4 com-
mands. No—Command will not stop the continuous flow commands.
Can this command have parameters stored in EEPROM?
Parameter values associated with this command may be stored in
EEPROM. No—Can not store anything from this command in
EEPROM. All—Cause all parameters to be store in EEPROM.
Can this command be written to the DAC? Yes—Command may be
directed to the DAC.
No—Command has nothing to do with the DAC
3 6
Yes—

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