Honeywell PPT User Manual page 14

START-UP PARAMETERS—Sets the PPT configuration after power is applied
WE Enable parameter writes to the RAM or EEPROM
SP Store RAM parameters to the EEPROM for startup
M O Specify the power-up message and operating mode
PRESSURE NOISE REDUCTION—Reduces pressure noise signals
DS Set deadband and sensitivity parameters
ANALOG OUTPUT
D A Enables PPT sensed pressure to control the analog output
N E Enable host computer control of the analog output
N = Supply an analog output value in ASCII format, by host computer
~ Supply an analog output value in binary format, by host computer
H = Set the analog highest reading FS voltage
L = Set the analog lowest reading voltage
O= Set pressure window offset for minimum analog reading
W= Set pressure window width for analog full scale span
A N Turn on or off the customized H=, L=, O=, and W= analog scales
DIAGNOSTIC AND RESET CONTROL
I N Performs a software reset of microprocessor
RS Read status of error indicators
C K Performs and provides the result of EEPROM checksum
OP Use pressure reading checksum for binary format
OFFSET TARE CONTROL
T= Allows user to install an offset in the output reading
TC Turn on or off user controlled tare function
USER AND STARTUP MESSAGES
A= Store 8 characters of user supplied data
B= Store 8 characters of user supplied data
C= Store 8 characters of user supplied data, which can be configured as a watchdog or
reset message
D= Store 8 characters of user supplied data, which can be configured as a watchdog or
reset message
M O Specify the startup header selection
PPT UNIT INFORMATION
P= PPT production date
S= PPT serial number
V= PPT software version number
I D Assign device ID and group addresses
M = Read the maximum full scale pressure limit allowed
CUSTOMIZE PRESSURE WINDOW
F= Customize the full scale pressure limit
O= Set pressure window offset for minimum analog reading
W= Set pressure window width for analog full scale span
X= Set the slope "m" parameter for user input mx+b control
Y= Same as X= but for negative slope in differential device
Z= Set the offset "b" parameter for user input mx+b control
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