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ADS-14221, PPT2 User Manual
2.0 Getting Started
2.1
OVERVIEW
The first-time user should approach the PPT2 in a manner analogous to using a word processor program; i.e.,
many features are available but one may begin by using only those of interest at the moment.
As shipped from the factory, the default settings provide a pressure transducer that will be usable for many
applications. Once the user is familiar with the performance and command structure, changes may be made and
stored using the 'Store Parameters' (SP) command. Once stored, the user-defined settings are activated each
time the PPT2 is powered up. This tailors the performance of the PPT2 to meet the needs of a particular
application.
2.2
EQUIPMENT NEEDED
To prepare the PPT2 for operation, three items are needed:
• A mating connector with proper wiring connections (see connector part number and wiring diagrams in
Section 6);
• A DC power supply;
• A source of pressure that is properly matched to the range and type of the PPT.
To operate the PPT2 in the analog output mode, one additional item is needed:
• Voltage Output - A five digit voltmeter with 0-5 volt range connected between Analog Out and Signal
Common. A computer is not required to read the Analog output.
To operate the PPT2 in the digital output mode, one additional item is needed:
• A computer, or host processor, having an RS-232 or RS-485 serial port (or suitable USB adapter) and
terminal emulation program.
The wiring diagram designates which PPT2 pins must connect to the computer "send", "receive" and
"common" pins for proper communications.
2.3
TERMINAL PROGRAM SETTINGS
Enter the following settings in the terminal program:
Attach a line feed to the carriage return.
Turn the local echo ON.
When shipped from the factory, the PPT2 is set to a baud rate of 9600, 1 start bit, 8 data bits with no parity and 1
stop bit. If the baud rate has been subsequently changed, and is unknown, it will be necessary to search all baud
rate values to reestablish communication. See the BP command description in Section 5 of this manual for
possible settings.
Baud Rate:
9600
Start Bits:
1
Data Bits:
8
Stop Bits:
1
Parity:
None
October, 2016
5 of 85
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