Rosemount P330, Installation And Operation Manual, Page: 31 / 92

Section
4-1
4 Validator Setup
OVERVIEW This section describes setting the internal parameters and the
validation testing parameters of the Rosemount Model P330 Pressure
Validator. Internal parameters are:
• Display appearance (backlight and contrast)
• Memory mode
• Settings for pressure units, language, RS232 parameters,
powerdown mode, and calibration options
Validation parameters are:
• Setting pressure units
• Zeroing the display
• Turning the 24 V power supply on and off
SAFETY MESSAGES Procedures and instructions in this section may require special
precautions to ensure the safety of the personnel performing the
operations. Information that raises potential safety issues is indicated
by a warning symbol ( ). Refer to the following safety messages before
performing an operation preceded by this symbol.
Warnings ( )
Electrical shock can result in death or serious injury.
• Avoid contact with the leads and the terminals.
Validator housing could explode causing death or serious injury.
• This Validator is not to be connected to a process.
• External pressure source’s pressures should not exceed the Validator’s Burst
Pressure.
Exposure to pressure leaks can cause death or serious injury.
• Ensure that all pipes and fittings are correctly rated for the operating pressure
and temperature.
• Remove pressure and vent the transmitter, validator, and all lines before
disconnecting any pressure lines.
• Remove pressure and open the vent valve before switching the pressure/vacuum
output, if the validator is equipped with one.