Crystal XP2i-DP Digital Differential Pressure Gauge Manual de usuario descargar pdf (Pagina 7)

Commands  5

XP2i Programming Instruction Manual

Commands

The following are commands. All commands start with an exclamation mark (!).

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GENERAL COMMANDS

Clear Peaks

!CLR . . . . . . . .Clear high and peak low values by setting them to the current live reading (which might not be zero). For instance, if the current live reading

were 253 PSI, then both high and low peak registers would contain 253.

Disable/Enable Peak Display

Prevent peak pressure readings from being displayed and disables peak button operation. Works with standard peak mode only.

This command does not aect the display of the PSVtest mode. The PSVtest mode can only be disabled through CongXP.

!NPK . . . . . . . .Prevents peaks from being displayed.

!PKS . . . . . . . .Enables peak button operation (default).

Message Store

!MSGx . . . . . .Up to 12 characters (usually tag# or ID) can be stored in EEPROM. Set the message with “!MSGx” where “x” is the message.

Next Pressure Unit

!I,P . . . . . . . .This command is acknowledged with a simple “A,Ø”. To check which units were selected, send the command “?P,U” to return the pressure

value and the current pressure units.

No Auto O

!NAO . . . . . . . .Prevents automatic shutdown. The default setting of the XP2i allows the product to automatically shut down 20 minutes after the last button

push or the last RS-232 command. This command will return:

AUTO

OFF

To re-enable automatic shutdown, send the reset !YAO (Yes Auto O) command. This command will return: Auto Off 20 denoting the ability to turn

o the product after 20 minutes of inactivity. The

!NAO and !YAO settings are retained when the product is powered down or when a reset (“!RST”) com-

mand is used.

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Crystal XP2i-DP Digital Differential Pressure Gauge Manual de usuario Pagina 7

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