Lakeshore Learning Materials 622 Manual do Utilizador descarregar pdf (Página 75)

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual

Options & Accessories

6-7

IBS? Magnetic Field Summary Query

Input: IBS?

Returned: [IOUT], [BFLD], [STB]

Remarks: Returns 23 characters plus up to two terminators.

LALM Program Level Alarm

Input: LALM [alarm] where [alarm] is the level value between 0 and ±999.9 that activates the

alarm. The value is truncated (not rounded) to the tenths place.

Remarks: The initial condition is 0. The alarm value uses the existing units. Conversion is made if units

are changed.

LALM? Level Alarm Query

Input: LALM?

Returned: The value returned is a number between ±999.9000.

Remarks: Nine characters plus up to two terminators are returned.

LALMS Program Level Alarm Status

Input: LALMS [status] where [status] = 0 for OFF, or 1 for ON.

Remarks: The initial condition is 0.

LALMS? Level Alarm Status Query

Input: LALMS?

Returned: 0 or 1. 0 indicates that the level alarm has not been reached. 1 indicates that the level is

below the alarm value and the alarm has been activated.

Remarks: Returns one character plus up to two terminators.

LEVL Read LHe Level

Input: LEVL [status] where [status] = 1 to read the level, or 0 not to read it.

Remarks: Reading the level requires a minimum of 5 seconds to update the level reading.

LEVL? LHe Level Query

Input: LEVL?

Returned: A number between ±999.9000.

Remarks: Returns nine digits plus up to two terminators.

LUNI Program LHe Level Units

Input: LUNI [units] where [units] = "%" for percentage, "E" for English units (inches), or "M" for

metric units (centimeters).

Remarks: The initial condition is E (inches). Make sure there is a space between the command and the

units parameter.

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Lakeshore Learning Materials 622 Manual do Utilizador Página 75