Gbs-elektronik MCA166-USB Manual de usuario descargar pdf (Pagina 61)

MCA Measurement Setup Commands:

Command name CMD_SET_ADC_RES_DISCR

Description The command set the ADC resolution(res: 128, 256 … 4096), the LLD(Low level

discriminator) and the ULD(Upper level discriminator) to the values of its three

parameter.

The command will be ignored and responded with a error messages, if one ore

more parameter are invalid or a measurement is still running.

Command syntax

Format integer integer integer long integer

Parameter preamble command res LLD, ULD end flag

Byte String (HEX) A5 5A 46 00 res

res

LLD

ULD

B9 9B

Used setup value None

Affected setup value channels, lld, uld, stab_state

MCA state STATE_READY

Command name CMD_SET_PRESETS

Description The command sets the choice(pre)

PRESET_NONE = 0

PRESET_REAL = 1

PRESET_LIVE = 2

PRESET_INT = 3

PRESET_AREA = 4

and value(val) of the preset. The parameter val must be lower then 65536 for

PRESET_REAL and PRESET_LIVE! If a measurement is running, only val can be

changed.

Command syntax

Format integer integer integer long integer

Parameter preamble command pre val end flag

Byte String (HEX) A5 5A 48 00 pre

pre

val

... ... val

B9 9B

Used setup value None

Affected setup value presets, preset_value

MCA state STATE_READY

Command name CMD_SET_ROI

Description The command sets the begin and end of the ROI for the preset integral and

area.(LLD <= begin < end and LLD < end <= ULD)

Command syntax

Format integer integer integer long integer

Parameter preamble command beg end end flag

Byte String (HEX) A5 5A 49 00 beg

beg

end

00 00 B9 9B

Used setup value LLD, ULD

Affected setup value roi_begin, roi_end

MCA state STATE_READY

1 2 ... 56 57 58 59 60 61 62 63 64 65 66 ... 72 73

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Gbs-elektronik MCA166-USB Manual de usuario Pagina 61

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