MCA binary data format
2 General mode = 'MCA' (= 0)
In this general mode the MCA527 runs as an ordinary multi-channel analyzer.
2.1 Basis file block
The following table shows the basis file block of a MCA527 with general mode equal 'MCA' (=0).
Position Name Data type References
3
Byte offset 0 Header 28 bytes
Byte offset 28 MCA acquire mode unsigned short CMD_QUERY_STATE, byte offset 0
Byte offset 30 MCA channels unsigned short CMD_QUERY_STATE, byte offset 36
Byte offset 32 LLD unsigned short CMD_QUERY_STATE, byte offset 40
Byte offset 34 ULD unsigned short CMD_QUERY_STATE, byte offset 42
Byte offset 36 Threshold [ * 0,1 %] unsigned short CMD_QUERY_STATE527, byte offset 66
Byte offset 38 Preset unsigned short CMD_QUERY_STATE, byte offset 2
Byte offset 40 Preset value unsigned long CMD_QUERY_STATE, byte offset 4
Byte offset 44 Preset ROI begin unsigned short CMD_QUERY_STATE, byte offset 44
Byte offset 46 Preset ROI end unsigned short CMD_QUERY_STATE, byte offset 46
Byte offset 48 MCS channels unsigned short CMD_QUERY_STATE, byte offset 92
Byte offset 50 MCS input unsigned short CMD_QUERY_STATE, byte offset 84
Byte offset 52 MCS time per channel [ * 0.1 msec] unsigned long CMD_QUERY_STATE527, byte offset 92
Byte offset 56 Stabilisation state unsigned short CMD_QUERY_STATE, byte offset 68
Byte offset 58 Stabilisation result unsigned short CMD_QUERY_STATE, byte offset 70
Byte offset 60 Stabilisation ROI begin unsigned short CMD_QUERY_STATE, byte offset 72
Byte offset 62 Stabilisation ROI end unsigned short CMD_QUERY_STATE, byte offset 74
Byte offset 64 Stabilisation counter unsigned long CMD_QUERY_SYSTEM_DATA, byte offset 80
Byte offset 68 Stabilisation offset long CMD_QUERY_SYSTEM_DATA, byte offset 84
Byte offset 72 Stabilisation offset minimum long CMD_QUERY_SYSTEM_DATA, byte offset 88
Byte offset 76 Stabilisation offset maximum long CMD_QUERY_SYSTEM_DATA, byte offset 92
Byte offset 80 Stabilisation area preset unsigned long CMD_QUERY_SYSTEM_DATA, byte offset 116
Byte offset 84 Stabilisation time preset [sec] unsigned short CMD_QUERY_SYSTEM_DATA, byte offset 120
Byte offset 86 Repeat value unsigned short CMD_QUERY_STATE, byte offset 12
Byte offset 88 Amplifier coarse gain unsigned short CMD_QUERY_STATE, byte offset 48
Byte offset 90 Amplifier fine gain unsigned short CMD_QUERY_STATE, byte offset 50
Byte offset 92 ADC input unsigned short CMD_QUERY_STATE, byte offset 76
Byte offset 94 ADC input polarity unsigned short CMD_QUERY_STATE, byte offset 78
Byte offset 96 High voltage [V] unsigned short CMD_QUERY_STATE, byte offset 56
Byte offset 98 High voltage polarity unsigned short CMD_QUERY_STATE, byte offset 58
Byte offset 100 HV inhibit mode short CMD_QUERY_STATE, byte offset 122
3 The parameters starting from byte offset 16 refer to parameters returned by MCA query commands. The table cells contain the
name of the command and the byte offset within the result data array. See the document “Description of the MCA527 Firmware
Commands” (MCA527_Firmware_Commands_XXXX_XX_XX.pdf).
(2 pages)
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