Use of MCA User Data Memory by Specific Applications
Applications can use the MCA user data memory as needed. However, two principles should never
be violated. Applications should always delete the user data of another applications if they are not
able to retain the data consistency. Applications must not write one of the already existing
application names to byte offset 16.
MCA user data memory contents of applications from GBS Elektronik GmbH
Byte offset 0 U235: Enrichment constant 1
WinSPEC: Index for the analysis program
WinSCAN: Scan method and scan parameter
Byte offset 4 U235: Enrichment constant 2
WinSPEC-A: Repeat mode options
WinSCAN: Grid lines offset and period
Byte offset 8 U235: Enrichment constant 3
WinSPEC-A: Repeat mode options
Byte offset 12 U235: Enrichment constant 4
WinSPEC-A: Repeat mode options
Byte offset 16 Application name: “U235”, “LENG”, “SPEC”, “MCS”, “RATE”, “UF6 ”, “WMCA” , “WMCS” , “WSPC”, “WSCN”,
“WUF6”, “W235”, “MCAE”, “OSCI”
Byte offset 20 HV Inhibit Mode: 0, 1, 2, -1 (used for automatic restart in applications for unattended measurements)
Byte offset 22 HV Preset value: 0 ... 3600 (used for automatic restart in applications for unattended measurements)
Byte offset 24 Power switches
Byte offset 28 Stabilization preset: auto/channel
Byte offset 30 Stabilization on/off
Byte offset 32 Repeat mode : 0, 1, 2, 3, 4 ,100 (100 means software repeat mode), (Bit 15: 0 = inactive, 1 = active)
Byte offset 34 Elapsed repeats (software mode)
Byte offset 36 HV inhibit mode: 0, 1, 2, -1 (used as preset values after the MCA has been powered on)
Byte offset 38 HV preset value: 0 ... 3600 (used as preset values after the MCA has been powered on)
Byte offset 40 Energy calibration: channel 3
1
Byte offset 44 Energy calibration: energy 3
Byte offset 48 Energy calibration: channel 1 or null
Byte offset 52 Energy calibration: channel 2 or null
Byte offset 56 Energy calibration: energy 1 or actual slope
Byte offset 60 Energy calibration: energy 2 or actual offset
Byte offset 64 1
st
ROI pair (ROI end)
2
Byte offset 66 1
st
ROI pair (ROI begin)
Byte offset 68 2
nd
ROI pair
... ...
Byte offset 124 16
th
ROI pair
Byte offset 128 U235/UF6: Inspection description
WinMCS: 16 ROI pairs of the MCA spectrum ( similar the other ROIs )
1 Older applications have not supported 3 point energy calibration. Therefore, they have certainly not written a 3
rd
channel/energy
pair to the user data memory. In order to distinguish whether the user data memory contains a valid 3
rd
channel/energy pair, the
data is coded.
2 In applications with MCS spectrum the ROIs of the MCS spectrum are saved here. In WinMCS the ROIs of the MCA spectrum
are saved behind it.
(56 paginas)
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