Low Beta Qpm Devices
Example:
ADD C:NAME ( 'Descriptive Text Here ' , D0QPM, , 7FFFFFE )
Naming convention: C: followed by circuit (one of DA,DB,DC,DD, BA,BB,BC or BD if D0 or B0 it is shared by all circuits) followed by short hand for device ( VTG for voltage to ground )
Examples: C:DAVTG ( ‘DA Volts to ground’, D0QPM, ,7FFFFFE)
C:DAQPLX(‘ Qpm Power Lead Extrema’, D0QPM, , 7FFFFFE)
C:D0STAS(‘ D0 Qpm Status Sense’, D0QPM, , 7FFFFFE)
SSDN Definition:
|----------------------------P1
| |---------------------P2
| | |--------------P3
| | | |--------P4
SSDNHX READNG (0 0 0 0 / 0 0 1 3 / 0 1 0 0 / 0 0 0 0)
| | | | | | | | ______________>>>> OID Message Specific Parameters (OMSP) different for each OID see list below
| | | | | | __>>>>>>>>>>>>>>>>>> OID number ( see list below )
| | | | | _>>>>>>>>>>>>>>>>>>>>>circuit number 0 == A circuit, 1 == B circuit, 2 == C circuit, 3 == D circuit
| | | | _>>>>>>>>>>>>>>>>>>>>>> reserved for future use
______>>>>>>>>>>>>>>>>>>>>>>>> no longer used ( used to be trunk and node)
OIDs may have any combination of properties, the SSDN is defined as above for each property
Standard Definitions for PRO and PDB:
PRO READNG ( 4 , 12 , 60 ) ( there are three voltage to ground readings of four bytes each with a total number of 12 bytes read at once per second default rate )
PDB -- use primary transform # 24 for floating point numbers and # 10 for integers
-- use common transform #0 as values are scaled by the front end
Definition of OIDs:
OID # Decription Reading Setting Basic Control OMSP definition
(hex) (decimal)
10 16 Power Lead Voltages voltage time constant none P1 == lead number
11 17 Power Lead Voltage Excursions entry 1: low V extrema low V tolerance resets extrema P1 == entry number
entry 2: current @ low V low R tolerance P2 == lead number
entry 3: hi V extrema hi V tolerance
entry 4: current @ hi V hi R tolerance
12 18 Inductances none Inductances none P1 == QPU# (only one for LB’s)
P2 == QDU# ( max of 4 to 8 depending on circuit)
13 19 Voltage to Grounds voltages none none P1 == VTG tap # (1 to 3)
14 20 Voltage to Ground Excursions entry 1: lo V extrema lo V limit resets extrema P1 == Entry number
entry 2: hi V extrema hi V limit P2 == VTG tap #
15 21 Heaters Heater Status Heater Command none P1 == QPU # ( always 1)
16 22 Circular Buffer Control entry 1: CB top address Pre-event time none P1 == entry number
entry 2: CB bottom address
entry 3: CB pointer address
entry 4: CB brake address
17 23 Circular Buffer element 1: flags none none P2 == Element number
returned by element element 2: event P3P4 == Entry number ( time sample 1 to 360)
element 3: status
element 4: control
element 5: heater control
element 6: heater status
element 7-14: cell Volts
element 15-22: resistive Vs
element 23: trim current
element 24: calc didt
element 25: relative didt
element 26-28: VTGs
element 29: current
element 30-37: Lead Volts
18 24 Clock Frequency and Reference entry 1: number of samples clock frequency reset counts P1 == Entry number
entry 2: lowest clock count
entry 3: highest clock count
entry 4: sum of clock counts
19 25 Voltage to Frequency entry 1: number of samples VFC offsets reset extrema P1 == Entry number
entry 2: lowest scaler count P2 == scaler channel (1 to 72)
entry 3: highes scaler count
entry 4: sum of scaler counts
1A 26 Current entry 1: current entry 1: delta didt TC none P1 == Entry number
entry 2: rel didt- calc didt entry 2: calc didt TC
entry 3: rel didt
entry 4: calc didt
1B 27 QPM Status events/status/control status sense resets status none
for current,first and latched
1C 28 Reboot Lockout Current none Reboot lockout I none none
must be within +/- 22 amps
1D 29 Resistive Voltage Excursions Resistive V extrema Quench and antiQuench reset extrema P1 == QDU #
limits P2 == lo or high ( 1 or 2)
P3 == QPU # (always 1)
1E 30 Magnet Cell Voltages Cell & Resistive Voltages none none P1 == QDU #
P2 == cell or Res (1 or 2)
P3 == QPU # (always 1)
1F 31 System Topology Quenched cell indicators entry 1: trim in? none reading:
entry 2: # of leads P1 == QPU # (always 1)
entry 3: # vtgs P2 == QDU #
entry 4: # extra VFCs setting:
entry 5: # QPUs P1 == Entry #
entry 6: # QDUs P2 == QPU # (always 1)
entry 7: # HFUs
20 32 Status and Event Masks none entry 1: status masks none P1 == Mask #
entry 2: event masks P2 == Entry #
21 33 Master Reset none none QPM reset none
22 34 QPM Flags none mode flags none none
23 35 Circular Buffer by time slice entrys: time slice # none none P1P2 == Element #
elements save as OID 22 P3P4 == Entry # ( 1 is oldest)
24 36 Overcurrent Limit none current limit none none
25 37 Heater Discharge times HFU status at 1/720 sec none none P1 == QPU # (always 1)
intervals P2 == interval # (1 to 37)
26 38 Raw VFC channel counts VFC counts – offset none none none