This page describes the device driver and the device window for the CPI TWT Ka/K-Band amplifiers. Tested with Ka-Band Outdoor HPA TWT Ka 250W CW. This driver does not support ALC and connected waveguide switches.
Device window pages
The following table shows which device window pages are available with this individual device type. Tool-bar functions not mentioned here are described at the general description of device windows .
--- The operational parameters (BEAM-ON/STANDBY, RF ON/OFF)
--- Displays meter readings like output power and TWT specific measurements.
--- The faults page.
--- The device info page.
--- The maintenance page. The configuration parameters described below are set at this page.Configuration parameters
At the maintenance page of the device window there are a couple of configuration parameters which must be set to make the software talk to the Amplifier.
| parameter | description |
|---|---|
| address | The device address (decimal). The factory default is 48 |
| checkLimits | Turns the amplifier's built in power limit check off or on. When turned on, the amplifier generates a fault if the output power is outside the limits set below. |
| lowLimit | The low output power limit. |
| highLimit | The high output power limit. |
| Serial | Remember to set the line parameters for the serial interface connected to the TWTA. The factory default of the HPA is 9600,E,7,1 or if you use the TCP interface use port number 50000. |
| helixAdvWarning | Sets the advanced helix current warning level. Not monitored if 0 |
| logGainChanges | Defines if gain changes should be written in the event log database. Can automatically be adjusted by logLevelEnabledId within Uplink Power Control |
| deviceComment | An optional text entered here appears as an addition to the tooltip which is shown while the mouse is placed over a device icon in the GUI. The "\n" character sequence is translated into a newline character, splitting the text into multiple lines. |
Variables defined by this device driver
| name | type | flags | range |
|---|---|---|---|
| info.driver | TEXT | R/O | StringRange R/O |
| lowLevel.cmd | TEXT | StringRange | |
| lowLevel.reply | TEXT | R/O | StringRange R/O |
| faults.99 | ALARM | R/O | AlarmFlagRange R/O (Communication) |
| faults.commstat | TEXT | R/O | StringRange R/O |
| info.type | TEXT | R/O | StringRange R/O |
| info.port | TEXT | R/O | StringRange R/O |
| info.frame | TEXT | R/O | StringRange R/O |
| info.revision | TEXT | R/O | StringRange R/O |
| info.standbyElapsed | INTEGER | R/O | IntegerRange R/O (0 .. 0) |
| info.transmitElapsed | INTEGER | R/O | IntegerRange R/O (0 .. 0) |
| info.unitOnElapsed | INTEGER | R/O | IntegerRange R/O (0 .. 0) |
| info.signal.on | BOOLEAN | R/O | BooleanRange R/O (true false) |
| firstRun | INTEGER | R/O | IntegerRange R/O (0 .. 0) |
| config.powerDisplayMode | CHOICE | SAVE SETUP | EnumRange (GAIN ATTN) |
| config.checkLimits | CHOICE | SAVE SETUP | EnumRange (OFF ON) |
| config.lowLimit | INTEGER | SAVE SETUP | IntegerRange (0 .. 1000) |
| config.highLimit | INTEGER | SAVE SETUP | IntegerRange (0 .. 1000) |
| config.helixAdvWarning | FLOAT | SAVE SETUP | DoubleRange (0.0 .. 0.0) |
| config.logGainChanges | CHOICE | SAVE SETUP | EnumRange (ON OFF) |
| config.deviceComment | TEXT | SAVE SETUP | StringRange |
| tx.on | CHOICE | EnumRange (OFF ON) | |
| tx.beam | CHOICE | EnumRange (STANDBY ON) | |
| tx.gain | FLOAT | DoubleRange (0.0 .. 30.0) | |
| tx.attn | FLOAT | DoubleRange (0.0 .. 30.0) | |
| reset | TEXT | NOPRESET | StringRange |
| state | TEXT | R/O | StringRange R/O |
| tx.measuredLevel | FLOAT | R/O | DoubleRange R/O (0.0 .. 0.0) |
| tx.requestedLevel | FLOAT | SAVE | DoubleRange (-100.0 .. 40.0) |
| meas.fwdPwr | INTEGER | R/O | IntegerRange R/O (0 .. 0) |
| meas.refPwr | INTEGER | R/O | IntegerRange R/O (0 .. 0) |
| meas.iHelix | FLOAT | R/O | DoubleRange R/O (0.0 .. 0.0) |
| meas.uHelix | FLOAT | R/O | DoubleRange R/O (0.00 .. 0.00) |
| meas.temp | FLOAT | R/O | DoubleRange R/O (0.0 .. 0.0) |
| meas.tubeTemp | FLOAT | R/O | DoubleRange R/O (0.0 .. 0.0) |
| meas.coolingTime | INTEGER | R/O | IntegerRange R/O (0 .. 0) |
| internal.dummy | FLOAT | R/O | DoubleRange R/O (0 .. 0) |
| internal.summ | INTEGER | R/O | IntegerRange R/O (0 .. 0) |
| internal.bsl | INTEGER | R/O | IntegerRange R/O (0 .. 0) |
| internal.lcl | INTEGER | R/O | IntegerRange R/O (0 .. 0) |
| internal.sta2 | INTEGER | R/O | IntegerRange R/O (0 .. 0) |
| internal.sec1 | INTEGER | R/O | IntegerRange R/O (0 .. 0) |
| internal.sec2 | INTEGER | R/O | IntegerRange R/O (0 .. 0) |
| internal.flt1 | INTEGER | R/O | IntegerRange R/O (0 .. 0) |
| internal.flt2 | INTEGER | R/O | IntegerRange R/O (0 .. 0) |
| internal.flt3 | INTEGER | R/O | IntegerRange R/O (0 .. 0) |
| internal.flt4 | INTEGER | R/O | IntegerRange R/O (0 .. 0) |
| faults.01 | ALARM | R/O | AlarmFlagRange R/O (Summary) |
| faults.02 | ALARM | R/O | AlarmFlagRange R/O (Remote access) |
| faults.03 | ALARM | R/O | AlarmFlagRange R/O (SSIPA Over Current) |
| faults.04 | ALARM | R/O | AlarmFlagRange R/O (BUC Alarm) |
| faults.05 | ALARM | R/O | AlarmFlagRange R/O (High RF (alarm)) |
| faults.06 | ALARM | R/O | AlarmFlagRange R/O (Low RF (alarm)) |
| faults.07 | ALARM | R/O | AlarmFlagRange R/O (Tube Over Temp) |
| faults.08 | ALARM | R/O | AlarmFlagRange R/O (Helix over voltage) |
| faults.09 | ALARM | R/O | AlarmFlagRange R/O (Helix under voltage) |
| faults.10 | ALARM | R/O | AlarmFlagRange R/O (Helix over current) |
| faults.11 | ALARM | R/O | AlarmFlagRange R/O (High voltage arc) |
| faults.12 | ALARM | R/O | AlarmFlagRange R/O (DC buss) |
| faults.13 | ALARM | R/O | AlarmFlagRange R/O (Helix voltage in standby) |
| faults.14 | ALARM | R/O | AlarmFlagRange R/O (High Reflected RF) |
| faults.15 | ALARM | R/O | AlarmFlagRange R/O (PS interlock) |
| faults.16 | ALARM | R/O | AlarmFlagRange R/O (Tube switch over temp) |
| faults.17 | ALARM | R/O | AlarmFlagRange R/O (High RF) |
| faults.18 | ALARM | R/O | AlarmFlagRange R/O (Low RF) |
| faults.19 | ALARM | R/O | AlarmFlagRange R/O (External interlock) |
| faults.20 | ALARM | R/O | AlarmFlagRange R/O (Tube over temp) |
| faults.21 | ALARM | R/O | AlarmFlagRange R/O (SSIPA over current) |
| faults.22 | ALARM | R/O | AlarmFlagRange R/O (BUC fault) |
| faults.23 | ALARM | R/O | AlarmFlagRange R/O (BBRAM data invalid) |
| faults.24 | ALARM | R/O | AlarmFlagRange R/O (Internal reflected RF) |
| faults.25 | ALARM | R/O | AlarmFlagRange R/O (Fan stalled) |
| faults.26 | ALARM | R/O | AlarmFlagRange R/O (Isolator over temp) |
| faults.27 | ALARM | R/O | AlarmFlagRange R/O (Cabinet over temp) |
| faults.28 | ALARM | R/O | AlarmFlagRange R/O (Power sensor) |
| faults.29 | ALARM | R/O | AlarmFlagRange R/O (Standby) |
| faults.30 | ALARM | R/O | AlarmFlagRange R/O (Helix advance warning) |