This section describes what an AIDA-PVA user should know about accessing the SLC Klystron Data through AIDA-PVA. This data provider allows the control and data retrieval for specified klystron(s). For general information on using AIDA-PVA see Basic Users Guide to Aida, and the EPICS javadoc.

Summary

Controls and get status from specified klystrons.

Synopsis

	PV	Arguments	Description
1.5.1	`<prim>:<micr>:<unit>:TACT`	`TYPE` `BEAM` [ `DGRP` ]	Get Klystron Status
1.5.2	`KLYSTRONGET:TACT`	`BEAM` `DEVICES` [ `DGRP` ]	Get Multiple Klystron Statuses
1.5.3	`<prim>:<micr>:<unit>:TACT`	`VALUE` `BEAM` [ `DGRP` ]	Activate or Deactivate Klystron
1.5.4	`<prim>:<micr>:<unit>:PDES`	`VALUE` [ `TRIM` ]	Set Klystron Desired Phase
1.5.5	`<prim>:<micr>:<unit>:KPHR`	`VALUE`	Set Klystron HPR value
1.5.6	`<prim>:<micr>:<unit>:ACON`	`VALUE`	Set Klystron ACON configuration
	`<prim>:<micr>:<unit>:PCON`	`VALUE`	Set Klystron PCON configuration
1.5.7	`KLYSTRONSET:PMDL`	`VALUE`	Set multiple Sub-booster main drive line values

1.5.1. Get Klystron Status

<prim>:<micr>:<unit>:TACT
- TYPE* : return-type
- BEAM* : beam-code-number
- DGRP : display-group-name

This data provider allows the retrieval of status code(s) or status string(s) for specified klystron(s) on a beam code.

Arguments

Argument Names	Argument Values	Description
`TYPE`*		string: Determines the return type
	`SHORT`	return a short value
	`LONG`	return a long value
	`STRING`	return a string value
	`TABLE`	return a table corresponding to the required accompanying `TABLE_TYPE` argument
`BEAM`*		integer Beam code number
`DGRP`	`DGRP` name	A display group associated with the specified Klystron. Must be specified if the Klystron does not belong to display group `LIN_KLYS`

Return value

Note: Return value for BPM device shown below. TORO, GAPM, KLYS or SBST will be different.

TYPE	Description
`SHORT`	A short value containing the status code for the klystron on a beam code. See linklysta.txt
`LONG`	A long value containing the status code for the klystron on a beam code. See linklysta.txt
`STRING`	A string value containing a status string having one of two values: "deactivated" or "activated"

TYPE	Return Column	Column Type	Description
`TABLE`	`name`	`STRING_ARRAY`	device name `<prim>:<micr>:<unit>`
	`opstat`	`BOOLEAN_ARRAY`	operation status
	`status`	`SHORT_ARRAY`	klystron status
	`accel`	`BOOLEAN_ARRAY`	is in accelerate state
	`standby`	`BOOLEAN_ARRAY`	is in standby mode
	`bad`	`BOOLEAN_ARRAY`	is bad?
	`sled`	`BOOLEAN_ARRAY`	true is sled
	`sleded`	`BOOLEAN_ARRAY`	true if sleded
	`pampl`	`BOOLEAN_ARRAY`	true if pampl
	`pphas`	`BOOLEAN_ARRAY`	true if pphas

Examples

operation	Response
`KLYS:LI31:31:TACT BEAM=8 DGRP=DEV_DGRP TYPE=STRING`	`"activated"`
`KLYS:LI31:31:TACT BEAM=8 DGRP=DEV_DGRP TYPE=LONG`	`18`
`KLYS:LI31:31:TACT BEAM=8 DGRP=DEV_DGRP TYPE=SHORT`	`18`

Operation

KLYS:LI31:31:TACT BEAM=8 DGRP=DEV_DGRP TYPE=TABLE

Response

1.5.2. Get Multiple Klystron Statuses

KLYSTRONGET:TACT
- BEAM* : beam-code-number
- DEVICES* : list-of-klystron-devices
- DGRP : display-group-name

Get multiple statuses simultaneously.

Arguments

Argument Names	Argument Values	Description
`BEAM`*		integer Beam code number
`DEVICES`*	Klystron Device	Contains an array of `<prim>:<micr>:<unit>` to get the status of.
`DGRP`	Dgrp name	A display group associated with the specified Klystron. Must be specified if the Klystron does not belong to display group `LIN_KLYS`

Return value

TYPE	Return Column	Column Type	Description
`TABLE`	`name`	`STRING_ARRAY`	device name `<prim>:<micr>:<unit>`
	`opstat`	`BOOLEAN_ARRAY`	operation status
	`status`	`SHORT_ARRAY`	klystron status
	`accel`	`BOOLEAN_ARRAY`	is in accelerate state
	`standby`	`BOOLEAN_ARRAY`	is in standby mode
	`bad`	`BOOLEAN_ARRAY`	is bad?
	`sled`	`BOOLEAN_ARRAY`	true is sled
	`sleded`	`BOOLEAN_ARRAY`	true if sleded
	`pampl`	`BOOLEAN_ARRAY`	true if pampl
	`pphas`	`BOOLEAN_ARRAY`	true if pphas

Examples

Operations

KLYSTRONGET:TACT DEVICES=["KLYS:LI11:11", "KLYS:LI11:21"] BEAM=10

Response

1.5.3. Activate or Deactivate Klystron

<prim>:<micr>:<unit>:TACT
- VALUE* : float
- BEAM* : list-of-klystron-devices
- DGRP : display-group-name

Deactivation or Reactivation of a specified klystron on a beam code.

Arguments

Argument Names	Argument Values	Description
`VALUE`*		short flag code indicating the desired operation
	`0`	deactivate
	`1`	reactivate.
`BEAM`*		integer Beam code number
`DGRP`	`DGRP` name	A display group associated with the specified klystron. Must be specified if the klystron does not belong to display group `LIN_KLYS`

Return value

TYPE	Return Column	Column Type	Description
`TABLE`	`status`	`SHORT_ARRAY`	Status code for the specified klystron on a beam code - See linklysta.txt

Examples

Operations

KLYS:LI31:31:TACT BEAM=8 DGRP=DEV_DGRP VALUE=0

Klystron Status

`status`
`26`

1.5.4. Set Klystron Desired Phase

<prim>:<micr>:<unit>:PDES
- VALUE* : short
- TRIM : boolean

Set PDES value for a klystron or sub-booster and optionally trim the phase.

Arguments

Argument Names	Argument Values	Description
`VALUE`*		float The desired phase setting
`TRIM`		boolean Default: `YES`. Controls whether the optional trim operation will be carried out.
	`YES`	If not specified or set to `YES`, the trim phase operation will be performed.
	`NO`	If specified and set to `NO`, no trim phase operation will be performed after setting the `PDES` value.

Return value

TYPE	Return Column	Column Type	Description
`TABLE`	`phas`	`FLOAT_ARRAY`	The PHAS secondary value after the set `PDES` and optional trim phase operation.

Examples

Operations

KLYS:LI31:31:PDES VALUE=90.0

Klystron Status

`phas`
`26`

1.5.5. Set Klystron HPR value

<prim>:<micr>:<unit>:KPHR
- VALUE* : float

Set the KPHR value for a klystron or sub-booster.

Arguments

Argument Names	Argument Values	Description
`VALUE`*		float The desired KPHR setting

Return value

TYPE	Return Column	Column Type	Description
`TABLE`	`phas`	`FLOAT_ARRAY`	The PHAS secondary value after the set `KPHR` operation

Examples

Operations

KLYS:LI31:31:KPHR VALUE=60.0

Klystron Status

`phas`
`26`

1.5.6. Set Klystron ACON and PCON configurations

<prim>:<micr>:<unit>:ACON
- VALUE* : desired-ACON-setting
<prim>:<micr>:<unit>:PCON
- VALUE* : desired-PCON-setting

Set the configuration value, PCON or ACON, value of a specified klystron or sub-booster.

Arguments

Argument Names	Argument Values	Description
`VALUE`*		float desired `PCON` or `ACON` value

Return value

None

Examples

operation
`KLYS:LI31:31:ACON VALUE=5.0`
`KLYS:LI31:31:PCON VALUE=5.0`

1.5.7. Set Multiple Sub-booster Main Drive Line values

KLYSTRONSET:PMDL
- VALUE* : structure
  - NAMES* : list-of-sub-booster-names
  - VALUES* : list-of-values

The service allows multiple values to be set for the main drive line phase (PMDL) and other secondaries of specified sub-boosters simultaneously.

Arguments

Argument Names	Argument Values	Description
`VALUE`*	`{ <names-array>, <values-array> }`	a structure containing congruent arrays for names and values
	`<names-array>`	an array of sub-booster names
	`<values-array>`	an array of sub-booster set values

Return value

None

Examples

operation
‘KLYSTRONSET:PMDL’ VALUE='{"names":["SBST:LI00:1", "SBST:LI01:1"], "values":[0.1, 1.2]}`

CLI and Code Examples

Commandline Examples

example type

example

pvcall

pvcall "KLYS:LI31:31:TACT" BEAM=8 DGRP=DEV_DGRP TYPE=SHORT
pvcall "KLYS:LI31:31:TACT" BEAM=8 DGRP=DEV_DGRP TYPE=LONG
pvcall "KLYS:LI31:31:TACT" BEAM=8 DGRP=DEV_DGRP TYPE=STRING
pvcall "KLYS:LI31:31:TACT" BEAM=8 DGRP=DEV_DGRP TYPE=TABLE

pvcall "KLYSTRONGET:TACT" BEAM=8 DGRP=DEV_DGRP DEVICES='["KLYS:LI31:31", "KLYS:LI31:32"]'
"Device Name" "Operation Status" "Klystron Status" Accellerate Standby   Bad "Sled Tuned" Sleded Pampl pphas
 KLYS:LI31:31               true                18       false    true false        false   true false false
 KLYS:LI31:32              false            -32763       false   false false        false  false false false

pvcall "KLYS:LI31:31:TACT" BEAM=8 DGRP=DEV_DGRP VALUE=0
pvcall "KLYS:LI31:31:PDES" VALUE=90.0
pvcall "KLYS:LI31:31:KPHR" VALUE=60.0
pvcall "KLYS:LI31:31:PCON" VALUE=5.0
pvcall "KLYS:LI31:31:ACON" VALUE=5.0

pvcall 'KLYSTRONSET:PMDL' VALUE='{"names":["SBST:LI00:1", "SBST:LI01:1"], "values":[0.1, 1.2]}'

eget

eget -s KLYS:LI31:31:TACT -a BEAM 8 -a DGRP 'DEV_DGRP' -a TYPE 'SHORT'
eget -s KLYS:LI31:31:TACT -a BEAM 8 -a DGRP 'DEV_DGRP' -a TYPE 'LONG'
eget -s KLYS:LI31:31:TACT -a BEAM 8 -a DGRP 'DEV_DGRP' -a TYPE 'STRING'
eget -s KLYS:LI31:31:TACT -a BEAM 8 -a DGRP 'DEV_DGRP' -a TYPE 'TABLE'

eget -s KLYSTRONGET:TACT -a BEAM 8 -a DGRP 'DEV_DGRP' -a DEVICES '["KLYS:LI31:31", "KLYS:LI31:32"]'

eget -s KLYS:LI31:31:TACT -a BEAM 8 -a DGRP 'DEV_DGRP' -a VALUE 0
eget -s KLYS:LI31:31:PDES -a VALUE 90.0
eget -s KLYS:LI31:31:KPHR -a VALUE 60.0
eget -s KLYS:LI31:31:PCON -a VALUE 5.0
eget -s KLYS:LI31:31:ACON -a VALUE 5.0

eget -s KLYSTRONSET:PMDL -a VALUE '{"names": ["SBST:LI00:1", "SBST:LI01:1"], "values":[0.1, 1.2] }'

Matlab Examples

Note: For general details about accessing AIDA-PVA from matlab see User Guide for Matlab Users

action

example

Get

try
    builder = pvaRequest('KLYS:LI31:31:TACT');
    builder.with('BEAM', 8).with('DGRP', 'DEV_DGRP');
    builder.returning(AIDA_SHORT);
    shortResponse = builder.get()
catch e
    handleExceptions(e);
end
 
shortResponse =
    18

try
    builder = pvaRequest('KLYS:LI31:31:TACT');
    builder.with('BEAM', 8).with('DGRP', 'DEV_DGRP');
    builder.returning(AIDA_STRING);
    stringResponse = builder.get()
catch e
    handleExceptions(e);
end
 
stringResponse =
activated

try
    builder = pvaRequest('KLYSTRONGET:TACT');
    builder.with('BEAM', 8).with('DGRP', 'DEV_DGRP').with('devices', {'KLYS:LI31:31' 'KLYS:LI31:32'});
    tableResponse = ML(builder.get())
catch e
    handleExceptions(e);
end
 
tableResponse =
            size: 2
          labels: {'Device Name'  'Operation Status'  'Klystron Status'  'Accellerate'  'Standby'  'Bad'  'Sled Tuned'  'Sleded'  'Pampl'  'pphas'}
           units: []
    descriptions: []
      fieldnames: {'name'  'opstat'  'status'  'accel'  'standby'  'bad'  'sled'  'sleded'  'pampl'  'pphas'}
          values: [1x1 struct]
 
tableResponse.values.status(1)
ans =
   18
 
tableResponse.values.opstat(1)
ans =
     1
 
tableResponse.values.name(1)
ans =
    'KLYS:LI31:31'
 
tableResponse.values
ans =
       name: {'KLYS:LI31:31'  'KLYS:LI31:32'}
     opstat: [1 0]
     status: [18 32757]
      accel: [0 0]
    standby: [1 0]
        bad: [0 0]
       sled: [0 0]
     sleded: [1 0]
      pampl: [0 0]
      pphas: [0 0]

Set

try
    builder = pvaRequest('KLYS:LI31:31:TACT');
    builder.with('BEAM', 8);
    builder.with('DGRP', 'DEV_DGRP');
    statuses = ML(builder.set(0));
    status = statuses(1)
catch e
    handleExceptions(e);
end
 
status =
     0

try
    builder = pvaRequest('KLYS:LI31:31:TACT');
    builder.with('BEAM', 8);
    builder.with('DGRP', 'DEV_DGRP');
    statuses = ML(builder.set(90.0));
    phas = statuses(1)
catch e
    handleExceptions(e);
end

try
    pvaSetM('KLYS:LI31:31:KPHR', 60.0)
catch e
    handleExceptions(e);
end

try
    pvaSet('KLYS:LI31:31:PCON', 5.0);
catch e
    handleExceptions(e);
end

Multi-Set

try
    builder = pvaRequest('KLYSTRONSET:PMDL');
    jstruct = AidaPvaStruct();
    jstruct.put('names', { 'SBST:LI00:1', 'SBST:LI01:1'});
    jstruct.put('values', { 0.1, 1.2 } );
    builder.set(jstruct);
catch e
    handleExceptions(e);
end

Java Examples

example type

example

AidaPvaClient

import edu.stanford.slac.aida.client.PvaTable;
import org.epics.pvaccess.server.rpc.RPCRequestException;
 
import java.util.*;
 
import static edu.stanford.slac.aida.client.AidaPvaClientUtils.pvaRequest;
import static edu.stanford.slac.aida.client.AidaPvaClientUtils.pvaSet;
import static edu.stanford.slac.aida.client.AidaType.*;
 
public class Example {
    public Short getStatusShort() throws RPCRequestException {
        return (Short) pvaRequest("KLYS:LI31:31:TACT")
                .with("BEAM", 8)
                .with("DGRP", "DEV_DGRP")
                .returning(AIDA_SHORT)
                .get();
    }
 
    public Long getStatusLong() throws RPCRequestException {
        return (Long) pvaRequest("KLYS:LI31:31:TACT")
                .with("BEAM", 8)
                .with("DGRP", "DEV_DGRP")
                .returning(AIDA_LONG)
                .get();
    }
 
    public String getStatusString() throws RPCRequestException {
        return (String) pvaRequest("KLYS:LI31:31:TACT")
                .with("BEAM", 8)
                .with("DGRP", "DEV_DGRP")
                .returning(AIDA_STRING)
                .get();
    }
 
    public PvaTable getStatusTable() throws RPCRequestException {
        return (PvaTable) pvaRequest("KLYS:LI31:31:TACT")
                .with("BEAM", 8)
                .with("DGRP", "DEV_DGRP")
                .returning(AIDA_TABLE)
                .get();
    }
 
    public PvaTable getStatuses(Integer beamCode, List<String> devices) throws RPCRequestException {
        return (PvaTable) pvaRequest("KLYSTRONGET:TACT")
                .with("BEAM", beamCode)
                .with("DEVICES", devices)
                .get();
    }
 
    public PvaTable activateKlystron(Integer beamCode, Boolean activateStatus) throws RPCRequestException {
        return pvaRequest("KLYS:LI31:31:TACT")
                .with("BEAM", beamCode)
                .set(activateStatus);
    }
 
    public PvaTable setPdes(Float value) throws RPCRequestException {
        return pvaRequest("KLYS:LI31:31:PDES").set(value);
    }
 
    public PvaTable setKhpr(Float value) throws RPCRequestException {
        return pvaRequest("KLYS:LI31:31:KPHR").set(value);
    }
 
    public void setPconAcon(Float value) throws RPCRequestException {
        pvaSet("KLYS:LI31:31:PCON", value);
        pvaSet("KLYS:LI31:31:ACON", value);
    }
 
    public void setPmdls(List<String>subBoosters, List<Float> values) throws RPCRequestException {
        pvaSet("KLYSTRONSET:PMDL", Map.of("names", subBoosters, "values", values));
    }
}

PvaClient

import org.epics.nt.NTURI;
import org.epics.pvaClient.PvaClient;
import org.epics.pvaClient.PvaClientChannel;
import org.epics.pvaccess.server.rpc.RPCRequestException;
import org.epics.pvdata.pv.PVLong;
import org.epics.pvdata.pv.PVShort;
import org.epics.pvdata.pv.PVString;
import org.epics.pvdata.pv.PVStructure;
 
import java.util.List;
 
public class Example {
    public Short getStatusShort(Integer beamCode) throws RPCRequestException {
        String pvName = "KLYS:LI31:31:TACT";
 
        NTURI uri = NTURI.createBuilder()
                .addQueryInt("beam")
                .addQueryString("type")
                .addQueryString("dgrp")
                .create();
        uri.getPath().put(pvName);
        uri.getQuery().getIntField("beam").put(beamCode);
        uri.getQuery().getStringField("type").put("SHORT");
        uri.getQuery().getStringField("dgrp").put("DEV_DGRP");
 
        PvaClient client = PvaClient.get("pva");
        PvaClientChannel channel = client.createChannel(pvName);
        PVStructure response = channel.rpc(uri.getPVStructure());
 
        PVShort field = response.getSubField(PVShort.class, "value");
        return field.get();
    }
 
    public Long getStatusLong(Integer beamCode) throws RPCRequestException {
        String pvName = "KLYS:LI31:31:TACT";
 
        NTURI uri = NTURI.createBuilder()
                .addQueryInt("beam")
                .addQueryString("type")
                .addQueryString("dgrp")
                .create();
        uri.getPath().put(pvName);
        uri.getQuery().getIntField("beam").put(beamCode);
        uri.getQuery().getStringField("type").put("LONG");
        uri.getQuery().getStringField("dgrp").put("DEV_DGRP");
 
        PvaClient client = PvaClient.get("pva");
        PvaClientChannel channel = client.createChannel(pvName);
        PVStructure response = channel.rpc(uri.getPVStructure());
 
        PVLong field = response.getSubField(PVLong.class, "value");
        return field.get();
    }
 
    public String getStatusString(Integer beamCode) throws RPCRequestException {
        String pvName = "KLYS:LI31:31:TACT";
 
        NTURI uri = NTURI.createBuilder()
                .addQueryInt("beam")
                .addQueryString("type")
                .addQueryString("dgrp")
                .create();
        uri.getPath().put(pvName);
        uri.getQuery().getIntField("beam").put(beamCode);
        uri.getQuery().getStringField("type").put("STRING");
        uri.getQuery().getStringField("dgrp").put("DEV_DGRP");
 
        PvaClient client = PvaClient.get("pva");
        PvaClientChannel channel = client.createChannel(pvName);
        PVStructure response = channel.rpc(uri.getPVStructure());
 
        PVString field = response.getSubField(PVString.class, "value");
        return field.get();
    }
 
    public PVStructure getStatusTable(Integer beamCode) throws RPCRequestException {
        String pvName = "KLYS:LI31:31:TACT";
 
        NTURI uri = NTURI.createBuilder()
                .addQueryInt("beam")
                .addQueryString("type")
                .addQueryString("dgrp")
                .create();
        uri.getPath().put(pvName);
        uri.getQuery().getIntField("beam").put(beamCode);
        uri.getQuery().getStringField("type").put("TABLE");
        uri.getQuery().getStringField("dgrp").put("DEV_DGRP");
 
        PvaClient client = PvaClient.get("pva");
        PvaClientChannel channel = client.createChannel(pvName);
        return channel.rpc(uri.getPVStructure());
    }
 
    public PVStructure getStatuses(Integer beamCode, List<String> devices) throws RPCRequestException {
        String pvName = "KLYSTRONGET:TACT";
 
        NTURI uri = NTURI.createBuilder()
                .addQueryString("devices")
                .addQueryInt("beam")
                .create();
        uri.getPath().put(pvName);
        uri.getQuery().getStringField("devices").put("[\"KLYS:LI31:31\", \"KLYS:LI31:32\"]");
        uri.getQuery().getIntField("beam").put(beamCode);
 
        PvaClient client = PvaClient.get("pva");
        PvaClientChannel channel = client.createChannel(pvName);
        return channel.rpc(uri.getPVStructure());
    }
 
    public PVStructure activateKlystron(Integer beamCode, Boolean activateStatus) throws RPCRequestException {
        String pvName = "KLYS:LI31:31:PDES";
 
        NTURI uri = NTURI.createBuilder()
                .addQueryString("value")
                .addQueryInt("beam")
                .create();
        uri.getPath().put(pvName);
        uri.getQuery().getStringField("value").put(activateStatus.toString());
        uri.getQuery().getIntField("beam").put(beamCode);
 
        PvaClient client = PvaClient.get("pva");
        PvaClientChannel channel = client.createChannel(pvName);
        return channel.rpc(uri.getPVStructure());
    }
 
    public PVStructure setPdes(Double value) throws RPCRequestException {
        String pvName = "KLYS:LI31:31:PDES";
 
        NTURI uri = NTURI.createBuilder().addQueryDouble("value").create();
        uri.getPath().put(pvName);
        uri.getQuery().getDoubleField("value").put(value);
 
        PvaClient client = PvaClient.get("pva");
        PvaClientChannel channel = client.createChannel(pvName);
        return channel.rpc(uri.getPVStructure());
    }
 
    public PVStructure setKhpr(Double value) throws RPCRequestException {
        String pvName = "KLYS:LI31:31:KPHR";
 
        NTURI uri = NTURI.createBuilder().addQueryDouble("value").create();
        uri.getPath().put(pvName);
        uri.getQuery().getDoubleField("value").put(value);
 
        PvaClient client = PvaClient.get("pva");
        PvaClientChannel channel = client.createChannel(pvName);
        return channel.rpc(uri.getPVStructure());
    }
 
    public void setPconAcon(Double value) throws RPCRequestException {
 
        NTURI uri = NTURI.createBuilder().addQueryDouble("value").create();
        uri.getQuery().getDoubleField("value").put(value);
 
        String pvName = "KLYS:LI31:31:PCON";
        uri.getPath().put(pvName);
        PvaClient client = PvaClient.get("pva");
        PvaClientChannel channel = client.createChannel(pvName);
        channel.rpc(uri.getPVStructure());
 
        pvName = "KLYS:LI31:31:ACON";
        uri.getPath().put(pvName);
        channel = client.createChannel(pvName);
        channel.rpc(uri.getPVStructure());
    }
 
    public void setPmdls() throws RPCRequestException {
        String pvName = "KLYSTRONSET:PMDL";
 
        NTURI uri = NTURI.createBuilder().addQueryString("value").create();
        uri.getPath().put(pvName);
        uri.getQuery().getStringField("value").put("{\"names\":[\"SBST:LI00:1\", \"SBST:LI01:1\"], \"values\":[0.1, 1.2]}");
 
        PvaClient client = PvaClient.get("pva");
        PvaClientChannel channel = client.createChannel(pvName);
        channel.rpc(uri.getPVStructure());
    }
}

PvAccess

import org.epics.nt.NTURI;
import org.epics.pvaccess.client.rpc.RPCClientImpl;
import org.epics.pvaccess.server.rpc.RPCRequestException;
import org.epics.pvdata.pv.*;
 
import java.util.List;
 
public class Example {
    public Short getStatusShort(Integer beamCode) throws RPCRequestException {
        String pvName = "KLYS:LI31:31:TACT";
 
        NTURI uri = NTURI.createBuilder()
                .addQueryInt("beam")
                .addQueryString("type")
                .addQueryString("dgrp")
                .create();
        uri.getPath().put(pvName);
        uri.getQuery().getIntField("beam").put(beamCode);
        uri.getQuery().getStringField("type").put("SHORT");
        uri.getQuery().getStringField("dgrp").put("DEV_DGRP");
 
        RPCClientImpl client = new RPCClientImpl(pvName);
        PVStructure response = client.request(uri.getPVStructure(), 3.0);
        client.destroy();
 
 
        PVShort field = response.getSubField(PVShort.class, "value");
        return field.get();
    }
 
    public Long getStatusLong(Integer beamCode) throws RPCRequestException {
        String pvName = "KLYS:LI31:31:TACT";
 
        NTURI uri = NTURI.createBuilder()
                .addQueryInt("beam")
                .addQueryString("type")
                .addQueryString("dgrp")
                .create();
        uri.getPath().put(pvName);
        uri.getQuery().getIntField("beam").put(beamCode);
        uri.getQuery().getStringField("type").put("LONG");
        uri.getQuery().getStringField("dgrp").put("DEV_DGRP");
 
        RPCClientImpl client = new RPCClientImpl(pvName);
        PVStructure response = client.request(uri.getPVStructure(), 3.0);
        client.destroy();
 
 
        PVLong field = response.getSubField(PVLong.class, "value");
        return field.get();
    }
 
    public String getStatusString(Integer beamCode) throws RPCRequestException {
        String pvName = "KLYS:LI31:31:TACT";
 
        NTURI uri = NTURI.createBuilder()
                .addQueryInt("beam")
                .addQueryString("type")
                .addQueryString("dgrp")
                .create();
        uri.getPath().put(pvName);
        uri.getQuery().getIntField("beam").put(beamCode);
        uri.getQuery().getStringField("type").put("STRING");
        uri.getQuery().getStringField("dgrp").put("DEV_DGRP");
 
        RPCClientImpl client = new RPCClientImpl(pvName);
        PVStructure response = client.request(uri.getPVStructure(), 3.0);
        client.destroy();
 
 
        PVString field = response.getSubField(PVString.class, "value");
        return field.get();
    }
 
    public PVStructure getStatusTable(Integer beamCode) throws RPCRequestException {
        String pvName = "KLYS:LI31:31:TACT";
 
        NTURI uri = NTURI.createBuilder()
                .addQueryInt("beam")
                .addQueryString("type")
                .addQueryString("dgrp")
                .create();
        uri.getPath().put(pvName);
        uri.getQuery().getIntField("beam").put(beamCode);
        uri.getQuery().getStringField("type").put("TABLE");
        uri.getQuery().getStringField("dgrp").put("DEV_DGRP");
 
        RPCClientImpl client = new RPCClientImpl(pvName);
        PVStructure response = client.request(uri.getPVStructure(), 3.0);
        client.destroy();
 
        return response;
    }
 
    public PVStructure getStatuses(Integer beamCode, List<String> devices) throws RPCRequestException {
        String pvName = "KLYSTRONGET:TACT";
 
        NTURI uri = NTURI.createBuilder()
                .addQueryString("devices")
                .addQueryInt("beam")
                .create();
        uri.getPath().put(pvName);
        uri.getQuery().getStringField("devices").put("[\"KLYS:LI31:31\", \"KLYS:LI31:32\"]");
        uri.getQuery().getIntField("beam").put(beamCode);
 
        RPCClientImpl client = new RPCClientImpl(pvName);
        PVStructure response = client.request(uri.getPVStructure(), 3.0);
        client.destroy();
 
        return response;
    }
 
    public PVStructure activateKlystron(Integer beamCode, Boolean activateStatus) throws RPCRequestException {
        String pvName = "KLYS:LI31:31:PDES";
 
        NTURI uri = NTURI.createBuilder()
                .addQueryString("value")
                .addQueryInt("beam")
                .create();
        uri.getPath().put(pvName);
        uri.getQuery().getStringField("value").put(activateStatus.toString());
        uri.getQuery().getIntField("beam").put(beamCode);
 
        RPCClientImpl client = new RPCClientImpl(pvName);
        PVStructure response = client.request(uri.getPVStructure(), 3.0);
        client.destroy();
 
        return response;
    }
 
    public PVStructure setPdes(Double value) throws RPCRequestException {
        String pvName = "KLYS:LI31:31:PDES";
 
        NTURI uri = NTURI.createBuilder().addQueryDouble("value").create();
        uri.getPath().put(pvName);
        uri.getQuery().getDoubleField("value").put(value);
 
        RPCClientImpl client = new RPCClientImpl(pvName);
        PVStructure response = client.request(uri.getPVStructure(), 3.0);
        client.destroy();
 
        return response;
    }
 
    public PVStructure setKhpr(Double value) throws RPCRequestException {
        String pvName = "KLYS:LI31:31:KPHR";
 
        NTURI uri = NTURI.createBuilder().addQueryDouble("value").create();
        uri.getPath().put(pvName);
        uri.getQuery().getDoubleField("value").put(value);
 
        RPCClientImpl client = new RPCClientImpl(pvName);
        PVStructure response = client.request(uri.getPVStructure(), 3.0);
        client.destroy();
 
        return response;
    }
 
    public void setPconAcon(Double value) throws RPCRequestException {
 
        NTURI uri = NTURI.createBuilder().addQueryDouble("value").create();
        uri.getQuery().getDoubleField("value").put(value);
 
        String pvName = "KLYS:LI31:31:PCON";
        uri.getPath().put(pvName);
        RPCClientImpl client = new RPCClientImpl(pvName);
        client.request(uri.getPVStructure(), 3.0);
        client.destroy();
 
        pvName = "KLYS:LI31:31:ACON";
        uri.getPath().put(pvName);
        client = new RPCClientImpl(pvName);
        client.request(uri.getPVStructure(), 3.0);
        client.destroy();
    }
 
    public void setPmdls() throws RPCRequestException {
        String pvName = "KLYSTRONSET:PMDL";
 
        NTURI uri = NTURI.createBuilder().addQueryString("value").create();
        uri.getPath().put(pvName);
        uri.getQuery().getStringField("value").put("{\"names\":[\"SBST:LI00:1\", \"SBST:LI01:1\"], \"values\":[0.1, 1.2]}");
 
        RPCClientImpl client = new RPCClientImpl(pvName);
        client.request(uri.getPVStructure(), 3.0);
        client.destroy();
    }
}