Experimental Physics and
Industrial Control System

Hovanes Egiyan <[email protected]> · Mon, 14 Jul 2014 11:31:03 -0400

Hi,

we are using "ether_ip-2.24.1" EPICS module and EPICS base 3-14-12-3 for

communicating with

Allen-Bradley ControlLogix and CompactLogix PLC-s from GUIs. We need to

use BOOL array tags in the

PLC code, and we would like to be able to change them from EPICS GUIs.

We tried to use mbboDirect

EPICS record type and we noticed that mbboDirect records set the

corresponding BOOL array tags

to zero every time the Linux IOC is rebooted, which is highly

undesirable. Has anyone else seen such a behavior?

I attached the EPICS DB file, the IOC booting script and the XML project

file for the PLC project.

Any suggestion would be appreciated.

Hovanes Egiyan.

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<RSLogix5000Content SchemaRevision="1.0" SoftwareRevision="20.00" TargetName="Development" TargetType="Controller" ContainsContext="false" Owner="halldusers, Thomas Jefferson National Labs" ExportDate="Fri Jul 11 08:14:38 2014" ExportOptions="DecoratedData ForceProtectedEncoding AllProjDocTrans">
<Controller Use="Target" Name="Development" ProcessorType="1756-L62" MajorRev="20" MinorRev="11" TimeSlice="20" ShareUnusedTimeSlice="1" ProjectCreationDate="Tue Jul 08 07:27:16 2014" LastModifiedDate="Fri Jul 11 08:12:01 2014" SFCExecutionControl="CurrentActive" SFCRestartPosition="MostRecent"
 SFCLastScan="DontScan" CommPath="CntrLogix_DEVEL\129.57.26.156\Backplane\0" ProjectSN="16#0072_06b4" MatchProjectToController="false" CanUseRPIFromProducer="false" InhibitAutomaticFirmwareUpdate="0">
<RedundancyInfo Enabled="false" KeepTestEditsOnSwitchOver="false" IOMemoryPadPercentage="90" DataTablePadPercentage="50"/>
<Security Code="0" ChangesToDetect="16#ffff_ffff_ffff_ffff"/>
<SafetyInfo/>
<DataTypes/>
<Modules>
<Module Name="Local" CatalogNumber="1756-L62" Vendor="1" ProductType="14" ProductCode="55" Major="20" Minor="11" ParentModule="Local" ParentModPortId="1" Inhibited="false" MajorFault="true"
>
<EKey State="ExactMatch"/>
<Ports>
<Port Id="1" Address="0" Type="ICP" Upstream="false">
<Bus Size="10"/>
</Port>
</Ports>
</Module>
<Module Name="EN2T5" CatalogNumber="1756-EN2T" Vendor="1" ProductType="12" ProductCode="166" Major="5" Minor="7" ParentModule="Local" ParentModPortId="1" Inhibited="false" MajorFault="false"
>
<EKey State="CompatibleModule"/>
<Ports>
<Port Id="1" Address="9" Type="ICP" Upstream="true"/>
<Port Id="2" Address="129.57.26.156" Type="Ethernet" Upstream="false">
<Bus/>
</Port>
</Ports>
<Communications CommMethod="536870914">
<Connections/>
</Communications>
<ExtendedProperties>
<public><ConfigID>4325481</ConfigID></public></ExtendedProperties>
</Module>
</Modules>
<AddOnInstructionDefinitions/>
<Tags/>
<Programs>
<Program Name="MainProgram" TestEdits="false" MainRoutineName="tag_test" Disabled="false">
<Tags>
<Tag Name="RTD_Active" TagType="Base" DataType="BOOL" Dimensions="64" Radix="Decimal" Constant="false" ExternalAccess="Read/Write">
<Data>FC FF FF FF FF FF 01 00</Data>
<Data Format="Decorated">
<Array DataType="BOOL" Dimensions="64" Radix="Decimal">
<Element Index="[0]" Value="0"/>
<Element Index="[1]" Value="0"/>
<Element Index="[2]" Value="1"/>
<Element Index="[3]" Value="1"/>
<Element Index="[4]" Value="1"/>
<Element Index="[5]" Value="1"/>
<Element Index="[6]" Value="1"/>
<Element Index="[7]" Value="1"/>
<Element Index="[8]" Value="1"/>
<Element Index="[9]" Value="1"/>
<Element Index="[10]" Value="1"/>
<Element Index="[11]" Value="1"/>
<Element Index="[12]" Value="1"/>
<Element Index="[13]" Value="1"/>
<Element Index="[14]" Value="1"/>
<Element Index="[15]" Value="1"/>
<Element Index="[16]" Value="1"/>
<Element Index="[17]" Value="1"/>
<Element Index="[18]" Value="1"/>
<Element Index="[19]" Value="1"/>
<Element Index="[20]" Value="1"/>
<Element Index="[21]" Value="1"/>
<Element Index="[22]" Value="1"/>
<Element Index="[23]" Value="1"/>
<Element Index="[24]" Value="1"/>
<Element Index="[25]" Value="1"/>
<Element Index="[26]" Value="1"/>
<Element Index="[27]" Value="1"/>
<Element Index="[28]" Value="1"/>
<Element Index="[29]" Value="1"/>
<Element Index="[30]" Value="1"/>
<Element Index="[31]" Value="1"/>
<Element Index="[32]" Value="1"/>
<Element Index="[33]" Value="1"/>
<Element Index="[34]" Value="1"/>
<Element Index="[35]" Value="1"/>
<Element Index="[36]" Value="1"/>
<Element Index="[37]" Value="1"/>
<Element Index="[38]" Value="1"/>
<Element Index="[39]" Value="1"/>
<Element Index="[40]" Value="1"/>
<Element Index="[41]" Value="1"/>
<Element Index="[42]" Value="1"/>
<Element Index="[43]" Value="1"/>
<Element Index="[44]" Value="1"/>
<Element Index="[45]" Value="1"/>
<Element Index="[46]" Value="1"/>
<Element Index="[47]" Value="1"/>
<Element Index="[48]" Value="1"/>
<Element Index="[49]" Value="0"/>
<Element Index="[50]" Value="0"/>
<Element Index="[51]" Value="0"/>
<Element Index="[52]" Value="0"/>
<Element Index="[53]" Value="0"/>
<Element Index="[54]" Value="0"/>
<Element Index="[55]" Value="0"/>
<Element Index="[56]" Value="0"/>
<Element Index="[57]" Value="0"/>
<Element Index="[58]" Value="0"/>
<Element Index="[59]" Value="0"/>
<Element Index="[60]" Value="0"/>
<Element Index="[61]" Value="0"/>
<Element Index="[62]" Value="0"/>
<Element Index="[63]" Value="0"/>
</Array>
</Data>
</Tag>
</Tags>
<Routines>
<Routine Name="tag_test" Type="FBD">
<FBDContent SheetSize="Letter - 8.5 x 11 in" SheetOrientation="Landscape">
<Sheet Number="1"/>
</FBDContent>
</Routine>
</Routines>
</Program>
</Programs>
<Tasks>
<Task Name="MainTask" Type="CONTINUOUS" Priority="10" Watchdog="500" DisableUpdateOutputs="false" InhibitTask="false">
<ScheduledPrograms>
<ScheduledProgram Name="MainProgram"/>
</ScheduledPrograms>
</Task>
</Tasks>
<CommPorts>
<SerialPort Channel="0" BaudRate="19200" Parity="No Parity" DataBits="8 Bits of Data" StopBits="1 Stop Bit" ComDriverId="DF1" RTSOffDelay="0" RTSSendDelay="0" ControlLine="No Handshake" RemoteModeChangeFlag="false" ModeChangeAttentionChar="27"
 SystemModeCharacter="83" UserModeCharacter="85" DCDWaitDelay="0">
<ASCII XONXOFFEnable="false" DeleteMode="0" EchoMode="0" TerminationChars="65293" AppendChars="2573" BufferSize="82"/>
<DF1 DuplicateDetection="true" ErrorDetection="BCC Error" EmbeddedResponseEnable="Autodetect" DF1Mode="Pt to Pt" ACKTimeout="50" NAKReceiveLimit="3" ENQTransmitLimit="3" TransmitRetries="3" StationAddress="0" ReplyMessageWait="5" PollingMode="Message Based (slave can initiate messages)"
 MasterMessageTransmit="Between station polls" NormalPollNodeFile="&lt;NA&gt;" NormalPollGroupSize="0" PriorityPollNodeFile="&lt;NA&gt;" ActiveStationFile="&lt;NA&gt;" SlavePollTimeout="3000" EOTSuppression="0" MaxStationAddress="31" TokenHoldFactor="1" EnableStoreFwd="false" StoreFwdFile="&lt;NA&gt;"
/>
</SerialPort>
</CommPorts>
<CST MasterID="0"/>
<WallClockTime LocalTimeAdjustment="0" TimeZone="0"/>
<Trends/>
<TimeSynchronize Priority1="128" Priority2="128" PTPEnable="false"/>
</Controller>
</RSLogix5000Content>

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# record for PLC tag <Program:MainProgram.RTD_Active> of type <BOOL>
record( mbboDirect, "testTag" ) 
{ 
  field(DTYP, "EtherIP" ) 
  field(SCAN, "Passive" ) 
  field(NOBT, "16" )
  field(PINI, "NO") 
  field(OUT,  "@$(PLCID) Program:MainProgram.RTD_Active[0] S 1" ) 
} 

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System