Heisig_GmbH/Uniper_PLC
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Some bugfixes

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- Config for max string power is now correctly calculated
- Adjusted timing for string and inverter timeout
This commit is contained in:
Matthias Heisig
2025-09-29 11:38:43 +02:00
parent 9cf02c1847
commit 698451cc1f
6 changed files with 45 additions and 38 deletions
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8
PLC/GVLs/GVL_CONFIG.TcGVL
View File

@@ -245,11 +245,11 @@ VAR_GLOBAL PERSISTENT
// Maximum allowed charging power (Watt) per String
// 24.000 W -> 2.000 W per Unit
diMaxStringChargingPower : DINT := -48_000;
diMaxStringChargingPower : DINT := -36_000;
// Maximum allowed discharging power (Watt) per String
// 24.000 W -> 2.000 W per Unit
diMaxStringDischargePower : DINT := 48_000;
diMaxStringDischargePower : DINT := 36_000;
// Inverter ip address for string 1
sInverterIpString1 : STRING := '192.168.42.10';
@@ -257,7 +257,7 @@ VAR_GLOBAL PERSISTENT
// Inverter ip address for string 2
sInverterIpString2 : STRING := '192.168.42.20';
timInverterStartupTimeout : TIME := T#2m;
timInverterStartupTimeout : TIME := T#3M;
// Absolute shutdown discharge power (Watt)
// 12.000 W -> 1.000 W per unit
@@ -280,7 +280,7 @@ VAR_GLOBAL PERSISTENT
timUnitBalancingStartupTime : TIME := T#3M;
// All modules in string not ready timeout
timStringReadyTimeout : TIME := T#3M;
timStringReadyTimeout : TIME := T#6M;
// Timeout for isolation error
timIsoErrorTimeout : TIME := T#20S;

30
PLC/PLC.tmc
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File diff suppressed because one or more lines are too long

14
PLC/POUs/MAIN.TcPOU
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@@ -19,6 +19,10 @@ VAR
{attribute 'OPC.UA.DA' := '0'}
_afbStrings : ARRAY[0..1] OF FB_String[('String 1'), ('String 2')];
// Calculate max and min power depending on number of active strings
_rMinPower : REAL;
_rMaxPower : REAL;
// Battery shutdown due to error
_xErrorShutdown : BOOL := FALSE;
@@ -659,6 +663,12 @@ FOR _ui := 0 TO (GVL_CONFIG.uiNumberOfStrings-1) DO
END_IF
END_FOR
// ===============================
// Calculate max and min power depending on number of active strings
// ===============================
_rMinPower := _uiNumberOfActiveStrings * DINT_TO_REAL(GVL_CONFIG.diMaxStringChargingPower);
_rMaxPower := _uiNumberOfActiveStrings * DINT_TO_REAL(GVL_CONFIG.diMaxStringDischargePower);
// ===============================
// Calculate sum power for string balancing
// ===============================
@@ -1048,8 +1058,8 @@ _fbTowerLight(
END_IF
5: // Check if power command is within limits
IF _rAutoPowerRequest <= DINT_TO_REAL(GVL_CONFIG.diMaxStringDischargePower)
AND _rAutoPowerRequest >= DINT_TO_REAL(GVL_CONFIG.diMaxStringChargingPower) THEN
IF _rAutoPowerRequest <= _rMaxPower
AND _rAutoPowerRequest >= _rMinPower THEN
_xEnableString := TRUE;
_xStartBalancing := FALSE;
_iState := 10;

5
StringSafetyPLC/TargetSystemConfig.xml
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@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="utf-8"?>
<TargetSystemConfig Crc="2395715113" Version="1.5">
<TargetSystemConfig Crc="2694010443" Version="1.5">
<TargetSystemType>HSafetyPLC</TargetSystemType>
<TargetSystemSubType>EL2912</TargetSystemSubType>
<IsExternalDevice>false</IsExternalDevice>
@@ -19,7 +19,4 @@
<TakeOverSafetyAliasDeviceNamesInProcessImage>true</TakeOverSafetyAliasDeviceNamesInProcessImage>
<TakeOverStandardAliasDeviceNamesInProcessImage>true</TakeOverStandardAliasDeviceNamesInProcessImage>
<BackupRestore Needed="0" Activated="false" RestoreUserAdministration="false" />
<Customizing>
<Group Id="87605930-f4c2-4c12-816d-f0103cb2103d" Value="2" />
</Customizing>
</TargetSystemConfig>

2
Uniper.tsproj
View File

@@ -263,7 +263,7 @@
</System>
<Plc>
<Project GUID="{9AE64910-5EB2-4866-93FD-EFE059C38C36}" Name="PLC" PrjFilePath="PLC\PLC.plcproj" TmcFilePath="PLC\PLC.tmc" ReloadTmc="true" AmsPort="851" FileArchiveSettings="#x000e" CopyTmcToTarget="true" CopyTpyToTarget="false" SymbolicMapping="true">
<Instance Id="#x08502000" TcSmClass="TComPlcObjDef" KeepUnrestoredLinks="2" TmcHash="{50AF3F57-0138-6597-C54A-9056797B90F0}" TmcPath="PLC\PLC.tmc">
<Instance Id="#x08502000" TcSmClass="TComPlcObjDef" KeepUnrestoredLinks="2" TmcHash="{E2BBA81A-0070-8077-2E9B-D9E795CC6B2F}" TmcPath="PLC\PLC.tmc">
<Name>PLC Instance</Name>
<CLSID ClassFactory="TcPlc30">{08500001-0000-0000-F000-000000000064}</CLSID>
<Vars VarGrpType="2" AreaNo="1">