Heisig_GmbH/Uniper_PLC
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Sunspec heartbeat timer incrementation slowed down

Browse Source
This commit is contained in:
Matthias Heisig
2025-04-28 17:14:43 +02:00
parent 70090f08d9
commit 0db1fa523a
1 changed files with 10 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
PLC/POUs/Sunspec/FB_PowerSupplySunspec.TcPOU
View File

@@ -97,6 +97,9 @@ VAR
// Timer for setting the inverter power // Timer for setting the inverter power
_tonSetPowerTimer : TON; _tonSetPowerTimer : TON;
// Timer for incrementing heartbeat signal
_tonHearbeatIncTimer : TON := (PT := T#500ms);
// Current DC values (DCA, DCA_SF, DCV, DCV_SF, DCW, DCW_SF) in word array for efficient modbus reading // Current DC values (DCA, DCA_SF, DCV, DCV_SF, DCW, DCW_SF) in word array for efficient modbus reading
_awCurrentDCValues : ARRAY[0..5] OF WORD; _awCurrentDCValues : ARRAY[0..5] OF WORD;
@@ -221,6 +224,13 @@ IF (rPower < -rMaxBattPower) THEN
rPower := -rMaxBattPower; rPower := -rMaxBattPower;
END_IF END_IF
// Increment heartbeat counter
_tonHearbeatIncTimer(IN := TRUE);
IF _tonHearbeatIncTimer.Q THEN
_tonHearbeatIncTimer(IN := FALSE);
_uiPLCToInverterCounter := _uiPLCToInverterCounter + 1;
END_IF
// State machine // State machine
CASE _iState OF CASE _iState OF
@@ -350,7 +360,6 @@ CASE _iState OF
5: // Send heartbeat signal 5: // Send heartbeat signal
_uiPLCToInverterCounter := _uiPLCToInverterCounter + 1;
_fbWriteRegister( _fbWriteRegister(
sIPAddr:= sInverterIPAddr, sIPAddr:= sInverterIPAddr,
nTCPPort:= 502, nTCPPort:= 502,