diff --git a/library.properties b/library.properties
index c7ed05f..b999e1d 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=AlPlc_PMC
-version=1.0.3
+version=1.0.4
 author=Arduino
 maintainer=Arduino <info@arduino.cc>
 sentence=Arduino IDE PLC runtime library for Arduino Portenta Machine Control
diff --git a/src/AlPlc_PMC.h b/src/AlPlc_PMC.h
index 3cd2b0a..8af0a7d 100644
--- a/src/AlPlc_PMC.h
+++ b/src/AlPlc_PMC.h
@@ -10,12 +10,13 @@
 #define ALPLC_H
 
 #include <Arduino_MachineControl.h>
-#include <EthernetInterface.h>	//Ethernet, sockets, etc
+#include <PortentaEthernet.h>
+
+extern "C" void sysMbMRtu_SetPostDelay(uint16_t delay);
 
 extern uint8_t m_PLCSharedVarsOutputBuf[];
 extern uint8_t m_PLCSharedVarsInputBuf[];
 
-extern EthernetInterface m_netInterface;
 
 class AlPlc
 {
diff --git a/src/cortex-m7/libAlCOPMPlugin.a b/src/cortex-m7/libAlCOPMPlugin.a
index 6d8df97..5c097ea 100644
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diff --git a/src/cortex-m7/libAlIOPlugin.a b/src/cortex-m7/libAlIOPlugin.a
index c21dc01..6b1a153 100644
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diff --git a/src/cortex-m7/libAlModbusRTUPlugin.a b/src/cortex-m7/libAlModbusRTUPlugin.a
index 8a144de..eec9a55 100644
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diff --git a/src/cortex-m7/libAlModbusTCPMasterPlugin.a b/src/cortex-m7/libAlModbusTCPMasterPlugin.a
index eb14a60..89bd37c 100644
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diff --git a/src/cortex-m7/libAlPlc.a b/src/cortex-m7/libAlPlc.a
index 63f35dd..079b44c 100644
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diff --git a/src/cortex-m7/libAlPlcRuntimeCoreLib.a b/src/cortex-m7/libAlPlcRuntimeCoreLib.a
index 1888f12..3c34ebc 100644
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diff --git a/src/cortex-m7/libAlSoftScopePlugin.a b/src/cortex-m7/libAlSoftScopePlugin.a
index de24050..05f6557 100644
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