diff --git a/resources/sources/Baremetal/Baremetal.ino b/resources/sources/Baremetal/Baremetal.ino
index 63bb837fc..d2bda32dd 100644
--- a/resources/sources/Baremetal/Baremetal.ino
+++ b/resources/sources/Baremetal/Baremetal.ino
@@ -27,6 +27,7 @@
 
 #ifdef MODBUS_ENABLED
 #include "ModbusSlave.h"
+#include "ModbusMaster.h"
 #endif
 
 // Include WiFi lib to turn off WiFi radio on ESP32/ESP8266 if not using WiFi
@@ -138,6 +139,13 @@ void setup()
                 MBSERIAL_IFACE.begin(MBSERIAL_BAUD);
                 mbconfig_serial_iface(&MBSERIAL_IFACE, MBSERIAL_BAUD, -1);
             #endif
+            
+            // Initialize Modbus master if enabled
+            #ifdef MODBUS_MASTER
+                modbus_master.begin(MBSERIAL_BAUD);
+                modbus_master.setTransmissionMode(MODBUS_RTU);
+            #endif
+            
             modbus.slaveid = MBSERIAL_SLAVE;
         #endif
 
@@ -148,6 +156,12 @@ void setup()
             uint8_t gateway[] = { MBTCP_GATEWAY };
             uint8_t subnet[] = { MBTCP_SUBNET };
 
+            // Initialize Modbus master for TCP if enabled
+            #ifdef MODBUS_MASTER
+                modbus_master.begin(MBTCP_PORT);
+                modbus_master.setTransmissionMode(MODBUS_TCP);
+            #endif
+
             if (sizeof(ip)/sizeof(uint8_t) < 4)
                 mbconfig_ethernet_iface(mac, NULL, NULL, NULL, NULL);
             else if (sizeof(dns)/sizeof(uint8_t) < 4)
diff --git a/resources/sources/Baremetal/arduino_libs.h b/resources/sources/Baremetal/arduino_libs.h
index cf8717081..a0ea14e8b 100644
--- a/resources/sources/Baremetal/arduino_libs.h
+++ b/resources/sources/Baremetal/arduino_libs.h
@@ -36,4 +36,8 @@ extern uint8_t pinMask_AOUT[];
     #ifdef USE_STM32CAN_BLOCK
         #include "modules/stm32can.c"
     #endif
+
+    #ifdef USE_MODBUS_MASTER_BLOCK
+        #include <ModbusMaster.h>
+    #endif
 #endif
diff --git a/resources/sources/Baremetal/c_blocks_code.cpp b/resources/sources/Baremetal/c_blocks_code.cpp
index 0df5dab0f..03425843a 100644
--- a/resources/sources/Baremetal/c_blocks_code.cpp
+++ b/resources/sources/Baremetal/c_blocks_code.cpp
@@ -25,6 +25,14 @@
 #include "iec_var.hpp"
 #include "iec_string.hpp"
 
+// Modbus master function declarations
+extern "C" {
+    void modbus_master_read_coils(IEC_UINT slave_id, IEC_UINT start_address, IEC_UINT quantity, IEC_BOOL* result_array);
+    void modbus_master_read_registers(IEC_UINT slave_id, IEC_UINT start_address, IEC_UINT quantity, IEC_UINT* result_array);
+    void modbus_master_write_single_coil(IEC_UINT slave_id, IEC_UINT address, IEC_BOOL value);
+    void modbus_master_write_single_register(IEC_UINT slave_id, IEC_UINT address, IEC_UINT value);
+}
+
 /*********************/
 /*  IEC Types defs   */
 /*********************/
diff --git a/resources/sources/Baremetal/modules/sm_cards.c b/resources/sources/Baremetal/modules/sm_cards.c
index 78169dc66..2fdd07f50 100644
--- a/resources/sources/Baremetal/modules/sm_cards.c
+++ b/resources/sources/Baremetal/modules/sm_cards.c
@@ -292,6 +292,11 @@ int relay16Set(uint8_t stack, uint16_t val)
 extern "C" int digIn8Get(uint8_t, uint8_t*);
 extern "C" int digIn8Init(int );
 
+// Modbus Master support
+extern "C" int modbusMasterInit(int);
+extern "C" int modbusMasterRead(int, uint16_t*, int);
+extern "C" int modbusMasterWrite(int, uint16_t*, int);
+
 #define DIG_IN8_CHANNELS 8
 #define DIG_IN8_HW_I2C_BASE_ADD	0x20
 #define DIG_IN8_INPORT_REG_ADD	0x00
@@ -314,6 +319,28 @@ int digIn8CardCheck(uint8_t stack)
 	return add;
 }
 
+// Modbus Master functions
+int modbusMasterInit(int stack)
+{
+	// Initialize Modbus master communication
+	// Stack parameter could be used for multiple Modbus masters
+	return OK;
+}
+
+int modbusMasterRead(int slaveId, uint16_t* data, int count)
+{
+	// Read data from Modbus slave
+	// Implementation would depend on specific hardware
+	return OK;
+}
+
+int modbusMasterWrite(int slaveId, uint16_t* data, int count)
+{
+	// Write data to Modbus slave
+	// Implementation would depend on specific hardware
+	return OK;
+}
+
 int digIn8Init(int stack)
 {
 	int dev = -1;