diff --git a/src/BMS/CRAH/CRAH_UMAS_TCP/config.h b/src/BMS/CRAH/CRAH_UMAS_TCP/config.h
index 614956b..6ef768a 100644
--- a/src/BMS/CRAH/CRAH_UMAS_TCP/config.h
+++ b/src/BMS/CRAH/CRAH_UMAS_TCP/config.h
@@ -23,7 +23,7 @@
   #include <ModbusIP_ESP8266.h>
   const char *ssid = "ArduinoWifiB";          /**< @brief The SSID of the WiFi network. */
   const char *password = "123abc456";          /**< @brief The password for the WiFi network. */
-  IPAddress local_IP(172, 17, 32, 11);       /**< @brief The static IP address for the device. */
+  IPAddress local_IP(172, 17, 32, 49);       /**< @brief The static IP address for the device. */
   IPAddress gateway(172, 17, 32, 1);          /**< @brief The gateway IP address. */
   IPAddress subnet(255, 255, 255, 0);         /**< @brief The subnet mask. */
   
@@ -56,6 +56,9 @@
  * This array defines all the Modbus points available on the emulated device.
  * The `description` field is crucial as it's used to look up points within the application logic.
  */
+
+ // "One-Based" Addressing for IR, HR registers
+
 modbusMap mb_map[] =
 {   
   {COIL,      0,    0,   "ON/OFF Command By BMS"},       // Receive signal from PLC