WC-4057: Added more modbus error codes to the table.

index.js

@@ -35,13 +35,18 @@ const TRANSACTION_TIMED_OUT_MESSAGE = "Timed out";
 const TRANSACTION_TIMED_OUT_ERRNO = "ETIMEDOUT";
 
 const modbusErrorMessages = [
-    "Unknown error",
-    "Illegal function (device does not support this read/write function)",
-    "Illegal data address (register not supported by device)",
-    "Illegal data value (value cannot be written to this register)",
-    "Slave device failure (device reports internal error)",
-    "Acknowledge (requested data will be available later)",
-    "Slave device busy (retry request again later)"
+    /*code 0=*/"Unknown error",
+    /*code 1=*/"Illegal function (device does not support this read/write function)",
+    /*code 2=*/"Illegal data address (register not supported by device)",
+    /*code 3=*/"Illegal data value (value cannot be written to this register)",
+    /*code 4=*/"Slave device failure (device reports internal error)",
+    /*code 5=*/"Acknowledge (requested data will be available later)",
+    /*code 6=*/"Slave device busy (retry request again later)",
+    /*code 7=*/"Negative acknowledge (slave device cannot perform programming functions)",
+    /*code 8=*/"Memory parity error (slave device detected a parity error in memory)",
+    /*code 9=*/undefined,
+    /*code10=*/"Gateway path unavailable (misconfigured gateway)",
+    /*code11=*/"Gateway target device failed to respond (retry request again later)"
 ];
 
 const PortNotOpenError = function() {