--- a
+++ b/trunk/IoDrvFB.library.md
@@ -0,0 +1,26 @@
+---
+
+~~~ST
+FUNCTION_BLOCK TheFB
+VAR_INPUT
+    udtInput: IoDrvInput;
+    udtConfig: IoDrvConfig;
+END_VAR
+VAR_OUTPUT
+    udtOutput: IoDrvOutput;
+END_VAR
+
+~~~
+~~~ST
+// Implementation of the driver
+udtInput.dwIn := udtOutput.dwOut * udtConfig.dwConfig;
+
+
+~~~
+VAR_GLOBAL
+    cClassID: DWORD;
+    cDriverName: string;
+    cDeviceName: string;
+    cVendorName: string;
+    cModuleType: WORD;
+END_VAR