```pascal
// Block Type: GlobalDB
// Block Number: 1004

DATA_BLOCK "HMI_Service"
{ S7_Optimized_Access := 'TRUE' }
VERSION : 0.1

VAR
  Service_Status : "Struct";
  TotalEmptyContainer : Real := 2100.0;
  Workshop_Test : "Struct";
  Revision_Master_HMI : Real := 45.0;
  Revision_Master_PLC : Real := 45.0;
  PID_Monitoring : "Struct";
  CO2_Counter : Real := 0.0;
END_VAR

BEGIN
  // Data Blocks have no executable code
END_DATA_BLOCK

```