TERMINAL OPERATION MANAGEMENT SYSTEM

LnTOMS Functions:-

1) At the base depot, were food grains are stored, during the inflow of the food grains from the farmers, the TOMS software captures the identity of every farmer, uniquely through an access control system. Thus each unique individual can be identified on the system.

2) The TOMS software is used primarily to store the quality parameters obtained from laboratory tests of food grain samples which are taken for lab testing. The software generates a number of reports including printed ones which are available to the farmers.

3) TOMS also interacts with the weighbridge system along with Central Control System (CCS) SCADA, over Modbus using TCP/IP to obtain the weight of the incoming trucks for reporting purposes.

The SCADA system interacts with the TOMS, during the transfer process, of the food grains to obtain weight & quality parameters of grain present in silos.

System Architecture:   - Central control system (CCS) communicates with I/O devices such as PLC, Weighbridge, and BulkWeigher, to fetch the field data to CCS I/O server. - For TOMS system, CCS acts as OPC (OLE Process Control) server which provides different tag values to TOMS client. - Also Plant information (PI) system acts as an OPC client for CCS system for data gathering.
System Operation: - The system can be operated from CCS system in either Manual mode or Auto Mode. - Auto & manual mode can be selected after opening the pop up window for that particular drive. - Manual Mode: In this mode, operator runs every drive individually independent of other drives. Operator opens the popup window for particular drive, selects manual mode & provides START/STOP command.

- Auto Mode:

(1) In this mode, a recipe is selected from database for particular material transfer. A recipe is a sequence of equipments. A recipe can be selected according to process type (either transfer, receiving, shipping etc.) or according to source & destination of recipe.

(2) After selecting recipe it is forwarded to TOMS software for approval. Higher authorities in plant approve that recipe with special access provided to them in TOMS software. After approval of recipe a job number is allotted which is used for report generation.

(3) Then operator can run that recipe if all the drives in that recipe are healthy & if recipe is ready to run.

(4) Recipe starts from destination direction to source direction to avoid blocking of grain.

(5) The biggest advantage of running the recipe in auto mode is interlocking of drives with each other.

(6) So when one drive stops all the drives preceding that drive stop causing no blockage of grain.