SIEMENS Electronic Signatures
The software operator dialog (OPD) simplifies the interaction between operating personnel and process control system. As a powerful operator tool, it facilitates control of the process and provides complete proof of all manual operations, which is essential for a validated batch system.
The OPD software, which can be executed in a SIMATIC PCS 7 / SIMATIC BATCH system environment, is based on the Microsoft SQL server software. It uses the SIMATIC logon for user verification and electronic signatures. It therefore complies with the validation requirements according to 21 CFR Part 11 and other statutory directives. As a result of the flexible design, the OPD functionality can easily be adapted to any SIMATIC PCS 7 project.
Operator interaction in an SFC phase
An OPD can be used in an SFC phase. The simplest interaction is a request to the operator to confirm an OPD message before progressing to the next step of the phase. A second application example is a request to the operator to select one of two storage tanks. Electronic signatures may be necessary in both cases.
Operator interaction between two SFC phases
At the batch level, OPD can also be used for operator interaction between two separate SFC phases. For example, the operator can be requested to select between different technical equipment which require separate subsystem assignments.
Operator interaction for event-based actions
OPD can also be used for event-based actions. An example is the request to an operator to acknowledge an OPD message before opening a valve or closing a pump.
The entire operator interaction is stored in the form of WinCC messages and can be easily incorporated into SIMATIC BATCH standard reports. In addition, they can be transferred to any MES system that supports long-term archiving of SIMATIC PCS 7 process data.
- Redundant database server
- Multi-client capability
- Secure identifier (SID)
- Support of SIMATIC PCS 7 Web functionality
- Language support based on Unicode