The window 'GRAFCET-Engine'

The GRAFCET-Engine window is the interface to the device or the simulator:

The following options are available in this section:

  • Make a selection from a list of devices that you want to use
  • Add new devices
  • Delete the device from the list
  • Establish the connection to the device
  • Drop the connection to the device

See previous section

This section contains the following information of the device when it's connected to GRAFCET Studio.

Element Description
GRAFCET Engine Does the GRAFCET Engine exist in the device?
Device Order number or device ID
Properties Properties of the GRAFCET Engine (limitations)
Version Version of the GRAFCET Engine
Errors If no errors are present, "0-0" is displayed. Left-hand digit: [Error detection] (../grafcet-engine-error-detection) right-hand digit: Additional Information
Active Counter If the GRAFCET Engine is enabled, this value is always incremented by 1.
Cycle Counter If the GRAFCET Engine is in RUN status, this value is always incremented by 1.
Monitoring Bytes How many bytes are processed in monitoring mode?
Cycle time Total cycle time
GRAFCET Which GRAFCET components are located in the device: Number of steps/Number of transitions/Number of actions/Number of words in the GRAFCET command stack
RUN PLC? Is the device (PLC) in RUN status and is the GRAFCET Engine called?

Init and Delete buttons:

Button Description
Init The GRAFCET is returned to the initial state. All steps are reset. Only the initial steps are set.
Delete The entire GRAFCET is deleted in the device. (The GRAFCET-Engine in the device will remain.)

The Write button writes all GRAFCET pages of the current project to the connected device.

The Read button loads the GRAFCET pages from the device and writes them to the current project. This function is only available if the device supports it.

Time-stamp information: The time stamp for the GRAFCET logic is displayed in the device here. If this time stamp corresponds to the offline time stamp, then the Online GRAFCET corresponds to the Offline Grafcet.