PLC WorkShop for Modicon of Quantum VME Configuration

One element (the "master") has manage over other parts ("slaves") with a protocol of master/slave. As the network runs, every element can misplace and increase master status, according to negotiations with other network members.

To add the Quantum VME Bus extension:

· Press box of "TSX QTM VME Sys Ctrl" on the dialog box of Configuration Extensions. The button of VME Sys Ctrl turns into selectable.

· Choose the button of VME Sys Ctrl. The VME Sys Ctrl parameters show in the dialog box of TSX QTM VME CE Setup.

1. Write the suitable value in the Slave Interrupt Level field. Get on a VME Bus can transfer and reply to messages on 7 interrupt levels. This area decides which interrupt level the board utilizes when it's working as a slave.

2. Write a value between 1 and 255 in the field of Status ID. While the VME controller gets an interrupt though working as a slave, this is the value it transfers.

3. Choose a suitable value for Master Arbitration Type. The setting decides how the controller will run. Applicable settings are Not System Controller, Round Robin Mode (RRS) or Primary Mode (PRI).

4. Choose a suitable value for Master Release Mode. The area decides when a board working as a master abandons its master status. Applicable settings are Release on Bus Capture and Hold (BCAP), Request (ROR), Release On Clear (ROC) or Release When Done (RWD).

5. Choose the suitable value for Master VMEBus Request Level. The setting establishes what main concern the board has when trying to get master status. It can variety from the lowest (BR0) to the highest (BR3).

6. For every level of interrupt from Interrupt 1 to Interrupt 7, pick whether it ought to be Disabled or Enabled. These settings will have a consequence when the VME operates as a master. If an interrupt level is enabled, the controller will respond to any messages sent on that interrupt. If a level of interrupt is disabled, the controller will disregard them.