Schneider Electric 840 USE 106 0 manual System Executive Upgrade Procedure, Stopping the process

Using a Quantum IEC Hot Standby System

IEC HSBY

System

Executive

Upgrade

Procedure

The following table shows the steps to upgrade the controller’s executive in an IEC HSBY system. Note: You must first have both controllers running in Concept 2.5.

Step	Action
1	Connect to the Primary controller with Concept and use the reference data editor
	to set bit 12 of the Hot Standby command register to 1.
2	Disconnect from the Primary controller.
3	Use the Executive Loader to download the new executive to the Standby
	controller.
4	Connect to the Standby controller with Concept and download the project.
	NOTE: Projects developed with versions of Concept earlier than 2.5 must be
	imported into Concept 2.5 using the Converter.
5	Start the Standby controller.
6	Verify that the Standby controller is in Run Mode and the CHS module indicates
	that the Standby Controller is now in Standby mode.
7	Disconnect from the controller.
8	Initiate a Hot Standby switchover using the Key Switch.
9	Download the Executive to the new Standby Controller using the Executive
	loader.
10	Use the transfer button on the CHS module to transfer the program to the
	Standby controller. Verify that the Standby controller is in Run Mode and the
	CHS mode indicates that the Standby Controller is now in Standby Mode.
11	The Hot Standby Controller Executives have now been uprgaded without
	stopping the process.

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