Xcalibur II manual

OPERATION

6.4.2 Software Installation

6.4.2.1 MGC interface software

The Xcalibur goniometer interface is mounted in the electronics cabinet of the Xcalibur diffractometer system. The interface contains an programmable EPROM and serves to translate the signals received from the diffractometer control PC and CrysAlis CCD into machine operations.

As with any software the firmware loaded on this EPROM has version updates. The following procedure explains how to load software updates.

CAUTION

The following upload procedure will overwrite the current Xcalibur MGC interface software. Xcalibur control information including slit positions may be lost.

To install the MGC interface software you will need the following programs saved to your computer:

‘WinZip’ packaging software

.

‘Hyper Terminal’ program

Mgc_111.zip - where 111 is the current version number

1. Copy the file mgc_111.zip file onto your hard disk. Using WinZip unpack the file mgc_111.hex

2. Start the program ‘Hyper Terminal’ (usually this is part of the Windows system and can be found under Accessories/Communication tool). Open a new communication and name the connection "MGC upload". Set the COM port to 1 (check the back of the PC to see this is the COM port to which the interface is connected) and the transmission parameters as:

Baud (speed) 19200, Bits 7, Parity Even, Stop bit 1, Flow control None

3. Switch off the Xcalibur interface using the red ON/OFF button mounted on the front panel

Xcalibur goniometer interface

4. Depress and hold the red EMERGENCY button located on the front panel of the Xcalibur goniometer interface

5. Switch on the Xcalibur interface and release the red EMERGENCY button after 3 seconds

6. The Hyper Terminal window on the PC should now display a ‘#’ (hash mark)

7. Within the Hyper Terminal program select Transfer (or Send) / Transfer from the drop down menu and select ‘Text File’. Locate and select the file mgc_111.hex

8. The file should now begin uploading to the Xcalibur goniometer interface. During upload the Hyper Terminal window will display strings of ‘*’ (asterix)

9. When upload is complete the Hyper Terminal window will display a "/" (forward slash) terminating a string of ‘*’ (asterix)

10. Switch off the Xcalibur interface using the red ON/OFF button mounted on the front panel

Xcalibur goniometer interface

11. Save communication parameters in Hyper Terminal for future use and exit program

NOTE

If you encounter problems in the above procedure turn the interface off and on and open and close communication from the Hyper Terminal menu

Version 1.4 Xcalibur_Manual_v1.4

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Xcalibur

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