Sigma C4 - page 13

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C4 Manual Rev 7.5.2
1.5.3 Firmware Uploads
When new firmware is available for your C4, you can easily upload it into the
controller using the controller’s serial port. The procedure requires only a diskette
bootable PC and a serial cable and takes only about ten minutes. Firmware
updates, when available, may be obtained on diskette for a fee from Sigma
Systems or for free by download from www.SigmaSystems.Com or
ftp.SigmaSystems.Com. See Section 3.2.2
1.5.4 Forced Start from PROM Firmware
The controller can be started from the original firmware version that is stored in
the PROM. Uploaded versions are stored in flash memory. If a firmware upload
session should go astray somehow, this feature allows the controller to still
operate. See Section 9.7.8.
1.5.5 Front Panel Information Display at Startup
The controller model is displayed at startup - See Section 3.1.1
The firmware version number is displayed at startup - See Section 3.1.1
The operating range may be displayed at startup - See Section 3.1.2
The controller serial number may be displayed - See Section 3.1.3
1.5.6 Temperature Out of Range Shutdown
The controller now stores the operational limits for itself, the controlled device
(Sigma chamber or platform), and the unit under test (UUT). The operating
temperature is checked against these limits, if it is too far outside these limits,.
the system is shutdown with an appropriate error message displayed. See
Section 3.5.