Horner APG QX651 OCS - Manual (Page 59)

MAN0798-04-EN CH. 10
August 20, 2009 Page 59 of 95 ECN # 979
in the alarm object. If not enabled, the Clear buttons are grayed and do not respond to touch. Once view
operations are complete, simply touch the Esc button to remove the pop-up alarm viewer.
Note that OCS registers %SR181 and %SR182 are available for ladder use, which indicate presence of
unacknowledged or acknowledged alarm (respectively). The screen designer may implement these
registers to switch screens or active the beeper to attract the operator’s attention.
10.8
Removable Media (Compact Flash)
The removable media object is generally used inform the operator on the current state of the removable
media device and allow access to its file structure. The removable media object is displayed as a button
that changes colors to indicate the current state of the removable media device. The following indicates
the device states and the default colors associated with these states.
• Highest (Red)
- Device Error
• -
(Yellow) - Device Full (threshold adjustable)
• Lowest (Green) - Device OK
Figure 10-7– Removable Media Object
To view and perform file operations, the operator must access the removable viewer. This is
accomplished by either touching an (enabled) removable media object or through the system menu.
When accessed, the removable media viewer is displayed as pop-up removable media dialog similar to
that shown in Figure 10.8.
Note that the removable media object can be configured to open the removable media viewer at a certain
directory complete with restrictions on transversing back up the file path. This may be used to restrict
operator access to non-critical files.