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I/O Screen
8.3 I/O Screen (Output Tab)
The Output Tab of the I/O screen allows the user to manually activate output devices and return the
output devices to their normal automatic operation.
After the Output Tab is activated, an SLC device address must be selected.
There are two methods of selecting the device address. One method is to use the Up/Down arrows
and the other method is direct entry.
After selecting the device, the NGA will indicate that the status of the device is unknown. To obtain
the status information, press the "SHIFT" button twice. Once the status is updated, the system
displays "AUTO" or "ON". The button that appears to the right of the "SHIFT" button will toggle
the output state of this device. Figure 8.3.1 illustrates the screen that appears when the user selects
the Output tab from the I/O screen.
8.4 I/O Screen (Output Tab) Options
Table 8.4.1 describes the controls that appear on the I/O, Output tab screen.
I/O Screen
(Output Tab)
Options
LOOP
RANGE
ADDRESS
SHIFT
AUTO/ON
UP/DOWN
X
30
Figure 8.3.1 I/O Screen (Output Tab)
Tap LOOP to enable a direct entry of a loop number (loop 1, loop 2 or
discrete devices). To select discrete devices, enter "0".
This field is not shown if the Loop 0 (discrete devices) is selected.
Tap Address to enable a direct entry of a device address.
Press SHIFT to move the focus of the yellow highlight between Loop and
Address.
If this button reads "ON", it will manually activate this output device. If this
button reads "AUTO", it will return the device to its normal automatic
operation.
Use the up and down arrow buttons to scroll either the Loop or the
Address based on which control appears highlighted in yellow. Use the
SHIFT button to shift the focus.
Press the "X" button in the upper right corner to close this screen.
Table 8.4.1 I/O Screen (Output Tab) Controls
Network Graphic Annunciator (NGA) Operations Guide P/N 9020-0675:B1 03/21/13
I/O Screen (Output Tab)
Description
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