Yokogawa YFGW410 - Manual (Page 144)

D4-7
IM 01W02D01-01EN
IMPORTANT
If both paths for a device have a communications fault status, the communications paths are not
shown. Depending on the Monitor refresh timing, an intermediate status in which the icon does
not indicate a fault even though the communications path is absent. It is correctly displayed at the
time of the next refresh.
IMPORTANT
The device group paths are not shown if all devices have not joined the field wireless network.
The device group communications paths and icons shown the worst case values for field wire-
less devices within the group.
The device status is determined as follows. This is common to all the Monitor windows.
Device Status Conditions Note
Normal All status are normal.
Warning
Device communications are operating, but any of the follow-
ing problems have occurred:
• The packet error rate (PER) is worse than the threshold
value.
• The received signal strength indication (RSSI) is worse
than the threshold value.
• The battery level of a field wireless device has fallen
below the threshold value.
Each threshold value is set
by the Configurator.
Fault
A fault has occurred on a device, or there is a disconnection
from the network.
Conditions are depended
on the device type. (*1)
Joining A wireless device is in the process of joining to the network. Excluding YFGW410.
(*1) For details, see Sub-section D4.2.5 Backbone Device List and Sub-section D4.2.6 Field Device List.
The device tag appears under the icon idicating a device.
Pressing [Hide Paths] button, regardless of the device or communications path status, the com-
munications paths disappear. Pressing the button again to redisplay the paths.
Pressing [Hide Tags] button, the device tags disappear. Pressing the button again to redisplay
the device tags.
The lower left corner of the Graphic Viewer window shows the date and time of the most recent
refresh.