West Control Solutions N8100 - Manual (Page 8)

1.5 OVER-RANGE/UNDER-RANGE DISPLAYS
The upper display will indicate if
the process variable is higher
than the input scale maximum
limit (over-range), or lower than
the input scale minimum limit
(under-range) as shown on the
right.
1.6 SENSOR BREAK INDICATION
If a break is detected in the sensor circuit, the upper display shows:
The reaction of the outputs and alarms to a detected sensor break is dependent
upon the input type and is defined in Appendix A.
1.7 MANUAL CONTROL MODE
If selection of Manual Control Mode is enabled, the Manual Control Mode may
be entered (via a bumpless transfer) by depressing the Auto/Manual key. The SET
indicator will then flash continuously whilst the Controller is in Manual Control
Mode. The output power will then be displayed and may be adjusted with the
Raise/Lower keys.A return can be made to Automatic Control Mode (via a
bumpless transfer) by simply depressing the Auto/Manual key again, which causes
the usual process variable display to appear.
1-4 O054-1
59125
Figure 1-2 Alarm Status Display