LINK Systems System 1100 Tonnage Monitor - Manual (Page 12)

2-1
2.1 The Operator Interface
The operator interface is the means by which the operator can
control the operation of the System 1100. The following features
of the Operator Interface will be referred to extensively in this
manual and so the operator should be familiar with them. A picture
of the Operator Interface is located on the last page of this
manual and can be folded out for viewing.
1) Tonnage Displays. The tonnage displays are large 4-digit
red LED displays used to display peak tonnage.
2) Tonnage Bar-graphs. The tonnage bar graphs are ten
segment multi-colored LED displays used to show peak
tonnage relative to the HIGH and LOW setpoints and to
indicate high and low alarms.
3) Mode Selector Keyswitch. The mode selector keyswitch is
used to control the operating mode of the System 1100 and
to gain access to tonnage setpoint limits and
configuration data.
4) Indicator LEDs. The three indicator LEDs are used to
indicate Auto Setup mode, Low Limits Off, and an active
Stop Circuit.
5) LCD Display. The 2 line by 20 character LCD display is
used to display messages and access the menus of the
System 1100.
6) Keyboard consisting of 25 keys. The keyboard is used to
enter setpoints, configuration data, clear alarms, and
for all other operator input that is required.
2.1.1 Tonnage Displays and Bar Graphs
The tonnage displays are used to display the peak forward and
reverse tonnage measured by the System 1100. Selection of forward
or reverse peak tonnage for display is discussed in the next
section.
The bar graphs are used to graphically display the measured forward
tonnage relative to the high and low setpoints. The top segment on
the bar graph represents the high setpoint, and the bottom segment
Section 2. Operation