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HA40 4-Channel Controller
Revision 1 (07/08)
HA40 Technical Manual 2-2
2 Operation
The HA40’s graphic LCD displays monitored data. The 5-button
keypad and the display serve as the system’s operator interface. All
HA40 conguration variables are entered using this operator interface
through SETUP menus accessed by pressing Edit from either data
screen. This Setup mode may be exited manually by pressing Next,
or automatically when no keys are pressed for 5 minutes. Alarm
relays and front panel alarm LED indicators remain active during the
Setup mode. Alarm LED’s ash upon new alarms and become steady
after Acknowledged by pressing the Alarm Reset key. A SECURITY
menu offers a password feature to prevent tampering with HA40
parameters.
A “sign-on” screen appears briey after power is applied that indicates
what type of input / output options are congured with the unit.
2�1 Setup Menu Configuration
Variables inside the CHANNEL (see Section 2.2) and SYSTEM (see
Section 2.3) menu trees allow HA40 conguration for a wide range of
monitoring applications. Select the desired menu by scrolling with Up/
down arrows and then Edit to enter each menu. Figure 2-1 illustrates
the menus tree for conguring Channel and System specic variables.
Channel variables affect only the specic channel selected while
System variables are related to features not specic to any channel.