Alpha Technologies Cordex Controller Ver.3.1x - Manual (Page 66)

0700015-J0 Rev B 64
Refer to Figure 68 while completing the following steps to program an alarm-triggering equation (in this
case, when the signal V1 exceeds 53.50):
1. Select Customize
2. Inside the first window shown after Customize is selected, is the equation building area, numeric
keypad and other function keys. Select [Op] for operand (pull-down menu of alarms, signals, etc.).
3. Use pull-down menus to locate Analog Inputs and V1.
4. V1 appears in the equation building area.
5. Select the Sym key and an arithmetic symbols/ logic operator (e.g., >).
6. Select 123 to return to numeric keypad. Enter value (e.g. 53.50) to complete the equation.
7. When the equation is complete, select the check mark icon (in the lower right corner) to accept
changes and return to previous window.
Name of item being edited
Equation displays here Use slider to
navigate/view as required
Whenever CUSTOMIZE is se-
lected, a keypad enables editing of
the equation. (similar to the virtual
numeric keypad)
Discard changes and return to
previous screen
Sliders and scroll bars are
used for navigation
Accept changes and return to
previous screen
Figure 68 — Custom Alarm screen
6.6.5.6 ADIO Alarms
The Supervisor can configure the alarms associated with each ADIO device. Events occurring on one
of the inputs can be programmed to the output alarm relays using the programming feature for the relay
contacts similar to other alarms.
View the device status under the ADIO Alarms Detail menu, see 6.6.6.
6.6.5.7 Custom Alarms (1-20)
The Supervisor can program 20 separate alarm-triggering equations into the CXC software. The equa-
tions can reference any combination (up to 16) of the analog inputs, digital inputs, virtual inputs, and
alarms (such as Fan Fail) utilizing logical and arithmetic arguments that simulate the functionality of a
programmable logic controller (PLC). See also 7.2 Equation Builder Keypads.
Signal and a Numeric Value Selected
For example, one signal (V1) and a numeric value (53.50) can be selected to trigger the Custom1 alarm
when [V1] > 53.50. The first operand chosen (top pull-down menu) is Analog Inputs. The next pull-down
menu shows that the Supervisor must select from a list of inputs of that type. An operator is selected from
the virtual keypad. The keypad is then changed to numeric in order to enter a numeric value to complete
the equation. At any time, you can select the X icon to cancel the entry and close the window.