Alpha Technologies Cordex Controller Ver.2.0 User Manual

Page 52

Refer to the back of this manual for Factory Service and Technical Support contact information

Alpha Technologies Ltd.

034-136-C0 Rev B WC

Page 50 of 122

Urgent AC Mains Fail
This menu item enables the Supervisor to set a major alarm condition when the Rectifier AC
Mains Fail alarm has been active for a period of time; the default activation value is ten (10)
minutes:

Figure 40–Configure Urgent AC Mains Fail sample window

6.5.3.3

Digital Alarms

This menu item enables the Supervisor to configure the alarms associated with each digital
input.

Each digital input channel is designed to detect zero-system voltage (i.e. off/on) signal. Six of
the digital channels have assigned functions, while two are unassigned. The Table below
summarizes the digital channel assignments:

Channel Description

Factory Default Designation

DIG1 (D1 on PCB)

Distribution Fuse/Circuit Breaker

DIG2 (D2 on PCB)

Battery Fuse/Circuit Breaker

DIG3 (D3 on PCB)

LVD Manual In

DIG4 (D4 on PCB)

LVD Manual Out

DIG5 (D5 on PCB)

Converter Fail

DIG6 (D6 on PCB)

Converter I/P Breaker Trip

DIG7 (D7 on PCB)

Digital 7 (unassigned)

DIG8 (D8 on PCB)

Digital 8 (unassigned)

Table B–Digital input channel assignments

Digital events occurring on one of the digital inputs can be programmed to the output alarm
relays using the programming feature for the relay contact similar to analog alarms.

User (or Supervisor) may view status of each digital input under the Signals menu, see 6.6.2.3.

Tap on the Activation Value to edit

via a virtual numeric keypad

Accept changes and
return to previous screen

Select from the pull-down menus:
Relay Mapping – N/A or relay 1 through 16.
Priority – Major, Minor or Message.

Discard changes and
return to previous screen

Toggle the check box to select

Supervisor may toggle the check box to

select e-mail notification. See 10.3.3.

When selecting SNMP, the severity

level (numeric) may also be set.