15
DRY CONTACT & OPTO COUPLER INTERFACE BOARD OPTIONS
JP1
JP2
JP3
J1
J2
J3
DB-9
Typical Falcon Dry Contact Relay Board
PIN
DESCRIPTION
1
Low Battery ( When UPS reaches low battery, contact activates)
(J1, 1-2 short = N.O) (J1, 2-3 short = N.C)
2
JP2 shorted = Low Battery common & all other shorted JP commons
JP2 open = common for low battery only
3
Utility Loss N.O. ( At loss of utility voltage, contact activates)
4
Utility Loss N.C. ( At loss of utility voltage, contact activates)
5
JP1 shorted = Utility Loss common & all other shorted JP commons
JP1 open = Utility Loss common only
6
Remote Shutdown common
7
Remote Shutdown
(J2, 1-2 short = outside power) (J2, 2-3 short = inside power)
1-2 shorted. Applying an external 12V signal across the DB-9, pins six
and seven, while the UPS is on battery, will turn the UPS off.
2-3 shorted. Applying a short directly across the DB-9, pins six and
seven, while the UPS is on battery, will turn the UPS off.
8
Alarm (Upon a UPS fault or failure the contact activates)
(J3, 1-2 short = N.O.) (J3, 2-3 short = N.C.)
9
JP3 shorted = Alarm common & all other shorted JP commons
JP3 open = Alarm common only
PIN & JUMPER ASSIGNMENT FOR THE FALCON
UA88374 RELAY OPTION BOARD
(no on-bypass signal)
PIN & JUMPER ASSIGNMENT FOR THE FALCON
UA88376 RELAY OPTION BOARD
(with on-bypass signal)
DB-9F PIN & JUMPER ASSIGNMENTS
PIN
DESCRIPTION
1
Low Battery ( When UPS reaches low battery, contact activates)
(J1, 1-2 short = N.O) (J1, 2-3 short = N.C)
2
JP2 shorted = Low Battery common & all other shorted JP commons
JP2 open = common for low battery only
3
Utility Loss N.O. ( At loss of utility voltage, contact activates)
4
Utility Loss N.C. ( At loss of utility voltage, contact activates)
5
JP1 shorted = Utility Loss common & all other shorted JP commons
JP1 open = Utility Loss common only
6
Remote Shutdown common
7
Remote Shutdown
(J2, 1-2 short = outside power) (J2, 2-3 short = inside power)
1-2 shorted. Applying an external 12V signal across the DB-9, pins six
and seven, while the UPS is on battery, will turn the UPS off.
2-3 shorted. Applying a short directly across the DB-9, pins six and
seven, while the UPS is on battery, will turn the UPS off.
8
On Bypass or Alarm (Upon the UPS going to bypass or a UPS failure
the contact activates)
(J3, 1-2 short = N.O.) (J3, 2-3 short = N.C.)
9
JP3 shorted = On bypass, Alarm common & all other shorted JP
commons
JP3 open = On bypass, Alarm common only
