Communications - Eaton Ferrups FX User Manual

Communications

Table 11. Relay-MS Card
No
1
2*
3
4
5
6
7
8
9
NOTE 1
NOTE 2
NOTE 3
Table 12. Industrial Relay-MS
Relay
K1
K2
28 Eaton Ferrups FX UPS P-164000906 Eaton Ferrups FX User's Guide P-164000906—Rev 05
Function
Not used
Battery fault (Config 2)
UPS power off (Config 1)
Not Used in Eaton FX
Load on utility**
Common
Load on automatic bypass***
Low battery
UPS ON, load powered
Load on battery**
*The function of this pin varies, depending on the configuration. the battery fault
information is available only in Config 2.
**Load on utility and Load on battery are complementary signals. They cannot be
activated simultaneously.
***Not available on line-interactive UPS. No manual bypass.
Function
UPS ON, load powered
Load on battery
Description
Config 2: a battery fault occurred
Not Used in Eaton FX
The load is protected. The UPS supplies
the load using utility power (not from the
battery).
Config 2: volt-free pin.
Config 1 or 3: pin connected to GND.
The load is not protected. The UPS
supplies the load using utility power. If
utility power fails, the load will not be
supplied.
The battery has dropped below the
preset warning level (depending on UPS
setup). If the voltage level continues to
drop, the UPS will no longer be capable
of supplying power to the load.
The UPS is operational and can supply
power to the load, whether utility power
is available or not, whether the UPS is on
the bypass or not.
The load is protected. The UPS supplies
the load from the battery (not using
utility.
Description
The UPS is operational and can supply
power to the load, whether utility power
is avalible or not, whether the UPS is on
the bypass or not.
The load is protected. The UPS supplies
the load from the battery (not using utility
power).