
PRELIMINARY
87
FUNCTION
DESCRIPTION
DEFAULT
POSSIBLE SETTINGS
MOD.
Advanced Functions
Input frequency
tolerance
Selects the allowed input
frequency range for the
switch to bypass and
synchronization of the
output
± 5%
•
± 0.25%
•
± 0.5%
•
± 0.75%
•
± 1 ÷ ±10 in steps of 1%
SW
Bypass voltage
thresholds
Selects the voltage range
allowed for the switch to
bypass
Low:
180V
High:
264V
Low: 180 ÷ 200 in steps of 1V
High:
250 ÷ 264 in steps of 1V
SW
Bypass voltage
thresholds for ECO
Selects the allowed
voltage range for
operation in ECO mode
Low:
200V
High:
253V
Low: 180 ÷ 220 in steps of 1V
High:
240 ÷ 264 in steps of 1V
SW
Activation sensitivity
for ECO
Selects the activation
sensitivity for operation in
ECO mode
Normal
•
Low
•
Normal
•
High
CP
Power supply of load
in stand-by
Power supply of load on
bypass with UPS off
(stand-by status)
Disabled (load
NOT powered)
•
Disabled (not powered)
•
Enabled (
powered
)
SW
Bypass operation
Selects operating mode of
bypass line
Enabled /
High sensitivity
•
Enabled / High sensitivity
•
Enabled / Low sensitivity
•
Disabled with input / output
synchronization
•
Disabled without input / output
synchronization
SW
Inverter
synchronization
(External Sync)
Selects the source of
synchronization for the
inverter output
From bypass line
•
From bypass line
•
From external input
SW
Power-on delay
Selects the pause time for
automatic reactivation
after mains power has
been restored
5 sec.
•
Disabled
•
1 ÷ 255 in steps of 1 sec.
CP
Power Walk-in
Enables the mode for
gradual return to mains
power
Disabled
•
Enabled
•
Disabled
SW
Duration of
Power Walk-in
Sets the duration of the
gradual return to mains
power (only if Power
Walk-in is enabled)
10 sec
Min.: 1 sec. - Max.: 30 sec.
SW
Speed of
synchronization
between inverter and
bypass line
Selects the speed of
synchronization between
the inverter and the
bypass line
1 Hz/sec
•
0.5 Hz/sec
•
1 Hz/sec
•
1.5 Hz/sec
•
2 Hz/sec
SW
External temperature
probe (
optional
)
Enables reading of the
external temperature
probe
Not enabled
•
Not enabled
•
Enabled
SW
* When these output voltage values are set, the output power of the UPS is reduced (see “Reducing the Load (to 200V and
208V)” paragraph)
PRELIMINARY
88
C
OMMUNICATION
P
ORTS
The rear panel of the UPS (see
Rear View of the UPS
) contains the following communication ports:
Ø
Serial port available with RS232 connector and USB connector.
NOTE: the use of one connector automatically excludes the other.
Ø
Expansion slots for additional COMMUNICATION SLOT interface boards
On the front, covered by the terminal-cover, there is another expansion slot for the power relay board (optional 250Vac, 3A, 4
programmable contacts)
RS232
AND
USB
C
ONNECTORS
RS232 CONNECTOR
USB CONNECTOR
1
2
3
4
PIN #
NAME
TYPE
SIGNAL
PIN #
SIGNAL
1
IN
1
VBUS
2
TX
OUT
Serial line TX
2
D-
3
RX
IN
Serial line RX
3
D+
4
4
GND
5
GND
POWER
6
OUT
7
8
+15V
POWER
Isolated power supply
15V±5% 80mA max
9
WKATX
OUT
ATX power supply wake-up
C
OMMUNICATION
S
LOTS
The UPS is equipped with two expansion slots for accessory
communication boards that enable the equipment to communicate
using the main communication standards.
Some examples:
Ø
Second RS232 port
Ø
Serial duplicator
Ø
Ethernet agent with TCP/IP, HTTP and SNMP protocol
Ø
RS232 + RS485 port with JBUS / MODBUS protocol
For further information on the accessories available, visit the web site.