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BY
PASS
NORMAL
2. Installation
Connection to the RS232 communication port
1 - Connect the RS 232
23
communications cable to the serial
port on the computer.
2 - Connect the other end of the
communications cable
23
to the RS
232
5
communications port on the
UPS.
The UPS can now communicate with
various EATON power management
application software. Please note
that the configuration software is
included with
Personal Solution Pac
for Windows.
Connection to the communication port by relays 2
Pin 1, 2: not used,
z
Pin 3: Remote Power Off signal (5 to 27 V DC, 10 mA max),
z
Pin 4: Operation on mains (not on battery),
z
Pin 5: User common,
z
Pin 6: Operation on automatic by-pass,
z
Pin 7: Low battery,
z
Pin 8: Load protected,
z
Pin 9: Operation on battery.
z
n.o.: contact normally open.
n.c.: contact normally closed.
When the status is active, the contact between the common (Pin 5) and the relevant information pin is
closed.
Output relays specifications
Voltage: 48 V DC max,
z
Current: 2 A max,
z
Power: 62,5 VA, 30 W.
z
Example: for 48 V DC, Imax = 625 mA
2.4 Communication ports
EX RT
provides 3 communication methods that can be used simultaneously:
The COM port provides RS232 communications using EATON SHUT protocol. Compatible with most
z
power management software applications available into the enclosed
Solution Pac
CD-Rom.
The output contact port is used for basic signaling or for protection of IT systems like IBM iSeries
z
(formerly AS400) and more.
The slot is compatible with any EATON communication card (check www.eaton.com web site for the
z
complete list of compatible cards).
5
23
5 4 3 2
9 8 7 6
1
n.o.
n.c.
n.o.
n.o.
n.o.
common
