Communication Ports; Connection To The Rs232 Communication Port; Connection To The Communications Port By Relays - Eaton EX RT 7 Installationsaleitung

2. Installation

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).

Connection to the RS232 communication port

5
Connection to the communication port by relays 2
n.c. n.o.
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,
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Current: 2 A max,
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z Power: 62,5 VA, 30 W.
Example: for 48 V DC, Imax = 625 mA
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23
5 4 3 2 1
9 8 7 6
n.o. n.o. n.o.
common
1 - Connect the RS 232
communications cable to the serial
port on the computer.
2 - Connect the other end of the
communications cable
232
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.
Pin 1, 2: not used,
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z Pin 3: Remote Power Off signal (5 to 27 V DC, 10 mA max),
Pin 4: Operation on mains (not on battery),
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Pin 5: User common,
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z Pin 6: Operation on automatic by-pass,
Pin 7: Low battery,
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Pin 8: Load protected,
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z Pin 9: Operation on battery.
n.o.: contact normally open.
n.c.: contact normally closed.
23
23 to the RS
5 communications port on the