Liebert UPStation S VM18000 - Manual (Page 28)

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Remote Emergency Power Off (REPO) Cable
This optional 50-foot cable includes the attached matting
connector for connection to the UPS. The REPO
connector is at the rear of the unit. The factory supplied
switch provides a normally open (N.O.) contact rated for 1
Amp at 24 Volts. Pressing the REPO button opens the
UPS Output Circuit Breaker and disables battery charging.
See the figure below.
NOTES:
•
Run all customer-supplied control wiring in separate
rigid steel conduit from power wiring.
•
Wire in accordance with national and local electrical
codes.
•
See drawings in Connections for UPS REPO
connector location.
•
Communications Options
The UPS supports the following methods of
communication:
•
SiteNet 1 (automatic, unattended shutdown)
•
SiteNet 2 (Power Surveillance software)
•
SiteNet SNMP (Simple Network Management
Protocol)
•
Terminal / Modem Connection
SiteNet 1, SiteNet 2, terminal mode and modem operation
require the RS-232 Kit. This kit provides a plug-in
communications board that includes relays, serial
communications and a DB25 connector for interfacing to
the SiteNet software kits.
SiteNet 1 Shutdown Interface Kits
Each option kit includes a 10-foot communication cable
with connectors, necessary software for computer
interface to the UPS, and separate instructions for
installation and operation. A power failure will initiate a
pre-programmed timer. Then the software performs an
automatic, unattended, orderly shutdown. If the UPS
reaches a low battery condition, the software overrides the
timer and performs an orderly shut- down. The software
runs as a background task on the computer while
monitoring the UPS.
SiteNet 2 Power Surveillance
This option includes software to enable UPS monitoring
and control from a remote computer or workstation.
Contact a Liebert UPS supplier for more details including
availability for your computer or workstation
SiteNet SNMP (Simple Network Management Protocol)
The SiteNet SNMP internal agent allows for direct network
UPS management in an Ethernet environment. The
internally mounted SNMP agent provides true product
integration. It draws uninterruptible power from the UPS
and eliminates the need for a second UPS for the agent.
Remotely configure the agent via BOOTP and TFTP.
Configuration and bootstrap are stored in non-volatile
memory. The MIB is MIB II compliant. The SNMP option
ships with the MIB in DOS and TAR formats complete with
a configuration cable.
Terminal/Modem Connection
All information and functions accessed through the control
panel are also accessible by a terminal, host computer, or
modem through the RS-232 port. You may connect a
terminal or computer to the RS-232 port directly or through
a modem. The UPS dials out to a selected phone number
to report alarm conditions and connects when called from
a terminal.
The terminal shows a picture of the LCD display screen.
The UPS responds to the left arrow, right arrow, enter, and
escape keys on the keyboard just as it would from the
UPS control panel. View UPS meters and alarm history,
change configuration set- tings, and activate remote start,
stop, and transfer (if bypass is available) all from a remote
terminal.
Terminal Operation: Connect an ANSI terminal (or a
computer with an appropriate terminal emulator program,
e.g. ProComm) to the UPS directly or through a modem
connection. See Cables for connection details.
Set up the computer terminal as follows:
Baud rate: 2400 Data bits: 8
Stop bits: 1 Parity: none
Full duplex
The RS-232 interface can operate in terminal mode which
shows the LCD display on the screen, or ESP mode which
only qualified service personnel use. To use terminal
mode, press the space bar. The LCD display appears on
the screen and the left arrow, right arrow, enter, and
escape keys become operable. If the LCD display does
not appear, the RS-232 may be in ESP mode. Type EXIT
to return the RS-232 to terminal mode.
The UPS responds to requests such as viewing UPS
meters or alarm history. Some configuration selections
(other than voltage or frequency) can be changed during
UPS operation. Use the configuration screens UPS
ON(1)/OFF(0) and Transfer UPS to remotely turn the UPS
ON or OFF, or make transfers (if bypass is available).
Modem Operation: Connect the UPS to a remote
computer terminal through a modem link (one modem at
each end). See Cables for connection details. The UPS
automatically tests for a modem every three minutes,
when the communication channel is idle.
PIN 1
PIN 3
PIN 4 REPO with Lighted
Pushbutton