28
4
(Optional) Connecting Cables to Optional Cards
For details about how to install the SNMP card, dry contact card, and Modbus card, see the
RMS-
SNMP01A V100R001 Installation Guide
,
RMS-MODBUS01A User Manual
, and
RMS-RELAY01A
User Manual
.
The methods for installing the SNMP card and dry contact card are the same in a
parallel system and a single UPS. See the installation method for a single UPS. The
following shows how to install cables for the Modbus card.
UPS 1
UPS 2
RS232-RS485
adapter
RS232 port
on the PC
5
(Optional) Connecting an EPO Switch
1. For UPS2000-G-15KRTL-
01/UPS2000-G-20KRTL-01, choose
Settings > System Parameters >
Other Settings and set EPO Enable
to Enable.
2. Connect an external switch to the
EPO ports of the UPS. After you
turn on the switch in the case of
emergency, the inverter stops and
the UPS does not transfer to bypass
mode. In this way, the UPS stops
supplying power immediately.
3. The customer provides the external
switch (it can be a common switch)
that connects to the EPO ports.
UPS 1UPS 2
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