Communication Connection; Dry Contact Signal - Cyber Power CPS5000ECH48A User Manual

3.8

Communication Connection

Please use supplied communication cable to connect to inverter and PC. Insert bundled CD into a computer and follow
on-screen instruction to install the monitoring software. For the detailed software operation, please check user
manual of software inside of CD.
3.9

Dry Contact Signal

There is one dry contact available on the rear panel.
When program 24 is set as "disable" (default setting), it could be used to deliver signal to external device when battery
voltage reaches warning level.
Unit Status
Power Off Unit is off and no output is powered.
Output is powered from Utility.
Output is
Power On
powered from
Battery or Solar.
When program 24 is set as "enable" and the unit is working in battery mode, it could be used to trigger the grounding
box to connect neutral and grounding of AC output together.
Unit Status
Power Off Unit is off and no output is powered.
Unit works in standby mode, line mode or fault mode
Power On
Unit works in battery mode or power saving mode
Condition
Battery voltage < Low DC warning voltage
Program 01
Battery voltage > Setting value in Program 13 or
set as Utility
battery charging reaches floating stage
Battery voltage < Setting value in Program 12
Program 01 is
set as SBU or
Battery voltage > Setting value in Program 13 or
Solar first
battery charging reaches floating stage
Condition
11
Dry contact port:
NC & C NO & C
Close Open
Close Open
Open Close
Dry contact port:
NC & C NO & C
Close Open
Close Open
Open Close
Close Open
Open Close
Close Open