2 Overview
MY Series (10kVA-40kVA) UPS
User Manual
14
Table2-5
Dry contact functions illustration
NO.
Silk-screen Dry contact
port
Dry contact port illustrator
Remarks
Dry
contact 1
OUT.1
Main power
Main power normal: maintain open
normally and close normally;
Main power abnormal: flip to close
normally and open normally.
NC: close
normally;
NO: open
normally;
COM: common
port.
OUT.2
Bypass
Bypass normal: maintain open
normally and close normally;
Bypass abnormal: flip to close
normally and open normally.
OUT.3
Battery
Battery normal: maintain open
normally and close normally;
Battery abnormal: flip to close
normally and open normally.
OUT.4
Output
Output normal: maintain open
normally and close normally;
Output abnormal: flip to close
normally and open normally.
OUT.5
Overload
Load normal: maintain open
normally and close normally;
Overload: flip to close normally and
open normally.
Dry
contact 2
EPO
EPO
Close normally, disconnect trigger
start.
IN. 1
Battery
inhibit charge
Open normally, short connect trigger
start.