45
10.5 Dry contact port
The UPS incorporates built-in single programmable relay output with a
potential free contact for remote alarm indication (Dry out port) and
incorporates a single signal input (Dry in port). See figure in the UPS rear
panel for the locations of the ports.
The relay output can be configured by the LCD setting menu or protocol
command, by default the output contact is “Summary Alarm”. The signal
input to control UPS On/Off/Maintain bypass status need to be configured
by LCD setting menu or protocol command, the default input contact is
“Disable”.
Note:
The relay output contact must not be connected to any mains
connected circuits. Reinforced insulation to the mains is required. The relay
output contact has a maximum rating of 30VAC/1A and 60VDC/2A normal
values.
The following figures show the schematics of the dry out/in contacts.
Fig 10.1 Dry out schematic
Fig 10.2 Dry in contact schematic
Summary of Contents for C400R-010-B
Page 7: ...3 ...
