Relay Timer R4X is programmable timer software for
setting timing features of relay. It works with 4-
channel relay controller boards of National Control
Devices (NCD) .
It supports Com Port and Network connection between PC
and relay board. The connection status is detected and
shown continuously. It will remind after disconnection
and recover after reconnection automatically.
Relay can be turned on/off manually and automatically
according to powerful schedule setting. Each relay can
be programmed separately with multiple schedules.
The current status of relay is updated and displayed
simultaneously. The program can be set to run
automatically after logging in Windows. It can control
the relay with very precise timer, while consuming the
processor's resource at very low level.

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