ELPRO 905U-L, Руководство по установке

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905U-L Wireless I/O Installation Manual
905U-L Wireless I/O Page 36 of 40
Version 1.9
Testing your units
We recommend you bench test the complete system before installing a new system.
Configuration problems are easier to identify and fix when the units are next to each other.
The following table describes common problems and recommended solutions:
If your installation has
…
You should check
…
ELPRO recommends
…
Poor radio channel
communications

TX LED flashes but no RX
LED

Output LEDs flash quickly

The antenna installation.

For radio interference on the
same channel.

The radio path is adequate.

Higher performance antennas if
the path is too long.

Higher mounting points to
overcome obstructions.

Using an intermediate unit as a
repeater.
Red OK LED

Power Supply voltage

Supply should be between 9 and
30VDC.

Analog loop supply current

The analog loop supply is rated
for 35 mA max.

Module configuration

Your module configuration may
be invalid. Re-load or restore
factory default configuration.
TX LED flashes but no RX
LED (bench testing)

Ensure the 905U-L-R is set to
the same country and
frequency band as the 905U-L-
T

Register the receiver with the
transmitter. (Refer to the Quick
Start Guide )
RX LED Flashes but no
outputs change

For a user-defined customized
configuration, - check the
configuration.

Check the configuration and re-
program the modules.

For default configuration, check
the receiver is registered with
the transmitter.

Repeat the procedure to register
the receiver with the transmitter.
For support for other testing issues, please contact ELPRO.