Power Line Carrier ____________________________________________________________________
RF-MCGARDPRO
Hubbell Power Systems, Inc.
–
RFL™
Products
July 1, 2022
©2022 Hubbell Incorporated
5-15
Continued……
5.
Guard Rx Threshold:
This setting determines the minimum amount of energy (below
the commission point) at which the guard signal is allowed. It should be set to 35 for
most applications. The range is 0 to 100 in increments of 1
.
Note
: When 1-watt Guard and 10-watt Trip transmit levels are NOT used (not common)
it may be desirable to change these settings. Ideally the difference between the Trip and
Guard threshold settings should be equivalent to the difference between the Trip and
Guard transmit power levels in dB. For example, with a 10W/10W system a “Guard RX
Threshold” setting of 25dB, the same as the “Trip RX Threshold”, is appropriate as there
is no difference between the Trip and Guard transmit levels.
Note
: The Trip Threshold setting in versions earlier than PLC firmware v24 is called the
"RX Threshold" but works the same.
Note
: The Guard RX Threshold setting became available with PLC firmware v24.
Previous versions of firmware do not have this setting available.
CAUTION
Changing the following bit range settings will affect system logic.
These settings should not be changed unless directed by RFL.
Refer to the System Logic PDF for help with the following settings.
6.
TX Logic Bus Start Bit:
The range of TX logic bus start bits can be set from 3 to 511
in increments of 1.
7.
TX Logic Bus Length:
The TX logic bus length can be set from 0 to 24 in increments
of 1.
8.
RX Logic Bus Start Bit:
The range of RX logic bus start bits can be set from 3 to 511
in increments of 1.
9.
RX Logic Bus Length:
The RX logic bus length can be set from 0 to 24 in increments
of 1.
Function Buttons
When on the PLC web pages and the “Advanced” tab is selected it is possible to change the
configuration of the module from FSK to On/Off or visa-versa. When another function is selected
the user will be returned to the “Home Page” where the new function will display in the graphical
representation of the PLC Module.
Selecting another function will return the
user to the “Home Page.”
Figure 5-8. FSK Configuration Function Buttons