Nautel XR6, Preinstallation Manual

Page: 51 / 90

XR6/XR3 Pre-installation Manual Control and monitoring
Issue 3.0 2009-07-15 Page 6-9
• TB2-6 (-):
PDM INHB
terminal. Continuous active signal inhibits the PDM by causing a shut-
back. This also works when the remote/local status is set to local.
• TB1-1 and TB1-2:
EXT INTLK
terminals. A short circuit between the pins for normal operat-
ing status, an open between these pins causes a shutback. This also works when the remote/
local status is set to local.
• TB1-4 (-):
RF OFF
terminal. Same as pressing the
RF Off
button on the front panel. Provide
an active pulse to activate.
• TB1-6 (-):
RF ON
terminal. Same as pressing the
RF On
button on the front panel. Tells the
system to provide RF power if possible. Provide an active pulse to activate.
• TB1-8 (-):
RESET
terminal. Causes a system reset. Provide an active pulse to activate.
• J3-23 (-): IBOC Input Select A input. Sets IBOC/Analog for Exciter A. Continuous active sig-
nal selects IBOC input, otherwise analog input is selected.
• J3-25 (-): IBOC Input Select B input. Sets IBOC/Analog for Exciter B. Continuous active sig-
nal selects IBOC input, otherwise analog input is selected.
• J2-10 (-): Preset Scheduler (Auto/Man) input. Enables or disables the Automatic Preset (for-
merly power level) changes. Provide an active pulse to toggle between Auto or Manual
modes.
The following inputs will only take effect when the Preset Scheduler Mode is set to Manual.
• J2-12 (-): Preset 1 input. Selects RF power preset 1 of 6. Provide an active pulse to activate.
• J2-14 (-): Preset 2 input. Selects RF power preset 2 of 6. Provide an active pulse to activate.
• J2-16 (-): Preset 3 input. Selects RF power preset 3 of 6. Provide an active pulse to activate.
• J2-18 (-): Preset 4 input. Selects RF power preset 4 of 6. Provide an active pulse to activate.
• J2-20 (-): Preset 5 input. Selects RF power preset 5 of 6. Provide an active pulse to activate.
• J2-22 (-): Preset 6 input. Selects RF power preset 5 of 6. Provide an active pulse to activate.
Note: A minimum one second interval between commands is required for the
following two exciter selection commands.