Eddystone S79005 - E2026 Drive Changeover;Output Monitor Unit; Supply Disconnector

Print Date 08/04/14 Page 31 of 34 S79005-00MA-05
3.1.5 E2026 Drive Changeover/Output Monitor Unit
Marked Type Function
DRIVE A B LED Displays Green LED indicates which Exciter/Drive is connected to the
Transmitter input.
The other LED remains off.
AUTO,
SELECT A B
Lockable Toggle
Switch (3 Way)
To manually select Exciter/Drive A or B or (in AUTO) to enable
the selection to be made directly by the E2023 Controller
(DRIVE A B LEDs confirm selection).
INTERLOCK,
EXT MUTE
LED Display Red indicates the safety interlock connector at the rear of the
unit is open-circuit (i.e. link broken).
Green indicates normal operation.
AUTO, MUTE
and START
Lockable Toggle
Switch (3 Way)
To manually mute or start (demute) the Transmitter or (in
AUTO) to enable this to be done directly by the E2023
Controller
HIGH POWER LED Display
and
Adjustable Pot.
(20T)
Green LED indicates high power output setting selected and
adjacent pot. can be used to directly set output power level.
The LOW POWER LED will be off.
LOW POWER LED Display
and
Adjustable Pot.
(20T)
Green LED indicates low power output setting selected and
adjacent pot. can be used to directly set output power level.
The HIGH POWER LED will be off.
TEMP LED Display Red indicates unit heatsink temperature greater than
approximately 100 deg.C.
Green indicates normal operation.
REV LED Display Red indicates reverse power to Transmitter in excess of
approximately 13W (i.e.16dB return loss relative to maximum
Transmitter output of 500W).
Green indicates normal operation.
FWD LED Display Red indicates forward power fail with output power more than
approximately 6dB below than the required (set) output.
Green indicates normal operation.
FANS LED Display Red indicates one or both cooling fans are taking no current.
Green indicates normal fan operation.
CPU LED Display Red indicates unit CPU (microcontroller) failure, other LED
displays will automatically be turned off (except HIGH and
LOW POWER, INTERLOCK and DRIVE A/B).
Green indicates normal CPU operation.
3.1.6 Supply Disconnector
Marked Type Function
‘OFF’ and ‘ON’
(alternatively
‘O’ and ‘I’
respectively)
Switch (2 pole
for single supply
or 4 pole for
dual supply
variants)
To switch incoming mains supply on (‘ON’ or ‘I’) or off (‘OFF’
or ‘O’).