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28
Installation Guidelines
3.6
Remote Control
The output voltage of the T809-10 can be remotely controlled by applying a DC control
voltage across the auxiliary inputs +RC and –RC. The auxiliary inputs are located on the
auxiliary input connector (9-way D-range) on the rear panel of the T809-10.
To connect the remote control feature, use the information supplied in the table below:
Function
Aux Input
Remote Control
Ground
Auxiliary inputs
(D-range)
A 'high' voltage level (4 to 10V
while a 'low' level (0 to 0.8V
3.6.1
Using a Control Voltage Above 10V
If a control voltage greater than 10V
resistor is required to keep the input current below 10mA (1mA/1V). The additional
series resistor is shown as R* in the circuit diagrams below (Figure 3.5).
November 2004
D-range
Name
Pin
+RC
6
–RC
3
GND
8
3
8
) across +RC and –RC will switch the output OFF,
DC
) switches the output ON.
DC
is used, an additional series current-limiting
DC
Details
PSU OFF = 4 to 10V
DC
and –RC
PSU ON = 0 to 0.8V
DC
and –RC
Note: Additional current limiting
resistor required if >10V is used.
Warning: Pin 8 is connected to the
negative output. It will only be chas-
sis ground when the power supply is
used in a T800 subrack
6
DC
Copyright © 2004 Tait Electronics Ltd
MBZ-00001-01
across +RC
across +RC
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