User's Manual

105 Radio/Serial Telemetry Module User Manual

Page 50 © March 2000

AO1 to AO8

These options allow the user to set analogue outputs to any value. To set the output, select the

corresponding menu item. At the prompt type the value required for the analogue output as a four

digit hexadecimal value. Refer to the table above for analogue current/expected value relationship.

To set AO2 on 105-3 to 19 mA :

AO2

>B800

Switch

This option allows testing of the DIL (Dual In Line) switches used for the configuration of the

module. The diagram below indicates the layout of the switches of which there are two sets of eight,

with an “Enter” button located to the right of the pair. the display indicates the current switch

settings with the digit ‘1’ corresponding to ‘On’ and the digit ‘O’ corresponding to ‘Off’. Changing

the switch settings in this mode will change the display. Test each switch and check to ensure the

display changes accordingly.

When the ‘Enter’ button is pressed, regardless of the previous switch setting, switches 1, 5, 9 and

13 will display as a ‘1’

Switches ‘1’ or ‘0’ Button Not Pressed = Pressed =

Switches

Displayed

1110001001010101

1110101011011101

   

1 5 9 13

Signal

This option provides for testing the radio path between two 105-U units for a suitable fade margin.

Although a pair of units may communicate successfully, radio communication may be affected by a

1 1 1 0 0 0 1 0

0 1 0 1 0 1 0 1