Arrakis Systems X-mixer-14-22 Specifications download pdf (Page 10)

THE X-MIXER DIGITAL CONSOLE

10

MISCELLANEOUS

LOGIC CONNECTIONS

Warning Lamp

All logic outputs for the console are high

current open collector logic sinks to ground.

This type of logic output can directly con-

nect to many peripheral devices without an

interface. The open collector logic can sink

up to 50 milliamps and a maximum of 12

VDC.

If the warning light control logic requires

higher voltages or currents than the console

open collector logic is rated, an interface cir-

cuit is required. Examples would be a pow-

ered mechanical relay, solid state relay, or

optoisolator. The circuit on this page illus-

trates how to use the console logic output to

drive an external relay.

NOTE: do NOT use the console muting

logic to directly switch the AC line voltage

to the lamp.

+12VDC

Logic

Output

(maximum

12VDC, 50mA)

Ground

Warning Lamp Interface Connections

Note: Do not use the console muting logic to directly

switch the AC line voltage to the lamp

+5

VDC

Relay

+

-

Control Room

Warning Lamp

Pin Signal Description

1 Out #1, 500mA ground sink

2 Out #2, 500mA ground sink

3 Out #3, 500mA ground sink

4 Out #4, 500mA ground sink

5 Audio & Logic ground

6 Shield Ground

7 Out #5, 500mA ground sink

8 Out #6, 500mA ground sink

9 CR Mute, 500mA ground sink

Miscellaneous Logic Output

open collector darlington to ground

(9-pin connector signals)

+5

VDC

Power

Supply

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 28 29

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