Operating instructions

Radio Systems Millenium-D Livewire Console
Page 18
GPIO Line Input Logic
Name Pin Type Notes
INPUTS
ON Command IN-1 Active Low Input Turns channel ON
OFF Command IN-2 Active Low Input Turns channel OFF & sends
100 msec STOP pulse
PREVIEW Command IN-3 Active Low Input Turns preview ON
RESET Command IN-4 Active Low Input “Turns channel OFF, while not sending
a STOP pulse”
READY Command IN-5 Active Low Input Illuminates OFF lamp to indicate
source’s readiness
OUTPUTS
ON Lamp OUT-1 Open Collector to Logic Illuminates when channel is ON
Common Return
OFF Lamp OUT-2 Open Collector to Logic Illuminates when channel is OFF
Common Return and READY is active
PREVIEW Lamp OUT-3 Open Collector to Logic Illuminates when PREVIEW is ON
Common Return
START Pulse OUT-4 Open Collector to Logic A 100 msec pulse when the channel
Common Return status changes from OFF to ON
STOP Pulse OUT-5 Open Collector to Logic A 100 msec pulse when the channel
Common Return status changes from ON to OFF
GPIO Computer Playback Logic
Name Pin Type Notes
INPUTS
ON Command IN-1 Active Low Input Turns channel ON
OFF Command IN-2 Active Low Input Turns channel OFF & sends 100 msec
STOP pulse
PREVIEW Command IN-3 Active Low Input Turns preview ON
Not Used IN-4 Active Low Input “Turns channel OFF, while not sending
a STOP pulse”
READY Command IN-5 Active Low Input Illuminates OFF lamp to indicate
source’s readiness
OUTPUTS
NEXT Pulse OUT-1 Open Collector to Logic A 100 mS PULSE sent when ON button
Common Return is depressed except when initially
turned ON
OFF Lamp OUT-2 Open Collector to Logic Illuminates when channel is OFF
Common Return and READY is active
PREVIEW Lamp OUT-3 Open Collector to Logic Illuminates when PREVIEW is ON
Common Return
START Pulse OUT-4 Open Collector to Logic A 100 mS PULSE sent when channel is
Common Return rst turned ON
STOP Pulse OUT-5 Open Collector to Logic A 100 mS PULSE sent when channel is
Common Return rst turned OFF