OnAir 2000M2 Digital Mixing Console
15-2 HW Modules SW V 4.0 Date printed: 12.11.03
For CTRL OUT 2A/B, eight operating modes are available:
NOT ACTIVE Output is always open.
LOCATE KEY Output is closed (i.e. pulled to GND) when the OFF key is pressed and the
channel is active.
PREVIEW Output is closed when the PFL key is active and the PREVIEW function
has been activated; the channel must be switched off.
LOCATE PFL KEY Output produces a pulse when the PFL key is deactivated (LOCATE func-
tion is activated).
ATTENTION Output is closed as long as the OFF key is pressed, independent of whether
the channel is open or closed.
ON LAMP Output is closed while the ON lamp is illuminated.
LOCATE PFL/LOC KEY Combination of the LOCATE KEY and LOCATE PFL KEY functions.
STOP PULSE Output produces a pulse when the channel is switched off (OFF key and/or
fader closed).
For details please refer to chapter 9.
CTRL IN A/B can be used for muting the channel, for remote control of
the ON/OFF key, or for entering ready status. Four operating modes are
available:
NOT ACTIVE Input is inactive.
READY Acknowledgement of a ready signal.
EXT. MUTE Channel is muted (e.g. cough key).
EXT. ON/OFF External ON/OFF switchover.
Notes: “COMMON” can be wired either to “+5 V SUPPLY” or to an external
power supply (max. +15 V
DC
). An active low control signal is connected
between “CTRL IN A” or “CTRL IN B” and “GND”. The inputs are opto-
coupler inputs with internal 1 kΩ current limiting resistors.
All outputs are open-collector outputs. Small loads such as LEDs, opto-
couplers, or relays can be driven directly. Maximum current per open-
collector output must not exceed 100 mA.
The “+5 V” output can supply up to 50 mA for opto-couplers or relays.
The sum of all “+5 V” outputs for all input modules of a complete console
must not exceed 800 mA!
2 +5 V SUPPLY
max. 50 mA
+5 V
1/5 CTRL OUT 1A/B
max. 100 mA
max. 100 mA
3/7 CTRL OUT 2A/B
8 CTRL IN B
1 kΩ
GND (9)
+5 V (2)
(e.g. cough key)
1 kΩ
4 CTRL IN A
6 COMMON
9 GND
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