ASL INTERCOM iPAM400 - BMB01 Remote I;O Unit Capabilities

iPAM400 – Product Manual
U-0629-0171.doc – Issue: 04 complete, approved
Page 13 of 138
2.1.2.5 Surveillance Tone Generation
The Controller generates the necessary audio surveillance tones required by the Amplifier Motherboard in
order to perform the loudspeaker line monitoring; see Section “2.2 Amplifier Motherboard” (page 16).
2.1.2.6 Night Time Volume Control
The iPAM400 provides a Night Time Volume Control function. This is a facility for automatically limiting the
volume of announcements at configurable times of the day, usually during the night.
Any new route established when a Night Time Volume Control period is active will be subject to the
configured volume capping.
2.1.2.7 Listen-in Facility
The listen-in facility enables a remote Control System across the network to monitor each of the audio
outputs of an iPAM400.
While the ‘listen-in’ function is active, the audio-mix will update accordingly if the routed audio source
change to the selected output.
2.1.2.8 BMB01 Remote I/O Unit
The input ports which are used for connection of ASL microphones to the iPAM400 are also fully compatible
with the ASL BMB01 Remote I/O Unit.
The BMB01 provides twelve analogue inputs, twelve digital inputs, and twelve digital outputs.
The inputs can be configured as contact for routing of local inputs or for external fault reporting. The
analogue inputs can also interface to the ASL Ambient Noise Sensors (ANS) . The outputs can be configured
to indicate the busy state of any local output or group of outputs when being driven by any input or group of
inputs.
1
2.1.2.8.1 BMB01 Digital Inputs
Digital inputs 1 to 12 provide a contact input function via an opto-isolated interface. The contact is asserted
when the opto-isolator is turned on. These may be used to interface a simple contact closure as follows.
Contact Closure to Ground
A simple contact closure to a local or remote ground
may be connected as shown.
BMB01
DIGITAL INPUT (1 TO 12)
I
OPTO ON
WHEN CONTACT
CLOSED
+
-
12-40 V
CONTACT
CLOSURE
TO GROUND
1
BMB01 input and output capabilities are dependent on software version. Refer to ASL for details.