RCM-28
The RCM-28 Remote Control Module is a two-channel digital controller module for live sound reinforcement, PA and
fixed installation applications. The module can be used in Electro-Voice Tour Grade and DYNACORD PowerH Amplifier
models. Installing the RCM-28 turns a conventional amplifier into a remote amplifier, which, at any time, provides a
complete overview of the overall system status and control of all system parameters.
RCM-28 modules allow the integration of amplifiers into a OMNEO network with up to 100 devices in a single subnet
without additional hardware. This offers the possibility to control and monitor an entire sound system from one or
more PCs using the IRIS-Net - Intelligent Remote & Integrated Supervision - software package. All operational states,
such as power-on status, temperature, modulation, limiting, activation of protections, deviation from the load
impedance, etc., are centrally registered and displayed in IRIS-Net. This provides the possibility to react, and to
selectively intervene even before critical operational states arise. Programming an automatic reaction, when specific
thresholds are being exceeded or fallen below, is also possible.
With an RCM-28 installed, the integrated impedance testing function allows very precise monitoring of the connected
loudspeaker systems. The impedance testing function utilizes the internal test tone signal generator and voltage/
current measuring to determine the impedance of the loudspeaker systems including crossovers and cables over the
entire frequency range. IRIS-Net plots an impedance curve of the measured impedance that can be compared with a
previously stored reference curve at any time. This reveals even smallest loudspeaker defects or deficiencies instantly.
Parameters, such as power on/off, level, muting, filters, etc. can be controlled in real-time and stored in the amplifier.
Besides controlling and monitoring amplifiers, the RCM-28 also offers all conventional signal processing functions, such
as parametric equalizers, frequency crossovers, delays, Peak Anticipation and TEMP limiters. Beyond that, linear-phase
FIR-filters and digital loudspeaker protection algorithms are available to optimize the amplifiers and loudspeaker sys-
tem. All DSP-settings can be freely edited and stored in user presets directly on the module. In the event of network
failure or loss of power, all settings (filters, delay, level, etc.) stay intact, independent of the control by the network.
Additionally, the RCM-28 provides a control port with freely programmable control inputs and control outputs. Control
inputs (GPIs) allow the connection of switches. IRIS-Net offers the possibility to program a variety of logic functions for
the inputs (e.g. switching to an alarm-preset with maximum energy in the speech area). Control outputs (GPOs) allow
the connection of external components, which, for example, are used to signal specific states to peripheral equipment.
Consequently, an amplifier with a RCM-28 module installed corresponds to highest safety requirements.
The RCM-28 has been designed with uncompromising audio quality in mind. Analog audio inputs (internally, pre or post
fader), an AES3 (AES/EBU) digital audio input with XLR-type connector and an OMNEO port for connection to OMNEO
or Dante audio networks are provided.
IRIS-Net
REMOTE AMPLIFIER | en 243
Bosch Security Systems B.V. User Manual 2017.05 | 3.20 | F.01U.119.956
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