Electro-Voice System Controller NetMax N8000 - Manual (Page 22)

Preparations
22
NetMax N8000 System Controller
Owner’s manual
The following figure shows an example application for the "analogue circuit" on the control inputs
of the N8000. A voltage which can be changed via a potentiometer is connected at the control
input 1. The N8000 can be configured via IRIS-Net so that this voltage can be used to adjust a
variable parameter, for example, adjusting the volume of an audio input or output.
An example for a "digital circuit" on a control input of N8000 is shown in the following figure. The
control input 2 is connected to ground via a switch (normally open contact). In IRIS-Net the
N8000 can be so configured that, for example, an audio input or output channel can be muted by
operating a switch. The threshold voltage for high/low which are used for this purpose are freely
configurable for any input.
Control Outputs
The lower part of the control port, which is marked as RELAY OUTPUTS on the N8000, provides
different outputs. There are three freely programmable control outputs which are numbered in
order from 2 to 4. These control outputs are designed as relays contacts (normally open), i.e.
they are open when they are inactive (off) and closed towards ground when they are active (on).
A voltage source at the 5V/200mA connection is available in order to operate the externally
connected elements.
Control port with potentiometer
Control port with switch