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green LED shows the current selection, and a yellow LED shows the current status of the zone
(occupied, free, alarm active). System information or error messages can be displayed on the
call station's illuminated graphic display.
Control inputs and outputs
The PROMATRIX 8000 system has analog and digital control inputs and outputs. The control
inputs allow a connection to be established to fire alarm systems, intruder alarm systems, or a
control desk. However, it is also possible to connect external switches, controllers, or rotary
encoders, or to retrieve output messages from external equipment (power supply, power
amplifiers, and so on). The control outputs allow the user to activate/deactivate external
devices, trigger signals and events, remotely control doors, gates, and roller blinds, generate
an analog level for media control, and much more.
Automatic control
The DPM 8016 contains a quartz-controlled real-time clock that can be switched to DCF77
radio clock operation via an optional antenna (radio receiver NRS 90193). The system clock
automatically recognizes leap years; in DCF77 mode, it also automatically switches to daylight-
saving time. Up to 40 external slave clocks can be controlled by the system clock. A special
output for polarity switch impulses, which is protected against short circuits, is integrated in
the DPM 8016 for this purpose. Slave clocks are automatically adjusted if a time difference
between the slave clocks and the system clock is detected, for example after a power failure
or in the event of manual input. Together with the calendar function, the system clock can be
used to execute functions such as a break gong, music, gate control, light control, and so on.
These functions can be programmed for specific days, but can also be implemented on an
hourly, daily, weekly, monthly, and annual basis. Up to 500 time-controlled events can be
entered. Functions and parameters can be connected in an internal sequence. The TaskEngine
in the DPM 8016 provides a graphic display that allows the user to combine processes
individually. One example would be a gong signal to be transmitted at a certain volume and
with a specific priority in specific call groups, and which simultaneously activates a control
output. In this case, the process consists of the “gong” and “analog output” function blocks
combined with the parameters of gong type, volume, priority number, call group number, as
well as the type and number of the control output. The processes can be triggered via special
function keys on the call stations or via control inputs, but can also be linked to clock or
calendar dates.
Interfaces
In addition to the control inputs and outputs, the PROMATRIX 8000 system also includes other
interfaces. The call stations are connected to the DPM 8016 via the PCA bus (CAN bus
standard). Up to four call stations can be connected via one PCA bus. The power amplifiers
and the DCS 400 control system are controlled and monitored by the DPM 8016 via an
additional, independent CAN bus interface. The connection to a PC is established via an
Ethernet interface. The Ethernet interface is used to connect several DPM 8016 controllers.
The redundant, optional CobraNet interface is used to transmit audio data.
Security features
The DPM 8016 monitors all internal functions itself, and the connected call stations and power
amplifiers including their connection lines are also monitored by polling and pilot tone. When
using the DPA 8000 POWER AMPLIFIER, loudspeaker lines can be monitored by end-of-line
modules installed at the ends of the lines. The PROMATRIX 8000 system also supports
emergency power operation – in the event of a power failure, the DPM 8016 can assume all
power management functions, that is, all unnecessary internal and external consumers switch
to standby mode, or are deactivated and only reactivated again when required. This greatly