ID-E270-011GB
13
4 DESIGN DESCRIPTIONS
4.1 CONTROL PANEL OVERALL DESCRIPTIONS
The control panel is designed in the form of a metal cuboid cabinet to be installed on walls using a
special frame. The cabinet door (front panel of the unit) is secured with a cylinder lock.
All signalling and handling elements are placed on the control panel door. Electronic circuit modules
and a mains power supply unit are placed inside the cabinet.
Round holes are provided (at the control panel back side top) for installation wires introduction.
Below, there is a round rubber pass to introduce mains power supply and grounding wires. A special
shelf (of appropriate dimensions) can be placed inside the control panel that enables connection of
two 12 V 17 – 22 Ah capacity batteries.
The control panel can be optionally equipped with the PAR-4800 battery container of the dimensions
that enable inserting two 12 V batteries of capacity up to 38 Ah.
It is possible to connect a computer keyboard (PS/2 standard) and a bar code reader to the control
panel.
4.2 MODULE ARRANGEMENT
The POLON 4900 control panel module arrangement is shown in Fig. 4.1.
Fig. 4.1 POLON 4900 control panel furnishings arrangement
They are placed on the control panel door and walls and are fastened with screws.
The PSC-49 central controller module, together with an LCD display, is mounted on the control panel
door. The DR-48 thermal printer is located in the lower corner of the cabinet, and an acoustic
signalling device board with the main fire indicator - above it.