Protec EVC40 - MCU, RCU and ALP Units

93-346-80 Issue 4 © Copyright Protec Fire Detection PLC 2011
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3.0 MCU, RCU and ALP Units
Starting with Master Control Unit (MCU), repeating for all Repeat Control Units (RCU) and Audio Loop
Processors (ALPs).
ALPs will require a locally connected Phone Display Panel (PDP) for commissioning purposes. This is
effectively a door and ribbon cable to turn the ALP into a RCU. To be changed at a later date when
software is available for remote logging from the master MCU
Power Up the panel. Connect both the mains and the battery supplies.
Refer to Figure 3-1 a photograph of the EVC40 Processor Board:
Figure 3-1 Processor Board
The MCU/ALP Address Switch has two functions:
The bottom 5 switches (1 to 5) are used to address the panel in binary, switch 1 is bit 1. The Master
Control Unit is always set to one (switch 1 on, 2,3,4,5 off). Any other panels are numbered two upwards
sequentially as wired from the master.
Switches 6 & 7 define the type of panel, MCU – 6 & 7 on or ALP – 6 on & 7 off. (Factory Set)
Switch 8 is reserved at this time and should be off.
8
7
6
MCU /RCU (03)
X
On
On
ALP (01)
X
Off
On
On
{
Address
Sw itches
{
Panel
Type
Not
Used
lsb msb
8 7 6 5 4 3 2 1