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MP500/4N-8-16 Programming

4.11 WIRED INPUT PROGRAMMING

Detectors and other devices capable of triggering an alarm are connected to the wired inputs.

The MP500/4N system can manage up to 32 general purpose inputs, the MP500/8 system can manage up to 64 and the MP500/16
system can manage up to 128.

The SAB tamper inputs of the control panel and the EP500 expansion modules cannot be programmed.
See the

Installation Manual

for more information and for connections.

It is advisable to read the description of the various parameters which must be configured before starting programming operations.

4.11.1

Wired input encoding

Each input has two addresses: a physical address and a logical address. The two addresses are displayed as follows:

physical address

→

logical address

and in detail

ddXX

→

ZZZ

where:



is the bus device type or control panel (UC, EP, KP, DK)



is the sequential number of the bus devices containing the inputs



is the input number in the line device X



ZZZ

is the three-digit logical address of the input that the control panel assigns sequentially as the bus devices are assigned.

The physical address is useful for installers during system installation and maintenance. The physical location is shown on the display
(UC=control panel, EP=expansion module, KP=keypad, DK=reader).
The logical address can be changed at any time by the installer.
The system identifies the inputs on the display by showing physical address, logical address and name. Vocal and number alarms, on
the other hand, are identified by means of logical address and customised message (if any) only.
When acquiring EP500 expansion modules, the control panel automatically assigns a sequential logical address to all eight inputs (the
first eight or four inputs of the system are those of the control panel itself), while the inputs of the keypads and the input 2 of the
readers are not considered because they are set to NOT USED by default and consequently must be enabled and numbered manually,
if needed.

4.11.2

Input types

The input type determines the way the control panel will interpret the electric circuit signals (de connection wires) connected to
the input itself.
See

Installation Manual

for more details and application circuits.

The physical features of all inputs may be changed by programming, except for the SAB input which can only be of the balanced type
and to which the tamper alarm is assigned.

Possible alarm input types are:



Not Used

: electric signal variations (including opening and tamper) of the input are ignored. Programming an input as "Not Used"

additionally means avoiding to need to close the unused inputs with a jumper.

IMPORTANT

Remember that the MP500/16 can manage up to 128 inputs (MP500/4N up to 32 and MP500/8 up to 64). All

control panel and expansion unit inputs are programmed by default, while the auxiliary inputs of keypads and input 2 of the
readers are NOT USED by default. Input 1 of the readers is configured as tamper by default.
So, if the maximum number of EP500 expansion modules are installed and you want to use some auxiliary inputs, you will
need to deactivate an equal number of inputs to avoid exceeding the maximum number of inputs.



N.C

. (normally closed): the electric circuit connected to the input must be closed in stand-by mode. Its opening will trip the

associated event. This is not EN50131 compliant.



N.O.

(normally open): the electric circuit connected to the input must be open in stand-by mode. Its closing will trip the associated

event. This is not EN50131 compliant.



Balanced

: this determines two voltage thresholds for recognising stand-by state, alarm indication and tamper indication

implemented by short-circuiting the wires. EN50131 grade 2 compliant.