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4.4 Standard connection

Connection

Input 1 Door contact, active when door closed

Input 2

Request to exit button or handle contact, 0 V) when button or

handle active; Tamper; Disabling function

Output 1 (OC) Door lock control open collector

Table 7: Standard connection

The door monitoring contact (IN1) is operational after its first change of status since

switching on the module. Full door lock timing acc. to tab. 8 is used when the door status

contact is not installed and no Door Forced and Door Ajar alarms are triggered.

4.5 D1 LED Indication

LED indicators

Red

Continuously lit Online operating mode via RS 485

Flashing with 4 s period Offline operating mode

Fast switching with green Address setting mode

Yellow

Continuously lit Programming mode

Flashing Indicating door lock release

Green ID media reading

Table 8: LED indicators

4.6 Installation instructions

The reader module uses passive RF/ID technology, which is sensitive to RF noise sources.

Noise sources are generally of two types: radiating or conducting.

Conducted noise enters the reader via wires from the power supply or the host.

Sometimes, switching power supplies generate enough noise to cause reader malfunction,

it is recommended to use linear system power supplies.

Radiated noise is transmitted through the air. It can be caused by computer monitors or

other electrical equipment generating electromagnetic fields.

Consequently, a short distance between the reader modules themselves can cause

reading malfunctions – for correct operation it is necessary to keep a minimum distance of

50 cm. Various metallic constructions may have a negative influence on this distance; if

there are any doubts, it is recommended to perform a practical test before final mounting.

Nearby metal surfaces may cause a decrease in reading distance and speed. This is

caused by the combined effects of parasitic capacitance and conductance.

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Alphatech Slim IPDP - 01 Guía de usuario Pagina 7