Security and fire alarm detectors, access control 24.02.2020 18:36 24.02.2020 18:36

An example of connection of card readers SSA-R1000/R1100 (Samsung Format, 125 kHz) and SSA-R1001/R1101 (MIFARE, 13.56 MHz), produced by SAMSUNG, to the C-WG-0503S module is described in this chapter.

The C-WG-0503S module provides communication of Wiegand with the sensor and control of LEDs and the buzzer. Due to a high consumption, the sensor power supply must be provided by an external 12 VDC source (the 12 VDC output of the C-WG-0503S module cannot be used in this case).

Detailed technical information on the sensor can be found at the end of this chapter.


Fig. 1. An example of connecting the SSA-R1000/R1001 sensor to the C-WG-0503S module

Notes:

  1. The cable for connecting the sensor can be as long as dozens of meters (the Wiegand interface allows the length of up to 150 m); the communication and control require a shielded cable with the minimum cross section of 0.35 mm2, the power supply only requires an unshielded cable with the minimum cross section of 0.75 mm2.

  2. The consumption of the SSA-R1000 sensor from the supply voltage is specified at 120 mA, which does not meet the specifications of the C-WG-0503S module (a maximum consumption from the 12 V output is 60 mA), so the sensor must be powered from an external source.

  3. The free inputs AI/DI4 and AI/DI5 can be utilized e.g. for connecting the temperature sensors (measuring the temperature in the room, etc.).

 

The properties and parameters of the SSA-R1000/R1100 and SSA-R1001/R1101 sensors

The SSA-R1000/1001/R1100/R1101 sensor is designed for contact-free reading (RFID) identifiers according to the type of Samsung 125 kHz Format (SSA-R1000 SSA-R1100) or MIFARE (SSA-1001, SSA-R1101) technology used. The sensor is equipped with red and green LED indicators and a buzzer.

The sensor is designated both for indoor and outdoor use, it is equipped with a compact housing and the interior electronics is embedded for maximum durability.

The sensor is mounted on the wall with two screws (approx. M3, or 3.5 mm wood screws), vertically above one another with the spacing of 8.38 cm; in the middle between the mounting holes there is a fixed connecting cable.

The cable is terminated with free coloured wires moulded (see tab. 2.) in a connector.

Tab. 1. The basic parameters of the SSA-R1000/R1100 and SSA-R1001/R1101 sensors

Technical parameters

SSA-R1000

SSA-R1100

SSA-R1001

SSA-R1101

Nominal supply voltage

12 VDC

Maximum current consumption

120 mA 1)

80 mA 1)

Interface

26 bits Wiegand

34 bits Wiegand

Reading distance – ISO card

max. 10 cm 2)

max. 10 cm 2)

The RFID frequency range

125 kHz

13.56 Mhz

The supported types of identifiers

PSK 125 kHz, Samsung Format

ISO 14443A Mifare 3)

The type of sensor

just for reading (read only)

Acoustic signal

buzzer

Optical indication

LED (green, red)

Terminating signals

Cable, the length about 40 cm, the diameter of the insulation is 6mm

The cable termination

Connector

Dimensions of the housing (width x height x depth) [mm]

47 x 122 x 26

75.3 x 109 x 31

47 x 122 x 26

75.3 x 109 x 31

The range of operating temperatures

-30 to +50 °C

Housing – colour, material

Silver with a black stripe, polycarbonate

Protection

IP 65

  1. The current consumption exceeds the 12 V output of the C-WG-0503S module, so the sensor must be powered from an external source (e.g. from the 12 V output level of the PS2-60/27 power supply, or from the DR-15-12 supply).

  2. The distance is only valid for cards and identifiers supplied by the sensor manufacturer.

  3. Only for reading of a unique serial card number.

 

Fig. 2. The dimensions of the SSA-R100x and SSA-R110x sensors

 

 

Tab. 2. A description of the terminals and signals of the SSA-R1000/R1100 and SSA-R1001/R1101 sensors connectors

Connector PIN

The colour of the wire

Function

Description

1

yellow

GLED

green LED (it is activated by connecting the signal to GND)

2

blue

BEEP

buzzer (it is activated by connecting the signal to GND)

3

orange

NC

not used

4

White

data1

data wire, Data 1 Wiegand interface

5

green

data0

data wire, Data 0 Wiegand interface

6

brown

RS232(RX)

RS-232 (not used)

7

red

+12V

positive pole of the supply voltage

8

black

GND

the ground of the supply voltage

9

violet

RS232(TX)

RS232 (not used)

10

grey

SEL

34/26 bit Wiegand selection (26 bit – by connecting to GND)