RFID Reader for PORT
PCR-TWN4
Contents
1 Introduction
Scope
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Compatibility
General overview
References
2 General board implementation
Block schematic
Functionality
USB and Power supply
TWN4 module
radio
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LF antenna
Input/Output
Wiegand output
K-LC1A radar interface
JRC radar interface
RGB LEDs
SAM sockets
3 Mechanics
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4 Reliability
EMC
Climatic conditions
Certifications
5 Document History
6 Appendix
© PORT Technology by Schindler Ltd - Oct 20, 2017
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1
1
Introduction
Currently PORT Technology by Schindler supports a wide range of readers (C0…C10). In
order to reduce the variety of card readers, we would like to introduce the TWN4 reader.
The PCR-TWN4 is a LF Card Reader used in the PORT Technology devices (see table
below). The HW is the same for both working frequencies and it is configured according the
operation.
The target devices for PCR-TWN4 are PORT1 and PORT4. Both devices have a metal
housing that has an influence on the RFID readers.
PORT1
PORT4
© PORT Technology by Schindler Ltd - Oct 20, 2017
2
Scope
The PCR-TWN4 board implements the following main parts and functions:
USB interface to host
Radar interface (similar PCRI)
I/O interface (similar PCRI):
- 2 inputs
- 2 outputs
Wiegand Output (similar NFCUSB)
4 x RGB LED’s
Compatibility
The PCR-TWN4 is hardware compatible with PCRI resp. NFCUSB.
PORT
LEP,MLEP,WLEP...
Elevator
Controller
USBHost
TWN4
PCR‐TWN4
+
LFantenna
General overview
References
REF[1] data sheet TWN4 reader module (www.elatec-rfid.com)
REF[2] data sheet K-LC1a radar transceiver (www.rfbeam.ch)
REF[3] data sheet JRC radar transceiver
© PORT Technology by Schindler Ltd - Oct 20, 2017
3
2
General board implementation
Block schematic
PCR‐TWN4
USB
4RGBLEDs
SAM
socket
(optional)
HFantenna
TWN4module
LFantenna
Wiegand
interface
output
IOs
K‐LC1a
radar
JRC
radar
interface
The PCR-TWN4 is composed of a main module (TWN4) that communicates through USB
with a Host (main board inside the PORT Terminal).
The TWN4 module is able to manage a variety of interfaces (RGB LEDs, IOs, proximity detection,
status LEDs, …) and in the same time is also able to manage the reading of cards/tags through
the HF and/or LF antenna.
All the activities on the PCR-TWN4 are managed from the host processor inside the PORT
Terminal.
Functionality
The main function of the PCR-TWN4 board is a RFID reader to be integrated into Schindler’s
PORT1 and PORT4 devices. The communication between the PCR-TWN4 and the host is
made through the USB.
USB and Power supply
The main board power supply is
communication is 2.0 Full-Speed (12Mbps). USB from the host is connected to the TWN4
board.
Connector: SMD 4 poles JST male conn., right angle, 2 mm, Id. Nr. 432841
Silkscreen: USB
pin
signal
name
1 VCC1
2 USB_DM
3 USB_DP
4 M0
© PORT Technology by Schindler Ltd - Oct 20, 2017
U = 5 V
max.
voltage
DC
± 5% Imax = 500 mA
Tol.
max.
current
description
5 VDC ±5% 500 mA power
5 VDC ±5% 50 mA USB data
5 VDC ±5% 50 mA
0 VDC
-
-
ground
from the Host. The USB
4
TWN4 module
As a default the Mifare NFC Standard module should be applied.
The main function of the TWN4 module is simply to manage the RF part of the PCR-TWN4. At the
end is the interface between the RF part and the digital part.
See also REF[1]
© PORT Technology by Schindler Ltd - Oct 20, 2017
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