Waltz PN532 NFC reader characteristics Nicolas Lefebvre nicolas.lefebvre@waltzapp.com 1/23/2019 1 CONTENTS 2 Table of changes ................................................................................................................................................... 2 3 Purpose of the document ..................................................................................................................................... 2 4 Waltz NFC reader User manual ............................................................................................................................. 3 4.1 Waltz NFC reader overview .......................................................................................................................... 3 4.2 Description of the system ............................................................................................................................. 4 5 Bill of materials ..................................................................................................................................................... 5 Figure 1: Waltz NFC reader front ................................................................................................................................ 3 Figure 2: Waltz NFC reader - back .................................................................................................................................. 3 Figure 3: Waltz NFC reader Elements diagram ........................................................................................................... 4 Waltz Inc. Page 1 2 TABLE OF CHANGES Item All Page All Description Initial version 3 PURPOSE OF THE DOCUMENT This document details the characteristics of the NFC reader embedded in the Waltz G1_V5 wall unit. Waltz Inc. Page 2 4 WALTZ NFC READER USER MANUAL 4.1 WALTZ NFC READER OVERVIEW The 2 following pictures present the exterior appearance of the Waltz NFC reader. Figure 1: Waltz NFC reader front Figure 2: Waltz NFC reader - back Waltz Inc. Page 3 4.2 DESCRIPTION OF THE SYSTEM The Waltz NFC reader is mostly based on the PN532 board manufactured by Elechouse, epoxy-potted and connected to an industry standard rectangular housing connector with 4 white wires, the cable protection being ensured by a transparent sheath. Ferrites are added to each output line of the board, and decoupling capacitor placed between its power supply voltage rail and ground. The goal of this is to reduce the EMI emissions to an acceptable level. The following figure presents the different elements that make up the Waltz NFC reader. Figure 3: Waltz NFC reader Elements diagram The list of the components included in the product is as follows:
Elechouse PN532 board (click on the link hereinafter): Elechouse PN532 User manual
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- Murata BLM21BD152SN1 ferrites, generic 10nF and 10uF capacitors soldered onto the Elechouse PN532 board, close to the wire connection.
- White cable
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- Molex rectangular housing connector (0039012040) and its associated crimps Transparent sheath Waltz Inc. Page 4 5 BILL OF MATERIALS The bill of material of the product is the following:
Description NFC board Ferrite 10nF decoupling capacitor 10uF decoupling capacitor Cabling Transparent sheath Housing connector Manufacturer Elechouse Murata Murata Samsung Electro-Mechanics Alpha wire Alpha wire Molex Manufacturer part number PN532 BLM21BD152SN1 GRM155R71H103KA88D CL21A106KQFNNNE A1851W-100 P1058 CL005 0039012040 Quantity 1 4 1 1 4 1 4 RF Guidelines License ID:
FCC ID: 2ADZBID-2 Contains:
FCC ID: 2AO3T-NFCPN532 FCC statements:
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Caution: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. Waltz Inc. Page 5 Waltz Inc. Page 6