SR3 Installation Guide
& User Manual
AN1031 V1.0 Copyright ©2019 UniKey Technologies. All rights reserved.
UNIKEY PUBLIC.
3
SR3 Installation Guide
Introduction
Introduction
Introduction
Introduction
This section will walk a professional installer through the steps needed to attach a UniKey Smart
Reader 3 (or SR3) (SR3-UK-0001) to an access control panel. The SR3 supports 125 KHz prox
cards as well as UniKey mobile credentials. Please review the information below to ensure the
reader is installed quickly and properly.
Grounding
Grounding
Grounding
Grounding
•
Shield must run continuously from the reader to the panel. At the panel, the reader ground,
shield line, and earth ground must be connected together at a single point.
•
Do not ground the shield line at the reader end as this will create a potential ground loop.
Power
Power
Power
Power
•
A non-switching power supply at the panel is recommended to power the reader for the highest
noise immunity and best performance.
•
For UL 294 or UL 603 Compliance, the readers shall be connected to a class two power limited
power supply or Listed power supply with appropriate ratings.
•
The recommended wire gauge is 24 AWG.
•
The maximum line length recommended is 500 ft.
Voltage
Voltage
Voltage
Voltage
•
The minimum reader voltage required is +6 VDC to a maximum of +16.0 VDC, and 12.0 VDC is
recommended.
•
The reader will require 100 mA (typical @ 12 VDC) in standard mode, 220 mA (typical @ 12 VDC)
in advanced mode.
•
The reader is in standard mode by default, advanced mode can be configured via in-app settings
using the administrator app.
Connection
Connection
Connection
Connection
•
Wiring methods used shall be in accordance with National Electrical Code, ANSI/NFPA 70.
Locations where installations are not recommended shall also be included.
