I N STA L LAT I O N GU I D E R SERIES
Welcome to your smartest install yet. Things you should know Latch R is a proximity reader, keypad, and wireless entry system, 1. Only use screws provided. Other screws can cause Latch R to that can be operated as a standalone device or be connected to a panel as part of a wider system. disengage from the mounting plate. 2. The relay will revert to an open state in the event of power failure. Take precautions when wiring fail-safe locking hardware. 3.
Wiring Standalone Wiring 12VDC - 24VDC Supply LATCH R Reader VIN GND A/D0 B/D1 COM_GND IO1 Request to Exit IO2 Egress sensor Door contact sensor IO3 COM Door Lock NO/NC Router RJ45 Plug Minimum Wiring Recommendations Distance Power Relay < 50ft < 200ft < 500ft < 1000ft 12V 22AWG 20AWG 18AWG 14AWG 24V 22AWG 20AWG 20AWG 20AWG 22AWG 20AWG 18AWG
Wiring Door Lock Panel Wiring 12VDC - 24VDC Supply Access Control Panel Unlock + Egress sensor LATCH R Reader Egress sensor Wiegand/RS-485 VIN GND Door contact sensor A/D0 B/D1 COM_GND IO1 IO2 Elevator Control Panel (only when using with Elevator Floor Access) IO3 COM NO/NC Router RJ45 Plug Minimum Wiring Recommendations Distance Power < 50ft < 200ft < 500ft < 1000ft 12V 22AWG 20AWG 18AWG 14AWG 24V 22AWG 20AWG 20AWG 20AWG 22AWG 22AWG 20AWG 20AWG Wiegand (Shielded)
Wiring Standard Reader Connections Wire Color Name Description Rating Reference 1 GREEN A/D0 RS-485 A, Wiegand DATA0 0.025A max drive, 5VDC COM_GND 2 WHITE B/D1 RS-485 B, Wiegand DATA1 0.025A max drive, 5VDC COM_GND 3 GRAY COM_GND Return for A/D0, B/D1 wires 4 YELLOW NO/NC Relay contact 1.5A max, 24V DC GND 5 BLUE COM Relay contact 1.5A max, 24V DC GND 6 ORANGE IO1 Input/Output 0.35A max sink, 24VDC max GND 7 PURPLE IO2 Input/Output 0.
Technical Specifications Mechanical Interface - Dimensions: 5.49” x 3.18” x 0.76” - 1 x Lock Relay: Configurable SPST NO Wireless Communication - 3 x Input or Output (input: normally low; output: open drain) - Near Field Communication (NFC): ISO 14443A Camera - NFC Card Type: Mifare Classic - 135 degree wide capture - Bluetooth: BLE 4.2 (iOS and Android compatible) - Wi-Fi: 802.
Drill Screw 3.28" 2.00" Important: Use the provided screws or #6 flathead screws to avoid mounting failure. 1.5" 3 16 " x 1 1/2" Prepare holes using mounting plate as a template and drill. Screw mounting plate in using the correct screws.
Connect Connect based on wiring diagrams. Configure Download Latch Manager App from the iOS App Store to configure Latch R and test that everything works. Requires iPhone 5S or newer. Learn more at support.latch.
Mount Secure B A A. Insert bottom peg of mounting plate into Latch R. B. Place Latch R flush with mounting plate and slide down until all mounting pegs fit snugly. Adjust security screw to secure.
Regulatory Compliance • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected • Consult the dealer or an experienced radio/TV technician for help Federal Communications Commission (FCC) Compliance Statement This device complies with part 15 of the FCC Rules.
Safety instructions Electronic Specifications • This product shall be installed and serviced by certified Latch R offers support for the following credentials: professionals only. • The product is intended to be used as either a standalone access control system or as a reader with a panel. Multiple Latch R devices cannot be used to control a single access point. • Locations and wiring methods shall be in accordance with the National Electrical Code, ANSI/NFPA 70.
Troubleshooting Request-to-exit If lock does not operate: Request to exit can be setup by configuring the IOs while in use as a standalone system or configuring the access control system while configured as a reader with a panel. Please refer to the installation wiring diagrams for further information. • Ensure the lock is powered with DC power. Do not use AC power. • Ensure the input voltage is between 12 and 24 volts DC.
Credential Type & Transmission Technology Applicable Products Credential bit format and length: Passcodes used to unlock the This installation guide applies to products with the following device consist of 7 digits ranging from 0-9. NFC cards have 37 bit format and the wiegand output is 26 bit. Fail-safe/fail-secure operation: Fail-safe/fail-secure can be setup by configuring the relay as either normally closed or normally open.
Document Number: 770-00010 v1.
