LenelS2 LNL-X4420 - LNL-X4420 Wiring

© 2021 Carrier. All Rights Reserved. LenelS2 is a part of Carrier. 2 QR50L-1039E — 4.004
Intelligent Controller LNL-X4420 Quick Reference
LNL-X4420 Wiring
* Terms A & B are from the RS-485 standard.
Terminal Blocks 1-7 Connections Terminal Blocks 8-11 Connections
TB1-1 Power Fault
Input
GND TB8-1 Reader 1 GND: Ground
TB1-2 FLT TB8-2 DAT/D0: Data/Data 0/
TR- (A) *
TB1-3 Cabinet
Tamper Input
GND TB8-3 CLK/D1: Clock/Data 1/
TR+ (B) *
TB1-4 TMP TB8-4 BZR: Reader Buzzer
TB1-5 Power Input GND TB8-5 LED: Reader LED
TB1-6 VIN: 12 to 24 VDC TB8-6 VO: Reader Power
TB2-1 SIO Port 1
(2-wire
RS-485)
GND TB9-1 Reader 2 GND: Ground
TB2-2 TR- (A) * TB9-2 DAT/D0: Data/Data 0/
TR- (A) *
TB2-3 TR+ (B) * TB9-3 CLK/D1: Clock/Data 1/
TR+ (B) *
TB3-1 SIO Port 2 (2-
wire RS-485)
GND TB9-4 BZR: Reader Buzzer
TB3-2 TR- (A) * TB9-5 LED: Reader LED
TB3-3 TR+ (B) * TB9-6 VO: Reader Power
TB4-1 Input 2 IN2 TB10-1 Out 1 NO: Normally Open Contact
TB4-2 IN2 TB10-2 C: Common
TB4-3 Input 1 IN1 TB10-3 NC: Normally Closed Contact
TB4-4 IN1 TB10-4 Out 2 NO: Normally Open Contact
TB5-1 Input 4 IN4 TB10-5 C: Common
TB5-2 IN4 TB10-6 NC: Normally Closed Contact
TB5-3 Input 3 IN3 TB11-1 Out 3 NO: Normally Open Contact
TB5-4 IN3 TB11-2 C: Common
TB6-1 Input 6 IN6 TB11-3 NC: Normally Closed Contact
TB6-2 IN6 TB11-4 Out 4 NO: Normally Open Contact
TB6-3 Input 5 IN5 TB11-5 C: Common
TB6-4 IN5 TB11-6 NC: Normally Closed Contact
TB7-1 Input 8 IN8
TB7-2 IN8
TB7-3 Input 7 IN7
TB7-4 IN7