Title: Hardware Installation Guide.pdf
NO: Normally open contactC: CommonNC: Normally closed contactGNDTMPGNDFLTGNDVIN: 12 to 24 VDCTR+ (B) (2-wire RS-485)TR- (A) (2-wire RS-485)GND (2-wire RS-485)TR+ (B) (2-wire RS-485)TR- (A) (2-wire RS-485)GND (2-wire RS-485)IN1IN1IN2IN2Hardware Installation Guiderevision 6 — 183LNL-4420 Intelligent Dual Reader ControllerConnectionTB5Input 3IN3IN3Input 4IN4IN4TB6Input 5IN5IN5Input 6IN6IN6TB7Input 7IN7IN7Input 8IN8IN837.2Communication WiringThe controller communicates to the host via the on-board 10-BaseT/100Base-TX Ethernet interface (port 0).The downstream communication ports (TB2 for port 1 and TB3 for port 2) are a 2-wire RS-485 interfaces which can be used to connect additional I/O panels. The interface allows multi-drop communication on a single bus of up to 4000 feet (1239 m). Use twisted pairs (minimum 24 AWG) with an overall shield for communication.