Document No.
9100-127-2044-99 Rev C
Release Date: August 2020
Dialight Corporation 1501 Route 34 South Farmingdale NJ 07727
Tel: 732.919.3119 Fax: 732.751.5778 Web: www.dialight.com
Page 9 of 21
Power Supply Terminal Connection
Located at the bottom right hand side of the enclosure is the terminal block required for
connecting the Positive, Negative and Earth Ground to the power supply.
WARNING: Floating Neutrals are not permissible within the wiring of the system and the
installer must verify the connections. This will “Void” all warranties.
WARNING: Ground connection is required to provide safety and proper operation of the
system.
WARNING: There can be no more than 305Vac measured from Live to Earth ground on
TB1
NOTE:
The load and voltage loss of the cable must be quantified before selecting the
cable size requirements.
DC TERMINAL BLOCK
RS485 Communication Connection
The connection of the RS485 cable is vitally important to the operation of the system.
This connection provides all the events and alarms to the Master controller that is being
used with the installation.
Factory connected wiring color code:
The RS485 consists of 3 conductors
Boards are Labeled Description
Color Code
Label “A”
Communications “A”
Gray or White
Common
Common for RS485
Yellow
Label “B”
Communications “B”
Blue
