Viconics VTR7300 Installation Manual - Manual (Page 7)

7 | PIR Ready VTR7300 Series-Installation Guide
From the VTR73xxA to the first VC3xxxX Relay Pack
 Uses existing or new field wires
 A minimum of 3 wires are required 14-22 Ga Solid or Stranded. Shield not
necessary.
From the first VC3xxxX to all other slave VC3xxxX Relay Pack(s)
 Uses existing or new field wires
 A minimum of 2 wires are required 14-22 Ga Solid or Stranded. Shield not
necessary.
 Connect only wires #1 Power Common and #2 Tx/Rx Communication
Network wiring topology
VC3
XXX
LED O
PERATION
LED / Time (Status operation)
Condition of the Status LED Cause Solution
 2 short blinks
No communication between
the VTR73xxA and the
VC3xxxX relay pack. The
VC3xxxX Relay Pack will
resume
its output “no
communication active” status
Check communication
wiring and or power
cycle the controllers
 2 short blinks and a
longer blink
Normal communication
between the VTR73xxA and
the VC3xxxX relay pack.
N/A
0.2 2.5 0.6 0.4 0.0 1.0 5.0 sec
Power On
Online to
VTR73xxA