ETC Installation Guide
Heritage Contact Station
Unison
®
Heritage Contact Station Installation Guide
Page 2 of 4
ETC
Wiring Requirements
The WAGO LEVER-NUTS
®
, provided in the termination kit, accepts 24-12 AWG (0.2 - 4 mm
2
) wires.
Connect Wiring
1:
Pull all required wiring (data + and data -) to the installation location. As needed, pull an additional
ESD ground wire (required when wiring is not installed in grounded metal conduit.
Purpose
Recommended
Wire Type
Notes
LinkConnect
Belden 8471
(or approved equal)
LinkConnect is a bidirectional protocol that uses one pair of wires
(data+ and data- Class 2 installation).
Auxiliary Power
(24 Vdc)
2 each 16 AWG
(1.5 mm
2
) wires
ESD Ground
1 each 14 AWG
(2.5 mm
2
)
Required when wiring is not installed in grounded metal conduit
Contact Inputs
2 each 16 AWG
(1.5 mm
2
) wires
Two wires are required per switch (Contact Input and Common),
supporting up to 1,000 feet (305 m) of 16 AWG wire between the
input and the common.
Lamp Outputs
2 each 16 AWG
(1.5 mm
2
) wires
Two wires are required per output (Lamp Output and V out),
supporting up to 1,000 feet (305 m) of 16 AWG wire between the
V out and lamp output.
Note:
NEC Class 2 product to be wired in accordance to NEC Article 725 and local jurisdiction
requirements.
N
eu
ron ID
Seri
al #
LinkConnect
pigtail
ESD Ground
pigtail
Auxiliary Power
pigtail
