Wiring: General - Unitronics Vision V280 User Manual

2. If you mount the controller on a metal panel, earth the power supply only in
V230:
a. Bore a hole to suit the NC6-32 screw supplied with the kit.
b. Scrape panel paint away from the contact area to ensure a conductive connection.
c. Drive the screw into the hole.
d. Place the following hardware screw's shank, in the order shown in the
accompanying figure: washer, ring cable shoe, second washer, spring, and nut.
▪ Pay Attention:
The wire used to earth the power supply must not exceed 10 cm in length
if your conditions do not permit this, do not earth the power supply.
▪
Make sure that the metal panel is properly earthed.
3. Slide the controller into the cut-out, ensuring
that the rubber seal is in place.
4. Push the 4 mounting brackets into their slots
on the sides of the controller as shown in the
figure to the right.
5. Tighten the bracket screws against the
panel. Hold the bracket securely against the
unit while tightening the screw.
6. When properly mounted, the controller is squarely situated in the panel cut-out as shown below.

Wiring: General

▪
This equipment is designed to operate only in SELV/PELV/Class 2/Limited Power
environments
▪
All power supplies in the system must include double insulation. Power supply outputs
must be rated as SELV/PELV/Class 2/Limited Power.
▪ Do not connect either the 'Neutral or 'Line' signal of the 110/220VAC to device's 0V pin.
▪
Do not touch live wires.
▪
All wiring activities should be performed while power is OFF.
▪
Unused pins should not be connected. Ignoring this directive may damage the device
▪
To avoid damaging the wire, do not exceed a maximum torque of 0.5 N·m
(5 kgf·cm)
Caution
▪
Do not use tin, solder, or any substance on stripped wire that might cause the wire
strand to break
Use crimp terminals for wiring; use 26-14 AWG wire (0.13 mm
8
–2.08 mm
2 2
).
V230/280/290
Unitronics