ABB XIO-08 - Ground the Controller; Standalone Mounting; Mounting When Using an Enclosure

XIO USER MANUAL | 2106424MNAA | 27
NOTICE
– Equipment damage. The XIO must always be mounted on a horizonal DIN rail, never
vertically.
NOTICE
– Equipment damage. Before powering the XIO, perform all the procedures in the order
presented in this section.
DANGER
– Serious damage to health / risk to life. Use properly insulated tools and wear a
grounding strap to eliminate static electricity when connecting or disconnecting
wires. Mishandling
may cause a
static electric discharge resulting in bodily injury and damage to the electronic
component
s.
3.4.1 Ground the controller
The XIO must be mounted on a grounded DIN rail.
NOTICE
– Equipment damage. The controller must be mounted on a DIN rail bonded to an
earthing terminal. The bonding conductor must have a cross sectional area of at least
4 mm
2
(12
AWG
).
To ground the DIN rail:
3.4.2 Standalone mounting
To mount the XIO:
IMPORTANT NOTE
: To remove the XIO, insert a slotted screwdriver into the access slot of the
DIN rail
and release the clip to loosen. See section 9.6.3 Remove the XIO from the DIN rail.
3.4.3 Mounting when using an enclosure
The XCORE enclosure has tags for wall-mounting (Figure 3-1). Mount the enclosure per field
specifications. The XIO is usually already mounted on an internal DIN rail inside the enclosure.
To u se non-ABB enclosures, follow the vendor’s mounting instructions. The DIN rail can be installed on a
wall or in an enclosure that meets the environmental ratings for that location. It is recommended that 4
inches of clearance be available above and below the device, and 1 inch to the left and right of the XIO, or
the XIO and any TFIOs connected.