MAN0964-14-EN_XL4_XL4P_UM
N o v e m b e r 1 0 , 2 0 2 1
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CHAPTER 1: SAFETY/ COMPLIANCE
1.1
Safety Warnings and Guidelines
When found on the product, the following symbols specify:
a.
All applicable codes and standards need to be followed in the installation of this product.
b.
For I/O wiring (discrete), use the following wire type or equivalent: Belden 9918, 18 AWG
or larger.
Warning: Consult user documentation
.
Warning: Electrical Shock Hazard.
WARNING: EXPLOSION HAZARD
–
Do not disconnect equipment unless power has been
switched off or the area is known to be non-hazardous.
WARNING: To avoid the risk of electric shock or burns, always connect the safety (or earth)
ground before making any other connections.
WARNING: To reduce the risk of fire, electrical shock, or physical injury it is strongly
recommended to fuse the voltage measurement inputs. Be sure to locate fuses as close to the
source as possible.
WARNING: Replace fuse with the same type and rating to provide protection against risk of fire
and shock hazards.
WARNING: In the event of repeated failure, do not replace the fuse again as a repeated failure
indicates a defective condition that will not clear by replacing the fuse.
WARNING: EXPLOSION HAZARD
–
Substitution of components may impair suitability for Class
I, Division 2.
WARNING: The USB parts are for operational maintenance only. Do not leave permanently
connected unless area is known to be non-hazardous.
WARNING: EXPLOSION HAZARD - BATTERIES MUST ONLY BE CHANGED IN AN AREA KNOWN
TO BE NON-HAZARDOUS.
WARNING: Battery May Explode If Mistreated. Do Not Recharge, Disassemble or Dispose Of In
Fire.
WARNING: Only qualified electrical personnel familiar with the construction and operation of
this equipment and the hazards involved should install, adjust, operate, or service this
equipment. Read and understand this manual and other applicable manuals in their entirety
before proceeding. Failure to observe this precaution could result in severe bodily injury or
loss of life.