Omron E5GC User Manual page 7

Safety Precautions
Minor injury due to electric shock may occasionally occur.
Do not touch the terminals while power is being supplied.
Electric shock, fire, or malfunction may occasionally occur.
Do not allow metal objects, conductors, cuttings from installation
work, moisture, or other foreign matter to enter the Digital Controller,
the Setup Tool ports, or between the pins on the connectors on the
Setup Tool cable.
Attach the cover to the front-panel Setup Tool port whenever you are
not using it to prevent foreign objects from entering the port.
Minor injury from explosion may occasionally occur.
Do not use the product where subject to flammable or explosive gas.
Fire may occasionally occur.
Do not allow dirt or other foreign objects to enter a Setup Tool port,
or between the pins on the connectors on the Setup Tool cable.
Minor electric shock, fire, or malfunction may occasionally occur.
Never disassemble, modify, or repair the product or touch any of the
internal parts.
CAUTION - Risk of Fire and Electric Shock
(a) This product is UL listed as Open Type Process Control
Equipment. It must be mounted in an enclosure that does not
allow fire to escape externally.
(b) More than one disconnect switch may be required to
de-energize the equipment before servicing.
(c) Signal inputs are SELV, limited energy.
(d) Caution: To reduce the risk of fire or electric shock, do not
interconnect the outputs of different Class 2 circuits.
If the output relays are used past their life expectancy, contact fusing
or burning may occasionally occur.
Always consider the application conditions and use the output relays
within their rated load and electrical life expectancy. The life
expectancy of output relays varies considerably with the output load
and switching conditions.
*1 An SELV (separated extra-low voltage) system is one with a power supply that has double or reinforced
insulation between the primary and the secondary circuits and has an output voltage of 30 V r.m.s. max.
and 42.4 V peak max. or 60 VDC max.
*2 A class 2 circuit is one tested and certified by UL as having the current and voltage of the secondary output
restricted to specific levels.
E5@C Digital Temperature Controllers User's Manual (H174)
CAUTION
*1
*2
Safety Precautions
5