Spectrum Controls 1756sc-OF8H Series A - Manual (Page 144)

130 ControlLogix ™ HART Analog Modules
Standing Clear Of Machinery – When troubleshooting a problem with
any ControlLogix system, have all personnel remain clear of machinery.
The problem may be intermittent, and the machine may move
unexpectedly. Have someone ready to operate an emergency stop switch.
CAUTION
POSSIBLE EQUIPMENT OPERATION
Never reach into a machine to actuate a switch.
Also, remove all electrical power at the main power
disconnect switches before checking electrical
connections or inputs/outputs causing machine
motion.
Failure to observe these precautions can cause personal injury or equipment
damage.
Safety Circuits – Circuits installed on machinery for safety reasons (like
over-travel limit switches, stop push-buttons, and interlocks) should always
be hard-wired to the master control relay. These circuits should also be
wired in series so that when any one circuit opens, the master control
relay is de-energized, thereby removing power. Never modify these
circuits to defeat their function. Serious injury or equipment damage may
result.
WARNING
EXPLOSION HAZARD
SUBSTITUTION OF COMPONENTS MAY IMPAIR
SUITABILITY FOR CLASSI DIVISION2.
WARNING
EXPLOSION HAZARD
DO NOT DISCONNECT EQUIPMENT UNLESS POWER
HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN
TO BE NON-HAZARDOUS
NO NO NO NO NOTE: TE: TE: TE: TE: THIS EQUIPMENT IS SUITABLE FOR USE IN
CLASSIIIII, DIVISION 2, GROUPS A, B, C, AND D OR
NON-HAZARDOUS LOCATIONS ONLY.
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