Chapter 2
Installation 2-1
© 2012 HMS Industrial Networks AB
Doc.Id. HMSI-168-25
Installation
Installation and Operation Requirements
•Power, input and output (I/O) wiring must be in accordance with Class 1, Divi-
sion 2 wiring methods - article 501-4(b) of the National Electric Code,
NFPA 70 and in accordance with local codes.
•
Warning - Explosion Hazard
- Substitution of components may impair suitabil-
ity for Class 1, Division 2.
•
Warning - Explosion Hazard
- When in hazardous locations turn off power
before replacing or wiring modules.
•
Warning - Explosion Hazard
- Do not disconnect equipment unless power has
been switched off or the area is known to be nonhazardous.
•Terminal tightening torque must be between 5-7 lbs-in (0.5-0.8 Nm).
•For use in Class 2 circuits only.
•Suitable for surrounding temperature of 65 degrees C maximum.
•Use 60/75 C copper wire only.