Spectrum Controls 1746sc-CTR4 - Manual (Page 12)

12
ControlLogix ™ Counter Module
The following documents contain information that may help you as you
install and wire your module:
• National Electrical Code, published by the National Fire Protection
Association of Boston, MA
• IEEE Standard 518-1977, Guide for the Installation of Electrical
Equipment to Minimize Electrical Noise Inputs to Controllers from
External Sources
• IEEE Standard 142-1982, Recommended Practices for Grounding of
Industrial and Commercial Power Systems
• Noise Reduction Techniques in Electronic Systems, by Henry W. Ott;
published by Wiley-Interscience of New York in 1976
Avoiding Electrostatic
Damage
Guard against electrostatic damage by observing the following
precautions:
CAUTION
ELECTROSTATICALLY SENSITIVE COMPONENTS
• Before handling the module, touch a grounded object to
rid yourself of electrostatic charge.
• When handling the module, wear an approved wrist strap
grounding device.
• Handle the module from the front, away from the
backplane connector. Do not touch backplane
connector pins.
• Keep the module in its static-shield container when not
in use or during shipment.
Failure to observe these precautions can degrade the module’s
performance or cause permanent damage.
!