Installation And Wiring - Spectrum Controls SLC 500 User Manual

Counter/flowmeter input module
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NOTE
NOTE
WARNING
User's Manual Pub. 0300181-07 Rev. A

Installation and Wiring

This chapter will cover:
Avoiding electrostatic damage.
Determining power requirements.
Selecting a rack slot.
Inserting your module into the rack.
Wiring your module.
Although your module has a jumper on its printed circuit board, this
jumper is for the manufacturer's use only. Your module was calibrated by
the manufacturer, so no further calibration is required.
For UL and CUL compliance, power and input/output (I/O) wiring must
be in accordance with Class I, Division 2, wiring methods [Article 501-4
(b) of the National Electrical Code , NFPA 70] and in accordance with the
authority having jurisdiction. Also, you must observe the warnings shown
below. Failure to observe these warnings can cause personal injury.
EXPLOSION HAZARD
Substitution of components may impair suitability for Class I,
Division 2.
Do not replace components or disconnect equipment unless power
has been switched off or the area is known to be non-hazardous.
Touch a grounded object to discharge static potential.
Do not connect or disconnect components unless power has been
switched off or the area is known to be non-hazardous.
This product must be installed in an IP54 rated enclosure.
All wiring must comply with N.E.C. article 501-4(b).
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

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