Chapter 7 Maintaining Your Module And Ensuring Safety; Section 7.1 Preventive Maintenance; Section 7.2 Safety Considerations - Spectrum Controls SLC 500 User Manual

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Read this chapter to familiarize yourself with:
The National Fire Protection Association (NFPA) recommends maintenance
procedures for electrical equipment. Refer to article 70B of the NFPA for general
safety-related work practices.
Section 7.1
Preventive Maintenance
The printed circuit boards of your module must be protected from dirt, oil,
moisture, and other airborne contaminants. To protect these boards, install the
SLC 500 system in an enclosure suitable for its operating environment. Keep the
interior of the enclosure clean, and whenever possible, keep the enclosure door
closed. Also, regularly inspect the terminal connections for tightness. Loose
connections may cause a malfunctioning of the SLC system or damage to the
components.
POSSIBILITY OF LOOSE CONNECTIONS.
WARNING
Before inspecting connections, always ensure that incoming power is off.
Failure to observe this precaution may cause personal injury and damage
to equipment.
Section 7.2
Safety Considerations
Safety is always the most important consideration. Actively think about the
safety of yourself and others, as well as the condition of your equipment. The
following are some things to consider:
Indicator Lights – When the module status LED on your module is illuminated,
your module is receiving power.
Activating Devices When Troubleshooting – Never reach into a machine to
activate a device; the machine may move unexpectedly. Use a wooden stick.
Standing Clear Of Machinery – When troubleshooting a problem with any
SLC 500 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.
Chapter 7
Maintaining your Module
and Ensuring Safety
Preventive maintenance
Safety considerations
User's Manual Pub. 0300266-04 Rev. A

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