Part Number 12762 Rev 1.1 | April 30, 2014 PRECAUTIONS
Safety Precautions
6 NETWORK CONTROLLER 3E & 6E MOUNTING AND WIRING GUIDE |
Precautions
This document uses the following warning and caution conventions:
Caution
Cautions remind the reader to be careful. They alert readers to situations
where there is a chance that the reader might perform an action that cannot
be undone, might receive unexpected results, or might lose data. Cautions
contain an explanation of why the action is potentially problematic.
Warning Warnings alert the reader to proceed with extreme care in situations
where there is a chance that the reader might do something that can
result in personal injury or equipment damage. Warnings contain an
explanation of why the action is potentially dangerous.
Safety Precautions
The following are warnings relating to the installation and start-up of the controller.
Be sure to heed these warnings to prevent personal injury or equipment damage.
Warning • Depending on power module used, the circuit powering the con-
troller is 120–240Vac at 50/60 Hz (if a NPB-PWR-UN), 24Vac at
50/60 Hz or 24Vdc (if a NPB-PWR), or from 100–240Vac at 50/60
Hz (if a WPM-XXX). Disconnect power before installation or servic-
ing to prevent electrical shock or equipment damage.
• Make all connections in accordance with national and local electri-
cal codes. Use copper conductors only.
• To reduce the risk of fire or electrical shock, install in a controlled
environment relatively free of contaminants.
• This device is only intended for use as a monitoring and control
device. To prevent data loss or equipment damage, do not use it for
any other purpose.
Static Discharge Precautions
Static charges produce voltages high enough to damage electronic components. The
controller’s microprocessors and associated circuitry are sensitive to static discharge.
Follow these precautions when installing, servicing, or operating the system:
Caution • Work in a static-free area.
• Discharge any static electricity you may have accumulated. Discharge
static electricity by touching a known, securely grounded object.
• Do not handle printed circuit boards (PCBs) without proper protection
against static discharge. Use a wrist strap when handling PCBs. The
wrist strap clamp must be secured to earth ground.
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