User Manual

ioThinx 4500 (45M) Module Series Preface
1-3
Safety Precautions
Observe the following safety precautions when installing or using the devices discussed in this document:
DANGER
Never work on the
device while the power source is switched on! Disconnect all power sources to the devic
e
before
performing any installation, repair, or maintenance work.
DANGER
To
avoid causing electrical arcs, be sure that all power sources have been disconnected before removing or
replac
ing components. Electrical arcs can cause explosions in areas that contain flammable substances.
This
warning applies when:
•
Connecting or disconnecting the removable terminal block.
•
Connect or disconnecting the device from a field-site power source.
WARNING
Devices
discussed in this document are sensitive to electrostatic discharge, which can cause
internal damage
to
and/or affect normal operation of the devices. Observe the following precautions when handling a device:
•
Before touching the device, touch a grounded object with your finger to discharge static electricity.
•
Wear an approved grounding wristband.
•
Do not touch connectors or pins on component boards.
•
Do not touch circuit components inside the equipment.
•
Use a static-safe workstation, if available.
•
Store the device in appropriate static-safe packaging when not in use.
WARNING
Check the voltage
supplied by the power source.
Make sure the voltage provided by the power source matches
the
voltage required by the device.
WARNING
Check the voltage or current of
the sensors or loads. Make sure the voltage and/or current indicated on the
sensors or loads corresponds to the specification
s of your 45M module before you connect the device.
WARNING
Connect
your device to an earthed ground.
CAUTION
Do not use the device if the device itself is already damaged. Replace defective or damaged device
s
to ensure
th
at your devices function properly.