beautypg.com

Spectrum Controls 1756sc-IF8u User Manual

Page 23

background image

Chapter 2: Installing And Wiring Your Module

11

Preventing Electrostatic Discharge

This module is sensitive to electrostatic discharge.

A

A

A

A

ATTENTION:

TTENTION:

TTENTION:

TTENTION:

TTENTION: Electrostatic discharge can damage integrated

circuits or semiconductors if you touch backplane connector
pins. Follow these guidelines when you handle the module:

· Touch a grounded object to discharge static potential
· Wear an approved wrist-strap grounding device
· Do not touch the backplane connector or connector pins
· Do not touch circuit components inside the module
· If available, use a static-safe work station
· When not in use, keep the module in its static-shield box

Removal and Insertion Under Power

These modules are designed to be installed or removed while chassis
power is applied.

A

A

A

A

ATTENTION:

TTENTION:

TTENTION:

TTENTION:

TTENTION: When you insert or remove a module while

backplane power is applied, an electrical arc may occur. An
electrical arc can cause personal injury or property damage
by:

· sending an erroneous signal to your system’s field devices
causing unintended machine motion or loss of process
control.

· causing an explosion in a hazardous environment.

Repeated electrical arcing causes excessive wear to contacts
on both the module and its mating connectors. Worn contacts
may create electrical resistance that can affect module
operation.

Compliance to European Union Directives
If this product bears the CE marking, it is approved for installation within
the European Union and EEA regions. It has been designed and tested to
meet the following directives.

EMC Directive

This product is tested to meet Council Directive 89/336/EEC
Electromagnetic Compatibility (EMC) and the following standards, in
whole or in part, documented in a technical construction file:

!

!